Doxycycline Hydrate

CAS NO: 24390-14-5

Specification: BP/USP

Product Name Doxycycline hyclate
Quality Standard BP/EP/USP


Testing Items Critrion
Appearance Yelow crystalline powder Hygroscopic
Identification TLC Color reaction chloride reaction Meet
PH 2.0-3.0
Absorbance A349nm 300 to 335
Specific Rotation -105º to -120º
Heavy Metals 50ppm Max
Light absorbing impurities A490nm 0.07 Max
Related Substacnes Meets
Ethanol 4.3% to 6.0%
Loss on drying 1.4% to 2.8%
Sulphated Ash 0.4% Max
Assay( Anhydrous ehtanol free) 88.0% to 94.0%


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