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CAS 51756-08-2

CAS 51756-08-2 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 51756-08-2

CAS 51756-08-2PubChem CID 103534

Butanoic acid, 2-ethyl-3-oxo-, methyl ester

IUPAC name: methyl 2-ethyl-3-oxobutanoate

Molecular formula: C7H12O3
Molecular weight: 144.17 g/mol
Exact mass: 144.078644241 Da
XLogP3: 0.9
Topological polar surface area: 43.4 Å²
Hydrogen-bond donors: 0
Hydrogen-bond acceptors: 3
Covalent units: 1
Defined stereocentres: 0

Also known as

Methyl 2-ethylacetoacetateEINECS 257-381-3Methyl 2-ethyl-3-oxobutyrateRefChem:122088257-381-3YXLVLOWNJCOOAU-UHFFFAOYSA-N2-Ethyl-3-oxobutanoic acid, methyl estermethyl-2-ethylacetoacetate

11 more reported names

methyl acetylbutyratemethyl 2-acetylbutyratemethyl ethyl acetoacetateMethyl2-ethyl-3-oxobutanoatemethyl 2-ethyl-3-oxo-butyratemethyl 2-ethyl-3-oxo-butanoateMethyl 2-ethyl-3-oxobutanoate #DB-071402EN300-21229Methyl 2-ethylacetoacetate, >=97.0% (GC)F0001-1348

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External database identifiers

EPA DTXSID:DTXSID00871398

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 51756-08-2

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How CAS 51756-08-2 is used on this site

CAS 51756-08-2 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 51756-08-2 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.