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Flutamide

CAS No:13311-84-7
Shelf life:3 years
The detailed specifications are as below:

ItemsStandard
AppearancePale yellow crystalline powder
IdentificationA:The infrared absorption spectrum is concordant with the reference spectrum
B:The retention time of the major peak in the chromatogram of the assay preparation corresponds to that in the chromatogram of the standard preparation,as obtained in the assay.
Loss on dryingNot more than 0.5%
Residue on ignitionNot more than 0.1%
Related substances4-Nitro-3-trifluoro-methylacetanilide:≤ 0.2%
4-Nitro-3-trifluoro-methylaniline:≤0.15%
3-trifluoromethylaniline:≤0.2%
4-Nitro-3-trifluoromethylpropionanilide:≤0.3%
3-trifluoromethylisoburyranilide:≤ 0.2%
o-Flutamide:≤ 0.2%
Unknown :≤ 0.05%
Total impurities:≤0.4%
Residual solventsEthanol:not more than 0.5%
Toluene:not more than 0.089%
Heavy MetalsNot more than 0.0010%
Assay98.0-101.0% of C11H11F3N2O3(calculated on the dried basis)