Cyclosporin B

环孢菌素 B

Also known as: Ala2-cyclosporine, Antibiotic S 7481F2, Cyclo[L-alanyl-D-alanyl-N-methyl-L-leucyl-N-methyl-L-leucyl-N-methyl-L-valyl-3-hydroxy-N,4-dimethyl-L-2-amino-6-octenoyl-L-alanyl-N-methylglycyl-N-methyl-L-leucyl-L-valyl-N-methyl-L-leucyl], (3S,6S,9S,12R,15S,18S,21S,24S,30S,33S)-33-[(1R,2R,4E)-1-hydroxy-2-methylhex-4-en-1-yl]-6,9,18,24-tetraisobutyl-3,21-diisopropyl-1,4,7,10,12,15,19,25,28,30-decamethyl-1,4,7,10,13,16,19,22,25,28,31-undecaazacyclotritriacontane-2,5,8,11,14,17,20,23,26,29,32-undecone, Cyclosporin Impurity B, Cyclosporin Impurity 2, Cyclosporine Impurity-B

Cyclosporin B (CAS 63775-95-1) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C61H109N11O12 and a molecular weight of 1188.585 g/mol. It is also known as Ala2-cyclosporine, Antibiotic S 7481F2 and Cyclo[L-alanyl-D-alanyl-N-methyl-L-leucyl-N-methyl-L-leucyl-N-methyl-L-valyl-3-hydroxy-N,4-dimethyl-L-2-amino-6-octenoyl-L-alanyl-N-methylglycyl-N-methyl-L-leucyl-L-valyl-N-methyl-L-leucyl]. Key properties include a melting point of 149-152ºC, a boiling point of 1289.7±65.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 733.8±34.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

63775-95-1

Jingsj CID

J-1963072-8

Molecular Formula

C₆₁H₁₀₉N₁₁O₁₂

Chinese Name

环孢菌素 B

Molecular Weight

1188.585 g/mol

Category

Organic Compounds

Last updated

8/21/2026