Varieties: | Other |
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Component: | Chemical Synthetic Drugs |
Type: | Other |
Pharmacodynamic Influential Factors: | Other |
Storage Method: | Prevent Exceeding Quality Guarantee Period |
Veterinary Reg. No.: | Other |
Customization: |
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Product Name | High quality veterinary Doxycycline hyclate powder |
Appearance | Yellow powder. |
Assay | 99%min Doxycycline hyclate |
Test | HPLC |
Certificate | ISO 9001 |
CAS | 24390-14-5 |
MF | C22H26N2O9 |
Storage Temperature | Cool Dry Place |
Items | Specifications | Results |
Appearance | Yellow crystalline powder | Conforms |
Identification | TLC | Conforms |
sulphuric acid reaction a yellow colour develops | Conforms | |
it gives reaction of chlorides | Conforms | |
PH | 2.0~3.0 | 2.3 |
Specific absorbance | at 349nm e(1%) 300~355 | 320 |
Specific optical rotation | -105 ~ -120° | -110° |
Heavy metals: | ≤50ppm | < 20ppm |
Light-absorbing impurities | at 490nm ≤0.07 | 0.03 |
Related substances | 6-epidoxycycline ≤2.0% metacycline ≤2.0% 4-epidoxycycline ≤0.5% (ep5) 4-epi-6-epidoxycycline ≤0.5% (ep5) oxytetracycline ≤0.5% (ep5) any other impurity ≤0.5% not identified impurities ≤0.1% (ep5) |
1.6% 0.1% Not found Not found Not found Not found Not found |
Ethanol | 4.3~6.0% (m/m) | 4.5% |
Sulphated ash | ≤0.4% | 0.05% |
Water | 1.4~2.8% | 1.8% |
Assay | 95.0~102.0% ( c22h25cln2o8) based on anhydrous, ethanol-free substance |
98.6% |
Conclusion | Conform with USP32 |
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