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(1S,3S,7S,10R,11S,12S,16R)-3-[(1E)-2-[2-(Aminomethyl)-4-thiazolyl]-1-methylethenyl]-7,11-dihydroxy-8,8,10,12,16-pentamethyl-4,17-dioxabicyclo[14.1.0]heptadecane-5,9-dione

21-氨基埃坡霉素 B

Also known as: 21-Aminoepothilone B, BMS-310705, BMS 310705, 21-aminoepothilone B, 4,17-Dioxabicyclo[14.1.0]heptadecane-5,9-dione, 3-((1E)-2-(2-(aminomethyl)-4-thiazolyl)-1-methylethenyl)-7,11-dihydroxy-8,8,10,12,16-pentamethyl-, (1S,3S,7S,10R,11S,12S,16R)-, (1S,3S,7S,10R,11S,12S,16R)-3-[(E)-1-[2-(aminomethyl)-1,3-thiazol-4-yl]prop-1-en-2-yl]-7,11-dihydroxy-8,8,10,12,16-pentamethyl-4,17-dioxabicyclo[14.1.0]heptadecane-5,9-dione, (1S,3S,7S,10R,11S,12S,16R)-3-[(1E)-2-[2-(Aminomethyl)-4-thiazolyl]-1-methylethenyl]-7,11-dihydroxy-8,8,10,12,16-pentamethyl-4,17-dioxabicyclo[14.1.0]heptadecane-5,9-dione USP/EP/BP

(1S,3S,7S,10R,11S,12S,16R)-3-[(1E)-2-[2-(Aminomethyl)-4-thiazolyl]-1-methylethenyl]-7,11-dihydroxy-8,8,10,12,16-pentamethyl-4,17-dioxabicyclo[14.1.0]heptadecane-5,9-dione (CAS 280578-49-6) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C27H42N2O6S and a molecular weight of 522.69700 g/mol. It is also known as 21-Aminoepothilone B, BMS-310705 and BMS 310705. Key property: a density of 1.16. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
280578-49-6
Jingsj CID
J-1956537-6
Molecular Formula
C27H42N2O6S
Chinese Name
21-氨基埃坡霉素 B
Molecular Weight
522.69700 g/mol
Category
Organic Compounds
Last updated
8/21/2026

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Physicochemical Properties

Density1.16

Frequently Asked Questions

What is the CAS number of (1S,3S,7S,10R,11S,12S,16R)-3-[(1E)-2-[2-(Aminomethyl)-4-thiazolyl]-1-methylethenyl]-7,11-dihydroxy-8,8,10,12,16-pentamethyl-4,17-dioxabicyclo[14.1.0]heptadecane-5,9-dione?

The CAS number of (1S,3S,7S,10R,11S,12S,16R)-3-[(1E)-2-[2-(Aminomethyl)-4-thiazolyl]-1-methylethenyl]-7,11-dihydroxy-8,8,10,12,16-pentamethyl-4,17-dioxabicyclo[14.1.0]heptadecane-5,9-dione is 280578-49-6.

What are the molecular formula and molecular weight of (1S,3S,7S,10R,11S,12S,16R)-3-[(1E)-2-[2-(Aminomethyl)-4-thiazolyl]-1-methylethenyl]-7,11-dihydroxy-8,8,10,12,16-pentamethyl-4,17-dioxabicyclo[14.1.0]heptadecane-5,9-dione?

(1S,3S,7S,10R,11S,12S,16R)-3-[(1E)-2-[2-(Aminomethyl)-4-thiazolyl]-1-methylethenyl]-7,11-dihydroxy-8,8,10,12,16-pentamethyl-4,17-dioxabicyclo[14.1.0]heptadecane-5,9-dione has molecular formula C27H42N2O6S and molecular weight 522.69700 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "(1S,3S,7S,10R,11S,12S,16R)-3-[(1E)-2-[2-(Aminomethyl)-4-thiazolyl]-1-methylethenyl]-7,11-dihydroxy-8,8,10,12,16-pentamethyl-4,17-dioxabicyclo[14.1.0]heptadecane-5,9-dione (CAS 280578-49-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1956537-6 (accessed 2026-10-26).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.