1308505

L-Histidine

United States Pharmacopeia (USP) Reference Standard

• Synonym(s): (S)-2-Amino-3-(4-imidazolyl)propionic acid, NSC 137773
• Empirical Formula (Hill Notation): C₆H₉N₃O₂
• CAS Number: 71-00-1
• Molecular Weight: 155.15
• UNSPSC Code: 41116107
• NACRES: NA.24
• PubChem Substance ID: 329750006
• MDL number: MFCD00064315
• Beilstein/REAXYS Number: 84088
• eCl@ss: 32160406

Properties

• grade: pharmaceutical primary standard
• agency: USP
• API family: histidine
• manufacturer/tradename: USP
• mp: 282 °C (dec.) (lit.)
• application(s): pharmaceutical; 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

Description

General description

Find answers to frequently asked questions on USP products in USP FAQs.

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

ʟ-Histidine USP reference standard, intended for use in specified quality tests and assays as specified in the USP compendia. Also, for use with USP monograph such as Histidine

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.

Safety Information

• Storage Class: 11 - Combustible Solids
• WGK: WGK 1
• Flash Point (°F): Not applicable
• Flash Point (°C): Not applicable