Siomycin A

盐屋霉素A

Also known as: Thiostrepton, 1-valine-2-(2,3-didehydroalanine), Antibiotic 6741-21, Mutabillicin, Mutabilycin, Sporangiomycin, Salomycin A, AKFVOKPQHFBYCA-OFENGFFDSA-N, N-[(7R,8S)-2-carboxy-7,8-dihydro-8-hydroxy-4-[(1S)-1-hydroxyethyl]-7-quinolinyl]-L-valyl-2,3-didehydroalanyl-2,3-didehydroalanyl-L-alanyl-2-[(4aR,11S,14Z,18S,21S,28S,32aS)-4a-amino-21-[(1S,2R)-1,2-dihydroxy-1-methylpropyl]-14-ethylidene-3,4,4a,9,10,11,12,13,14,18,19,20,21,27,28,32a-hexadecahydro-26,46-dimethyl-40,43-bis(methylene)-37-(1-methylethyl)-6,9,16,23,28,38,41,44,47-nonaoxo-27-oxa-3,13,20,56-tetrathia-7,10,17,24,36,39,42,45,48,52,58,61,62,63,64-pentadecaazanonacyclo[23.23.9.3.1.1.1.1.0.0]tetrahexaconta-2(64),4,12(63),19(62),21,29,31,33,35(61),51,53,55,57(60)-dodecaen-18-yl]acetamide

Siomycin A (CAS 12656-09-6) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C71H81N19O18S5 and a molecular weight of 1648.844 g/mol. It is also known as Thiostrepton, 1-valine-2-(2,3-didehydroalanine), Antibiotic 6741-21 and Mutabillicin. Key property: a density of 1.7±0.1 g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

12656-09-6

Jingsj CID

J-1957107-0

Molecular Formula

C₇₁H₈₁N₁₉O₁₈S₅

Chinese Name

盐屋霉素A

Molecular Weight

1648.844 g/mol

Category

Organic Compounds

Last updated

8/21/2026