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CAS 28874-51-3

CAS 28874-51-3 matches 0 EU annex records across Annex II–VI of Regulation 1223/2009.

Chemical identity and properties

PubChem 2D chemical structure for CAS 28874-51-3
CAS 28874-51-3PubChem CID 23668602

Sodium Pidolate

IUPAC name
sodium (2S)-5-oxopyrrolidine-2-carboxylate
Molecular formula
C5H6NNaO3
Molecular weight
151.10 g/mol
Exact mass
151.02453734 Da
Topological polar surface area
69.2 Ų
Hydrogen-bond donors
1
Hydrogen-bond acceptors
3
Covalent units
2
Defined stereocentres
1

Also known as

Sodium L-pyroglutamateSodium pyroglutamateL-Proline, 5-oxo-, monosodium saltL-5-Oxoproline monosodium saltSodium pyrrolidone-5-carboxylate5-Oxo-L-proline monosodium saltSodium L-pyrrolidonecarboxylateEINECS 249-277-1
16 more reported names
UNII-1V74VH163TProline, 5-oxo-, monosodium salt, L-PDSI 1011V74VH163TL-SODIUM PIDOLATESODIUM PIDOLATE [WHO-DD]EC 249-277-1Pidolate SodiumRefChem:184083249-277-12-Pyrrolidone-5-Carboxylic Acid Sodium SaltSodium 5-oxo-L-prolinateProline, 5-oxo-, monosodium saltSodium (S)-5-oxopyrrolidine-2-carboxylateSodium L-Pyroglutamate (Technical Grade)sodium;(2S)-5-oxopyrrolidine-2-carboxylate
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 28874-51-3

0 total
No records found for this CAS number.

How CAS 28874-51-3 is used on this site

CAS 28874-51-3 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 28874-51-3 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.