Ascomycin 19-epimer; (3S,4R,5S,8R,9E,12S,14S,15R,16S,18R,19S,26aS)-8-Ethyl-5,6,8,11,12,13,14,15,16,17,18,19,24,25,26,26a-hexadecahydro-5,19-dihydroxy-3-[(E)-2-[(1R ,3R ,4R )-4-hydroxy-3-methoxycyclohexyl]-1-methylvinyl]-14,16-dimethoxy-4,10,12,18-tetramethyl-15,19-epoxy-3H -pyrido[2,1-c][1,4]oxaazacyclotricosine-1,7,20,21-(4H ,23H )-tetrone
Ascomycin 19-Epimer (Tacrolimus EP Impurity B) is a fully characterized chemical compound used as a reference standard of API Ascomycin. The standard offered is compliant with regulatory guidelines. Ascomycin 19-Epimer (Tacrolimus EP Impurity B) 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
