Substance
ID:351475
Names and Identifiers
Synonyms
(S)-2-Amino-3-(4-imidazolyl)propionic acidL-Histidine(S)-2-氨基-3-(4-咪唑基)丙酸L-组氨酸
IUPAC name
(2S)-2-amino-3-(1H-imidazol-4-yl)propanoic acid
IUPAC Traditional name
L-histidin
Registration numbers
EC Number
PubChem SID
CAS Number
MDL Number
Beilstein Number
Properties
Product Information
Cation Traces
Ca: ≤10 mg/kg
Al: ≤5 mg/kg
Bi: ≤5 mg/kg
K: ≤50 mg/kg
Mg: ≤5 mg/kg
Co: ≤5 mg/kg
Na: ≤50 mg/kg
Zn: ≤5 mg/kg
Ba: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤5 mg/kg
Cr: ≤5 mg/kg
Ni: ≤5 mg/kg
Mo: ≤5 mg/kg
Pb: ≤5 mg/kg
Sr: ≤5 mg/kg
As: ≤0.1 mg/kg
Cd: ≤5 mg/kg
Li: ≤5 mg/kg
Mn: ≤5 mg/kg
NH4+: ≤500 mg/kg
Product Line
BioUltra
Empirical Formula (Hill Notation)
C6H9N3O2
Impurities
≤0.5% foreign amino acids
insoluble matter, passes filter test
Ignition Residue
≤0.1% (as SO4)
Loss on Drying
≤0.5% loss on drying, 110 °C
Purity
≥99.5% (NT)
Antion Traces
chloride (Cl-): ≤100 mg/kg
sulfate (SO42-): ≤100 mg/kg
λ
0.1 M in H2O
Physical Property
Melting Point
~285 °C (dec.)
282 °C (dec.)(lit.)
Absorption Wavelength
λ: 280 nm Amax: 0.05
λ: 260 nm Amax: 0.05
Optical Rotation
[α]20/D -39±1°, c = 2% in H2O
Solubility
H2O: soluble0.1 M at 20 °C, clear, colorless
pH
7.0-8.0 (25 °C, 0.1 M in H2O)
Safety Information
RTECS
MS3070000
MSDS Link
Personal Protective Equipment
Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
German water hazard class
1
Pharmacology Properties
Gene Information
human ... CA1(759), CA2(760)
Molecule Details
Biochem/physiol Actions
Precursor of histamine by action of histidine decarboxylase.
Other Notes
Amino acid spacing in isotachophoresis on polyacrylamide gels - a critical evaluation1; Prevents circular DNA strand cleavage in a xanthine-xanthine oxidase system2; Growth requirement of various microorganisms3.
Precursor of histamine by action of histidine decarboxylase.
Other Notes
Amino acid spacing in isotachophoresis on polyacrylamide gels - a critical evaluation1; Prevents circular DNA strand cleavage in a xanthine-xanthine oxidase system2; Growth requirement of various microorganisms3.
Molecular Spectra
No Data Available
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References
No Data Available
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