Steffimycin

司替霉素

Also known as: 1,6,11(2H)-Naphthacenetrione, 4-[(6-deoxy-2-O-methyl-α-L-mannopyranosyl)oxy]-3,4-dihydro-2,5,7-trihydroxy-3,9-dimethoxy-2-methyl-, (2S,3S,4R)-, 4-[(6-Deoxy-2-O-methyl-α-L-mannopyranosyl)oxy]-3,4-dihydro-2,5,7-trihydroxy-3,9-dimethoxy-2-methyl-1,6,11(2H)-naphthacenetrione, 4-[(2-O-Methyl-6-deoxy-α-L-mannopyranosyl)oxy]-3,4-dihydro-2,5,7-trihydroxy-3,9-dimethoxy-2-methyl-1,6,11(2H)-naphthacenetrione, 4-(4,5-dihydroxy-3-methoxy-6-methyloxan-2-yl)oxy-2,5,7-trihydroxy-3,9-dimethoxy-2-methyl-3,4-dihydrotetracene-1,6,11-trione, Antibiotic U-20661, NSC-93419, Steffisburgensimycin, Steffimycine [INN-French], Steffimycinum [INN-Latin], Estefimicina [INN-Spanish]

Steffimycin (CAS 11033-34-4) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C28H30O13 and a molecular weight of 574.53000 g/mol. It is also known as 1,6,11(2H)-Naphthacenetrione, 4-[(6-deoxy-2-O-methyl-α-L-mannopyranosyl)oxy]-3,4-dihydro-2,5,7-trihydroxy-3,9-dimethoxy-2-methyl-, (2S,3S,4R)-, 4-[(6-Deoxy-2-O-methyl-α-L-mannopyranosyl)oxy]-3,4-dihydro-2,5,7-trihydroxy-3,9-dimethoxy-2-methyl-1,6,11(2H)-naphthacenetrione and 4-[(2-O-Methyl-6-deoxy-α-L-mannopyranosyl)oxy]-3,4-dihydro-2,5,7-trihydroxy-3,9-dimethoxy-2-methyl-1,6,11(2H)-naphthacenetrione. Key properties include a boiling point of 813.7ºC at 760mmHg, a density of 1.58g/cm3 and a flash point of 269.3ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

11033-34-4

Jingsj CID

J-1499767-3

Molecular Formula

C₂₈H₃₀O₁₃

Chinese Name

司替霉素

Molecular Weight

574.53000 g/mol

Category

Organic Compounds

Last updated

8/21/2026