Oseltamivir

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Oseltamivir 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 : Oseltamivir Phosphate ; (3R,4R,5S)-4-(Acetylamino)-5-amino-3-(1-ethylpropoxy)-1-cyclohexene-1-carboxylic acid ethyl ester phosphate salt

    Code: JCOSM-08
    CAS:  204255-11-8
    Chemical Formula:  C16H31N2O8P
    Molecular Weight:  410.4
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application:Oseltamivir Phosphate ; (3R,4R,5S)-4-(Acetylamino)-5-amino-3-(1-ethylpropoxy)-1-cyclohexene-1-carboxylic acid ethyl ester phosphate salt |  204255-11-8  is useful as reference Impurity standard
    Oseltamivir Phosphate ; (3R,4R,5S)-4-(Acetylamino)-5-amino-3-(1-ethylpropoxy)-1-cyclohexene-1-carboxylic acid ethyl ester phosphate salt
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    Product Name : Oseltamivir EP Impurity G ;4-N-Desacetyl-5-N-Acetyl Oseltamivir ; Ethyl (3R,4R,5S)-5-acetamido-4-amino-3-(1-ethylpropoxy)cyclohex-1-ene-1-carboxylate

    Code: JCOSM-07
    CAS: 956267-10-0
    Chemical Formula: C16H28N2O4
    Molecular Weight: 312.40
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application:Oseltamivir EP Impurity G ;4-N-Desacetyl-5-N-Acetyl Oseltamivir ; Ethyl (3R,4R,5S)-5-acetamido-4-amino-3-(1-ethylpropoxy)cyclohex-1-ene-1-carboxylate | 956267-10-0  is useful as reference Impurity standard
    Oseltamivir EP Impurity G ;4-N-Desacetyl-5-N-Acetyl Oseltamivir ;  Ethyl (3R,4R,5S)-5-acetamido-4-amino-3-(1-ethylpropoxy)cyclohex-1-ene-1-carboxylate
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    Product Name : Oseltamivir EP Impurity F ;Oseltamivir C-Desmethyl Analog ; Ethyl (3R,4R,5S)-4-acetamido-5-amino-3-(1-methylpropoxy)cyclohex-1-ene-1-carboxylate formate

    Code: JCOSM-06
    CAS: 1052063-37-2
    Chemical Formula: C16H28N2O6
    Molecular Weight: 344.40
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application:Oseltamivir EP Impurity F ;Oseltamivir C-Desmethyl Analog ; Ethyl (3R,4R,5S)-4-acetamido-5-amino-3-(1-methylpropoxy)cyclohex-1-ene-1-carboxylate formate | 1052063-37-2  is useful as reference Impurity standard
    Oseltamivir EP Impurity F ;Oseltamivir C-Desmethyl Analog ; Ethyl (3R,4R,5S)-4-acetamido-5-amino-3-(1-methylpropoxy)cyclohex-1-ene-1-carboxylate formate
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    Product Name : Oseltamivir EP Impurity E ;Oseltamivir Acid Methyl Ester ; Methyl (3R,4R,5S)-4-acetamido-5-amino-3-(1-ethylpropoxy)cyclohex-1-ene-1-carboxylate

    Code:  JCOSM-05
    CAS: 208720-71-2
    Chemical Formula: C15H26N2O4
    Molecular Weight: 298.38
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application:Oseltamivir EP Impurity E ;Oseltamivir Acid Methyl Ester ; Methyl (3R,4R,5S)-4-acetamido-5-amino-3-(1-ethylpropoxy)cyclohex-1-ene-1-carboxylate | 208720-71-2   is useful as reference Impurity standard
    Oseltamivir EP Impurity E ;Oseltamivir Acid Methyl Ester ; Methyl (3R,4R,5S)-4-acetamido-5-amino-3-(1-ethylpropoxy)cyclohex-1-ene-1-carboxylate
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    Product Name : Oseltamivir EP Impurity D ;  Ethyl 4-acetamido-3-hydroxybenzoate

    Code: JCOSM-04
    CAS:1346604-18-9
    Chemical Formula:  C11H13NO4
    Molecular Weight: 223.23
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application:Oseltamivir EP Impurity D ;  Ethyl 4-acetamido-3-hydroxybenzoate | 1346604-18-9  is useful as reference Impurity standard
    Oseltamivir EP Impurity D ;  Ethyl 4-acetamido-3-hydroxybenzoate
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    Product Name : Oseltamivir EP Impurity C ;Oseltamivir Acid ; (3R,4R,5S)-4-Acetamido-5-amino-3-(1-ethylpropoxy)cyclohex-1-ene-1-carboxylic acid

    Code: JCOSM-03
    CAS: 187227-45-8
    Chemical Formula: C14H24N2O4
    Molecular Weight: 284.35
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application:Oseltamivir EP Impurity C ;Oseltamivir Acid ; (3R,4R,5S)-4-Acetamido-5-amino-3-(1-ethylpropoxy)cyclohex-1-ene-1-carboxylic acid | 187227-45-8  is useful as reference Impurity standard
    Oseltamivir EP Impurity C ;Oseltamivir Acid ; (3R,4R,5S)-4-Acetamido-5-amino-3-(1-ethylpropoxy)cyclohex-1-ene-1-carboxylic acid
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    Product Name : Oseltamivir EP Impurity B ;Oseltamivir 2-Azido Impurity ; Ethyl (1R,2R,3S,4R,5S)-4-acetamido-5-amino-2-azido-3-(1-ethylpropoxy) cyclohexanecarboxylate

    Code: JCOSM-02
    CAS: NA
    Chemical Formula: C16H29N5O4
    Molecular Weight: 355.43
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application:Oseltamivir EP Impurity B ;Oseltamivir 2-Azido Impurity ; Ethyl (1R,2R,3S,4R,5S)-4-acetamido-5-amino-2-azido-3-(1-ethylpropoxy) cyclohexanecarboxylate  is useful as reference Impurity standard
    Oseltamivir EP Impurity B ;Oseltamivir 2-Azido Impurity ;  Ethyl (1R,2R,3S,4R,5S)-4-acetamido-5-amino-2-azido-3-(1-ethylpropoxy) cyclohexanecarboxylate
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    Product Name : Oseltamivir EP Impurity A ;4-N-Desacetyl-5-N-Acetyl Oseltamivir Acid Formate ; (3R,4R,5S)-5-Acetamido-4-amino-3-(1-ethylpropoxy)cyclohex-1-ene-1-carboxylic acid formate

    Code: JCOSM-01
    CAS:  1391047-93-0
    Chemical Formula: C15H26N2O6
    Molecular Weight: 330.38
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application:Oseltamivir EP Impurity A ;4-N-Desacetyl-5-N-Acetyl Oseltamivir Acid Formate ; (3R,4R,5S)-5-Acetamido-4-amino-3-(1-ethylpropoxy)cyclohex-1-ene-1-carboxylic acid formate | 1391047-93-0  is useful as reference Impurity standard
    Oseltamivir EP Impurity A ;4-N-Desacetyl-5-N-Acetyl Oseltamivir Acid Formate ;  (3R,4R,5S)-5-Acetamido-4-amino-3-(1-ethylpropoxy)cyclohex-1-ene-1-carboxylic acid formate