天鸿生化大量供应 MOC-L-叔亮氨酸

项目Item	检测标准Test Criterion	结果Result
外观Appearance	白色结晶粉末
white crystalline powder	符合Conforms
含量Assay	min 98.0%	99.32%
Identification(by IR)	Must be comparable to the standard specturm run under the same conditions.	conform
干燥失重Loss on drying	max 0.5%	0.2%
灼烧残渣Residue on Ignition	max 0.4%	0.2%
N-Acetyl-L-tert-Leucine	Not more than 0.05%	ND
L-MOC-Dimer	Not more than 0.3%	Less than 0.01%
Any other individual impurity	Not more than 0.1%	0.07%
Total impurity	Not more than2.0%	0.7%
R-enantiomer	Not more than 0.2%	Less than 0.01%