CAS 1260-17-9 Carminic acid (E120) - Analytical Products / Alfa Chemistry

CAT	APS1260179
CAS	1260-17-9
Structure
Synonyms	2-Anthracenecarboxylic acid, 7-β-D-glucopyranosyl-9,10-dihydro-3,5,6,8-tetrahydroxy-1-methyl-9,10-dioxo-, E 120, Carmine 5297, Natural Red 2180, Sun Red No. 1, C.I. Natural Red 4, San Red 1, Carminic acid (6CI,8CI), C.I. 75470, Sun Red 1, 2-Anthroic acid, 7-D-glucopyranosyl-9,10-dihydro-3,5,6,8-tetrahydroxy-1-methyl-9,10-dioxo- (7CI), NSC 326224, Natural Red 4, 7-β-D-Glucopyranosyl-9,10-dihydro-3,5,6,8-tetrahydroxy-1-methyl-9,10-dioxo-2-anthracenecarboxylic acid, Cochineal Red PWD, E 120 (dye), San-Ei Gen San Red 1
IUPAC Name	3,5,6,8-tetrahydroxy-1-methyl-9,10-dioxo-7-[(2S,3R,4R,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]anthracene-2-carboxylic acid
Molecular Weight	492.39
Molecular Formula	C22H20O13
Canonical SMILES	Cc1c(C(=O)O)c(O)cc2C(=O)c3c(O)c(O)c([C@@H]4O[C@H](CO)[C@@H](O)[C@H](O)[C@H]4O)c(O)c3C(=O)c12
InChI	InChI=1S/C22H20O13/c1-4-8-5(2-6(24)9(4)22(33)34)13(25)10-11(15(8)27)16(28)12(18(30)17(10)29)21-20(32)19(31)14(26)7(3-23)35-21/h2,7,14,19-21,23-24,26,28-32H,3H2,1H3,(H,33,34)/t7-,14-,19+,20-,21+/m1/s1