4',5'-di(1,3,2-dithiarsolan-2-yl)-3',6'-dihydroxy-3-oxo-3H-spiro[isobenzofuran-1,9'-xanthene]-6-carboxylic acid
Fluorescein Impurity 1 is a fully characterized chemical compound used as a reference standard of API Fluorescein. The standard offered is compliant with regulatory guidelines. Fluorescein 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 - NA
