Pharm-Rx Theophylline

Chemical Name: Theophylline

CAS Number: 58-55-9

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    Enhanced TDS

    Identification & Functionality

    Chemical Name
    Molecular formula
    C₇H₈N₄O₂, C₇H₈N₄O₂· H₂O
    Product Families
    Chemical Structure

    Pharm-Rx Theophylline - Chemical Structure - 1


    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


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

    Regulatory & Compliance

    FDA Disclaimer

    These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

    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.