西格瑪 Sigma-Aldrich代理,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%白色至類(lèi)白色片狀結(jié)晶性固體,有輕微氣味。溶于水、鹽酸和熱稀乙醇,微溶于乙酸,不溶于無(wú)水乙醇、乙醚、苯、丙酮和石油醚。pH 5-7(10g/L,H2O,20℃)。熔點(diǎn) 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)。