Customization: | Available |
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Type: | Pharmaceutical Intermediates |
Appearance: | Powder |
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It is very effective in curing the upper respiratory tract infection, lacunar angina, infection of biliary tract, adenolymphitis, phlegmon, Chronic bronchitis caused by gram-positive cocci and gram-negative bacilli.
It has the effect of antibacterial and sterilization with wide spectrum of antibacterial.Items | Specifications | Results |
Appearance | Yellow crystalline powder | Conforms |
Identification | TLC | Conforms |
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% | 1.60% |
metacycline ≤2.0% | 0.10% | |
4-epidoxycycline ≤0.5% (ep5) | Not found | |
4-epi-6-epidoxycycline ≤0.5% (ep5) | Not found | |
oxytetracycline ≤0.5% (ep5) | Not found | |
any other impurity ≤0.5% | Not found | |
not identified impurities ≤0.1% (ep5) | Not found | |
Ethanol | 4.3~6.0% (m/m) | 4.50% |
Sulphated ash | ≤0.4% | 0.05% |
Water | 1.4~2.8% | 1.80% |
Assay | 95.0~102.0% ( c22h25cln2o8) | 98.60% |
based on anhydrous, ethanol-free substance |
Q&A
1.How could l get a sample?
Before we received the first order, please afford the sample cost and express fee. We wilreturn the sample cost back to you within your first order.
2.Can you make designs for us?
We have a professional design team to help our customers do design work.Both OEM and ODM orders are accepted.
3.Can we get samples from your factory?
We can provide you samples for free, you just pay express cost.
4.Whether you could make our brand on your products?
Yes. We can print your Logo on both the products and the packages if you can meet our MOQ
How can you provide us high quality products?
5.We have a professional QC team, every product is shipped after strictly examination.
What is your lead time?
Quantity about 10000 pcs is 15-20 days ,small orders are about one week.
Huge orders to be neqotiated.
6.What is your payment?
We accept T/T.L/C.Westem union or to be negotiated.Don't worry about anything, if you have any problems, please feel free to contact us