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Pharm-Rx Theophylline

Chemical Name: Theophylline

CAS Number: 58-55-9

    Knowde Enhanced TDS

    Identification & Functionality

    Chemical Name
    Molecular formula
    C₇H₈N₄O₂· H₂O, C7H8N4O2
    Chemical Structure

    Pharm-Rx Theophylline - Chemical Structure - 1

    Definition

    Theophylline contains one molecule of water of hydration or is anhydrous. It contains NLT 97.0% and NMT 102.0% of theophylline (C7H8N4O2 ), calculated on a dried basis.

    Applications & Uses

    Properties

    Typical Properties
    ValueUnitsTest Method / Conditions
    Molecular Weight198.18
    Molecular Weight180.17

    Regulatory & Compliance

    USP Reference Standards

    USP Caffeine RS
    USP Theophylline RS
    USP Theophylline Related Compound B RS 3-Methyl-1H-purine-2,6-dione.
    C6H6N4O2 166.14
    USP Theophylline Related Compound C RS N-(6-Amino-1,3-dimethyl-2,4-dioxo-1,2,3,4-tetrahydropyrimidin-5-yl)formamide.
    C7H10N4O3 198.18
    USP Theophylline Related Compound D RS Theophyllidine; N-Methyl-5-(methylamino)-1 H-imidazole-4-carboxamide hydrochloride monohydrate.
    C6H10N4O . HCI . H2O 208.65
    USP Theophylline Related Compound F RS Etophylline;7-(2-Hydroxyethyl)-1,3-dimethyl-3,7-dihydro-1H-purine-2,6-dione.
    C9H12N4O3  224.22

    Storage & Handling

    Storage Information

    Preserve in well-closed containers.