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Curcumin

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Curcumin

Molecular formula: C21H20O6 CAS# 458-37-7
Categories: Phenols , Ketone , Food coloring , pH indicator
PubChem CID: 969516 | ChemSpider ID: 839564 | CHEBI:3962 | CHEMBL140 | MolPort-001-763-682 | CB4183426
7.4 ⇌ 9.2 10.2 ⇌ 11.8 pH
Names
English:
(1E,6E)-1,7-Bis(4-hydroxy-3-methoxyphenyl)-1,6-heptadiene-3,5-dione(IUPAC)
(1E,6E)-1,7-bis(4-hydroxy-3-methoxyphenyl)hepta-1,6-diene-3,5-dione(IUPAC)
1,6-Heptadiene-3,5-dione, 1,7-bis(4-hydroxy-3-methoxyphenyl)-, (1E,6E)-(CAS)
C.I. 75300
Curcuma
Curcumin [Wiki]
Diferuloylmethane
E100
EINECS:207-280-5
Gelbwurz
Haldar
Kacha haldi
Natural yellow 3
Souchet
Turmeric
Turmeric yellow

Variants of the formula:

`/`\\<`/O|CH3>`|<`\HO>//\||\//\|O`|/\|O`|/\\/`||/\\</OH>|<\O|CH3>`//`\
|`//<|O`/H3C>`\<`/HO>`||/\\/\\/`|O|\<|0"Keto form">/`|O|\//\/\\|<\OH>`//<|O\CH3>`\`||
|`//<|O`/H3C>`\<`/HO>`||/\\/\\/`|O|\<|0"Enol form">//<`|OH>\//\/\\|<\OH>`//<|O\CH3>`\`||
Elemental composition
Can't show the diagram.
Symbol Element Atomic weight Number of atoms Mass percent