CAS 85251-58-7PubChem CID 5208
(+-)-Shikonin
- IUPAC name
- 5,8-dihydroxy-2-(1-hydroxy-4-methylpent-3-enyl)naphthalene-1,4-dione
- Molecular formula
- C16H16O5
- Molecular weight
- 288.29 g/mol
- Exact mass
- 288.09977361 Da
- XLogP3
- 3.0
- Topological polar surface area
- 94.8 Ų
- Hydrogen-bond donors
- 3
- Hydrogen-bond acceptors
- 5
- Covalent units
- 1
- Defined stereocentres
- 0
Also known as
RefChem:905516SHIKALKINC.I. Natural Red 20(Rac)-Shikonin(+/-)-ShikoninARNEBIN-4(+/-)-Alkannin5,8-DIHYDROXY-2-(1-HYDROXY-4-METHYLPENT-3-EN-1-YL)NAPHTHALENE-1,4-DIONE
16 more reported names
KBioGR_000610C.I. 75530KBio3_001080HY-N6004QTL1_000075LS-144855,8-dihydroxy-2-(1-hydroxy-4-methyl-pent-3-enyl)naphthalene-1,4-dione1,4-Naphthalenedione, 5,8-dihydroxy-2-(1-hydroxy-4-methyl-3-pentenyl)- (9CI)1, 5,8-dihydroxy-2-(1-hydroxy-4-methyl-3-pentenyl)-, (S)-5,8-Dihydroxy-6-(1-hydroxy-4-methylpent-3-en-1-yl)naphthalene-1,4-dione(+-)-AlkanninC.I. 75535;Isoarnebin 4C.I. Natural Red 20 (VAN)1, 5,8-dihydroxy-2-(1-hydroxy-4-methyl-3-pentenyl)-, (-)-1, 5,8-dihydroxy-6-(1-hydroxy-4-methyl-3-pentenyl)-, (-)-natural red 20
External database identifiers
Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.