Ascomycin - API — Impurity Reference Standard

Buy Ascomycin - API (CAS 104987-12-4) impurity reference standard from Spectrasynth Pharmachem. Custom synthesis available — enquire for pricing, COA and availability.

• Product Code: SSPC-A01989
• CAS No.: 104987-12-4
• Chemical Name: Tacrolimus Desmethylene Impurity
• Synonyms: Changchuanmycin; Immunomycin; (1R,9S,12S,13R,14S,17R,18E,21S,23S,24R,25S,27R)-17-Ethyl-1,14-dihydroxy-12-[(1E)-1-[(1R,3R,4R)-4-hydroxy-3-methoxycyclohexyl]prop-1-en-2-yl]-23,25-dimethoxy-13,19,21,27-tetramethyl-11,28-dioxa-4-azatricyclo[22.3.1.04,9]octacos-18-ene-2,3,10,16-tetrone; (3S,4R,5S,8R,9E,12S,14S,15R,16S,18R,19R,26aS)-8-Ethyl-5,6,8,11,12,13,14,15,16,17,18,19,24,25,26,26a-hexadecahydro-5,19-dihydroxy-3-[(1E)-2-[(1R,3R,4R)-4-hydroxy-3-methoxycyclohexyl]-1-methylethenyl]-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;
• Molecular Formula: C43H69NO12
• Molecular Weight: 792.01
• Appearance: White Solid
• Storage: 2-8°C Refrigerator
• Application: NA