Category:
Chiral Intermediates
CAS NO:
1492-24-6
Standard:
ChP,

医药中间体,主要用于合成抗癫痫药物左乙拉西坦和抗结核药盐酸乙胺丁醇。
It is a pharmaceutical intermediate for synthesis of levetiracetam for epilepsy treatment and Ethambutol hydrochloride for tuberculosis treatment.
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项 目 Item |
指 标 Specification |
|
外观 Appearance |
白色晶体或白色粉末 A white to off- white powder |
|
溶解性 Solubility
|
易溶于水 Easily soluble in water |
|
鉴别 Identification |
HPLC RT |
|
干燥失重 Loss on drying |
≤0.5% |
|
炽灼残渣 Residue on ignition |
≤0.5% |
|
相关物质 Related substances |
苏氨酸(Threonine)≤0.05% |
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丙氨酸(Alanine)≤0.03% |
|
|
手性纯度 Chiral purity |
L-≥99.5% |
|
含量(Assay) |
98.0%~102.0% |
|
氯化物(Cl) |
≤10ppm |