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Merck
CN

1589029

USP

Pyroglutamic Acid

United States Pharmacopeia (USP) Reference Standard

Synonym(s):

L-Pyroglutamic acid, (S)-(−)-2-Pyrrolidone-5-carboxylic acid, (S)-5-Oxo-2-pyrrolidinecarboxylic acid

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About This Item

Empirical Formula (Hill Notation):
C5H7NO3
CAS Number:
98-79-3
Molecular Weight:
129.11
UNSPSC Code:
41116107
NACRES:
NA.24
PubChem Substance ID:
329751000
MDL number:
MFCD00005272
Beilstein/REAXYS Number:
82132

Key Documents

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Product Name

Pyroglutamic Acid, United States Pharmacopeia (USP) Reference Standard

InChI

1S/C5H7NO3/c7-4-2-1-3(6-4)5(8)9/h3H,1-2H2,(H,6,7)(H,8,9)/t3-/m0/s1

SMILES string

OC(=O)[C@@H]1CCC(=O)N1

InChI key

ODHCTXKNWHHXJC-VKHMYHEASA-N

grade

pharmaceutical primary standard

API family

pyroglutamic acid

manufacturer/tradename

USP

mp

160-163 °C (lit.)

application(s)

pharmaceutical

format

neat

storage temp.

2-8°C

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Analysis Note

These products are for test and assay use only. They are not meant for administration to humans or animals and cannot be used to diagnose, treat, or cure diseases of any kind.  ​

General description

This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including MSDS and any product information leaflets have been developed and issued under the Authority of the issuing Pharmacopoeia.
For further information and support please go to the website of the issuing Pharmacopoeia.

Other Notes

Sales restrictions may apply.
USP issued SDS can be found here.

pictograms

Corrosion
GHS05

signalword

Danger

hcodes

H318,H412

Hazard Classifications

Aquatic Chronic 3 - Eye Dam. 1

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

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