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Name |
Chlorotetracycline |
Alias |
acronize ;aureocina ;aureomycina-377 ;aureomykoin ;biomitsin ;chlortetracycline ;chrysomykine ;duomycin |
CAS NO. |
57-62-5 |
Molecular Formula |
C22H23ClN2O8 |
Molecular Weight |
478.88 |
Brief Introduction |
Chlorotetracycline is a tetracyclic broad-spectrum antibiotics against Gram-positive and negative bacteria and Chlamydia, mycoplasma, rickettsia were inhibited. |
Items |
Standards |
Test Results |
Appearance |
Brown to dark brown powder, not lumpy or moldy, no unpleasant odor |
Approved |
Identification |
Positive |
Approved |
Fineness |
0.425mm 90% min. pass through |
90% |
Loss on Drying |
8.0% Max. |
5.30% |
PH Value |
5.0-7.5 |
6.62 |
Heavy Metals |
20ppm Max. |
<20ppm |
Arsenic |
2ppm Max. |
<2ppm |
Content |
15.0% Min. |
15.25%(by HPLC) |
TC Content |
1.2% Max. |
1.06% |
EPI-CTC |
0.9% Max. |
0.19% |
Conclusion: |
The goods are complied with the standards |
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