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CAS 28957-04-2

CAS 28957-04-2 matches 0 EU annex records across Annex II–VI of Regulation 1223/2009.

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Chemical identity and properties

PubChem 2D chemical structure for CAS 28957-04-2
CAS 28957-04-2PubChem CID 5321010

Oridonin

Oridonin is an organic heteropentacyclic compound and ent-kaurane diterpenoid with formula C20H28O6 isolated from the leaves of the medicinal herb Rabdosia rubescens. It has a role as an antibacterial agent, an antineoplastic agent, an angiogenesis inhibitor, an anti-asthmatic agent, an apoptosis inducer and a plant metabolite. It is a secondary alcohol, an ent-kaurane diterpenoid, an organic heteropentacyclic compound, an enone and a cyclic hemiketal. — ChEBI

IUPAC name
(1S,2S,5S,8R,9S,10S,11R,15S,18R)-9,10,15,18-tetrahydroxy-12,12-dimethyl-6-methylidene-17-oxapentacyclo[7.6.2.15,8.01,11.02,8]octadecan-7-one
Molecular formula
C20H28O6
Molecular weight
364.4 g/mol
Exact mass
364.18858861 Da
XLogP3
0.1
Topological polar surface area
107.0 Ų
Hydrogen-bond donors
4
Hydrogen-bond acceptors
6
Covalent units
1
Defined stereocentres
9

Also known as

OridonineISODONOLlasidoninPURE ORIDONIN0APJ98UCLQNSC-250682CHEBI:138236Kaur-16-en-15-one, 7,20-epoxy-1,6,7,14-tetrahydroxy-, (1alpha,6beta,7alpha,14R)-
16 more reported names
(1S,2S,5S,8R,9S,10S,11R,15S,18R)-9,10,15,18-tetrahydroxy-12,12-dimethyl-6-methylidene-17-oxapentacyclo(7.6.2.15,8.01,11.02,8)octadecan-7-oneRefChem:168506(1S,2S,5S,8R,9R,10S,11R,15S,18R)-9,10,15,18-tetrahydroxy-12,12-dimethyl-6-methylidene-17-oxapentacyclo(7.6.2.15,8.01,11.02,8)octadecan-7-one631-100-89,10,15,18-tetrahydroxy-12,12-dimethyl-6-methylidene-17-oxapentacyclo(7.6.2.15,8.01,11.02,8)octadecan-7-oneRubescensin AUNII-0APJ98UCLQNSC 250682NSC-250682; IsodonolRubescensin;20-Epoxy-1-alpha,6-beta,7,14-tetrahydroxy-7-alph(14r)-kaur-16-en-15-on(14R)-7-alpha,20-Epoxy-1-alpha,6-beta,7,14-tetrahydroxykaur-16-en-15-oneOridonin (Standard)CS-0007086Curator_0000067a,20-Epoxy-1a,6b,7,14-tetrahydroxy-Kaur-16-en-15-one
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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.

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CAS 28957-04-2 is the Chemical Abstracts Service identifier used to pin this page to a specific substance. In the current dataset, 0 EU annex records share this identifier, which helps you cross-check whether the same substance appears under one regulatory context or several.

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