α-乳糖 99.5+% ≤5% beta-isomer
供应商: Thermo Fisher Scientific
Synonyms:
4-O-β-D-吡喃半乳糖基-α-D-葡萄糖, 乳糖, β-D-Gal-(1→4)-α-D-Glc
125090010
125090020
ACRO125090010EA
0
CNY
ACRO125090010
ACRO125090020
α-乳糖 99.5+% ≤5% beta-isomer
α-乳糖
Appearance: White to almost white Crystalline powder
分子式:
C₁₂H₂₂O₁₁·H₂O 分子量: 360.32 g/mol 溶点: 219 °C 存储条件: Ambient |
MDL编号:
MFCD00150747 CAS号: 5989-81-1 |
产品技术规格
Appearance | White to almost white Crystalline powder |
Infrared spectrum | Conforms |
Water | 4.5 to 5.5 % (K.F.) |
Loss on drying | ≤0.5 % (80°C, 2 h) |
Sulfated ash | ≤0.1 % |
HPLC | ≥99.50 % |
Appearance of solution | Passes test |
Microbial contamination | Passes test |
Acidity/alkalinity | ≤0.4 ml/6g (ml 0.1N NaOH/6g) |
Specific optical rotation | On dry substance |
Absorbance | Passes test |
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