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Bilirubine Orange Crystalline Powder It is the raw material of the artificial bezoar. Features&Functions: CAS NO.635-65-4 Molecular Formula C33H36N4O6 Molecular weight 584.67204 Keyword 211-239-7 Assay 93% ~ 98.9% Appearance Orange to reddish-brown fine crystalline powder Loss on Drying(two hours at 60 °C, vacuum) Max. 1.8 % Azobilirubin Absorptivity Min. 0.500 Bicarbonate Extractables Max. 0.230 Calcium Content < 600 ppm Packed 25kgs/drug Competitive price and early shipment. The most important is our excellent quality control system. Any interest please feel free to contact us. Jennifer Zhang Sdart International Inc. Contact: Jenniferchem2011 at hotmail dot com Mobile 0086-15964202959