Carminic acid

CAS: 1260-17-9

Ref. 7W-GT8708

Product Information

• Name: Carminic acid
• Synonyms: Natural Red 4, (1R)-1,5-anhydro-1-(7-carboxy-1,3,4,6-tetrahydroxy-8-methyl-9,10-dioxo-9,10-dihydroanthracen-2-yl)-D-glucitol, (1R)-1,5-anhydro-1-(7-carboxylato-1,3,4,6-tetrahydroxy-8-methyl-9,10-dioxo-9,10-dihydroanthracen-2-yl)-D-glucitol, (1S)-1,5-anhydro-1-(7-carboxy-1,3,4,6-tetrahydroxy-8-methyl-9,10-dioxo-9,10-dihydroanthracen-2-yl)-D-glucitol, 1,5-Anhydro-1-(7-Carboxy-1,3,4,6-Tetrahydroxy-8-Methyl-9,10-Dioxo-9,10-Dihydroanthracen-2-Yl)Hexitol, 2-Anthracenecarboxylic acid, 7-β-<span class="text-smallcaps">D</span>-glucopyranosyl-9,10-dihydro-3,5,6,8-tetrahydroxy-1-methyl-9,10-dioxo-, 2-Anthracenecarboxylic acid, 7-β-D-glucopyranosyl-9,10-dihydro-3,5,6,8-tetrahydroxy-1-methyl-9,10-dioxo-, 2-Anthroic acid, 7-<span class="text-smallcaps">D</span>-glucopyranosyl-9,10-dihydro-3,5,6,8-tetrahydroxy-1-methyl-9,10-dioxo-, 2-Anthroic acid, 7-D-glucopyranosyl-9,10-dihydro-3,5,6,8-tetrahydroxy-1-methyl-9,10-dioxo-, 7-β-<span class="text-smallcaps">D</span>-Glucopyranosyl-9,10-dihydro-3,5,6,8-tetrahydroxy-1-methyl-9,10-dioxo-2-anthracenecarboxylic acid, 7-β-D-Glucopyranosyl-9,10-dihydro-3,5,6,8-tetrahydroxy-1-methyl-9,10-dioxo-2-anthracenecarboxylic acid, Acide carminique, Acido Carminico, Carmine 5297, Carmine Cochineal, Carmine Red E 120, Cochineal Red PWD, Creasperse Carmine CP 057, E 120, E 120 (dye), Karminsaure, Natural Red 2180, Nsc 326224, San Red 1, San-Ei Gen San Red 1, Sun Red 1, Sun Red No. 1, C.I. Natural Red 4, C.I. Natural red 4
• Brand: Glentham

Chemical properties

• Molecular weight: 492.39
• Formula: C₂₂H₂₀O₁₃
• Purity: ≥ 90.0%
• Color/Form: Red, dark red to orange or purple-brown crystalline powder
• 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
• InChI key: InChIKey=DGQLVPJVXFOQEV-HJAGCRLPSA-N
• SMILES: Cc1c(C(=O)O)c(O)cc2c1C(=O)c1c(O)c(C3OC(CO)[C@@H](O)C(O)[C@H]3O)c(O)c(O)c1C2=O