61820
L-亮氨酸
≥99.0% (NT)
别名:
(S)-2-氨基-4-甲基戊酸
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线性分子式:
(CH3)2CHCH2CH(NH2)CO2H
化学文摘社编号:
分子量:
131.17
EC Number:
200-522-0
UNSPSC Code:
12352209
MDL number:
Beilstein/REAXYS Number:
1721722
assay
≥99.0% (NT)
optical activity
[α]20/D +15.5±1.0°, c = 5% in 5 M HCl
impurities
≤0.3% foreign amino acids
ign. residue
≤0.1% (as SO4)
loss
≤0.1% loss on drying, 110 °C
anion traces
chloride (Cl-): ≤200 mg/kg, sulfate (SO42-): ≤100 mg/kg
cation traces
Ca: ≤10 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, Mg: ≤5 mg/kg, Mn: ≤5 mg/kg, NH4+: ≤100 mg/kg, Na: ≤100 mg/kg, Ni: ≤5 mg/kg, Pb: ≤5 mg/kg, Zn: ≤5 mg/kg
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