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USP

L-Proline

United States Pharmacopeia (USP) Reference Standard

Synonym(s):

(S)-Pyrrolidine-2-carboxylic acid

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About This Item

Empirical Formula (Hill Notation):
C5H9NO2
CAS Number:
147-85-3
Molecular Weight:
115.13
Beilstein:
80810
MDL number:
MFCD00064318
UNSPSC Code:
41116107
PubChem Substance ID:
329750968
NACRES:
NA.24

grade

pharmaceutical primary standard

API family

proline

manufacturer/tradename

USP

mp

228 °C (dec.) (lit.)

application(s)

pharmaceutical (small molecule)

format

neat

SMILES string

OC(=O)[C@@H]1CCCN1

InChI

1S/C5H9NO2/c7-5(8)4-2-1-3-6-4/h4,6H,1-3H2,(H,7,8)/t4-/m0/s1

InChI key

ONIBWKKTOPOVIA-BYPYZUCNSA-N

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General description

This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS 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.

Application

L-Proline USP reference standard suitable for use in specified USP compendial quality tests and assays.

Also used to prepare standard and system suitability solution during the impurity analysis by using thin layer chromatography according to the given below monographs of United States Pharmacopeia (USP): 
  • Proline  
  • Histidine  
  • Threonine

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.  ​

Other Notes

Sales restrictions may apply.

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Threonine
USP43-NF38: United States Pharmacopeia and National Formulary
United States Pharmacopeia, 4362-4362 (2023)
Histidine
USP43-NF38: United States Pharmacopeia and National Formulary
United States Pharmacopeia, 49(3), 2206-2206 (2023)
Proline
USP43-NF38: United States Pharmacopeia and National Formulary
United States Pharmacopeia, 3711-3711 (2023)
Daniel R Knight et al.
Applied and environmental microbiology, 81(1), 119-123 (2014-10-19)
Clostridium difficile is an important enteric pathogen of humans and the cause of diarrhea and enteritis in neonatal pigs. Outside Australia, prevalence in piglets can be up to 73%, with a single PCR ribotype (RT), 078, predominating. We investigated the
Marco Scocchi et al.
Cellular and molecular life sciences : CMLS, 68(13), 2317-2330 (2011-05-20)
Proline-rich antimicrobial peptides are a group of cationic host defense peptides of vertebrates and invertebrates characterized by a high content of proline residues, often associated with arginine residues in repeated motifs. Those isolated from some mammalian and insect species, although
View All Related Papers

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