bids are invited for amberlite 200 c na form (strongly acidic macroreticular cation exchange resin, pack size 250 g) - strongly acidic macroreticular cation exchange resin , amberlite ira-900 cl form (strongly basic macroreticular anion exchange resin, pack size 250 g) - strongly basic macroreticular anion exchange resin , acetonitrile( min. 99.5% ar, pack size 2.5 l) - min. 99.5% ar , diethyl ether (min. 99% ar, pack size 2.5 l) - min. 99% ar , chloroform(ar, pack size 2.5 l) - ar , anhydrous magnesium sulphate(extra pure 98.5%, pack size 500 g) - extra pure 98.5% , potassium permanganate ( ar, pack size 500 g) - ar , zinc dust(98% ar, pack size 500 g) - 98% ar , n-pentane(lr, pack size of 2.5 l) - lr , ammonium chloride(99% extra pure, pack size 1 kg) - 99% extra pure , silica gel granules(desiccant ~ 0.2 - 1 mm, pack size 1 kg) - desiccant ~ 0.2 - 1 mm , concentrated sulphuric acid( 98% (min.) ar, pack size 2.5 l*4) - 98% (min.) ar , ferrous chloride hydrate(98% min. , pack size 500 g ) - 98% (min.) , concentrated nitric acid for analysis(69%, pack size 500 ml) - 0.69 , calcium chloride (fused)(95%, pack size 2.5 kg) - 0.95 , methanol(99.8%, pack size 2.5 l) - 0.998 , ethyl acetate(99.5%,pack size of 2.5 l) - 0.995 , dichloromethane (99.5%,pack size 2.5 l) - 0.995 , diiodomethane for synthesis(98%, pack size 100 ml) - 0.98 , sodium sulphate anhydrous (99%,pack size 1 kg) - 0.99 , molecular sieves (3a x 1.5 mm)(pack size 250 g) - 3a x 1.5 mm , acetic acid glacial(99.7% ar, pack size 2.5 l) - 99.7% ar , sodium chloride(99.5%, pack size 5 kg) - 0.995 , silica gel(60-120 mesh for column chromatography)(pack size 500 gm) - (60-120 mesh for column chromatography) , perchloric acid (70%, pack size 500 ml) - 0.7 , potassium iodide (99.5% (min.) ar, pack size- 100 gm ) - 99.5% (min.) ar , acetic anhydride (acs, pack size- 1l) - acs , triphenyl phosphine(98%, pack size- 100 gm) - 0.98 , potassium nitrate(min. 99%, pack size - 500 gm ) - 99% (min.) , sodium cyanide(min. 97%