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CAS 1778-02-5

CAS 1778-02-5 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 1778-02-5
CAS 1778-02-5PubChem CID 2723722

Pregnenolone Acetate

Pregnenolone acetate is a steroid ester. — ChEBI

IUPAC name
[(3S,8S,9S,10R,13S,14S,17S)-17-acetyl-10,13-dimethyl-2,3,4,7,8,9,11,12,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3-yl] acetate
Molecular formula
C23H34O3
Molecular weight
358.5 g/mol
Exact mass
358.25079494 Da
XLogP3
4.8
Topological polar surface area
43.4 Ų
Hydrogen-bond donors
0
Hydrogen-bond acceptors
3
Covalent units
1
Defined stereocentres
7

Also known as

0G0WWV404BEINECS 217-212-63beta-Hydroxypregn-5-en-20-one acetatePREGNENOLONE ACETATE [MI]NSC 64827NSC-64827PREGNENOLONE ACETATE [WHO-DD](1S,3aS,3bS,7S,9aR,9bS,11aS)-1-acetyl-9a,11a-dimethyl-1H,2H,3H,3aH,3bH,4H,6H,7H,8H,9H,9aH,9bH,10H,11H,11aH-cyclopenta[a]phenanthren-7-yl acetate
16 more reported names
(1S,3aS,3bS,7S,9aR,9bS,11aS)-1-acetyl-9a,11a-dimethyl-1H,2H,3H,3aH,3bH,4H,6H,7H,8H,9H,9aH,9bH,10H,11H,11aH-cyclopenta(a)phenanthren-7-yl acetateRefChem:868472PREGNENOLONE ACETATE [INCI]217-212-6AntofinPregn-5-en-20-one, 3-(acetyloxy)-, (3beta)-3beta-Acetoxy-5-pregnene-20-one5-Pregnen-3beta-ol-20-one acetateArtivisEnescorbPrevisone(3S,8S,9S,10R,13S,14S,17S)-17-acetyl-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl acetateSharmonePREGN-5-EN-20-ONE, 3-(ACETYLOXY)-, (3| cent)-Pregenolone acetatePregnenolone-3-acetate
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External database identifiers

Retrieved from NIH PubChem on 2026-09-02 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

Records for CAS 1778-02-5

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How CAS 1778-02-5 is used on this site

CAS 1778-02-5 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 1778-02-5 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.