(4aR,4bS,6aS,7S,9aS,9bS,9cS,10aS,10bR)-7-((R)-1-((R)-4,5-Dimethyl-6-oxo-3,6-dihydro-2H-pyran-2-yl)ethyl)-7,10b-dihydroxy-4a,6a-dimethyl-1,4a,4b,5,6,6a,7,8,9,9a,9b,9c,10a,10b-tetradecahydro-4H-cyclopenta[1,2]phenanthro[9,10-b]oxiren-4-one, 95%

cas: 27570-38-3 — see every product listed under this CAS number, including other names

(4aR,4bS,6aS,7S,9aS,9bS,9cS,10aS,10bR)-7-((R)-1-((R)-4,5-Dimethyl-6-oxo-3,6-dihydro-2H-pyran-2-yl)ethyl)-7,10b-dihydroxy-4a,6a-dimethyl-1,4a,4b,5,6,6a,7,8,9,9a,9b,9c,10a,10b-tetradecahydro-4H-cyclopenta[1,2]phenanthro[9,10-b]oxiren-4-one, 95% (CAS 27570-38-3) is a chemical reagent available from Chemat. Available pack sizes: 1mg, 5mg, 10mg. Offered by: Chemat.

• 2D
• 3D

Withanone is a steroid lactone.

Source: ChEBI

Identity

Molecular formula	C28H38O6
Molecular weight	470.6 g/mol
IUPAC name	(1S,2S,4S,5R,10R,11S,14S,15S,18S)-15-[(1R)-1-[(2R)-4,5-dimethyl-6-oxo-2,3-dihydropyran-2-yl]ethyl]-5,15-dihydroxy-10,14-dimethyl-3-oxapentacyclo[9.7.0.02,4.05,10.014,18]octadec-7-en-9-one
InChIKey	FAZIYUIDUNHZRG-PCTWTJKKSA-N
SMILES	CC1=C(C(=O)O[C@H](C1)[C@@H](C)[C@]2(CC[C@@H]3[C@@]2(CC[C@H]4[C@H]3[C@H]5[C@H](O5)[C@@]6([C@@]4(C(=O)C=CC6)C)O)C)O)C

Computed by PubChem (NCBI)

Synonyms: withanone, 6,7-epoxy-5,17-dihydroxy-1-oxowitha-2,24-dienolide, WITHANONE (CONSTITUENT OF ASHWAGANDHA ROOT), Withanone (Standard), Withanone, analytical standard, orb1681461, compound 11 [PMID: 30776236], (22R)-5|A,17|A-Dihydroxy-6|A,7|A

Isomers (same molecular formula)

ethyl 4-[10-(4-ethoxycarbonylphenoxy)decoxy]benzoate C₂₈H₃₈O₆

(1S,2S,4R,6R,8S,9S,11S,12S,13R)-6-cyclohexyl-11-hydroxy-8-(2-hydroxyacetyl)-9,13-dimethyl-5,7-dioxapentacyclo[10.8.0.02,9.04,8.013,18]icosa-14,17-dien-16-one C₂₈H₃₈O₆

(1S,2R,6S,7R,9R,11S,12S,15R,16S)-6-hydroxy-15-[(1S)-1-[(2R)-5-(hydroxymethyl)-4-methyl-6-oxo-2,3-dihydropyran-2-yl]ethyl]-2,16-dimethyl-8-oxapentacyclo[9.7.0.02,7.07,9.012,16]octadec-4-en-3-one C₂₈H₃₈O₆

(1S,2S,4S,5R,10R,11S,14R,15R,18S)-5-hydroxy-15-[(1S)-1-[(2R)-5-(hydroxymethyl)-4-methyl-6-oxo-2,3-dihydropyran-2-yl]ethyl]-10,14-dimethyl-3-oxapentacyclo[9.7.0.02,4.05,10.014,18]octadec-7-en-9-one C₂₈H₃₈O₆

(1S,2S,4S,5R,10R,11S,14S,15S,18S)-15-[(1R)-1-[(2R)-4,5-dimethyl-6-oxo-2,3-dihydropyran-2-yl]-1-hydroxyethyl]-5-hydroxy-10,14-dimethyl-3-oxapentacyclo[9.7.0.02,4.05,10.014,18]octadec-7-en-9-one C₂₈H₃₈O₆

[(1S,4S,6R,13S,14R,16R,18R)-5-hydroxy-3,8,8,15,15,18-hexamethyl-19-oxo-7,9-dioxapentacyclo[11.5.1.01,5.06,11.014,16]nonadeca-2,11-dien-4-yl] (Z)-2-methylbut-2-enoate C₂₈H₃₈O₆

(1S,2R,6R,7R,9R,11S,12S,15R,16S)-6-hydroxy-15-[(1S)-1-[(2R)-5-(hydroxymethyl)-4-methyl-6-oxo-2,3-dihydropyran-2-yl]ethyl]-2,16-dimethyl-8-oxapentacyclo[9.7.0.02,7.07,9.012,16]octadec-4-en-3-one C₂₈H₃₈O₆

methyl 4-[(5R,7S,10S,13R,14R,17R)-7-hydroxy-4,4,10,13,14-pentamethyl-3,11,15-trioxo-1,2,5,6,7,12,16,17-octahydrocyclopenta[a]phenanthren-17-yl]pent-4-enoate C₂₈H₃₈O₆

(1S,2R,6S,7R,9R,11S,12S,15S,16S)-15-[(1R)-1-[(2R)-4,5-dimethyl-6-oxo-2,3-dihydropyran-2-yl]-1-hydroxyethyl]-6-hydroxy-2,16-dimethyl-8-oxapentacyclo[9.7.0.02,7.07,9.012,16]octadec-4-en-3-one C₂₈H₃₈O₆