Carminic Acid
[CAS# 476-39-1]

Identification

• Name: Carminic Acid
• Synonyms: 3,5,6,8-Tetrahydroxy-1-Methyl-9,10-Dioxo-7-[(2R,3R,4R,5S,6R)-3,4,5-Trihydroxy-6-(Hydroxymethyl)Tetrahydropyran-2-Yl]Anthracene-2-Carboxylic Acid; 3,5,6,8-Tetrahydroxy-1-Methyl-9,10-Dioxo-7-[(2R,3R,4R,5S,6R)-3,4,5-Trihydroxy-6-(Hydroxymethyl)-2-Tetrahydropyranyl]-2-Anthracenecarboxylic Acid; 3,5,6,8-Tetrahydroxy-9,10-Diketo-1-Methyl-7-[(2R,3R,4R,5S,6R)-3,4,5-Trihydroxy-6-Methylol-Tetrahydropyran-2-Yl]Anthracene-2-Carboxylic Acid
• Molecular Formula: C₂₂H₂₀O₁₃
• Molecular Weight: 492.39
• CAS Registry Number: 476-39-1
• SMILES: [C@H]4(C3=C(C1=C(C(C2=C(C1=O)C(=C(C(=C2)O)C(O)=O)C)=O)C(=C3O)O)O)O[C@@H]([C@H]([C@@H]([C@H]4O)O)O)CO
• 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: DGQLVPJVXFOQEV-NGOCYOHBSA-N

Properties

• Density: 1.87g/cm³ (Cal.)
• Boiling point: 907.601°C at 760 mmHg (Cal.)
• Flash point: 316.113°C (Cal.)