ZXFPC0186 Doxycycline Hyclate / Monohydrate

CAS Number: 24390-14-5 / Mono 17086-28-1

Doxycycline Monohydrate

Appearance: A yellow crystalline powder

Quality Index Standard Results

Identification: Rule of EP4 Conforms
Acidity: 5.0-6.5 5.4
Specific rotation: -113?-- -130? -117?
Light absorption: 325--363 352
Light-absorbing impurities: ≤0.07% 0.01%
Methacyline HCl: ≤2.0％ 0.08%
6-epidoxcycline HCl: ≤2.0％ 0.85%
Other impurities: ≤0.5% 0.41%
Heavy Metals: ≤50ppm <50ppm
Water: 3.6-4.6% 3.8%
Sulphated ash ≤0.4% 0.1%
Assay: 95--102.0% 98.5%

Conclusion: The Specification conforms to the rule of EP4.

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