CAS 901770-40-9 appears in our catalog under these names: Biotin-4-aminophenol/ 98.99% (existing batch purity), Biotin–4–aminophenol, Biotin-4-aminophenol 97%, N-(4-Hydroxyphenyl)-5-((3aS,4S,6aR)-2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)pentanamide, 97%, 97%, Biotin-4-aminophenol, 99.45%. Offered by: TargetMol, GLPBio, Ambeed, Chemat, MedChemExpress. Available pack sizes: 1mg, 5mg, 10mg, 25mg, 50mg, 100mg, 500mg, 250mg.