Cinerin II

瓜叶菊素Ⅱ

Also known as: (1R,3R)-3-[(1E)-3-methoxy-2-methyl-3-oxo-1-propen-1-yl]-2,2-dimethylcyclopropanecarboxylic acid (1S)-3-[(2Z)-2-buten-1-yl]-2-methyl-4-oxo-2-cyclopenten-1-yl ester, (1R,3R)-3-[(E)-3-methoxy-2-methyl-3-oxo-1-propenyl]-2,2-dimethylcyclopropanecarboxylic acid (S)-3-[(Z)-2-butenyl]-2-methyl-4-oxo-2-cyclopenten-1-yl, 3-(but-2-enyl)-2-methyl-4-oxocyclopent-2-enyl 2,2-dimethyl-3-(3-methoxy-2-methyl-3-oxoprop-1-enyl)cyclopropanecarboxylate, Cinerin II, Cinerin Ⅱ, Cyclopropanecarboxylic acid, 3-[(1E)-3-methoxy-2-methyl-3-oxo-1-propen-1-yl]-2,2-dimethyl-, (1S)-3-(2Z)-2-buten-1-yl-2-methyl-4-oxo-2-cyclopenten-1-yl ester, (1R,3R)-, EINECS 204-454-2

Cinerin II (CAS 121-20-0) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C21H27O5- and a molecular weight of 359.43600 g/mol. It is also known as (1R,3R)-3-[(1E)-3-methoxy-2-methyl-3-oxo-1-propen-1-yl]-2,2-dimethylcyclopropanecarboxylic acid (1S)-3-[(2Z)-2-buten-1-yl]-2-methyl-4-oxo-2-cyclopenten-1-yl ester, (1R,3R)-3-[(E)-3-methoxy-2-methyl-3-oxo-1-propenyl]-2,2-dimethylcyclopropanecarboxylic acid (S)-3-[(Z)-2-butenyl]-2-methyl-4-oxo-2-cyclopenten-1-yl and 3-(but-2-enyl)-2-methyl-4-oxocyclopent-2-enyl 2,2-dimethyl-3-(3-methoxy-2-methyl-3-oxoprop-1-enyl)cyclopropanecarboxylate. Key properties include a boiling point of 453.8ºC at 760mmHg, a density of 1.12g/cm3 and a flash point of 195.3ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

121-20-0

Jingsj CID

J-46529-6

Molecular Formula

C₂₁H₂₇O₅

Chinese Name

瓜叶菊素Ⅱ

Molecular Weight

359.43600 g/mol

Category

Organic Compounds

Last updated

8/21/2026