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产地 | 美国 |
品牌 | sigma |
货号 | 61819-25G |
用途 | 科研试验 |
包装规格 | 瓶 |
CAS编号 | 61-90-5 |
纯度 | 99.5% |
是否进口 | 是 |
61819
BioUltra
200
≥99.5% (NT)
powder or crystals
[α]20/D +15.5±0.5°, c = 5% in 5 M HCl
NMR: suitable
insoluble matter, passes filter test
≤0.3% foreign amino acids
≤0.1%
≤0.1% loss on drying, 20 °C (HV)
white
>300 °C (lit.)
1 M HCl: 0.1 M at 20 °C, clear, colorless
chloride (Cl-): ≤200 mg/kg
sulfate (SO42-): ≤100 mg/kg
Al: ≤5 mg/kg
As: ≤0.1 mg/kg
Ba: ≤5 mg/kg
Bi: ≤5 mg/kg
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
Li: ≤5 mg/kg
Mg: ≤5 mg/kg
Mn: ≤5 mg/kg
Mo: ≤5 mg/kg
NH4+: ≤100 mg/kg
Na: ≤100 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Sr: ≤5 mg/kg
Zn: ≤5 mg/kg
0.1 M in 1 M HCl
λ: 260 nm Amax: 0.05
λ: 280 nm Amax: 0.05
CC(C)C[C@H](N)C(O)=O
1S/C6H13NO2/c1-4(2)3-5(7)6(8)9/h4-5H,3,7H2,1-2H3,(H,8,9)/t5-/m0/s1
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