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CAS 21321-88-0

CAS 21321-88-0 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 21321-88-0
CAS 21321-88-0PubChem CID 14263442

Pregnadienol

pregnadienol has been reported in Muricea californica and Eunicella cavolini with data available. — LOTUS - the natural products occurrence database

IUPAC name
(3S,8S,9S,10R,13R,14S,17R)-17-ethenyl-10,13-dimethyl-2,3,4,7,8,9,11,12,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3-ol
Molecular formula
C21H32O
Molecular weight
300.5 g/mol
Exact mass
300.245315640 Da
XLogP3
5.6
Topological polar surface area
20.2 Ų
Hydrogen-bond donors
1
Hydrogen-bond acceptors
1
Covalent units
1
Defined stereocentres
7

Also known as

Muricin aglyconePregna-5,20-dien-3beta-ol5Y7P8234P5UNII-5Y7P8234P5Pregna-5,20-dien-3-ol, (3beta)-PREGNA-5,20-DIEN-3.BETA.-OLPREGNA-5,20-DIEN-3-OL, (3.BETA.)-(3S,8S,9S,10R,13R,14S,17R)-17-ethenyl-10,13-dimethyl-2,3,4,7,8,9,11,12,14,15,16,17-dodecahydro-1H-cyclopenta(a)phenanthren-3-ol
3 more reported names
RefChem:175833PREGNADIENOL [INCI]AXSZNOPJKXHJAB-UZCUGSDUSA-N
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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.

Records for CAS 21321-88-0

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How CAS 21321-88-0 is used on this site

CAS 21321-88-0 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.

Use this page when a supplier specification, SDS or raw-material dossier gives you CAS 21321-88-0 and you need to see every linked Annex II–VI record in one place. The entry cards above are the quickest route to concentration limits, warnings, annex placement and product-type conditions.