4-Epicommunic acid

4-表可木酸

Also known as: (1R,4aR,5S,8aR)-1,4a-Dimethyl-6-methylene-5-[(2E)-3-methyl-2,4-pentadien-1-yl]decahydro-1-naphthalenecarboxylic acid, 1-Naphthalenecarboxylic acid, decahydro-1,4a-dimethyl-6-methylene-5-[(2E)-3-methyl-2,4-pentadien-1-yl]-, (1R,4aR,5S,8aR)-

4-Epicommunic acid (CAS 83945-57-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C20H30O2 and a molecular weight of 302.451 g/mol. It is also known as (1R,4aR,5S,8aR)-1,4a-Dimethyl-6-methylene-5-[(2E)-3-methyl-2,4-pentadien-1-yl]decahydro-1-naphthalenecarboxylic acid and 1-Naphthalenecarboxylic acid, decahydro-1,4a-dimethyl-6-methylene-5-[(2E)-3-methyl-2,4-pentadien-1-yl]-, (1R,4aR,5S,8aR)-. Key properties include a boiling point of 414.0±34.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 199.8±20.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

83945-57-7

Jingsj CID

J-1023569-6

Molecular Formula

C₂₀H₃₀O₂

Chinese Name

4-表可木酸

Molecular Weight

302.451 g/mol

Category

Organic Acids

Last updated

8/21/2026