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Chlorotetracycline CAS NO.57-62-5
- Min.Order: 1 Kilogram
- Payment Terms: L/C|D/A|D/P|T/T|Westem Union
- Product Details
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Quick Details
- ProName: Chlorotetracycline
- CasNo: 57-62-5
- Molecular Formula: C22H23ClN2O8
- Appearance: A yellow powder,slightly soluble in wa...
- Application: Antibiotic medicines
- PackAge: 25kg/drum
- ProductionCapacity: /
- Purity: 95%min
- Storage: cool and dry
- Transportation: by sea ,air or express
- LimitNum: 1 Kilogram
Superiority
Appearance： A yellow powder,slightly soluble in water and in alcohol.It dissolves in solutions of slkali hydroxides andcarbonates. Identificat…
Details
Appearance： A yellow powder,slightly soluble in water and in alcohol.It dissolves in solutions of slkali hydroxides and carbonates.
Identification A：The principal spot in the chromatogram obtained with the test solution is similar in position,colour and size to the principal spot in the chromatogram obtained with reference solution.
Identification B：To about 2mg add 5ml of sulphuric acid R.A deep blue colour develops which becomes bluish-green.Add the solution
to 2.5ml of water.The colour becomes brownish.
Identification C ：Gives reaction of chlorides
PH ：2.3 ~3.3(10mg/ml)
Specific optical rotation ：-235.0°~-250.0°(2.5mg/ml)
Absorbance： ≤0.40(5mg/ml,460nm)
TC HCL(Anhydrous substance) ：≤8.0%
Heavy metals： ≤50ppm
Water ：≤2.0%
Sulfated ash ：≤0.5%
CTC HCL(Anhydrous substance)：≥89.5%
TC.HCL+CTC.HCL(Anhydrous substance)：94.5%~102.0%
Related substance：
Impurity A： ≤4.0%
4-EPI-Isochlortetracycline： ≤0.8%
Demeclocycline ：≤0.7%
Total of 4-EPI-Isochlortetracycline and demeclocycline：≤1.0%
2-Acetyl-2-decarboxamido-chlortetracycline：≤0.3%
Any other detectable impurity ：≤0.1%
Formaldehyde ：≤5ppm
Sulfate： ≤0.02%
Iron： ≤50ppm
Magnesium ：≤50ppm
Zinc ：≤10ppm
Proteins ：≤0.1%
Crude fibre： ≤0.1%
Ethanol： ≤5000ppm
Methanol： ≤3000ppm
