Sigma-Aldrich 西格玛生化试剂,M5308 L-甲硫氨酸 from non-animal source, meets EP, JP, USP testing specifications, suitable for cell culture, 99.0-101.0%
M5308 L-甲硫氨酸 from non-animal source, meets EP, JP, USP testing specifications, suitable for cell culture, 99.0-101.0%白色至类白色片状结晶性固体,有轻微气味。溶于水、盐酸和热稀乙醇,微溶于乙酸,不溶于无水乙醇、乙醚、苯、丙酮和石油醚。pH 5-7(10g/L,H2O,20℃)。熔点 280-285℃(dec.)。比旋光 [α]25/D-8.11o(c=0.8,H2O)、[α]20/D+23o(c=50g/L,1mol/L,HCl)。