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1308505

USP

L-Histidine

United States Pharmacopeia (USP) Reference Standard

Synonym(s):

(S)-2-Amino-3-(4-imidazolyl)propionic acid, NSC 137773

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About This Item

Empirical Formula (Hill Notation):
C6H9N3O2
CAS Number:
Molecular Weight:
155.15
Beilstein/REAXYS Number:
84088
MDL number:
UNSPSC Code:
41116107
PubChem Substance ID:
NACRES:
NA.24

grade

pharmaceutical primary standard

API family

histidine

manufacturer/tradename

USP

mp

282 °C (dec.) (lit.)

application(s)

pharmaceutical (small molecule)

format

neat

SMILES string

N[C@@H](Cc1c[nH]cn1)C(O)=O

InChI

1S/C6H9N3O2/c7-5(6(10)11)1-4-2-8-3-9-4/h2-3,5H,1,7H2,(H,8,9)(H,10,11)/t5-/m0/s1

InChI key

HNDVDQJCIGZPNO-YFKPBYRVSA-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, has been developed and issued under the Authority of the issuing Ph

Application

This USP reference standard is intended for use in specified quality tests and assays.
Also used to prepare standard and system suitability solutions in the impurity analysis of histidine as described in the United States Pharmacopeia (USP) monograph.

Biochem/physiol Actions

Precursor of histamine by action of histidine decarboxylase.

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_germany

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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Histidine
USP43-NF38: United States Pharmacopeia and National Formulary
United States Pharmacopeia, 43(6), 2206-2206 (2020)

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