NaturChem Barcelona

Oxytetracycline Hydrochloride Bp

Characters Yellow crystalline powder, hygroscopic
Identification B. The principal peak in the chromatogram obtained with test solution (b) and reference solution (a) is similar in retention time and size
  C. A deep red colour develops in sulfuric acid and it becomes yellow when being diluted with water
  D. Gives reaction (a) of chlorides
pH 2.3   ̴ 2.9
Light-absorbing impurities 430nm: ≤ 0.50 490nm: ≤ 0.20
Related substances Content of impurity peak meets the requirement
Heavy metals ≤ 50 ppm
Water ≤ 2.0 %
Sulphated Ash ≤ 0.2%
Assay (on the anhydrous substance) 94.5%   ̴ 102.0%

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