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Identify Suppliers 2025 Properties Safty

(R)-(+)-2-Pyrrolidinone-5-carboxylic acid

BGC Id:	870571054458
CAS No:	4042-36-8
Synonyms:	h-d-pyr-oh ; d-proline, 5-oxo- ; d-pyroglutamic ; d-5-oxoproline ; (r)-5-oxoproline ; h-d-pglu-oh ; 5-oxo-d-proline ; 5-oxo-d-prolin ; d- pglu-oh ; d-pyr-oh
Molecular Formula:	C5H7NO3
Molecular Weight:	129.11
EINECS:	223-735-0

Verified providers in 2025

The following notable provider has been checked and can be recommended.

BuGuCh & Partners

Tipo de compañía: Producer

País: Germany

We, BuGuCh & Partners, are an international acting and innovative company, leading in developing and manufacturing. We operates major facilities in North America, Europe and the Pacific Rim, as well as facilities in China, Japan and Saudi Arabia operated through joint ventures. We maintain independently or are partners of some production site ...

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What other providers are available for CAS 4042-36-8?

The last intensive check and update was carried out on 2025/05/30.

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Synonyms:

h-d-pyr-oh ; d-proline, 5-oxo- ; d-pyroglutamic ; d-5-oxoproline ; (r)-5-oxoproline ; h-d-pglu-oh ; 5-oxo-d-proline ; 5-oxo-d-prolin ; d- pglu-oh ; d-pyr-oh

CAS:

4042-36-8

EINECS:

223-735-0

Molecular Formula:

C5H7NO3

MDL:

MFCD00066212

Properties

Molecular Weight:

129.11 g·mol−1

Melting point:

155-162 °C

Safety Information

Hazard Symbols: Xi

Europe standard Hazard pictograms, code and definition

Hazard Classes:

Risk Codes:

36/37/38 (R)

Safety Codes:

26-36-37/39 (S)

WGK Germany:

Storage temperature:

Store at 0-5 °C

The following providers cannot be verified precisely. The companies have offered the product in the past, but despite all care, the companies could not confirm it 100 percent!

Santa Cruz Biotechnology, Inc.

Santa Cruz Biotechnology, Inc. now offers over 140,000 specialty biochemicals under our ChemCruz™ brand. Santa Cruz Biotechnology, Inc. is focused... Request

What other providers are available for CAS 4042-36-8?

In addition to the providers presented here for (R)-(+)-2-Pyrrolidinone-5-carboxylic acid with the CAS number 4042-36-8, there are other 93 providers with slightly different product names available for this CAS number.

H-D-Pyr-OH

Carbone Scientific Co., Ltd. | BLD Pharmatech Ltd | Iris Biotech GmbH +7 additional providers that we know from the past

5-Oxo-D-proline

Shandong SanYoung Industry Co., Ltd +4 additional providers that we know from the past

Cesium tartrate

Leap Chem Co., Ltd +1 additional providers that we know from the past

D-Pyroglutamic acid

R-2-Pyrrolidone-5-carboxylic acid

Iris Biotech GmbH +4 additional providers that we know from the past

(2R)-5-Oxopyrrolidine-2-carboxylic acid

+4 additional providers that we know from the past

D-Pyroglutamic acid, (R)-2-Pyrrolidone-5-carboxylic acid, (R)-5-Oxo-2-pyrrolidinecarboxylic acid