Colchicine CAS 64-86-8

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Colchicine CAS 64-86-8
Colchicine CAS 64-86-8
Total Assay( by HPLC) 94.0% -101.0%
Conclusion: All of the results conform to USP28 specification.
Infrared Absorption : Conform to standard spectrum
Limit of ethyl acetate: less than 8.0%
Chromatographic purity : less than 5.0%
Organic volatile impurities: less than 100ppm
Optical Rotation : -240 - -250
Loss on drying : less than2.0%

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