Oxytetracycline CAS NO.79-57-2

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Appearance Light yellow crystal or ramdam powder

Potancy dry base: 930u/mg min,  

wet base: 883u/mg min,

Identification Complies

PH 4.5-7.5

Absorption of impurities 430nm  ≤0.25

490nm  ≤0.20

Specific optical rotation -203~-216?

Water 4.0-8.0%

Abnormal toxins Complies

Conclusion The products complies with standard CP2010