L-甲硫氨酸 98+%
供应商: Thermo Fisher Scientific
Synonyms:
(S)-2-氨基-4-(甲硫基)丁酸, L-2-氨基-4-(甲硫基)丁酸
166160250
166161000
ACRO166160250EA
0
CNY
ACRO166160250
ACRO166161000
L-甲硫氨酸 98+%
L-甲硫氨酸
分子式:
C₅H₁₁NO₂S 分子量: 149.21 g/mol 沸点: 278 溶点: 276…279 °C (dec.) 存储条件: Refrigerator |
MDL编号:
MFCD00063097 CAS号: 63-68-3 EINECS: 200-562-9 Merck Index: 13,06004 |
产品技术规格
Appearance | White Crystalline powder or crystals |
Infrared spectrum | Conforms |
Loss on drying | ≤0.5 % (1 g, 105°C) |
Sulfated ash | ≤0.4 % |
TLC | ≤0.5 % of any individual impurity |
pH | 5.5 to 6.5 (1 % in water) |
Specific optical rotation | +22.4° to +24.7° (20°C, 589 nm) (c=2, 6 N HCl) |
Titration with HClO4 | 98.0 to 102.0 % (on dried basis) |
Chloride (Cl) | ≤500 ppm |
Sulfate (SO4) | ≤300 ppm |
Iron (Fe) | ≤30 ppm |
Heavy metals (as Pb) | ≤15 ppm |
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