 Ramosetron Hydrochloride
CAS NO.: 132907-72-3
Molecular Formular: C17H17N3O?HCl
Molecular Weight: 315.80
Chemical Structure:
Appearance: White or pale yellow crystalline powder
Specific Rotation: -41.5¡æ~-44.5¡æ
Identification: Complies with stipulation
PH: 4.0~5.0
Solution Clearance and color: Complies with stipulation.
Related Substances: Not more than 1.0%
Optical Isomer: Not more than 0.4%
Residue Solvent: Acetic ether and Isopropanol both should be less than 5000ppm, acetonitrile should not be more than 410ppm
Water: Not more than 3.0%
Ignition Residue: Not more than 0.1%
Heavy Metal: ¡Ü20ppm
Assay(on dried basis): ¡Ý98.5%
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