Chemical name: 4'-methyl-2-(1-piperidinylmethyl)-propiophenone hydrochloride
CAS: 3644-61-9
Structural formula:

Molecular formula: C₁₆H₂₃NO•HCL
Molecular weight: 281.83
Authentication code: Guo Yao Zhun Zi H37023404
Specification:
A. National drug standard WS-10001-(HD-1072)-2002
Appearance: A white crystal powder
Assay: Not less than 99.0%
Melting point: 174-178^οC
Loss on drying: Not more than 0.5%
Residue on ignition: Not more than 0.1%
Acidity: 4.5~5.5
Heavy metals: Not more than 10ppm
B: Accord with Japan Pharmacopoeia 15th edition
Appearance: A white crystalline powder.
Assay: Not less than 98.5
pH: 4.5~5.5
Melting point: 167~174^οC
Residue on ignition: Not more than 0.1%
Loss on drying: Not more than 0.5%
Sulphated ash: Not more than 0.1%
Piperidine hydrochloride: Not more than 0.1%
Sulfate: Not more than 0.005%
Application: A medicine for relax central muscle, dilation of blood vessels, used in the symptom as cerebral arteriosclerosis, cerebrovascular accident.