Doxycycline Hydrochloride

Short Description:



CAS Number: 10592-13-9
Molecular Formula: C22H25ClN2O8
Standard: USP32/BP2010/EP6
Package: 25kg/drum

Description:



CAS Number: 10592-13-9
Molecular Formula: C22H25ClN2O8
Standard: USP32/BP2010/EP6
Package: 25kg/drum

ITEMS LIMIT
Appearance Yellow crystalline powder, hygroscopic
Solubility Freely soluble in water and in methanol, sparingly
soluble in alcohol, practically insoluble in ether. It dissolves in solutions of alkali hydroxides and carbonates
Identification
IR The IR spectrum of sample should be the same as that of Reference Standard Doxycycline Hyclate.
Crystallinity Crystals
pH 2.0 ~ 3.0
Water 1.4% ~ 2.8%
Related substances
a) 6-Epidoxycycline ≤2.0%
b) Methacycline ≤2.0%
c) 4-epidoxycycline ≤0.5%
d) 4-epi-6-epidoxycycline ≤0.5%
e) Oxytetracycline ≤0.5%
f) 2-acetyl-2-decarbamoyldoxycycline ≤0.5%
g) Any other impurity ≤0.5%
Ethanol 4.3% ~ 6.0%
Assay 95.0%~102.0%(C22H25CIN2O8),anhydrous,ethanol free
Potency 800-920 μg/mg (C22H24N2O8) , as is
Heavy Metals ≤50ppm

 


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