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CAS 56-12-2

CAS 56-12-2 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 56-12-2
CAS 56-12-2PubChem CID 119

Gamma-Aminobutyric Acid

Gamma-aminobutyric acid is a gamma-amino acid that is butanoic acid with the amino substituent located at C-4. It has a role as a neurotransmitter, a signalling molecule, a Saccharomyces cerevisiae metabolite and a human metabolite. It is a monocarboxylic acid and a gamma-amino acid. It is functionally related to a butyric acid. It is a conjugate acid of a gamma-aminobutyrate. It is a tautomer of a gamma-aminobutyric acid zwitterion. — ChEBI

IUPAC name
4-aminobutanoic acid
Molecular formula
C4H9NO2
Molecular weight
103.12 g/mol
Exact mass
103.063328530 Da
XLogP3
-3.2
Topological polar surface area
63.3 Ų
Hydrogen-bond donors
2
Hydrogen-bond acceptors
3
Covalent units
1
Defined stereocentres
0

Also known as

GABAPiperidic acidPiperidinic acidAminalonGaballonMielomadeGamarexGammalon
16 more reported names
GammarGammasolbutanoic acid, 4-amino-GammaloneButyric acid, 4-amino-gamma-Aminobutanoic acidImmu-Ggamma-amino-n-butyric acidGammageeGamulin4-aminobutyrategamma-Aminobuttersaeureomega-Aminobutyric acid4-aminobutanoateAminaloneFactor I
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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 56-12-2

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How CAS 56-12-2 is used on this site

CAS 56-12-2 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.

Use this page when a supplier specification, SDS or raw-material dossier gives you CAS 56-12-2 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.