Carminic acid

CAS Registry Number®

1260-17-9
No image available.

CAS Name

Carminic acid

Molecular Formula

C22H20O13

Molecular Mass

492.39

Cite this Page

Carminic acid.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/ChemicalDetail.aspx?ref=1260-17-9 (retrieved 2024-07-14) (CAS RN: 1260-17-9).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Melting Point (1)

    136 °C (decomp)

Source(s)

  • (1) Hazardous Substances Data Bank data were obtained from the National Library of Medicine (US)

Other Names and Identifiers

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

InChIKey

InChIKey=DGQLVPJVXFOQEV-JNVSTXMASA-N

SMILES

O=C1C=2C(C(=O)C=3C1=C(C)C(C(O)=O)=C(O)C3)=C(O)C(O)=C(C2O)[C@@H]4O[C@H](CO)[C@@H](O)[C@H](O)[C@H]4O

Canonical SMILES

O=C(O)C1=C(O)C=C2C(=O)C3=C(O)C(O)=C(C(O)=C3C(=O)C2=C1C)C4OC(CO)C(O)C(O)C4O

Other Names for this Substance

  • 2-Anthracenecarboxylic acid, 7-β-D-glucopyranosyl-9,10-dihydro-3,5,6,8-tetrahydroxy-1-methyl-9,10-dioxo-
  • Carminic acid
  • 2-Anthroic acid, 7-D-glucopyranosyl-9,10-dihydro-3,5,6,8-tetrahydroxy-1-methyl-9,10-dioxo-
  • 7-β-D-Glucopyranosyl-9,10-dihydro-3,5,6,8-tetrahydroxy-1-methyl-9,10-dioxo-2-anthracenecarboxylic acid
  • C.I. Natural Red 4

Deleted or Replaced CAS Registry Numbers

476-39-1, 632-55-3, 1389-34-0, 16667-06-4, 37349-49-8, 131802-72-7