天鸿生化大量供应 D-甘氨酸

项目Item	测试标准Test Criterion	结果Result
外观Appearance	白色结晶粉末
white crystalline powder	白色结晶粉末
white crystalline powder
比旋度Specific rotation 	-156°~-160°(C=1,1N HCl)	-158.2°
ee%	min 98%	99.5%
含量Assay	min 99.0%	99.36%
熔点Melting point	301~303 °C	302.7℃
干燥失重Loss on drying	max 0.5%	0.3%
灼烧残渣Residue on Ignition	max 0.4%	0.2%
结论CONCLUSION:
This batch meets the test criterion.