CAS NO: 58-93-5
Specification: BP/USP
| Product Name | Hydrochlorothiazide |
| Quality Standard | USP/BP |
| Testing Items | Critrion |
| Appearance | White crystalline powder |
| Identification | IR Absorption and UV absorption comply |
| Acidity or alkalinity | 0.4ml Max |
| Chloride | 0.01% Max |
| Selenium | 0.003% Max |
| Related substances | Any peak 0.5% Max Sum of peak 1.0% Max |
| Heavy metals | 0.001% Max |
| Residue on ignition | 0.1% Max |
| 4-amino-6-chloro-1,3- benzenedisulfonamide | 1.0% Max |
| Loss on drying | 0.5% Max |
| Organic volatile impurities | Meets |
| Assay | 98.0-102.0% |