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

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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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