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(-)-Alkannin

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(-)-Alkannin

Molecular formula: C16H16O5 CAS# 517-88-4
Categories: Aromatic hydrocarbon , Food coloring , Alcohol , Quinone
PubChem CID: 72521 | CHEMBL28457 | MolPort-006-069-191 | CB5450288
Names
English:
(-)-5,8-Dihydroxy-2-(1-hydroxy-4-methyl-3-pentenyl)-1,4-naphthoquinone
(-)-Alkannin
(1-Hydroxy-3-isohexenyl)naphthazarine
(S)-5,8-Dihydroxy-2-(1-hydroxy-4-methyl-3-pentenyl)-1,4-naphthalenedione
1,4-Naphthalenedione, 5,8-dihydroxy-2-[(1S)-1-hydroxy-4-methyl-3-penten-1-yl]-(CAS)
5,8-Dihydroxy-2-[(1S)-1-hydroxy-4-methyl-3-penten-1-yl]-1,4-naphthoquinone(IUPAC)
5,8-Dihydroxy-2-[(1S)-1-hydroxy-4-methylpent-3-en-1-yl]-1,4-naphthoquinone
5,8-dihydroxy-2-[(1S)-1-hydroxy-4-methylpent-3-en-1-yl]naphthalene-1,4-dione
5,8-dihydroxy-2-[(1S)-1-hydroxy-4-methylpent-3-enyl]naphthalene-1,4-dione(IUPAC)
Alkanna Red
Alkanna red (VAN)
Alkannin [Wiki]
Alkannin (VAN)
Anchusa acid
Anchusa acid (VAN)
Anchusin
Anchusin (VAN)
C.I. Natural Red 20
C.I. Natural Red 20 (VAN)
E103

Variants of the formula:

`/|O`|`\`//<|OH>`\`||/<`|OH>\\<|>/`|O|\||\<|dOH>/\//<`|CH3>\CH3
/<`|>\\/\<|wOH>/\|O`|/\\<|OH>/`||`\<`|OH>`//<|>`\`|O|`/||
Elemental composition
Can't show the diagram.
Symbol Element Atomic weight Number of atoms Mass percent