Emtricitabin

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Emtricitabin 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 : EMTRICITABINE RACEMIC MIXTURE(INHOUSE) ; Emtricitabine Racemic Mixture; 4-amino-5-fluoro-1-[2-(hydroxymethyl)-1,3-oxathiolan- 5-yl]pyrimidin-2(1H)-one

    Code: JCEMT-25
    CAS: NA
    Chemical Formula:
    Molecular Weight:
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application: EMTRICITABINE RACEMIC MIXTURE(INHOUSE) ; Emtricitabine Racemic Mixture; 4-amino-5-fluoro-1-[2-(hydroxymethyl)-1,3-oxathiolan- 5-yl]pyrimidin-2(1H)-oneis useful as reference Impurity standard.
    EMTRICITABINE RACEMIC MIXTURE(INHOUSE) ; Emtricitabine Racemic Mixture; 4-amino-5-fluoro-1-[2-(hydroxymethyl)-1,3-oxathiolan- 5-yl]pyrimidin-2(1H)-one
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    Product Name : Emtricitabine Thioacetate ;  S-(((2R,5S)-5-(4-Amino-5-fluoro-2-oxopyrimidin-1(2H)-yl)-1,3-oxathiolan-2-yl)methyl) Ethanethioate

    Code: JCEMT-24
    CAS: 
    Chemical Formula: C10H12FN3O3S2
    Molecular Weight: 305.35
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application: Emtricitabine Thioacetate ;  S-(((2R,5S)-5-(4-Amino-5-fluoro-2-oxopyrimidin-1(2H)-yl)-1,3-oxathiolan-2-yl)methyl) Ethanethioateis useful as reference Impurity standard.
    Emtricitabine Thioacetate ;  S-(((2R,5S)-5-(4-Amino-5-fluoro-2-oxopyrimidin-1(2H)-yl)-1,3-oxathiolan-2-yl)methyl) Ethanethioate
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    Product Name : Emtricitabine Tenofovir Monosoproxil Dimer ; ((((((R)-1-(6-((((5-Fluoro-1-((2R,5S)-2-(hydroxymethyl)-1,3-oxathiolan-5-yl)-2-oxo-1,2-dihydropyrimidin-4-yl)amino)methyl)amino)-9H-purin-9-yl)propan-2-yl)oxy)methyl)(hydroxy)phosphoryl)oxy)methyl Isopropyl Carbonate

    Code: JCEMT-23
    CAS: NA
    Chemical Formula: C23H32FN8O10PS
    Molecular Weight: 662.58
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application:Emtricitabine Tenofovir Monosoproxil Dimer ; ((((((R)-1-(6-((((5-Fluoro-1-((2R,5S)-2-(hydroxymethyl)-1,3-oxathiolan-5-yl)-2-oxo-1,2-dihydropyrimidin-4-yl)amino)methyl)amino)-9H-purin-9-yl)propan-2-yl)oxy)methyl)(hydroxy)phosphoryl)oxy)methyl Isopropyl Carbonate is useful as reference Impurity standard.
    Emtricitabine Tenofovir Monosoproxil Dimer ; ((((((R)-1-(6-((((5-Fluoro-1-((2R,5S)-2-(hydroxymethyl)-1,3-oxathiolan-5-yl)-2-oxo-1,2-dihydropyrimidin-4-yl)amino)methyl)amino)-9H-purin-9-yl)propan-2-yl)oxy)methyl)(hydroxy)phosphoryl)oxy)methyl Isopropyl Carbonate
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    Product Name : Emtricitabine Tenofovir Disoproxil Dimer ; ((((((R)-1-(6-((((5-Fluoro-1-((2R,5S)-2-(hydroxymethyl)-1,3-oxathiolan-5-yl)-2-oxo-1,2-dihydropyrimidin-4-yl)amino)methyl)amino)-9H-purin-9-yl)propan-2-yl)oxy)methyl)phosphoryl)bis(oxy))bis(methylene) Diisopropyl Dicarbonate

    Code: JCEMT-22
    CAS: 
    Chemical Formula: C28H40FN8O13PS
    Molecular Weight: 278.7
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application: Emtricitabine Tenofovir Disoproxil Dimer ; ((((((R)-1-(6-((((5-Fluoro-1-((2R,5S)-2-(hydroxymethyl)-1,3-oxathiolan-5-yl)-2-oxo-1,2-dihydropyrimidin-4-yl)amino)methyl)amino)-9H-purin-9-yl)propan-2-yl)oxy)methyl)phosphoryl)bis(oxy))bis(methylene) Diisopropyl Dicarbonateis useful as reference Impurity standard.
    Emtricitabine Tenofovir Disoproxil Dimer ; ((((((R)-1-(6-((((5-Fluoro-1-((2R,5S)-2-(hydroxymethyl)-1,3-oxathiolan-5-yl)-2-oxo-1,2-dihydropyrimidin-4-yl)amino)methyl)amino)-9H-purin-9-yl)propan-2-yl)oxy)methyl)phosphoryl)bis(oxy))bis(methylene) Diisopropyl Dicarbonate
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    Product Name : Emtricitabine O-β-D-Glucuronide Sodium Salt ; (2R-cis)-[5-(4-Amino-5-fluoro-2-oxo-1(2H)-pyrimidinyl)-1,3-oxathiolan-2-yl] methyl β-D-glucopyranosiduronic acid sodium salt | 152128-78-4

     
    Code:  JCEMT-21
    CAS: 152128-78-4
    Chemical Formula: C14H17FN3NaO9S
    Molecular Weight: 445.35
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application:Emtricitabine O-β-D-Glucuronide Sodium Salt ; (2R-cis)-[5-(4-Amino-5-fluoro-2-oxo-1(2H)-pyrimidinyl)-1,3-oxathiolan-2-yl] methyl β-D-glucopyranosiduronic acid sodium salt | 152128-78-4 is useful as reference Impurity standard.
    Emtricitabine O-β-D-Glucuronide Sodium Salt ; (2R-cis)-[5-(4-Amino-5-fluoro-2-oxo-1(2H)-pyrimidinyl)-1,3-oxathiolan-2-yl] methyl β-D-glucopyranosiduronic acid sodium salt   |  152128-78-4
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    Product Name : Emtricitabine N-Acetyl O-Benzoyl 5-Epimer ; ((2R,5R)-5-(4-Acetamido-5-fluoro-2-oxopyrimidin-1(2H)-yl)-1,3-oxathiolan-2-yl)methyl benzoate

    Code: JCEMT-20
    CAS: 
    Chemical Formula: C17H16FN3O5S
    Molecular Weight: 393.39
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application:Emtricitabine N-Acetyl O-Benzoyl 5-Epimer ; ((2R,5R)-5-(4-Acetamido-5-fluoro-2-oxopyrimidin-1(2H)-yl)-1,3-oxathiolan-2-yl)methyl benzoate is useful as reference Impurity standard.
    Emtricitabine N-Acetyl O-Benzoyl 5-Epimer ; ((2R,5R)-5-(4-Acetamido-5-fluoro-2-oxopyrimidin-1(2H)-yl)-1,3-oxathiolan-2-yl)methyl benzoate
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    Product Name : Emtricitabine Isopropyl Carbamate ; Isopropyl (5-Fluoro-1-((2R,5S)-2-(hydroxymethyl)-1,3-oxathiolan-5-yl)-2-oxo-1,2-dihydropyrimidin-4-yl)carbamate

    Code: JCEMT-19
    CAS: NA
    Chemical Formula: C12H16FN3O5S
    Molecular Weight:333.34
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application:Emtricitabine Isopropyl Carbamate ; Isopropyl (5-Fluoro-1-((2R,5S)-2-(hydroxymethyl)-1,3-oxathiolan-5-yl)-2-oxo-1,2-dihydropyrimidin-4-yl)carbamate is useful as reference Impurity standard.
    Emtricitabine Isopropyl Carbamate ; Isopropyl (5-Fluoro-1-((2R,5S)-2-(hydroxymethyl)-1,3-oxathiolan-5-yl)-2-oxo-1,2-dihydropyrimidin-4-yl)carbamate
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    Product Name : Emtricitabine IP Impurity J ; 4-Amino-5-fluoro-1-[(2S,4S)-2-(hydroxymethyl)-1,3-dioxolan-4-yl]pyrimidin-2(1H)-one

    Code: JCEMT-18
    CAS: 
    Chemical Formula: C8H10FN3O4
    Molecular Weight: 231.18
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application:Emtricitabine IP Impurity J ; 4-Amino-5-fluoro-1-[(2S,4S)-2-(hydroxymethyl)-1,3-dioxolan-4-yl]pyrimidin-2(1H)-one is useful as reference Impurity standard.
    Emtricitabine IP Impurity J ; 4-Amino-5-fluoro-1-[(2S,4S)-2-(hydroxymethyl)-1,3-dioxolan-4-yl]pyrimidin-2(1H)-one
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    Product Name : Emtricitabine IP Impurity I ;Emtricitabine 6′-Disulfide ; 1,1′-[Disulfanediylbis(methylene-(2R,5S)-1,3-oxathiolane-2,5-diyl)]bis(4-amino-5-fluoropyrimidin-2(1H)-one) | 1246819-86-2

    Code:  JCEMT-17
    CAS: 1246819-86-2
    Chemical Formula: C16H18F2N6O4S4
    Molecular Weight: 524.61
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application:Emtricitabine IP Impurity I ;Emtricitabine 6'-Disulfide ; 1,1'-[Disulfanediylbis(methylene-(2R,5S)-1,3-oxathiolane-2,5-diyl)]bis(4-amino-5-fluoropyrimidin-2(1H)-one) | 1246819-86-2 is useful as reference Impurity standard.
    Emtricitabine IP Impurity I ;Emtricitabine 6'-Disulfide ; 1,1'-[Disulfanediylbis(methylene-(2R,5S)-1,3-oxathiolane-2,5-diyl)]bis(4-amino-5-fluoropyrimidin-2(1H)-one)  |  1246819-86-2
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    Product Name : Emtricitabine IP Impurity H ;Emtricitabine S-Oxide (R)-Isomer ; 4-Amino-5-fluoro-1-[(2R,3R,5S)-2-(hydroxymethyl)-3-oxo-1,3-oxa-λ4-thiolan-5-yl]pyrimidin-2(1H)-one | 152128-77-3

    Code: JCEMT-16
    CAS: 152128-77-3
    Chemical Formula: C8H10FN3O4S
    Molecular Weight: 263.25
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application:Emtricitabine IP Impurity H ;Emtricitabine S-Oxide (R)-Isomer ; 4-Amino-5-fluoro-1-[(2R,3R,5S)-2-(hydroxymethyl)-3-oxo-1,3-oxa-λ4-thiolan-5-yl]pyrimidin-2(1H)-one | 152128-77-3 is useful as reference Impurity standard.
    Emtricitabine IP Impurity H ;Emtricitabine S-Oxide (R)-Isomer ;  4-Amino-5-fluoro-1-[(2R,3R,5S)-2-(hydroxymethyl)-3-oxo-1,3-oxa-λ4-thiolan-5-yl]pyrimidin-2(1H)-one |  152128-77-3
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    Product Name : Emtricitabine IP Impurity G ;Emtricitabine S-Oxide (S)-Isomer ; 4-Amino-5-fluoro-1-[(2R,3S,5S)-2-(hydroxymethyl)-3-oxo-1,3-oxa-λ4-thiolan-5-yl]pyrimidin-2(1H)-one |  152128-77-3

    Code: JCEMT-15
    CAS: 152128-77-3
    Chemical Formula: C8H10FN3O4S
    Molecular Weight: 263.25
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application:Emtricitabine IP Impurity G ;Emtricitabine S-Oxide (S)-Isomer ; 4-Amino-5-fluoro-1-[(2R,3S,5S)-2-(hydroxymethyl)-3-oxo-1,3-oxa-λ4-thiolan-5-yl]pyrimidin-2(1H)-one |  152128-77-3 is useful as reference Impurity standard.
    Emtricitabine IP Impurity G ;Emtricitabine S-Oxide (S)-Isomer ;  4-Amino-5-fluoro-1-[(2R,3S,5S)-2-(hydroxymethyl)-3-oxo-1,3-oxa-λ4-thiolan-5-yl]pyrimidin-2(1H)-one  |   152128-77-3
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    Product Name : Emtricitabine IP Impurity F ;5-Fluoro Uracil ; 5-Fluoropyrimidin-2,4(1H,3H)-dione | 51-21-8 

    Code: JCEMT-14
    CAS: 51-21-8
    Chemical Formula: C4H3FN2O2
    Molecular Weight: 130.08
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application:Emtricitabine IP Impurity F ;5-Fluoro Uracil ; 5-Fluoropyrimidin-2,4(1H,3H)-dione | 51-21-8 is useful as reference Impurity standard.
    Emtricitabine IP Impurity F ;5-Fluoro Uracil ; 5-Fluoropyrimidin-2,4(1H,3H)-dione |  51-21-8 
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    Product Name : Emtricitabine IP Impurity E ;5-Fluoro Cytosine ; 4-Amino-5-fluoropyrimidin-2(1H)-one |  2022-85-7

    Code: JCEMT-13
    CAS: 2022-85-7
    Chemical Formula: C4H4FN3O
    Molecular Weight: 129.09
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application:Emtricitabine IP Impurity E ;5-Fluoro Cytosine ; 4-Amino-5-fluoropyrimidin-2(1H)-one |  2022-85-7 is useful as reference Impurity standard.
    Emtricitabine IP Impurity E ;5-Fluoro Cytosine ; 4-Amino-5-fluoropyrimidin-2(1H)-one  |  2022-85-7
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    Product Name : Emtricitabine IP Impurity D ;Emtricitabine Enantiomer ; 4-Amino-5-fluoro-1-[(2S,5R)-2- (hydroxymethyl)-1,3-oxathiolan-5-yl]-2-(1H)-pyrimidone | 137530-41-7 

    Code: JCEMT-12
    CAS: 137530-41-7
    Chemical Formula: C8H10FN3O3S
    Molecular Weight: 247.25
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application:Emtricitabine IP Impurity D ;Emtricitabine Enantiomer ; 4-Amino-5-fluoro-1-[(2S,5R)-2- (hydroxymethyl)-1,3-oxathiolan-5-yl]-2-(1H)-pyrimidone | 137530-41-7 is useful as reference Impurity standard.
    Emtricitabine IP Impurity D ;Emtricitabine Enantiomer ; 4-Amino-5-fluoro-1-[(2S,5R)-2- (hydroxymethyl)-1,3-oxathiolan-5-yl]-2-(1H)-pyrimidone   |  137530-41-7 
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    Product Name : Emtricitabine IP Impurity C ; Desfluoro Emtricitabine ; Lamivudine ; 4-Amino-1-[(2R,5S)-2-(hydroxymethyl)-1,3-oxathiolan-5-yl] pyrimidin-2(1H)-one |  134678-17-4

    Code: JCEMT-11
    CAS: 134678-17-4
    Chemical Formula: C8H11N3O3S
    Molecular Weight: 229.26
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application:Emtricitabine IP Impurity C ; Desfluoro Emtricitabine ; Lamivudine ; 4-Amino-1-[(2R,5S)-2-(hydroxymethyl)-1,3-oxathiolan-5-yl] pyrimidin-2(1H)-one |  134678-17-4 is useful as reference Impurity standard.
    Emtricitabine IP Impurity C ; Desfluoro Emtricitabine ; Lamivudine ; 4-Amino-1-[(2R,5S)-2-(hydroxymethyl)-1,3-oxathiolan-5-yl] pyrimidin-2(1H)-one  |   134678-17-4
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    Product Name : Emtricitabine IP Impurity B ;Emtricitabine 5-Epimer ; 4-Amino-5-fluoro-1-[(2R,5R)-2- (hydroxymethyl)-1,3-oxathiolan-5-yl]-2-(1H)-pyrimidone | 145986-26-1

    Code: JCEMT-10
    CAS: 145986-26-1
    Chemical Formula: C8H10FN3O3S
    Molecular Weight: 247.25
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application:Emtricitabine IP Impurity B ;Emtricitabine 5-Epimer ; 4-Amino-5-fluoro-1-[(2R,5R)-2- (hydroxymethyl)-1,3-oxathiolan-5-yl]-2-(1H)-pyrimidone | 145986-26-1 is useful as reference Impurity standard.
    Emtricitabine IP Impurity B ;Emtricitabine 5-Epimer ; 4-Amino-5-fluoro-1-[(2R,5R)-2- (hydroxymethyl)-1,3-oxathiolan-5-yl]-2-(1H)-pyrimidone    |  145986-26-1
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    Product Name : Emtricitabine IP Impurity A ;Emtricitabine Carboxylic Acid ; (2R,5S)-5-(4-Amino-5-fluoro-2-oxo-1(2H)-pyrimidinyl)-1,3-oxathiolane-2-carboxylic acid | 1238210-10-0 

    Code: JCEMT-09
    CAS: 1238210-10-0
    Chemical Formula: C8H8FN3O4S
    Molecular Weight: 261.23
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application: Emtricitabine IP Impurity A ;Emtricitabine Carboxylic Acid ; (2R,5S)-5-(4-Amino-5-fluoro-2-oxo-1(2H)-pyrimidinyl)-1,3-oxathiolane-2-carboxylic acid | 1238210-10-0 is useful as reference Impurity standard.
    Emtricitabine IP Impurity A ;Emtricitabine Carboxylic Acid ; (2R,5S)-5-(4-Amino-5-fluoro-2-oxo-1(2H)-pyrimidinyl)-1,3-oxathiolane-2-carboxylic acid   |  1238210-10-0 
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    Product Name : Emtricitabine 5-O-Sulfate ;  4-Amino-5-fluoro-1-[(2R,5S)-2-hydroxymethyl)-1,3-oxathiolan-5-yl]-2-(1H-pyrimidinone 5-O-Sulfate

    Code: JCEMT-08
    CAS: NA
    Chemical Formula: C8H10FN3O6S2
    Molecular Weight: 327.31
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application:Emtricitabine 5-O-Sulfate ;  4-Amino-5-fluoro-1-[(2R,5S)-2-hydroxymethyl)-1,3-oxathiolan-5-yl]-2-(1H-pyrimidinone 5-O-Sulfate is useful as reference Impurity standard.
    Emtricitabine 5-O-Sulfate ;  4-Amino-5-fluoro-1-[(2R,5S)-2-hydroxymethyl)-1,3-oxathiolan-5-yl]-2-(1H-pyrimidinone 5-O-Sulfate
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    Product Name : Emtricitabine 5-Fluorouracil Analog (USP) ;Emtricitabine 4-Hydroxy Analog ; Emtricitabine 2,4-Dione Impurity ; 5-Fluoro-1-[(2R,5S)-2-(hydroxymethyl)-1,3-oxathiolane-5-yl]uracil ; cis-5-Fluoro-1-[2-(hydroxymethyl)-1,3-oxathiolan-5-yl]-2,4(1H,3H)-pyrimidinedione | 145986-11-4

    Code: JCEMT-07
    CAS: 145986-11-4
    Chemical Formula: C8H9FN2O4S
    Molecular Weight: 248.23
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application:Emtricitabine 5-Fluorouracil Analog (USP) ;Emtricitabine 4-Hydroxy Analog ; Emtricitabine 2,4-Dione Impurity ; 5-Fluoro-1-[(2R,5S)-2-(hydroxymethyl)-1,3-oxathiolane-5-yl]uracil ; cis-5-Fluoro-1-[2-(hydroxymethyl)-1,3-oxathiolan-5-yl]-2,4(1H,3H)-pyrimidinedione | 145986-11-4 is useful as reference Impurity standard.
    Emtricitabine 5-Fluorouracil Analog (USP) ;Emtricitabine 4-Hydroxy Analog ; Emtricitabine 2,4-Dione Impurity ; 5-Fluoro-1-[(2R,5S)-2-(hydroxymethyl)-1,3-oxathiolane-5-yl]uracil ; cis-5-Fluoro-1-[2-(hydroxymethyl)-1,3-oxathiolan-5-yl]-2,4(1H,3H)-pyrimidinedione   | 145986-11-4
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    Product Name : Emtricitabine Sulfoxide ;  4-Amino-5-fluoro-1-[(2R,5S)-2- (hydroxymethyl)-3-oxido-1,3-oxathiolan-5-yl]-2-(1H)-pyrimidone | 152128-77-3

    Code: JCEMT-06
    CAS: 152128-77-3
    Chemical Formula: C8H10FN3O4S
    Molecular Weight: 263.35
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application:Emtricitabine Sulfoxide ;  4-Amino-5-fluoro-1-[(2R,5S)-2- (hydroxymethyl)-3-oxido-1,3-oxathiolan-5-yl]-2-(1H)-pyrimidone | 152128-77-3 is useful as reference Impurity standard.
    Emtricitabine Sulfoxide ;  4-Amino-5-fluoro-1-[(2R,5S)-2- (hydroxymethyl)-3-oxido-1,3-oxathiolan-5-yl]-2-(1H)-pyrimidone  | 152128-77-3
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    Product Name : Emtricitabine Enantiomer ;  4-Amino-5-fluoro-1-[(2S,5R)-2- (hydroxymethyl)-1,3-oxathiolan-5-yl]-2-(1H)-pyrimidone |  137530-41-7

    Code: JCEMT-05
    CAS:  137530-41-7
    Chemical Formula: C8H10FN3O3S
    Molecular Weight: 247.25
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application:Emtricitabine Enantiomer ;  4-Amino-5-fluoro-1-[(2S,5R)-2- (hydroxymethyl)-1,3-oxathiolan-5-yl]-2-(1H)-pyrimidone |  137530-41-7 is useful as reference Impurity standard.
    Emtricitabine Enantiomer ;  4-Amino-5-fluoro-1-[(2S,5R)-2- (hydroxymethyl)-1,3-oxathiolan-5-yl]-2-(1H)-pyrimidone |  137530-41-7
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    Product Name : Emtricitabine Carboxylic Acid ;  (2R,5S)-5-(4-Amino-5-fluoro-2-oxo-1(2H)-pyrimidinyl)-1,3-oxathiolane-2-carboxylic acid |  1238210-10-0 

    Code: JCEMT-04
    CAS: 1238210-10-0
    Chemical Formula: C8H8FN3O4S
    Molecular Weight: 261.23
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application: Emtricitabine Carboxylic Acid ;  (2R,5S)-5-(4-Amino-5-fluoro-2-oxo-1(2H)-pyrimidinyl)-1,3-oxathiolane-2-carboxylic acid |  1238210-10-0 is useful as reference Impurity standard.
    Emtricitabine Carboxylic Acid ;  (2R,5S)-5-(4-Amino-5-fluoro-2-oxo-1(2H)-pyrimidinyl)-1,3-oxathiolane-2-carboxylic acid |  1238210-10-0 
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    Product Name : Emtricitabine ;  4-Amino-5-fluoro-1-[(2R,5S)-2- (hydroxymethyl)-1,3-oxathiolan-5-yl]-2-(1H)-pyrimidone | 143491-57-0 

    Code: JCEMT-03
    CAS: 143491-57-0
    Chemical Formula: C8H10FN3O3S
    Molecular Weight: 247.25
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application:Emtricitabine ;  4-Amino-5-fluoro-1-[(2R,5S)-2- (hydroxymethyl)-1,3-oxathiolan-5-yl]-2-(1H)-pyrimidone | 143491-57-0  is useful as reference Impurity standard.
    Emtricitabine ;  4-Amino-5-fluoro-1-[(2R,5S)-2- (hydroxymethyl)-1,3-oxathiolan-5-yl]-2-(1H)-pyrimidone  | 143491-57-0 
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    Product Name : Emtricitabine 5-Epimer ;  4-Amino-5-fluoro-1-[(2R,5R)-2- (hydroxymethyl)-1,3-oxathiolan-5-yl]-2-(1H)-pyrimidone | 145986-26-1 

    Code: JCEMT-02
    CAS: 145986-26-1
    Chemical Formula: C8H10FN3O3S
    Molecular Weight: 247.25
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application:Emtricitabine 5-Epimer ;  4-Amino-5-fluoro-1-[(2R,5R)-2- (hydroxymethyl)-1,3-oxathiolan-5-yl]-2-(1H)-pyrimidone | 145986-26-1 is useful as reference Impurity standard.
    Emtricitabine 5-Epimer ;  4-Amino-5-fluoro-1-[(2R,5R)-2- (hydroxymethyl)-1,3-oxathiolan-5-yl]-2-(1H)-pyrimidone | 145986-26-1 
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    Product Name : Emtricitabine 2-Epimer ; 4-Amino-5-fluoro-1-[(2S,5S)-2- (hydroxymethyl)-1,3-oxathiolan-5-yl]-2-(1H)-pyrimidone | 145416-34-8

    Code: JCEMT-01
    CAS: 145416-34-8
    Chemical Formula: C8H10FN3O3S
    Molecular Weight: 247.25
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application:Emtricitabine 2-Epimer ; 4-Amino-5-fluoro-1-[(2S,5S)-2- (hydroxymethyl)-1,3-oxathiolan-5-yl]-2-(1H)-pyrimidone | 145416-34-8 is useful as reference Impurity standard.
    Emtricitabine 2-Epimer ; 4-Amino-5-fluoro-1-[(2S,5S)-2- (hydroxymethyl)-1,3-oxathiolan-5-yl]-2-(1H)-pyrimidone | 145416-34-8