Carminic Acid, >70%

cas: 1260-17-9 — see every product listed under this CAS number, including other names

Carminic Acid, >70% (CAS 1260-17-9) is a chemical reagent available from Chemat. Available pack sizes: 1g, 250mg, 5g. Offered by: TRC.

brandTRC
catalog numberTRC-C183620-1G
cas1260-17-9
size1g
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Carminic acid is a tetrahydroxyanthraquinone that is that is 1,3,4,6-tetrahydroxy-9,10-anthraquinone substituted by a methyl group at position 8, a carboxy group at position 7 and a 1,5-anhydro-D-glucitol moiety at position 2 via a C-glycosidic linkage. It is a natural dye isolated from several insects such as Dactylopius coccus. It has a role as an animal metabolite and a histological dye. It is a C-glycosyl compound, a monocarboxylic acid and a tetrahydroxyanthraquinone. It is a conjugate acid of a carminate(2-).

Source: ChEBI

Identity
Molecular formulaC22H20O13
Molecular weight492.4 g/mol
IUPAC name3,5,6,8-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
InChIKeyDGQLVPJVXFOQEV-JNVSTXMASA-N
SMILESCC1=C2C(=CC(=C1C(=O)O)O)C(=O)C3=C(C2=O)C(=C(C(=C3O)O)[C@H]4[C@@H]([C@H]([C@@H]([C@H](O4)CO)O)O)O)O

Computed by PubChem (NCBI)

Synonyms: CARMINIC ACID, Natural red 4, Cochineal tincture, Sun Red No. 1, Sanred 1, CI Natural Red 4, Sun Red 1, San-Ei Gen San Red 1, C.I. Natural red 4, E 120 (dye)
Related forms of this compound
3,5,6,8-tetrahydroxy-1-methyl-9,10-dioxo-7-[(2R,3R,4R,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]anthracene-2-carboxylic acid C22H20O13
Isomers (same molecular formula)
(2S,3S,4S,5R,6S)-6-[2-(3,4-dihydroxyphenyl)-5-hydroxy-3-methoxy-4-oxochromen-7-yl]oxy-3,4,5-trihydroxyoxane-2-carboxylic acid C22H20O13
(2S,3S,4S,5R,6S)-6-[5,7-dihydroxy-2-(4-hydroxy-3-methoxyphenyl)-4-oxochromen-3-yl]oxy-3,4,5-trihydroxyoxane-2-carboxylic acid C22H20O13
6-hydroxy-7,14-dimethoxy-13-[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-2,9-dioxatetracyclo[6.6.2.04,16.011,15]hexadeca-1(15),4,6,8(16),11,13-hexaene-3,10-dione C22H20O13

Also listed as

Carminic acid, 98% AmBeed CAS 1260-17-9
Carminic acid (E120) Dr. Ehrenstorfer CAS 1260-17-9
Carminic acid (E120) 100 µg/mL in Acetonitrile:Methanol Dr. Ehrenstorfer CAS 1260-17-9
Cochineal GLPBio CAS 1260-17-9
Carminic acid/ 99.94% (existing batch purity) TargetMol CAS 1260-17-9
Carminic acid, 90.00% Chemat CAS 1260-17-9
Carminic Acid (Natural dye) TCI CAS 1260-17-9
Carminic acid Biosynth CAS 1260-17-9
Carminic acid, 70-90% Thermo Scientific (Acros) CAS 1260-17-9
3,5,6,8-Tetrahydroxy-1-methyl-9,10-dioxo-7-((2S,3R,4R,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)-9,10-dihydroanthracene-2-carboxylic acid, 85%+(HPLC),RG, 85%+(HPLC),RG Chemat CAS 1260-17-9
Carminic acid, 95.19% MedChemExpress CAS 1260-17-9
Carminic acid (Standard), 95.00% MedChemExpress CAS 1260-17-9