Chlortetracycline 57-62-5

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