Quetiapine fumarate 98.5%min Pharmaceutical API Antipsychotic drugs made in china CAS NO.111974-72-2

Appearance 

Off-white or yellowish-white crystalline powder

Melting point

172~176℃

Identification 

Chemical reaction: positive

UV: the UV spectrum of sample conforms with reference.

IR: The infrared absorption spectrum complies with the spectrum of reference substance.

pH

5.0～6.0

Related substances

N-Oxide impurity is not more than0.2%,

Any other individual impurity is not more than 0.1%.

Ther sum of all other impurities is not more than 0.2%

Residual solvents

Methanol:≤0.3%

Ethanol:≤0.5%

Toluene:≤0.089%

Loss on Drying

≤0.5%

Residue on ignition

≤0.1%

Heavy metals

≤10ppm

Assay

≥98.5% (Dried basis)