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Carminic acid

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Carminic acid

Molecular formula: C22H20O13 CAS# 1260-17-9
Categories: Phenolic acid , Glycoside , Dye , Quinone
Names
English:
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(IUPAC)
7-α-D-Glucopyranosyl-9,10-dihydro-3,5,6,8-tetrahydroxy-1-methyl-9,10-dioxoanthracenecarboxylic acid
C.I. 75470
C.I. Natural Red 4
Carmine
Carminic acid
Cochineal extract
Cochineal tincture
E120
Natural red 4
ST069339
Sanred 1
Sun Red 1
Русский:
7-D-глюкопиранозил-3,5,6,8-тетрагидрокси-1-метил-9,10-диоксоантрацен-2-карбоновая кислота(IUPAC)
Карминовая кислота
кошениловый карминовый
German:
7-β-D-Glucopyranosyl-9,10-dihydro- 3,5,6,8-tetrahydroxy-1-methyl-9,10- dioxoanthracencarbonsäure
Karminsäure
French:
Acide carminique
Carmins
Cochenille
Cochineal
Crimson Lake
Rouge cochenille
Español:
Ácido carmínico
Italiano:
Acido carminico
acido 7-α-D-glucopiranosil-9,10-diidro-3,5,6,8-tetraidrossi-1-metil-9,10- diossoantracenecarbossilico(IUPAC)

Variants of the formula:

|<\dOH>`/<|wOH>`\<`/dHO>`|<`\w`/HO>/O\/w\\<|OH>/`|/`|O|\|\<|>//<\|O`|/OH>`|</OH>`\\`/|`/|O`|`\`|`\<`|OH>`//<`\HO>|
/`|O|\|\<|OH>//<\OH>`|</`|O/<`|d/OH>\</wOH>|<\dOH>`/<|wOH>`\|dH>`\\<`|OH>`/|`/|O`|`\`|`\\<`|CH3>`/<`\HOOC>||<`/HO>\//
_(x-%a:.6,y-%h:1.2)O_(x-%b:1.4,y%d:.4)<`\`-HO>_(x-%c:1.2,y-%d)<_(A165)HO>_(x%a,y%h,w+)<_(A-165)HO>_(x%b,y-%d,w2)<_(A60)OH>_(x%c,y%d,w-)/\\<|OH>/`|/`|O|\|\<|>//<\|O`|/OH>`|</OH>`\\`/|`/|O`|`\`|`\<`|OH>`//<`\HO>|
_(x%a:.8,y-%h:.7)O_(x%b:1.2)<`|/OH>_(x%a,y%h)<|OH>_(x-%a,y%h,w+)<_(y-.8)HO>_(x-%b,w2)<_(y.7)OH>_(x-%a,y-%h,W-)`/|<\OH>`//<|OH>`\`|`\`|O|`/|`/`\\<`/HO>`|<`\HOOC>//<`|CH3>\|\|O`|/`|/<`|OH>\\
Elemental composition
Can't show the diagram.
Symbol Element Atomic weight Number of atoms Mass percent