CAS NO: 24390-14-5
Specification: BP/USP
| Product Name | Doxycycline hyclate |
| Quality Standard | BP/EP/USP |
| Testing Items | Critrion |
| Appearance | Yelow crystalline powder Hygroscopic |
| Identification | TLC Color reaction chloride reaction Meet |
| PH | 2.0-3.0 |
| Absorbance | A349nm 300 to 335 |
| Specific Rotation | -105º to -120º |
| Heavy Metals | 50ppm Max |
| Light absorbing impurities | A490nm 0.07 Max |
| Related Substacnes | Meets |
| Ethanol | 4.3% to 6.0% |
| Loss on drying | 1.4% to 2.8% |
| Sulphated Ash | 0.4% Max |
| Assay( Anhydrous ehtanol free) | 88.0% to 94.0% |