11149
L -天冬酰胺
BioUltra, ≥99.5% (NT)
别名:
(S)-2-氨基琥珀酸-4-酰胺,
选择规格
关于此项目
product line
BioUltra
assay
≥99.5% (NT)
optical activity
[α]20/D +35.0±0.5°, c = 5% in 5 M HCl
impurities
insoluble matter, passes filter test, ≤1% foreign amino acids
ign. residue
≤0.05% (as SO4)
pH
4.0-5.5 (25 °C, 0.1 M in H2O)
mp
235 °C (dec.) (lit.)
solubility
H2O: 0.1 M at 20 °C, clear, colorless
anion traces
chloride (Cl-): ≤50 mg/kg, sulfate (SO42-): ≤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: ≤50 mg/kg, Mn: ≤5 mg/kg, Mo: ≤5 mg/kg, Na: ≤50 mg/kg, Ni: ≤5 mg/kg, Pb: ≤5 mg/kg, Sr: ≤5 mg/kg, Zn: ≤5 mg/kg
λ
0.1 M in H2O
UV absorption
λ: 260 nm Amax: 0.07, λ: 280 nm Amax: 0.06
SMILES string
N[C@@H](CC(N)=O)C(O)=O
InChI
1S/C4H8N2O3/c5-2(4(8)9)1-3(6)7/h2H,1,5H2,(H2,6,7)(H,8,9)/t2-/m0/s1
InChI key
DCXYFEDJOCDNAF-REOHCLBHSA-N
Other Notes
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存储类别
13 - Non Combustible Solids
WGK
WGK 1
闪点 (F)
Not applicable
闪点 (°C)
Not applicable
PPE（个人防护设备）
Eyeshields, Gloves, type N95 (US)