Diphenhydramine Impurity 1 is a fully characterized chemical compound used as a reference standard of API Diphenhydramine. The standard offered is compliant with regulatory guidelines. Diphenhydramine Impurity 1 is used for analytical method development, method validation (AMV), and Quality Controlled (QC) applications during synthesis and formulation stages of drug development and serves as a reference standard for traceability against pharmacopeial standards (USP or EP). Axios Research products are intended for analytical purposes only and are not for human use. CAS - 21409-25-6
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