Pharm-Rx Lorazepam

Chemical Name: Lorazepam

CAS Number: 846-49-1

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    Enhanced TDS

    Identification & Functionality

    Chemical Name
    Molecular formula
    Product Families
    Chemical Structure

     - 1


    Lorazepam contains NLT 98.0% and NMT 102.0% of lorazepam (C₁₅H₁₀Cl₂N₂O₂), calculated on the dried basis.

    Applications & Uses


    Typical Properties
    ValueUnitsTest Method / Conditions
    Molecular Weight321.16--

    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 Lorazepam RS
    • USP Lorazepam Related Compound A RS 7-Chloro-5-(o-chlorophenyl)-1,3-dihydro-3-acetoxy-2H- 1,4-benzodiazepin-2-one. C17H12Cl2N2O3 363.20
    • USP Lorazepam Related Compound B RS 2-Amino-2′,5-dichlorobenzophenone. C₁₃H₉Cl₂NO - 266.12
    • USP Lorazepam Related Compound C RS 6-Chloro-4-(o-chlorophenyl)-2- quinazolinecarboxaldehyde. C₁₅H₈Cl₂N₂O 303.14
    • USP Lorazepam Related Compound D RS 6-Chloro-4-(o-chlorophenyl)-2- quinazolinecarboxylic acid. C₁₅H₈Cl2N₂O₂ 319.14
    • USP Lorazepam Related Compound E RS 6-Chloro-4-(o-chlorophenyl)-2-quinazoline methanol.

    Storage & Handling

    Storage Information

    Preserve in tight, light-resistant containers.