Quetiapine

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Quetiapine API Reference standards and its EP Impurities, USP Impurities, non pharmacopeial Impurities, listed below & also offered custom synthesis for unknown Impurities. If require any contact info@drjcrbio.com, sales@drjcrbio.com

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    Product Name : Nitroso aryl piperazine quetiapine ; 11-(4-nitrosopiperazin-1-yl)dibenzo[b,f][1,4]thiazepine

    Code: JCQTP-36
    CAS: NA
    Chemical Formula: C17H16N4OS
    Molecular Weight: 324.40
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application: Nitroso aryl piperazine quetiapine ; 11-(4-nitrosopiperazin-1-yl)dibenzo[b,f][1,4]thiazepine  is useful as reference Impurity standard.
    Nitroso aryl piperazine quetiapine ; 11-(4-nitrosopiperazin-1-yl)dibenzo[b,f][1,4]thiazepine
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    Product Name : Quetiapine ;QUE1 (Phenyl-2-(phenylthio)phenyl carbamate);N-[2-(Phenylthio)phenyl]carbamic Acid Phenyl Ester |111974-73-3

    Code: JCQTP-35
    CAS: 111974-73-3
    Chemical Formula: C19H15NO2S
    Molecular Weight: 321-39
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application: Quetiapine ;QUE1 (Phenyl-2-(phenylthio)phenyl carbamate);N-[2-(Phenylthio)phenyl]carbamic Acid Phenyl Ester |111974-73-3  is useful as reference Impurity standard.
    Quetiapine ;QUE1 (Phenyl-2-(phenylthio)phenyl carbamate);N-[2-(Phenylthio)phenyl]carbamic Acid Phenyl Ester |111974-73-3
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    Product Name : Quetiapine Sulfone (HCl Salt) ;  2-[2-[4-(5,5-Dioxidodibenzo[b,f][1,4]thiazepin-11-yl)-1-piperazinyl] ethoxy] ethanol HClQuetiapine Sulfone (HCl Salt) ;  2-[2-[4-(5,5-Dioxidodibenzo[b,f][1,4]thiazepin-11-yl)-1-piperazinyl] ethoxy] ethanol HCl |  329216-65-1 

    Code: JCQTP-34
    CAS: 329216-65-1
    Chemical Formula: C21H26ClN3O4S
    Molecular Weight: 451.97
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application:Quetiapine Sulfone (HCl Salt) ;  2-[2-[4-(5,5-Dioxidodibenzo[b,f][1,4]thiazepin-11-yl)-1-piperazinyl] ethoxy] ethanol HClQuetiapine Sulfone (HCl Salt) ;  2-[2-[4-(5,5-Dioxidodibenzo[b,f][1,4]thiazepin-11-yl)-1-piperazinyl] ethoxy] ethanol HCl |  329216-65-1  is useful as reference Impurity standard
    Quetiapine Sulfone (HCl Salt) ;   2-[2-[4-(5,5-Dioxidodibenzo[b,f][1,4]thiazepin-11-yl)-1-piperazinyl] ethoxy] ethanol HClQuetiapine Sulfone (HCl Salt) ;   2-[2-[4-(5,5-Dioxidodibenzo[b,f][1,4]thiazepin-11-yl)-1-piperazinyl] ethoxy] ethanol HCl |  329216-65-1 
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    Product Name : Quetiapine HEEP Impurity ; 1-[2-(2-Hydroxyethoxy)ethyl]piperazine | 13349-82-1 

    Code: JCQTP-33
    CAS: 13349-82-1
    Chemical Formula:  C8H18N2O2
    Molecular Weight: 174.24
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application:Quetiapine HEEP Impurity ; 1-[2-(2-Hydroxyethoxy)ethyl]piperazine | 13349-82-1  is useful as reference Impurity standard
    Quetiapine HEEP Impurity ;  1-[2-(2-Hydroxyethoxy)ethyl]piperazine | 13349-82-1 
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    Product Name : Quetiapine Fumarate ;Quetiapine Hemifumarate ; 2-[2-(4-dibenzo[b,f][1,4]thiazepin-11-yl-1-piperazinyl)ethoxy]ethanol hemifumarate ; 2-[2-(4-Dibenzo [b,f] [1,4]thiazepin-11-yl-1-piperazinyl)ethoxy]-ethanol fumarate (2:1) (salt) |  111974-72-2

    Code: JCQTP-32
    CAS: 111974-72-2
    Chemical Formula: 
    Molecular Weight: 883.1
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application:Quetiapine Fumarate ;Quetiapine Hemifumarate ; 2-[2-(4-dibenzo[b,f][1,4]thiazepin-11-yl-1-piperazinyl)ethoxy]ethanol hemifumarate ; 2-[2-(4-Dibenzo [b,f] [1,4]thiazepin-11-yl-1-piperazinyl)ethoxy]-ethanol fumarate (2:1) (salt) |  111974-72-2  is useful as reference Impurity standard
    Quetiapine Fumarate ;Quetiapine Hemifumarate ; 2-[2-(4-dibenzo[b,f][1,4]thiazepin-11-yl-1-piperazinyl)ethoxy]ethanol hemifumarate ; 2-[2-(4-Dibenzo [b,f] [1,4]thiazepin-11-yl-1-piperazinyl)ethoxy]-ethanol fumarate (2:1) (salt) |  111974-72-2
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    Product Name : Quetiapine Ethyl Ether (Fumarate) ;2-{2-[2-(4-Dibenzo [b, f] [1, 4] thiazepin-11-yl-piperazin-1-yl)-ethoxy]-ethoxy}-ethane fumarate salt ; Ethyl Quetiapine Fumarate Salt | 1011758-06-7

    Code:  JCQTP-31
    CAS: 1011758-06-7
    Chemical Formula:  C27H33N3O6S
    Molecular Weight: 527.63
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application:Quetiapine Ethyl Ether (Fumarate) ;<span style=""font-size:" 12px;"="">2-{2-[2-(4-Dibenzo [b, f] [1, 4] thiazepin-11-yl-piperazin-1-yl)-ethoxy]-ethoxy}-ethane fumarate salt ; Ethyl Quetiapine Fumarate Salt | 1011758-06-7  is useful as reference Impurity standard
    Quetiapine Ethyl Ether (Fumarate) ;2-{2-[2-(4-Dibenzo [b, f] [1, 4] thiazepin-11-yl-piperazin-1-yl)-ethoxy]-ethoxy}-ethane fumarate salt ; Ethyl Quetiapine Fumarate Salt | 1011758-06-7
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    Product Name : Quetiapine EP Impurity W ;  11-(2-(2-(4-(Dibenzo[b,f][1,4]thiazepin-11-yl)piperazin-1-yl)ethoxy)ethoxy) dibenzo[b,f][1,4]thiazepine | 1800608-95-0

    Code:  JCQTP-30
    CAS: 1800608-95-0
    Chemical Formula: C34H32N4O2S2
    Molecular Weight: 592.77
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application:Quetiapine EP Impurity W ;  11-(2-(2-(4-(Dibenzo[b,f][1,4]thiazepin-11-yl)piperazin-1-yl)ethoxy)ethoxy) dibenzo[b,f][1,4]thiazepine | 1800608-95-0  is useful as reference Impurity standard
    Quetiapine EP Impurity W ;  11-(2-(2-(4-(Dibenzo[b,f][1,4]thiazepin-11-yl)piperazin-1-yl)ethoxy)ethoxy) dibenzo[b,f][1,4]thiazepine | 1800608-95-0
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    Product Name : Quetiapine EP Impurity V ;  2-(2-(4-(Phenanthridin-6-yl)piperazin-1-yl)ethoxy)ethanol

    Code:  JCQTP-29
    CAS: 
    Chemical Formula: C21H25N3O2
    Molecular Weight: 351.44
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application:Quetiapine EP Impurity V ;  2-(2-(4-(Phenanthridin-6-yl)piperazin-1-yl)ethoxy)ethanol  is useful as reference Impurity standard
    Quetiapine EP Impurity V ;  2-(2-(4-(Phenanthridin-6-yl)piperazin-1-yl)ethoxy)ethanol
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    Product Name : Quetiapine EP Impurity U ; Dibenzo[b,f][1,4]thiazepin-11-amine | 5786-26-5

    Code: JCQTP-28
    CAS: 5786-26-5
    Chemical Formula:  C13H10N2S
    Molecular Weight: 226.3
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application:Quetiapine EP Impurity U ; Dibenzo[b,f][1,4]thiazepin-11-amine | 5786-26-5  is useful as reference Impurity standard
    Quetiapine EP Impurity U ; Dibenzo[b,f][1,4]thiazepin-11-amine | 5786-26-5
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    Product Name : Quetiapine EP Impurity T ;  4-(Dibenzo[b,f][1,4]thiazepin-11-yl)morpholine | 5747-46-6 

    Code:  JCQTP-27
    CAS: 5747-46-6
    Chemical Formula: C17H16N2OS
    Molecular Weight: 296.39
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application:Quetiapine EP Impurity T ;  4-(Dibenzo[b,f][1,4]thiazepin-11-yl)morpholine | 5747-46-6   is useful as reference Impurity standard
    Quetiapine EP Impurity T ;  4-(Dibenzo[b,f][1,4]thiazepin-11-yl)morpholine | 5747-46-6 
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    Product Name : Quetiapine EP Impurity S ; Quetiapine Sulfoxide (HCl Salt) ; 2-[2-[4-(5-Oxidodibenzo[b,f][1,4]thiazepin-11-yl)-1-piperazinyl]ethoxy]ethanol HCl | 329216-63-9

    Code:  JCQTP-26
    CAS: 329216-63-9
    Chemical Formula: C21H25N3O3S
    Molecular Weight: 435.97
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application: Quetiapine EP Impurity S ; Quetiapine Sulfoxide (HCl Salt) ; 2-[2-[4-(5-Oxidodibenzo[b,f][1,4]thiazepin-11-yl)-1-piperazinyl]ethoxy]ethanol HCl | 329216-63-9 is useful as reference Impurity standard
    Quetiapine EP Impurity S ; Quetiapine Sulfoxide (HCl Salt)  ; 2-[2-[4-(5-Oxidodibenzo[b,f][1,4]thiazepin-11-yl)-1-piperazinyl]ethoxy]ethanol HCl | 329216-63-9
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    Product Name : Quetiapine EP Impurity R ; Fumaric Acid Monoethyl Ester ; (E)-4-Ethoxy-4-oxobut-2-enoic acid | 2459-05-4 

    Code:  JCQTP-25
    CAS: 2459-05-4
    Chemical Formula: C6H8O4
    Molecular Weight: 144.13
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application:Quetiapine EP Impurity R ; Fumaric Acid Monoethyl Ester ; (E)-4-Ethoxy-4-oxobut-2-enoic acid | 2459-05-4  is useful as reference Impurity standard
    Quetiapine EP Impurity R ; Fumaric Acid Monoethyl Ester ; (E)-4-Ethoxy-4-oxobut-2-enoic acid | 2459-05-4 
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    Product Name : Quetiapine EP Impurity Q ; 4-(Dibenzo[b,f][1,4]thiazepin-11-yl)-1,1-bis(2-(2-hydroxyethoxy)ethyl) piperazin-1-ium

    Code: JCQTP-24
    CAS: NA
    Chemical Formula: C25H34N3O4S
    Molecular Weight: 472.62
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application: Quetiapine EP Impurity Q ; 4-(Dibenzo[b,f][1,4]thiazepin-11-yl)-1,1-bis(2-(2-hydroxyethoxy)ethyl) piperazin-1-iumis useful as reference Impurity standard
    Quetiapine EP Impurity Q ; 4-(Dibenzo[b,f][1,4]thiazepin-11-yl)-1,1-bis(2-(2-hydroxyethoxy)ethyl) piperazin-1-ium
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    Product Name : Quetiapine EP Impurity P ;Quetiapine N-Ethyl Impurity ; 11-(4-Ethylpiperazin-1-yl)dibenzo[b,f][1,4]thiazepine hydrochloride | 1011758-03-4 

    Code:  JCQTP-23
    CAS: 1011758-03-4
    Chemical Formula: C19H22ClN3S
    Molecular Weight: 359.72
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application:Quetiapine EP Impurity P ;Quetiapine N-Ethyl Impurity ; 11-(4-Ethylpiperazin-1-yl)dibenzo[b,f][1,4]thiazepine hydrochloride | 1011758-03-4  is useful as reference Impurity standard
    Quetiapine EP Impurity P ;Quetiapine N-Ethyl Impurity ; 11-(4-Ethylpiperazin-1-yl)dibenzo[b,f][1,4]thiazepine hydrochloride | 1011758-03-4 
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    Product Name : Quetiapine EP Impurity O ; Quetiapine O-Trityl Impurity ; 11-(4-(2-(2-(Trityloxy)ethoxy)ethyl)piperazin-1-yl)dibenzo[b,f][1,4]thiazepine | 844639-06-1 

    Code: JCQTP-22
    CAS: 844639-06-1
    Chemical Formula: C40H39N3O2S
    Molecular Weight: 625.82
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application:Quetiapine EP Impurity O ; Quetiapine O-Trityl Impurity ; 11-(4-(2-(2-(Trityloxy)ethoxy)ethyl)piperazin-1-yl)dibenzo[b,f][1,4]thiazepine | 844639-06-1   is useful as reference Impurity standard
    Quetiapine EP Impurity O ; Quetiapine O-Trityl Impurity ; 11-(4-(2-(2-(Trityloxy)ethoxy)ethyl)piperazin-1-yl)dibenzo[b,f][1,4]thiazepine  | 844639-06-1 
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    Product Name : Quetiapine EP Impurity N ;Quetiapine Dipiperazine Diether Impurity ; 4-[2-[2-(4-Dibenzo [b,f] [1,4]thiazepin-11-yl-1-piperazinyl)ethoxy]ethyl]-1-[(2-hydroxyethoxyl)ethyl]-piperazine | 1800291-86-4

    Code: JCQTP-21
    CAS: 1800291-86-4
    Chemical Formula: C27H37N5O2S
    Molecular Weight: 495.68
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application:Quetiapine EP Impurity N ;Quetiapine Dipiperazine Diether Impurity ; 4-[2-[2-(4-Dibenzo [b,f] [1,4]thiazepin-11-yl-1-piperazinyl)ethoxy]ethyl]-1-[(2-hydroxyethoxyl)ethyl]-piperazine | 1800291-86-4  is useful as reference Impurity standard
    Quetiapine EP Impurity N ;Quetiapine Dipiperazine Diether Impurity ; 4-[2-[2-(4-Dibenzo [b,f] [1,4]thiazepin-11-yl-1-piperazinyl)ethoxy]ethyl]-1-[(2-hydroxyethoxyl)ethyl]-piperazine  | 1800291-86-4
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    Product Name : Quetiapine EP Impurity L ;9-Chloro Quetiapine ; 2-(2-(4-(9-Chlorodibenzo[b,f][1,4]thiazepin-11-yl)piperazin-1-yl)ethoxy) ethanol | 1371638-11-7

    Code: JCQTP-20
    CAS: 1371638-11-7
    Chemical Formula: C21H24ClN3O2S
    Molecular Weight: 417.95
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application:Quetiapine EP Impurity L ;9-Chloro Quetiapine ; 2-(2-(4-(9-Chlorodibenzo[b,f][1,4]thiazepin-11-yl)piperazin-1-yl)ethoxy) ethanol | 1371638-11-7  is useful as reference Impurity standard
    Quetiapine EP Impurity L ;9-Chloro Quetiapine ; 2-(2-(4-(9-Chlorodibenzo[b,f][1,4]thiazepin-11-yl)piperazin-1-yl)ethoxy) ethanol | 1371638-11-7
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    Product Name : Quetiapine EP Impurity K ; N-(2-((2-(4-(2-(2-Hydroxyethoxy)ethyl)piperazine-1-carbonyl)phenyl) thio) phenyl)acetamide HCl | 1371638-10-6

    Code: JCQTP-19
    CAS: 1371638-10-6
    Chemical Formula: C23H30ClN3O4S
    Molecular Weight: 480.02
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application:Quetiapine EP Impurity K ; N-(2-((2-(4-(2-(2-Hydroxyethoxy)ethyl)piperazine-1-carbonyl)phenyl) thio) phenyl)acetamide HCl | 1371638-10-6 is useful as reference Impurity standard
    Quetiapine EP Impurity K ; N-(2-((2-(4-(2-(2-Hydroxyethoxy)ethyl)piperazine-1-carbonyl)phenyl) thio) phenyl)acetamide HCl  | 1371638-10-6
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    Product Name : Quetiapine EP Impurity J ; Quetiapine Triether Alcohol ; Quetiapine Hydroxyethyloxyethyl Ether ; 2-(2-{2-[2-(4-Dibenzo [b, f] [1, 4] thiazepin-11-yl-piperazin-1-yl)-ethoxy]-ethoxy}-ethoxy)-ethanol ;Quetiapine EP Impurity J | 1356906-17-6

    Code: JCQTP-18
    CAS:  1356906-17-6
    Chemical Formula: C25H33N3O4S
    Molecular Weight: 471.61
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application: Quetiapine EP Impurity J ; Quetiapine Triether Alcohol ; Quetiapine Hydroxyethyloxyethyl Ether ; 2-(2-{2-[2-(4-Dibenzo [b, f] [1, 4] thiazepin-11-yl-piperazin-1-yl)-ethoxy]-ethoxy}-ethoxy)-ethanol ;Quetiapine EP Impurity J | 1356906-17-6  is useful as reference Impurity standard
    Quetiapine EP Impurity J ; Quetiapine Triether Alcohol ; Quetiapine Hydroxyethyloxyethyl Ether ; 2-(2-{2-[2-(4-Dibenzo [b, f] [1, 4] thiazepin-11-yl-piperazin-1-yl)-ethoxy]-ethoxy}-ethoxy)-ethanol ;Quetiapine EP Impurity J | 1356906-17-6
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    Product Name : Quetiapine EP Impurity I ;Quetiapine Desethoxy Impurity (USP) ; Quetiapine Alcohol Impurity ; Quetiapine Ethanol Impurity ; 11-[4-(2-Hydroxyethyl)-1-piperazinyl]-dibenzo[b,f][1,4]thiazepine |  329218-14-6

    Code: JCQTP-17
    CAS: 329216-67-3 (base); 329218-14-6 (2HCl)
    Chemical Formula: C19H21N3OS
    Molecular Weight: 339.45
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application:Quetiapine EP Impurity I ;Quetiapine Desethoxy Impurity (USP) ; Quetiapine Alcohol Impurity ; Quetiapine Ethanol Impurity ; 11-[4-(2-Hydroxyethyl)-1-piperazinyl]-dibenzo[b,f][1,4]thiazepine; 329216-67-3 (base); 329218-14-6 (2HCl)   is useful as reference Impurity standard
    Quetiapine EP Impurity I ;Quetiapine Desethoxy Impurity (USP) ; Quetiapine Alcohol Impurity ; Quetiapine Ethanol Impurity ; 11-[4-(2-Hydroxyethyl)-1-piperazinyl]-dibenzo[b,f][1,4]thiazepine |  329218-14-6
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    Product Name : Quetiapine EP Impurity H ;Quetiapine N-Oxide ; 2-[2-(4-Dibenzo[b,f][1,4]thiazepin-11-yl-1-piperazinyl)ethoxy]ethanol N-oxide | 1076199-40-0 

    Code: JCQTP-16
    CAS: 1076199-40-0
    Chemical Formula: C21H25N3O3S
    Molecular Weight: 399.51
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application:Quetiapine EP Impurity H ;Quetiapine N-Oxide ; 2-[2-(4-Dibenzo[b,f][1,4]thiazepin-11-yl-1-piperazinyl)ethoxy]ethanol N-oxide | 1076199-40-0   is useful as reference Impurity standard
    Quetiapine EP Impurity H ;Quetiapine N-Oxide ; 2-[2-(4-Dibenzo[b,f][1,4]thiazepin-11-yl-1-piperazinyl)ethoxy]ethanol N-oxide | 1076199-40-0 
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    Product Name : Quetiapine EP Impurity G ;Quetiapine DBTO Metabolite ; Quetiapine Lactam ; Quetiapine USP Related Compound G ; Dibenzo[b,f][1,4]thiazepine-11(10-H)-one | 3159-07-7 

    Code:  JCQTP-15
    CAS:  3159-07-7
    Chemical Formula: C13H9NOS
    Molecular Weight: 227.28
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application: Quetiapine EP Impurity G ;Quetiapine DBTO Metabolite ; Quetiapine Lactam ; Quetiapine USP Related Compound G ; Dibenzo[b,f][1,4]thiazepine-11(10-H)-one | 3159-07-7  is useful as reference Impurity standard
    Quetiapine EP Impurity G ;Quetiapine DBTO Metabolite ; Quetiapine Lactam ; Quetiapine USP Related Compound G ; Dibenzo[b,f][1,4]thiazepine-11(10-H)-one | 3159-07-7 
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    Product Name : Quetiapine EP Impurity F ;  (2-((2-Aminophenyl)thio)phenyl)(4-(2-(2-hydroxyethoxy)ethyl)piperazin-1-yl)methanone | 848814-27-7 

    Code: JCQTP-14
    CAS: 848814-27-7
    Chemical Formula:  C21H27N3O3S
    Molecular Weight: 401.52
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application:Quetiapine EP Impurity F ;  (2-((2-Aminophenyl)thio)phenyl)(4-(2-(2-hydroxyethoxy)ethyl)piperazin-1-yl)methanone | 848814-27-7   is useful as reference Impurity standard
    Quetiapine EP Impurity F ;  (2-((2-Aminophenyl)thio)phenyl)(4-(2-(2-hydroxyethoxy)ethyl)piperazin-1-yl)methanone | 848814-27-7 
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    Product Name : Quetiapine EP Impurity E ;Quetiapine EP Impurity E ; Quetiapine bis-Ether ; 1,2-bis[2-(4-Dibenzo [b,f] [1,4]thiazepin-11-yl-1-piperazinyl)ethoxy]ethane tetrahydrochloride |  1371638-05-9

    Code: JCQTP-13
    CAS:  1371638-05-9
    Chemical Formula: C40H48Cl4N6O2S2
    Molecular Weight: 850.79
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application:Quetiapine EP Impurity E ;Quetiapine EP Impurity E ; Quetiapine bis-Ether ; 1,2-bis[2-(4-Dibenzo [b,f] [1,4]thiazepin-11-yl-1-piperazinyl)ethoxy]ethane tetrahydrochloride |  1371638-05-9 is useful as reference Impurity standard
    Quetiapine EP Impurity E ;Quetiapine EP Impurity E ; Quetiapine bis-Ether ; 1,2-bis[2-(4-Dibenzo [b,f] [1,4]thiazepin-11-yl-1-piperazinyl)ethoxy]ethane tetrahydrochloride |  1371638-05-9
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    Product Name : Quetiapine EP Impurity D ; Quetiapine Dimer Impurity ; Quetiapine Bis(dibenzothiazepinyl) piperazine Impurity (USP) ; 1,4-bis(Dibenzo[b,f][1,4]thiazepine-11-yl)piperazine ; 11,11′-(1,4-Piperazinediyl)-bis-dibenzo[b,f][1,4]thiazepine | 945668-94-0

    Code:  JCQTP-12
    CAS: 945668-94-0
    Chemical Formula: C30H24N4S2
    Molecular Weight: 504.67
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application:  Quetiapine EP Impurity D ; Quetiapine Dimer Impurity ; Quetiapine Bis(dibenzothiazepinyl) piperazine Impurity (USP) ; 1,4-bis(Dibenzo[b,f][1,4]thiazepine-11-yl)piperazine ; 11,11'-(1,4-Piperazinediyl)-bis-dibenzo[b,f][1,4]thiazepine | 945668-94-0  is useful as reference Impurity standard
    Quetiapine EP Impurity D ; Quetiapine Dimer Impurity ; Quetiapine Bis(dibenzothiazepinyl) piperazine Impurity (USP) ; 1,4-bis(Dibenzo[b,f][1,4]thiazepine-11-yl)piperazine ; 11,11'-(1,4-Piperazinediyl)-bis-dibenzo[b,f][1,4]thiazepine | 945668-94-0
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    Product Name : Quetiapine EP Impurity C ; 2-(2-(4-(Dibenzo[b,f][1,4]thiazepin-11-yl)piperazin-1-yl)ethoxy)ethyl 2-(4-(dibenzo[b,f][1,4]thiazepin-11-yl)piperazin-1-yl)acetate |  1798840-31-9

    Code: JCQTP-11
    CAS: 1798840-31-9
    Chemical Formula:  C40H42N6O3S2
    Molecular Weight: 718.93
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application:Quetiapine EP Impurity C ; 2-(2-(4-(Dibenzo[b,f][1,4]thiazepin-11-yl)piperazin-1-yl)ethoxy)ethyl 2-(4-(dibenzo[b,f][1,4]thiazepin-11-yl)piperazin-1-yl)acetate |  1798840-31-9  is useful as reference Impurity standard
    Quetiapine EP Impurity C  ; 2-(2-(4-(Dibenzo[b,f][1,4]thiazepin-11-yl)piperazin-1-yl)ethoxy)ethyl 2-(4-(dibenzo[b,f][1,4]thiazepin-11-yl)piperazin-1-yl)acetate |  1798840-31-9
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    Product Name : Quetiapine EP Impurity B ;Quetiapine DBTP Metabolite ; Quetiapine EP Impurity B ; Quetiapine USP Related Compound B ; Dibenzo[b,f][1,4]thiazepine-11-yl-piperazine dihydrochloride ; 11-Piperazin-1-yl-dibenzo[b,f][1,4]thiazepine Dihydrochloride (“DBTP”) |  111974-74-4 

    Code: JCQTP-10
    CAS: 111974-74-4
    Chemical Formula: C17H19Cl2N3S
    Molecular Weight: 368.32
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application:Quetiapine EP Impurity B ;Quetiapine DBTP Metabolite ; Quetiapine EP Impurity B ; Quetiapine USP Related Compound B ; Dibenzo[b,f][1,4]thiazepine-11-yl-piperazine dihydrochloride ; 11-Piperazin-1-yl-dibenzo[b,f][1,4]thiazepine Dihydrochloride ("DBTP") |  111974-74-4  is useful as reference Impurity standard
    Quetiapine EP Impurity B ;Quetiapine DBTP Metabolite ; Quetiapine EP Impurity B ; Quetiapine USP Related Compound B ; Dibenzo[b,f][1,4]thiazepine-11-yl-piperazine dihydrochloride ; 11-Piperazin-1-yl-dibenzo[b,f][1,4]thiazepine Dihydrochloride (
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    Product Name : Quetiapine EP Impurity A ;Quetiapine Acetate ; 2-[2-(4-Dibenzo [b,f] [1,4]thiazepin-11-yl-1-piperazinyl)ethoxy]-ethyl acetate | 844639-07-2 

    Code:  JCQTP-09
    CAS: 844639-07-2
    Chemical Formula:  C23H27N3O3S
    Molecular Weight: 425.54
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application: Quetiapine EP Impurity A ;Quetiapine Acetate ; 2-[2-(4-Dibenzo [b,f] [1,4]thiazepin-11-yl-1-piperazinyl)ethoxy]-ethyl acetate | 844639-07-2  is useful as reference Impurity standard
    Quetiapine EP Impurity A ;Quetiapine Acetate ; 2-[2-(4-Dibenzo [b,f] [1,4]thiazepin-11-yl-1-piperazinyl)ethoxy]-ethyl acetate | 844639-07-2 
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    Product Name : Quetiapine Dipiperazine Monoether Impurity ; 4-[2-[(4-Dibenzo [b,f] [1,4]thiazepin-11-yl-1-piperazinyl)]ethyl]-1-[(2-hydroxy ethoxyl)ethyl]-piperazine HCL

    Code: JCQTP-08
    CAS: NA
    Chemical Formula:  C27H38ClN5O2S
    Molecular Weight: 532.14
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application: Quetiapine Dipiperazine Monoether Impurity ; 4-[2-[(4-Dibenzo [b,f] [1,4]thiazepin-11-yl-1-piperazinyl)]ethyl]-1-[(2-hydroxy ethoxyl)ethyl]-piperazine HCL   is useful as reference Impurity standard
    Quetiapine Dipiperazine Monoether Impurity ;  4-[2-[(4-Dibenzo [b,f] [1,4]thiazepin-11-yl-1-piperazinyl)]ethyl]-1-[(2-hydroxy ethoxyl)ethyl]-piperazine HCL
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    Product Name : Quetiapine Diether Alcohol Impurity ; 2-{2-[2-(4-Dibenzo [b, f] [1, 4] thiazepin-11-yl-piperazin-1-yl)-ethoxy]-ethoxy}-ethanol HCl | 1356906-16-5

    Code: JCQTP-07
    CAS: 1356906-16-5
    Chemical Formula: C23H30ClN3O3S
    Molecular Weight: 464.02
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application: Quetiapine Diether Alcohol Impurity ; 2-{2-[2-(4-Dibenzo [b, f] [1, 4] thiazepin-11-yl-piperazin-1-yl)-ethoxy]-ethoxy}-ethanol HCl | 1356906-16-5  is useful as reference Impurity standard
    Quetiapine Diether Alcohol Impurity ; 2-{2-[2-(4-Dibenzo [b, f] [1, 4] thiazepin-11-yl-piperazin-1-yl)-ethoxy]-ethoxy}-ethanol HCl | 1356906-16-5
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    Product Name : Quetiapine DBTP N-Methyl Impurity ;11-(4-Methylpiperazin-1-yl)-dibenzo[b,f][1,4]thiazepine

    Code: JCQTP-06
    CAS: 
    Chemical Formula: C18H19N3S
    Molecular Weight: 309.43
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application: Quetiapine DBTP N-Methyl Impurity ;11-(4-Methylpiperazin-1-yl)-dibenzo[b,f][1,4]thiazepine  is useful as reference Impurity standard
    Quetiapine DBTP N-Methyl Impurity  ;11-(4-Methylpiperazin-1-yl)-dibenzo[b,f][1,4]thiazepine
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    Product Name : Quetiapine DBTP 7-Hydroxy Metabolite ;7-Hydroxy-N-des {[2-(2-hydroxy)ethoxy]ethyl} Quetiapine Dihydrochloride ; 11-(1-Piperazinyl)-dibenzo[b,f][1,4]thiazepin-7-ol dihydrochloride | 232597-73-8 

    Code: JCQTP-05
    CAS:  232597-73-8
    Chemical Formula: C17H19Cl2N3OS
    Molecular Weight: 384.32
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application:  Quetiapine DBTP 7-Hydroxy Metabolite ;7-Hydroxy-N-des {[2-(2-hydroxy)ethoxy]ethyl} Quetiapine Dihydrochloride ; 11-(1-Piperazinyl)-dibenzo[b,f][1,4]thiazepin-7-ol dihydrochloride | 232597-73-8  is useful as reference Impurity standard
    Quetiapine DBTP 7-Hydroxy Metabolite ;7-Hydroxy-N-des {[2-(2-hydroxy)ethoxy]ethyl} Quetiapine Dihydrochloride ; 11-(1-Piperazinyl)-dibenzo[b,f][1,4]thiazepin-7-ol dihydrochloride | 232597-73-8 
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    Product Name : Quetiapine DBTO Sulfone ; 5,5-Dioxidodibenzo[b,f][1,4]thiazepin-11-one

    Code: JCQTP-04
    CAS:
    Chemical Formula: C13H9NO3S
    Molecular Weight: 259.28
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application:Quetiapine DBTO Sulfone ; 5,5-Dioxidodibenzo[b,f][1,4]thiazepin-11-one  is useful as reference Impurity standard
    Quetiapine DBTO Sulfone ; 5,5-Dioxidodibenzo[b,f][1,4]thiazepin-11-one