Product Name:Oxytetracycline HCL

ITEM SPECIFICATION
Characteristics yellow crystalline powder
Identification A. Absorption at 353nm: 96.0%~104.0%
Crystallinity Meet the requirement
PH Value 4.5~7.0
Moisture 6.0%~9.0%
Assay >=832 ug/mg
Light-absorbing at 430nm =<0.25%(anhydrous substance )
Light-absorbing at 490nm =<0.20%(anhydrous substance )
U.S. Sieve No.20(850um) All pass
U.S. Sieve No.80(180um) <5% max on the sieve
4-epioxytetracycline =<0.5%
Tetracycline Hcl =<2.0%
Eluting on the tail of the principal peak =<2.0%

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