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CAS 53-16-7

CAS 53-16-7 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 53-16-7
CAS 53-16-7PubChem CID 5870

Estrone

IUPAC name
(8R,9S,13S,14S)-3-hydroxy-13-methyl-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthren-17-one
Molecular formula
C18H22O2
Molecular weight
270.4 g/mol
Exact mass
270.161979940 Da
XLogP3
3.1
Topological polar surface area
37.3 Ų
Hydrogen-bond donors
1
Hydrogen-bond acceptors
2
Covalent units
1
Defined stereocentres
4

Also known as

folliculinTheelinestrovarinThelykininKestroneKetohydroxyestrinEstrugenoneTokokin
16 more reported names
FollicunodisDisynformonGlandubolinHiestroneOestroformOestroperosEstronFemidynFolipexFolisanKolponMenagenOestrin1,3,5(10)-Estratrien-3-ol-17-oneEndofolliculinaAquacrine
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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 53-16-7

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How CAS 53-16-7 is used on this site

CAS 53-16-7 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 53-16-7 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.