DL-甲硫氨酸 99+%

供应商: Thermo Fisher Scientific

Synonyms: (±)-2-氨基-4-(甲巯基)丁酸, DL-2-氨基-4-(甲硫基)丁酸

125650025 125651000 125652500
ACRO125650025EA 0 CNY
ACRO125650025 ACRO125651000 ACRO125652500
DL-甲硫氨酸 99+%
DL-甲硫氨酸
分子式: C₅H₁₁NO₂S
分子量: 149.21 g/mol
溶点: 270…273 °C (dec.)
密度: 1.34 g/cm³
存储条件: Refrigerator
MDL编号: MFCD00063096
CAS号: 59-51-8
EINECS: 200-432-1
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 ≤0.1 %
UV transmittance ≥95 % (c=10, 2 N HCl, 430 nm) 1 cm cell
pH 5.4 to 6.1 (2 % w/v in water)
Titration with HClO4 99.0 to 101.0 % (on dried substance)
Chloride (Cl) ≤200 ppm
Sulfate (SO4) ≤200 ppm
Ammonium (NH4) ≤1000 ppm
Heavy metals (as Pb) ≤10 ppm
Other amino acids ≤0.2 % (TLC)


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