Chlorotetracycline

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1 Kilogram	Negotiable

1 Kilogram

Negotiable

Min.Order :1 Kilogram
Purity: 95%min
Payment Terms : L/C|D/A|D/P|T/T|Westem Union

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Appearance:A yellow powder,slightly soluble in water and in alcohol.It dissolves in solutions of slkali hydroxi
Application:Antibiotic medicines
PackAge:25kg/drum
ProductionCapacity:|/
Storage:cool and dry
Transportation:by sea ,air or express

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

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