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Cimetidine |
Name: Cimetidine
Structural formula:
Molecular formula:C10H16N6S
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
The largest single impurity: ≤ 0.2%
Total impurities: ≤ 1.0%
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