Skip to Content
Merck
All Photos(1)

Key Documents

1568506

USP

L-Proline

United States Pharmacopeia (USP) Reference Standard

Synonym(s):

(S)-Pyrrolidine-2-carboxylic acid

Sign Into View Organizational & Contract Pricing


About This Item

Empirical Formula (Hill Notation):
C5H9NO2
CAS Number:
Molecular Weight:
115.13
Beilstein:
80810
MDL number:
UNSPSC Code:
41116107
PubChem Substance ID:
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

Looking for similar products? Visit Product Comparison Guide

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.

Storage Class Code

13 - Non Combustible Solids

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’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Customers Also Viewed

Proline
USP43-NF38: United States Pharmacopeia and National Formulary
United States Pharmacopeia, 3711-3711 (2023)
Histidine
USP43-NF38: United States Pharmacopeia and National Formulary
United States Pharmacopeia, 49(3), 2206-2206 (2023)
Threonine
USP43-NF38: United States Pharmacopeia and National Formulary
United States Pharmacopeia, 4362-4362 (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
Anne Holmgren et al.
Journal of the peripheral nervous system : JPNS, 17(4), 365-376 (2013-01-03)
The intermediate filaments called neurofilaments (NFs) are the main cytoskeleton elements in neurons. They are mainly present in the adult axonal cytoskeleton, where they are extensively phosphorylated and their phosphorylation status is pivotal for their properties and functions. Specific phosphorylation

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service