Skip to Content
MilliporeSigma
All Photos(1)

Key Documents

More Documents

53340

Sigma-Aldrich

L-Histidine dihydrochloride

≥99.0% (AT)

Synonym(s):

L-Histidine hydrochloride (1:2)

Sign Into View Organizational & Contract Pricing
All Photos(1)

About This Item

Empirical Formula (Hill Notation):
C6H9N3O2 · 2HCl
CAS Number:
6027-02-7
Molecular Weight:
228.08
Beilstein/REAXYS Number:
6119230
EC Number:
227-890-5
MDL number:
MFCD00066569
UNSPSC Code:
12352209
PubChem Substance ID:
57651406
NACRES:
NA.26

product name

L-Histidine dihydrochloride, ≥99.0% (AT)

Quality Level

100

assay

≥99.0% (AT)

form

powder or crystals

optical activity

[α]20/D +6.5±1°, c = 8% in H2O

ign. residue

≤0.1% (as SO4)

color

white

mp

240-245 °C (dec.)

solubility

H2O: soluble
saline: soluble

anion traces

sulfate (SO42-): ≤50 mg/kg

cation traces

As: ≤0.1 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤5 mg/kg
NH4+: ≤500 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Zn: ≤5 mg/kg

SMILES string

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

InChI

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

InChI key

XEJCDBUNISUVGZ-XRIGFGBMSA-N

Biochem/physiol Actions

L-Histidine is a natural proteinogenic α amino acid useful as a cell growth supplement that support protein and peptide biosynthesis. L-Histidine is studied in a wide range of applications that involve imidazole chemistry and biochemisty.
L-Histidine is a positively charged imidazole-side chain containing α amino acid. It is metabolized to histamine and is a precursor of the dipeptide carnosine. As one of the 22 proteinogenic amino acids L-His is incorporated into proteins by translation processes in vitro. L-Histidine is an essential amino acid added to cell culture media.

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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

Slide 1 of 2

1 of 2

L-Histidine monohydrochloride monohydrate

SAFC

H4036

L-Histidine monohydrochloride monohydrate

L-Histidine

SAFC

H3911

L-Histidine

Kirsten Jung et al.
Current opinion in microbiology, 15(2), 118-124 (2011-12-17)
Two-component systems, composed of a histidine kinase (HK) and a response regulator (RR), are the major signal transduction devices in bacteria. Originally it was thought that these two components function as linear, phosphorylation-driven stimulus-response system. Here, we will review how
Sadao Wakabayashi et al.
Seminars in thrombosis and hemostasis, 37(4), 389-394 (2011-08-02)
Histidine-rich glycoprotein (HRG) is one of the major plasma proteins and thought to function in blood coagulation, fibrinolysis, and innate immune systems. The amino acid sequence of HRG revealed a multidomain structure consisting of cystatin-like domains 1 and 2, a
Ana Reis et al.
Analytical and bioanalytical chemistry, 399(8), 2779-2794 (2011-02-01)
The radical oxidation of isomeric peptides containing one reactive amino acid [histidine (H)] and another less reactive amino acid [glycine (G)] in the form of dipeptides (HG and GH) and tripeptides (HGG, GHG, and GGH) was studied by mass spectrometry
Amir Abbas Farshid et al.
Indian journal of pharmacology, 45(2), 126-129 (2013-05-30)
Cyclophosphamide (CP), a widely used antineoplastic drug causes hemorrhagic cystitis (HC) mainly via induction of oxidative stress. Both vitamin C and histidine have antioxidant properties. The present study aimed to investigate the effects of oral (p.o.) administration of vitamin C
Alan R Hipkiss
Journal of Alzheimer's disease : JAD, 11(2), 229-240 (2007-05-25)
Reactive oxygen species, reactive nitrogen species, copper and zinc ions, glycating agents and reactive aldehydes, protein cross-linking and proteolytic dysfunction may all contribute to Alzheimer's disease (AD). Carnosine (beta-alanyl-L-histidine) is a naturally-occurring, pluripotent, homeostatic agent. The olfactory lobe is normally
View All Related Papers

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