Theophylline

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Theophylline 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 : Theophylline ; 1,3-Dimethyl-3,7-dihydro-1H-purine-2,6-dione | 58-55-9

    Code: JCTPL-07
    CAS: 58-55-9
    Chemical Formula: C7H8N4O2
    Molecular Weight: 180.16
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application: Theophylline ; 1,3-Dimethyl-3,7-dihydro-1H-purine-2,6-dione | 58-55-9is useful as reference Impurity standard.
    Theophylline ; 1,3-Dimethyl-3,7-dihydro-1H-purine-2,6-dione  |  58-55-9
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    Product Name : Theophylline EP Impurity A ; Dimenhydrinate EP Impurity C ;Pentoxifylline EP Impurity F ;Caffeine ;1,3,7-Trimethyl-3,7-dihydro-1H-purine-2,6-dione | 58-08-2

    Code: JCTPL-06
    CAS:  58-08-2
    Chemical Formula: C8H10N4O2
    Molecular Weight: 194.19
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application:Theophylline EP Impurity A ; Dimenhydrinate EP Impurity C ;Pentoxifylline EP Impurity F ;Caffeine ;1,3,7-Trimethyl-3,7-dihydro-1H-purine-2,6-dione | 58-08-2 is useful as reference Impurity standard.
    Theophylline EP Impurity A ; Dimenhydrinate EP Impurity C ;Pentoxifylline EP Impurity F ;Caffeine ;1,3,7-Trimethyl-3,7-dihydro-1H-purine-2,6-dione  |  58-08-2
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    Product Name : Theophylline EP Impurity C ;Theophylline USP RC C ;N-(6-Amino-1,3-dimethyl-2,4-dioxo-1,2,3,4-tetrahydropyrimidin-5-yl)formamide | 7597-60-6

    Code:  JCTPL-05
    CAS:  7597-60-6
    Chemical Formula: C7H10N4O3
    Molecular Weight: 198.18
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application: Theophylline EP Impurity C ;Theophylline USP RC C ;N-(6-Amino-1,3-dimethyl-2,4-dioxo-1,2,3,4-tetrahydropyrimidin-5-yl)formamide | 7597-60-6 is useful as reference Impurity standard.
    Theophylline EP Impurity C ;Theophylline USP RC C ;N-(6-Amino-1,3-dimethyl-2,4-dioxo-1,2,3,4-tetrahydropyrimidin-5-yl)formamide  |  7597-60-6
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    Product Name : Theophylline EP Impurity D ; Theophylline USP RC D ;Diprophylline EP Impurity A ;Theophyllidine HCl ;N-Methyl-5-(methylamino)-1H-imidazole-4-carboxamide HCl | 116131-08-9

    Code:  JCTPL-04
    CAS:  116131-08-9
    Chemical Formula: C6H11ClN4O
    Molecular Weight: 190.63
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application: Theophylline EP Impurity D ; Theophylline USP RC D ;Diprophylline EP Impurity A ;Theophyllidine HCl ;N-Methyl-5-(methylamino)-1H-imidazole-4-carboxamide HCl | 116131-08-9 is useful as reference Impurity standard.
    Theophylline EP Impurity D ; Theophylline USP RC D ;Diprophylline EP Impurity A ;Theophyllidine HCl ;N-Methyl-5-(methylamino)-1H-imidazole-4-carboxamide HCl  |  116131-08-9
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    Product Name : Theophylline EP Impurity E ; 1,3-Dimethyl-7,9-dihydro-1H-purine-2,6,8(3H)-trione | 944-73-0

    Code: JCTPL-03
    CAS: 944-73-0
    Chemical Formula: C7H8N4O3
    Molecular Weight: 196.16
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application:Theophylline EP Impurity E ; 1,3-Dimethyl-7,9-dihydro-1H-purine-2,6,8(3H)-trione | 944-73-0 is useful as reference Impurity standard.
    Theophylline EP Impurity E ; 1,3-Dimethyl-7,9-dihydro-1H-purine-2,6,8(3H)-trione  |  944-73-0
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    Product Name : Theophylline EP Impurity F ; Theophylline USP RC F ; Diprophylline EP Impurity C ;Etofylline ;7-(2-Hydroxyethyl)-1,3-dimethyl-3,7-dihydro-1H-purine-2,6-dione | 519-37-9

    Code:  JCTPL-02
    CAS:  519-37-9
    Chemical Formula:  C9H12N4O3
    Molecular Weight: 224.22
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application:Theophylline EP Impurity F ; Theophylline USP RC F ; Diprophylline EP Impurity C ;Etofylline ;7-(2-Hydroxyethyl)-1,3-dimethyl-3,7-dihydro-1H-purine-2,6-dione | 519-37-9 is useful as reference Impurity standard.
    Theophylline EP Impurity F ; Theophylline USP RC F ; Diprophylline EP Impurity C ;Etofylline ;7-(2-Hydroxyethyl)-1,3-dimethyl-3,7-dihydro-1H-purine-2,6-dione  |  519-37-9
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    Product Name : Theophylline 8-Benzyl ;8-Benzyl-1,3-dimethyl-1H-purine-2,6(3H,7H)-dione | 2879-15-4

    Code: JCTPL-01
    CAS: 2879-15-4
    Chemical Formula: C14H14N4O2
    Molecular Weight: 270.29
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application:Theophylline 8-Benzyl ;8-Benzyl-1,3-dimethyl-1H-purine-2,6(3H,7H)-dione | 2879-15-4  is useful as reference Impurity standard.
    Theophylline 8-Benzyl ;8-Benzyl-1,3-dimethyl-1H-purine-2,6(3H,7H)-dione  |  2879-15-4