Pimaric acid

Pimaric acid

IUPAC name (1R,4aR,4bS,7S,10aR)-1,4a,7-Trimethyl-7-vinyl-3,4,4b,5,6,9,10,10a-octahydro-2H-phenanthrene-1-carboxylic acid
Identifiers
CAS number	127-27-5
PubChem	220338
Jmol-3D images	Image 1
SMILES C[C@]1(CC[C@H]2C(=C1)CC[C@@H]3[C@@]2(CCC[C@@]3(C)C(=O)O)C)C=C
Properties
Molecular formula	C₂₀H₃₀O₂
Molar mass	302.451
Y (verify) (what is: Y/N?) Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)
Infobox references

Pimaric acid is a carboxylic acid from the resin acid group. It can be prepared by dehydration of abietic acid, which it usually accompanies in mixtures like rosin. It is soluble in alcohols, acetone, and ethers.