产品名称 D-缬氨酸
CAS No: 640-68-6
外观性状 白色或类白色结晶性粉末
含量 ≥98.0%
比旋光 +5.5° to +8.0°
核磁共振 与结构一致
TLC 分析 一个点
干燥失重 ≤0.5%
重金属 ≤10ppm
Product Name: D-Valine
CAS No: 640-68-6
Appearance White or off white crystalline powder
Assay 99.0%-100.5%
Specific Rotation -26.5°- -29.0°(C=2,5NHCL)
NMR Spectrum Consistent with structure
TLC One spot
Loss on drying Not more than 0.20%
Heavy Metals(Pb) Not more than 10ppm