| Customization: | Available |
|---|---|
| Powder: | Yes |
| Customized: | Non-Customized |
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Doxycycline hydrochloride (doxycycline acid) is a light blue or yellow crystalline powder, no odor bitter, hygroscopic, easily soluble in water , slightly soluble in ethanol .This product has a wide antibacterial spectrum and is effective against gram-positive cocci and negative-bacilli.The antibacterial effect is about 10 times stronger than that of tetracycline, which is still effective against tetracycline resistant bacteria.It is mainly used for respiratory tract infection, chronic bronchitis, pneumonia and urinary system infection, but also for typhus, typhus, and mycoplasma pneumonia.
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Items
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Specifications
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Results
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Appearance
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Yellow crystalline powder
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Conforms
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TLC
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Conforms
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reaction a yellow colour develops
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Conforms
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it gives reaction of chlorides
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Conforms
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PH
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2.0~3.0
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2.3
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Specific absorbance
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at 349nm e(1%) 300~355
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320
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Specific optical rotation
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-105 ~ -120°
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-110°
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Heavy metals:
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≤50ppm
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< 20ppm
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Light-absorbing impurities
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at 490nm ≤0.07
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0.03
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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 |
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Ethanol
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4.3~6.0% (m/m)
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4.5%
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Sulphated ash
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≤0.4%
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0.05%
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Water
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1.4~2.8%
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1.8%
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Assay
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95.0~102.0% ( c22h25cln2o8) based on anhydrous, ethanol-free substance |
98.6%
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Conclusion
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Conform with USP32
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Packing
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1kg/bag ,25kg/bag;25kg/drum; according to your requirements |
| Transit | Fedex, TNT,DHL,EMS,and so on. |
| Port | Shanghai/Tianjin/Dalian/Beijing/Xi'an |
| Lead Time | 3-5 working days upon received the payment |
| For mass orders, it will be delivered by air or sea. Depending on your location, please allow 1-5 business days for your order to arrive. For small order, please expect 3-7 days by UPS DHL EMS. For mass order, please allow 5-8 days by Air, 15-30 days by Sea. |
Hefei July Biotechnology Co.,ltd is trading system gradually mature stable, scale, expanding opening flexible, the godfather management, Its marketing network, good business reputation has been praised by customers. The company has already established marketing channels with many manufactures and customers all over the world.
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