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产地 | 美国 |
品牌 | sigma |
货号 | 78019-25G |
用途 | 科研试验 |
包装规格 | 瓶 |
CAS编号 | 63-91-2 |
纯度 | 99% |
是否进口 | 是 |
78019
BioUltra
200
≥99.0% (NT)
powder or crystals
[α]20/D ?34±0.5°, c = 2% in H2O
insoluble matter, passes filter test
≤0.3% foreign amino acids
≤0.1% (as SO4)
≤0.1% loss on drying, 110°C
white
5.0-7.0 (25 °C, 0.1 M in H2O)
270-275 °C (dec.) (lit.)
H2O: 0.1 M at 20 °C, clear, colorless
chloride (Cl-): ≤50 mg/kg
sulfate (SO42-): ≤200 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: ≤50 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Sr: ≤5 mg/kg
Zn: ≤5 mg/kg
cut-off at 274 nm in H2O at 0.1 M
N[C@@H](Cc1ccccc1)C(O)=O
1S/C9H11NO2/c10-8(9(11)12)6-7-4-2-1-3-5-7/h1-5,8H,6,10H2,(H,11,12)/t8-/m0/s1