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(1aR,2R,3S,4aR,6S,7S,7aS,8E,10R,11R,11aS)-2,7,10-Tris(acetyloxy)-1a,2,3,6,7,10,11,11a-octahydro-11-methoxy-1,1,3,6,9-pentamethyl-4a,7a-epoxy-5H-cyclopenta[a]cyclopropa[f]cycloundecen-4(1H)-one

Also known as: 4a,7a-Epoxy-5H-cyclopenta[a]cyclopropa[f]cycloundecen-4(1H)-one, 2,7,10-tris(acetyloxy)-1a,2,3,6,7,10,11,11a-octahydro-11-methoxy-1,1,3,6,9-pentamethyl-, (1aR,2R,3R,4aR,6S,7S,7aS,8E,10R,11S,11aS)- (9CI)

(1aR,2R,3S,4aR,6S,7S,7aS,8E,10R,11R,11aS)-2,7,10-Tris(acetyloxy)-1a,2,3,6,7,10,11,11a-octahydro-11-methoxy-1,1,3,6,9-pentamethyl-4a,7a-epoxy-5H-cyclopenta[a]cyclopropa[f]cycloundecen-4(1H)-one (CAS 77573-15-0) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C27H38O9 and a molecular weight of 506.6 g/mol. It is also known as 4a,7a-Epoxy-5H-cyclopenta[a]cyclopropa[f]cycloundecen-4(1H)-one, 2,7,10-tris(acetyloxy)-1a,2,3,6,7,10,11,11a-octahydro-11-methoxy-1,1,3,6,9-pentamethyl-, (1aR,2R,3R,4aR,6S,7S,7aS,8E,10R,11S,11aS)- (9CI). No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
77573-15-0
Jingsj CID
J-936760-1
Molecular Formula
C27H38O9
Molecular Weight
506.6 g/mol
Category
Organic Compounds
Last updated
8/21/2026

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Frequently Asked Questions

What is the CAS number of (1aR,2R,3S,4aR,6S,7S,7aS,8E,10R,11R,11aS)-2,7,10-Tris(acetyloxy)-1a,2,3,6,7,10,11,11a-octahydro-11-methoxy-1,1,3,6,9-pentamethyl-4a,7a-epoxy-5H-cyclopenta[a]cyclopropa[f]cycloundecen-4(1H)-one?

The CAS number of (1aR,2R,3S,4aR,6S,7S,7aS,8E,10R,11R,11aS)-2,7,10-Tris(acetyloxy)-1a,2,3,6,7,10,11,11a-octahydro-11-methoxy-1,1,3,6,9-pentamethyl-4a,7a-epoxy-5H-cyclopenta[a]cyclopropa[f]cycloundecen-4(1H)-one is 77573-15-0.

What are the molecular formula and molecular weight of (1aR,2R,3S,4aR,6S,7S,7aS,8E,10R,11R,11aS)-2,7,10-Tris(acetyloxy)-1a,2,3,6,7,10,11,11a-octahydro-11-methoxy-1,1,3,6,9-pentamethyl-4a,7a-epoxy-5H-cyclopenta[a]cyclopropa[f]cycloundecen-4(1H)-one?

(1aR,2R,3S,4aR,6S,7S,7aS,8E,10R,11R,11aS)-2,7,10-Tris(acetyloxy)-1a,2,3,6,7,10,11,11a-octahydro-11-methoxy-1,1,3,6,9-pentamethyl-4a,7a-epoxy-5H-cyclopenta[a]cyclopropa[f]cycloundecen-4(1H)-one has molecular formula C27H38O9 and molecular weight 506.6 g/mol.

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

Last updated:

How to cite: Jingsj. "(1aR,2R,3S,4aR,6S,7S,7aS,8E,10R,11R,11aS)-2,7,10-Tris(acetyloxy)-1a,2,3,6,7,10,11,11a-octahydro-11-methoxy-1,1,3,6,9-pentamethyl-4a,7a-epoxy-5H-cyclopenta[a]cyclopropa[f]cycloundecen-4(1H)-one (CAS 77573-15-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-936760-1 (accessed 2026-10-23).

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