Azathiopurine
CHEMICAL
STRUCTURE |
|
| CHEMICAL STRUCTURE |  |
CAS NO.
|
3946-86-6 |
SPECIFICATION |
|
| Product Name | Azathiopurine |
| Specification | BP98/USP24 |
| Packing | 25Kg/Drum |
| Appearance | Yellowish crystalline powder |
| Identification | IR same as the standard, RT same as the reference |
| Loss on drying | 1.0% Max. |
| Residiue on ignition | 0.1% Max. |
| Organic volatile impurities | As stipulated |
| Acidity & Alkalinity | As stipulated |
| Impurities | |
| 6-MP | Less than 0.5% |
| 1-Methyl-4-nitro-5-chloroimidazole | Less than 0.5% |
| Unknown impurities | Less than 0.1% |
| Total unknown impurities | Less than 0.2% |
| Total impurities | 1.0% Max. |
| Assay (Dry basis) | 98.0-101.5% |