Quetiapine
42 Results Found
Page 1 of 2
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
-
Free
Product Name : N,N`-Bis(hydroxyethoxyethyl)piperazine/14258-43-6
Code: JCQTP-41 CAS: 14258-43-6 Chemical Formula:C12H26N2O4 Molecular Weight:262.35 Category: Quetiapine Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: N,N`-Bis(hydroxyethoxyethyl)piperazine/14258-43-6 is useful as reference Impurity standard. -
Free
Product Name : Dibenzo[b,f][1,4]thiazepin-11(10H)-one 5-oxide ;Dibenzo[b,f][1,4]thiazepin-11(10H)-one, 5-oxide |20290-48-6
Code: JCQTP-41 CAS: 20290-48-6 Chemical Formula:C13H9NO2S Molecular Weight:243.28 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Dibenzo[b,f][1,4]thiazepin-11(10H)-one 5-oxide ;Dibenzo[b,f][1,4]thiazepin-11(10H)-one, 5-oxide |20290-48-6 is useful as reference Impurity standard. -
Free
Product Name : Quetiapine Related Compound B (USP);Dibenzo[b,f][1,4]thiazepine-11-yl-piperazine; Norquetiapine; N-desalkylquetiapine; 11-(Piperazin-1-yl)dibenzo[b,f][1,4]thiazepine;
Code: JCQTP-40 CAS: 5747-48-8 Chemical Formula:C17H17N3S Molecular Weight:295.40 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Quetiapine Related Compound B (USP);Dibenzo[b,f][1,4]thiazepine-11-yl-piperazine; Norquetiapine; N-desalkylquetiapine; 11-(Piperazin-1-yl)dibenzo[b,f][1,4]thiazepine; is useful as reference Impurity standard. -
Free
Product Name : 11-CHLORO DIBENZO[B,F][1,4]THIAZEPINE ;Dibenzo[b,f][1,4]thiazepine-11-yl-chloride |13745-86-3
Code: JCQTP-39 CAS: 13745-86-3 Chemical Formula:C13H8ClNS Molecular Weight:245.73 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 11-CHLORO DIBENZO[B,F][1,4]THIAZEPINE ;Dibenzo[b,f][1,4]thiazepine-11-yl-chloride |13745-86-3 is useful as reference Impurity standard. -
Free
Product Name : 11-(4-nitrosopiperazin-1-yl)dibenzo[b,f][1,4]thiazepine ;Nitroso compound of Quetiapine Impurity B; Nitroso aryl piperazine quetiapine
Code: JCQTP-38 CAS: NA Chemical Formula:C17H16N4OS Molecular Weight:324.4 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 11-(4-nitrosopiperazin-1-yl)dibenzo[b,f][1,4]thiazepine ;Nitroso compound of Quetiapine Impurity B; Nitroso aryl piperazine quetiapineis useful as reference Impurity standard. -
Free
Product Name : 10-nitrosodibenzo[bf][1,4]thiazepin-11(10H)-one
Code: JCQTP-37 CAS: 2101854-40-2 Chemical Formula:C13H8N2o2S Molecular Weight:256.3 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 10-nitrosodibenzo[bf][1,4]thiazepin-11(10H)-one is useful as reference Impurity standard. -
Free
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. -
Free
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. -
Free
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 -
Free
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 -
Free
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 -
Free
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 -
Free
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 -
Free
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 -
Free
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 -
Free
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 -
Free
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 -
Free
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 -
Free
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 -
Free
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 -
Free
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 -
Free
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 -
Free
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 -
Free
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 -
Free
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 -
Free
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 -
Free
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 -
Free
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 -
Free
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 -
Free
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 -
Free
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 -
Free
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 -
Free
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