product name
L -缬氨酸, BioUltra, ≥99.5% (NT)
产品线
BioUltra
质量水平
检测方案
≥99.5% (NT)
形式
powder or crystals
旋光性
[α]20/D +27.0±0.5°, c = 5% in 5 M HCl
杂质
insoluble matter, passes filter test
≤0.3% foreign amino acids
灼烧残渣
≤0.05%
缺失
≤0.05% loss on drying, 20 °C (HV)
颜色
white
mp
295-300 °C (subl.) (lit.)
溶解性
1 M HCl: 0.5 M at 20 °C, clear, colorless
痕量阴离子
chloride (Cl-): ≤50 mg/kg
sulfate (SO42-): ≤50 mg/kg
痕量阳离子
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
紫外吸收
λ: 260 nm Amax: 0.15
λ: 280 nm Amax: 0.1
SMILES字符串
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
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应用
- 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).
其他说明
WGK
WGK 1
闪点(°F)
Not applicable
闪点(°C)
Not applicable
个人防护装备
Eyeshields, Gloves, type N95 (US)
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