94619

L-Valine

≥99.5% (NT), BioUltra

• Synonyma: (S)-α-Aminoisovaleric acid, L-2-Amino-3-methylbutanoic acid
• Lineární vzorec: (CH₃)₂CHCH(NH₂)CO₂H
• Číslo CAS: 72-18-4
• Molekulová hmotnost: 117.15
• Beilstein/REAXYS Number: 1721136
• EC Number: 200-773-6
• MDL number: MFCD00064220
• UNSPSC Code: 12352209
• eCl@ss: 32160406
• PubChem Substance ID: 57653624
• NACRES: NA.26

Vlastnosti

• Název produktu: L-Valine, BioUltra, ≥99.5% (NT)
• product line: BioUltra
• Quality Level: 200
• assay: ≥99.5% (NT)
• form: powder or crystals
• optical activity: [α]20/D +27.0±0.5°, c = 5% in 5 M HCl
• impurities: insoluble matter, passes filter test; ≤0.3% foreign amino acids
• ign. residue: ≤0.05%
• loss: ≤0.05% loss on drying, 20 °C (HV)
• color: white
• mp: 295-300 °C (subl.) (lit.)
• solubility: 1 M HCl: 0.5 M at 20 °C, clear, colorless
• anion traces: chloride (Cl^-): ≤50 mg/kg; sulfate (SO₄^2-): ≤50 mg/kg
• cation traces: Al: ≤5 mg/kg; As: ≤0.1 mg/kg; Ba: ≤5 mg/kg; Bi: ≤5 mg/kg; Ca: ≤50 mg/kg; Cd: ≤5 mg/kg; Co: ≤5 mg/kg; Cr: ≤5 mg/kg; Cu: ≤5 mg/kg; Fe: ≤5 mg/kg; K: ≤50 mg/kg; Li: ≤5 mg/kg; Mg: ≤5 mg/kg; Mn: ≤5 mg/kg; Mo: ≤5 mg/kg; NH₄⁺: ≤150 mg/kg; Na: ≤100 mg/kg; Ni: ≤5 mg/kg; Pb: ≤5 mg/kg; Sr: ≤5 mg/kg; Zn: ≤5 mg/kg
• λ: 0.5 M in 1 M HCl
• UV absorption: λ: 260 nm A_max: 0.15; λ: 280 nm A_max: 0.1
• SMILES string: CC(C)[C@H](N)C(O)=O
• InChI: 1S/C5H11NO2/c1-3(2)4(6)5(7)8/h3-4H,6H2,1-2H3,(H,7,8)/t4-/m0/s1
• InChI key: KZSNJWFQEVHDMF-BYPYZUCNSA-N

Popis

Application

• Metabolomics reveals metabolites associated with hair follicle cycle in cashmere goats.: This study utilizes L-Valine as a standard for detecting, understanding, and enhancing hair follicle cycles in cashmere goats through metabolomic analysis, aiding in the improvement of fiber production and quality (Ma et al., 2024).

Other Notes

Protects enzymes against heat inactivation; As spacer in isotachophoresis of serum proteins; Growth requirement of various microorganisms

Bezpečnostní informace

• Storage Class: 11 - Combustible Solids
• wgk_germany: WGK 1
• flash_point_f: Not applicable
• flash_point_c: Not applicable
• ppe: Eyeshields, Gloves, type N95 (US)