L-Histidine

• Catalog No.: 53319
• CAS Number: 71-00-1
• M. F.: C6H9N3O2
• M. W.: 155.15456
• Purity: ≥99.5% (NT)

SYNONYMS

• Title: L-组氨酸
• IUPAC name: (2S)-2-amino-3-(1H-imidazol-4-yl)propanoic acid
• IUPAC Traditional name: L-histidin
• Synonyms: (S)-2-氨基-3-(4-咪唑基)丙酸; (S)-2-Amino-3-(4-imidazolyl)propionic acid

DATABASE IDS

• Beilstein Number: 84088
• EC Number: 200-745-3
• MDL Number: MFCD00064315
• CAS Number: 71-00-1
• PubChem SID: 24877543

PROPERTIES

• Antion Traces: chloride (Cl-): ≤100 mg/kg
• Antion Traces: sulfate (SO42-): ≤100 mg/kg
• Cation Traces: Al: ≤5 mg/kg
• Cation Traces: As: ≤0.1 mg/kg
• Cation Traces: Ba: ≤5 mg/kg
• Cation Traces: Bi: ≤5 mg/kg
• Cation Traces: Ca: ≤10 mg/kg
• Cation Traces: Cd: ≤5 mg/kg
• Cation Traces: Co: ≤5 mg/kg
• Cation Traces: Cr: ≤5 mg/kg
• Cation Traces: Cu: ≤5 mg/kg
• Cation Traces: Fe: ≤5 mg/kg
• Cation Traces: K: ≤50 mg/kg
• Cation Traces: Li: ≤5 mg/kg
• Cation Traces: Mg: ≤5 mg/kg
• Cation Traces: Mn: ≤5 mg/kg
• Cation Traces: Mo: ≤5 mg/kg
• Cation Traces: NH4+: ≤500 mg/kg
• Cation Traces: Na: ≤50 mg/kg
• Cation Traces: Ni: ≤5 mg/kg
• Cation Traces: Pb: ≤5 mg/kg
• Cation Traces: Sr: ≤5 mg/kg
• Cation Traces: Zn: ≤5 mg/kg
• Empirical Formula (Hill Notation): C6H9N3O2
• Ignition Residue: ≤0.1% (as SO4)
• Impurities: insoluble matter, passes filter test
• Impurities: ≤0.5% foreign amino acids
• λ: 0.1 M in H2O
• Loss on Drying: ≤0.5% loss on drying, 110 °C
• Product Line: BioUltra
• Purity: ≥99.5% (NT)
• Gene Information: human ... CA1(759), CA2(760)
• Absorption Wavelength: λ: 260 nm Amax: 0.05
• Absorption Wavelength: λ: 280 nm Amax: 0.05
• Melting Point: 282 °C (dec.)(lit.)
• Melting Point: ~285 °C (dec.)
• Optical Rotation: [α]20/D -39±1°, c = 2% in H2O
• pH: 7.0-8.0 (25 °C, 0.1 M in H2O)
• Solubility: H2O: soluble0.1 M at 20 °C, clear, colorless
• Personal Protective Equipment: Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
• RTECS: MS3070000
• German water hazard class: 1

DETAILS

Description (English)

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.

Description (简体中文)

Biochem/physiol Actions
组胺的前体,经组氨酸脱羧酶作用可生成组胺。
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.