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H7875

Sigma-Aldrich

DL-Histidine monohydrochloride monohydrate

≥99% (TLC)

Synonym(s):
DL-α-Amino-β-(4-imidazolyl)propionic acid monohydrochloride
Empirical Formula (Hill Notation):
C6H9N3O2 · HCl · H2O
CAS Number:
Molecular Weight:
209.63
Beilstein:
4161354
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.26

Quality Level

assay

≥99% (TLC)

form

powder

application(s)

ligand binding assay: suitable

color

white

mp

253 °C (dec.) (lit.)

SMILES string

O.Cl.NC(Cc1c[nH]cn1)C(O)=O

InChI

1S/C6H9N3O2.ClH.H2O/c7-5(6(10)11)1-4-2-8-3-9-4;;/h2-3,5H,1,7H2,(H,8,9)(H,10,11);1H;1H2

InChI key

CMXXUDSWGMGYLZ-UHFFFAOYSA-N

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Application

DL-Histidine is the mixed isomer of D- and L-histidine. DL-Histidine may be used to evaluate the efficiency of amino acid chiral ligand exchange media and systems and in running buffers for capillary electrophoresis.

Packaging

25, 100 g in poly bottle

Certificate of Analysis

Certificate of Origin

Worapan Pormsila et al.
Electrophoresis, 32(8), 884-889 (2011-03-12)
The quantification of plasma lactate and evaluation of the lactate threshold by CE with capacitively coupled contactless conductivity is demonstrated. The only sample preparation needed was deproteinization with a ACN/methanol mixture. A solution of 10 mmol/L 2-morpholinoethanesulfonic acid monohydrate, 10...
Qian Liu et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 15(38), 9889-9896 (2009-08-20)
Recently, amino acid ionic liquids (AAILs) have attracted much research interest. In this paper, we present the first application of AAILs in chiral separation based on the chiral ligand exchange principle. By using 1-alkyl-3-methylimidazolium L-proline (L-Pro) as a chiral ligand...
Mao Taketani et al.
Nature biotechnology, 38(8), 962-969 (2020-04-02)
Bacteroides thetaiotaomicron is a human-associated bacterium that holds promise for delivery of therapies in the gut microbiome1. Therapeutic bacteria would benefit from the ability to turn on different programs of gene expression in response to conditions inside and outside of...

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