2,3-O-Isopropylidenyl euscaphic acid

2,3-O-异亚丙基刺梨酸

Also known as: 2,3-O-Isopropylidenyl euscaphic acid, Euscaphic acid acetonide, Urs-12-en-28-oic acid, 19-hydroxy-2,3-[(1-methylethylidene)bis(oxy)]-, (2α,3α)-, (1R,2R,4aS,6aS,6bR,8aR,9aS,12aR,13aR,13bR,15bS)-1-hydroxy-1,2,6a,6b,9,9,11,11,13a-nonamethyl-1,3,4,5,6,6a,6b,7,8,8a,9,9a,12a,13,13a,13b,14,15b-octadecahydropiceno[2,3-d][1,3]dioxole-4a(2H)-carboxylic acid, Piceno[2,3-d][1,3]dioxole-4a(2H)-carboxylic acid, 1,3,4,5,6,6a,6b,7,8,8a,9,9a,12a,13,13a,13b,14,15b-octadecahydro-1-hydroxy-1,2,6a,6b,9,9,11,11,13a-nonamethyl-, (1R,2R,4aS,6aS,6bR,8aR,9aS,12aR,13aR,13bR,15bS)-

2,3-O-Isopropylidenyl euscaphic acid (CAS 220880-90-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C33H52O5 and a molecular weight of 528.763 g/mol. It is also known as Euscaphic acid acetonide, Urs-12-en-28-oic acid, 19-hydroxy-2,3-[(1-methylethylidene)bis(oxy)]-, (2α,3α)- and (1R,2R,4aS,6aS,6bR,8aR,9aS,12aR,13aR,13bR,15bS)-1-hydroxy-1,2,6a,6b,9,9,11,11,13a-nonamethyl-1,3,4,5,6,6a,6b,7,8,8a,9,9a,12a,13,13a,13b,14,15b-octadecahydropiceno[2,3-d][1,3]dioxole-4a(2H)-carboxylic acid. Key properties include a boiling point of 606.1±55.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 184.6±25.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

220880-90-0

Jingsj CID

J-1956531-0

Molecular Formula

C₃₃H₅₂O₅

Chinese Name

2,3-O-异亚丙基刺梨酸

Molecular Weight

528.763 g/mol

Category

Organic Acids

Last updated

8/21/2026