Carnosic Acid

CAS	3650-09-7
Structure
Synonyms	Carnosic acid from Rosmarinus officinalis
IUPAC Name	(4aR,10aS)-5,6-dihydroxy-1,1-dimethyl-7-propan-2-yl-2,3,4,9,10,10a-hexahydrophenanthrene-4a-carboxylic acid
Molecular Weight	332.43
Molecular Formula	C20H28O4
Canonical SMILES	CC(C)C1=C(C(=C2C(=C1)CC[C@@H]3[C@@]2(CCCC3(C)C)C(=O)O)O)O
InChI	InChI=1S/C20H28O4/c1-11(2)13-10-12-6-7-14-19(3,4)8-5-9-20(14,18(23)24)15(12)17(22)16(13)21/h10-11,14,21-22H,5-9H2,1-4H3,(H,23,24)/t14-,20+/m0/s1
InChI Key	QRYRORQUOLYVBU-VBKZILBWSA-N
Boiling Point	506.4±50.0 °C
Melting Point	190 °C (lit.)
Purity	98%
Density	1.184±0.06 g/ml
pKa	4.14±0.4
Appearance	Yellow powder