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CAS 7149-65-7

CAS 7149-65-7 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 7149-65-7

CAS 7149-65-7PubChem CID 2724446

Ethyl 5-oxo-L-prolinate

IUPAC name: ethyl (2S)-5-oxopyrrolidine-2-carboxylate

Molecular formula: C7H11NO3
Molecular weight: 157.17 g/mol
Exact mass: 157.07389321 Da
XLogP3: -0.1
Topological polar surface area: 55.4 Å²
Hydrogen-bond donors: 1
Hydrogen-bond acceptors: 3
Covalent units: 1
Defined stereocentres: 1

Also known as

RefChem:595835Ethyl L-pyroglutamateL-Pyroglutamic acid ethyl esterEthyl pidolateEthyl (S)-(+)-2-pyrrolidone-5-carboxylate(S)-ethyl 5-oxopyrrolidine-2-carboxylateH-Pyr-OEt(S)-(+)-5-Ethylcarboxyl-2-pyrrolidinone

16 more reported names

Ethyl pyroglutamate1PS59ES316Ethyl (S)-5-oxopyrrolidine-2-carboxylate(+)-L-Pyroglutamic acid ethyl esterpyroglutamic acid ethyl esterUNII-1PS59ES316NSC-72279NSC-166529EINECS 230-480-9NSC 72279NSC 166529ETHYL PCAETHYL (S)-PYROGLUTAMATEL-Proline, 5-oxo-, ethyl esterAC-708Ethyl 5-oxo-2-pyrrolidinecarboxylate

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External database identifiers

ChEMBL:CHEMBL4229168
EPA DTXSID:DTXSID201303392
PubMed:19673381

Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

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CAS 7149-65-7 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 7149-65-7 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.