Cimetidine [ 51481-61-9 ]

Molecular weight:252.34
Specification:China Pharmacopoeia 2010
Property: It is white or similar to white crystal powder , almost odorless, bitter taste.
Specification: Enterprise standard
Assay: Not less than 99.0%
Loss on drying: Not more than 0.5%
Reidue on ignition: Not more than 0.1%
Related substance: Not more than 0.5%
Absorption coefficient: 751-797
Chloride : Not more than 0.008%
Heavy metals :  Not more than 10ppm