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CAS 55901-20-7

CAS 55901-20-7 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 55901-20-7

CAS 55901-20-7PubChem CID 91919

DL-Proline, 5-oxo-, compd. with 2,2',2''-nitrilotris(ethanol) (1:1)

IUPAC name: 2-[bis(2-hydroxyethyl)amino]ethanol;5-oxopyrrolidine-2-carboxylic acid

Molecular formula: C11H22N2O6
Molecular weight: 278.30 g/mol
Exact mass: 278.14778643 Da
Topological polar surface area: 130.0 Å²
Hydrogen-bond donors: 5
Hydrogen-bond acceptors: 7
Covalent units: 2
Defined stereocentres: 0

Also known as

TEA-PCAEINECS 259-883-8DL-2-Pyrrolidone-5-carboxylic acid, triethanolamine saltTriethanolamine-dl-2-pyrrolidone-5-carboxylateRefChem:5899772-(bis(2-hydroxyethyl)amino)ethanol; 5-oxopyrrolidine-2-carboxylic acidWHDZFABLYCTYDP-UHFFFAOYSA-N5-Oxo-DL-proline, compound with 2,2',2''-nitrilotriethanol (1:1)

2 more reported names

DL-Proline, 5-oxo-, compd. with 2,2',2'-nitrilotris(ethanol) (1:1)5-Hydroxy-3,4-dihydro-2H-pyrrole-2-carboxylic acid--2,2',2''-nitrilotri(ethan-1-ol) (1/1)

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External database identifiers

EPA DTXSID:DTXSID60971303

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 55901-20-7 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.

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