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CAS 625-72-9

CAS 625-72-9 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 625-72-9
CAS 625-72-9PubChem CID 92135

3-Hydroxybutanoic acid, (R)-

(R)-3-hydroxybutyric acid is the R-enantiomer of 3-hydroxybutyric acid. Involved in the synthesis and degradation of ketone bodies, it can be used as an energy source by the brain during hypoglycaemia, and for the synthesis of biodegradable plastics. It is a sex pheremone in the European spider Linyphia triangularis. It has a role as a pheromone, a fungal metabolite and a human metabolite. It is a 3-hydroxybutyric acid and a ketone body. It is a conjugate acid of a (R)-3-hydroxybutyrate. It is an enantiomer of a (S)-3-hydroxybutyric acid. — ChEBI

IUPAC name
(3R)-3-hydroxybutanoic acid
Molecular formula
C4H8O3
Molecular weight
104.10 g/mol
Exact mass
104.047344113 Da
XLogP3
-0.5
Topological polar surface area
57.5 Ų
Hydrogen-bond donors
2
Hydrogen-bond acceptors
3
Covalent units
1
Defined stereocentres
1

Also known as

(R)-3-Hydroxybutyric acidButanoic acid, 3-hydroxy-, (3R)-3-D-hydroxybutyric acid(-)-beta-Hydroxybutyrate, D-b-Hydroxybutyrate148ULJ1DF4EINECS 210-909-6CHEBI:17066
16 more reported names
3-HYDROXYBUTYRIC ACID, (R)3-HYDROXYBUTYRIC ACID, (R)-D-(-)-.BETA.-HYDROXYBUTYRIC ACID.BETA.-HYDROXYBUTYRIC ACID L-FORM [MI]3-hydroxy-butyrateRefChem:502534D-(-)-beta-HYDROXYBUTYRIC ACIDBETA-HYDROXYBUTYRIC ACID L-FORM210-909-6(R)-3-Hydroxybutanoic acid(R)-3-HydroxybutanoateD-3-hydroxybutyric acid(R)-(-)-3-Hydroxybutyric acidD-(-)-3-hydroxybutyrate(R)-(-)-beta-Hydroxybutyric aciddelta-3-hydroxybutyrate
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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 625-72-9

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How CAS 625-72-9 is used on this site

CAS 625-72-9 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 625-72-9 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.