|Product name: ||Pyrazinamide|
|CAS No.: ||98-96-4|
Pyrazinamide is a white or almost white, crystalline powder. It is sparingly soluble in water, slightly soluble in ethanol (96 per cent) and in methylene chloride. It shows polymorphism.
Pyrazinamide is an anti-tuberculosis drug. It has been used as a second-line drug in the past and is often used in retreatment patients with other anti-tuberculosis drugs. Used in combination with other anti-tuberculosis drugs to treat tuberculosis that is ineffective by first-line anti-tuberculosis drugs (such as streptomycin, isoniazid, rifampicin, and ethambutol).
|Appearance||White or almost white, crystalline powder.|
|Melting range||188°C to 191°C|
|Appearance of solution||Meets the requirements.|
|Acidity or alkalinity||Meets the requirements.|
|Heavy metals||≤10 ppm|
|Related substances Any spot||≤0.2%|
|Assay||99.0% - 100.5%|
Packing and Storage
Preserve in well-closed containers.