Current API product portfolio
SulfadimethoxineSpecification:
|
|
| chemical name: | Benzenesulfonamide, 4-amino-N-(2,6-dimethoxy-4-pyrimidinyl). N1-(2,6-Dimethoxy-4-pyrimidinyl)sulfanilamide. |
| molecular formula: | C12H14N4O4S |
| structural formula: |  |
| molecular weight: | 310.34 |
| CAS Registery number: | 122-11-2 |
General information: Practically white, crystalline powder. Soluble in 2 N sodium hydroxide; sparingly soluble in 2 N hydrochloric acid; slightly soluble in alcohol and in chloroform, very slightly soluble in ether; practically insoluble in water and in hexane. |
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| TESTS | REQUIERMENTS | METHODS |
|---|---|---|
| Identification: A. IR spectrum B. UV spectrum C. chemical identification D. chemical identification |
comparison with reference substance spectrum absorptivities at 272 nm do not differ by more than 3.0% conforms conforms |
USP |
| Melting range | between 197°C and 202°C | USP |
| Loss on drying | not more than 0.5% | USP |
| Residue on ignition | not more than 0.1% | USP |
| Heavy me |
not more than 0.002% | USP |
| Residual solvents: - toluen - pyridine |
not more than 100 ppm not more than 100 ppm |
POLPHARMA |
| Content of sulfadimethoxine calculated on anhydrous substance | 98.0% - 102.0% | USP |
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