檢驗(yàn)項(xiàng)目 Item |
檢驗(yàn)標(biāo)準(zhǔn) Inspection Standard |
外 觀 Appearance |
白色或類白色結(jié)晶性粉末 White or off-white crystalline powder |
比旋度 Specific Rotation |
−31.0 to −39.0°, C=2, EtOH |
熔 點(diǎn) MP |
150-166℃ |
干燥失重 Loss on drying |
≤0.5% |
重金屬 Heavy Metals(Pb) |
not more than 10ppm |
含量 Assay |
not less than 98.0% |