supply of laboratary chemicals - 1 acetanilide ( 98.5% ) extrapure 2 acetyl chloride ( 98% ) extrapure 3 4-aminophenol ( 98% ) extrapure 4 aniline ( 99.5% ) ar 5 benzamide ( 98% ) 6 benzene ( 99.5% ) ar 7 benzil ( 99% ) 8 benzaldehyde ( 99% ) ar 9 benzophenone ( 99% ) extrapure 10 biphenyl ( 99% ) ar 11 bromine ( 99% ) in glass ampule ( 20 ml x 5 = 100 ml ) 12 cinnamic acid ( 99% ) ar 13 1, 4-dichlorobenzene ( 99% ) 14 diethyl ether ( 98% ) extra pure 15 ethylacetoacetate ( 98% ) 16 glycerol 99.5% ar 17 methanol ( 99.5% ) extra pure 18 methyl acetate 99% 19 naphthalene 99.7 % ar 20 2-nitroaniline ( 98% ) extrapure 21 4-nitroaniline ( 98.5% ) extrapure 22 nitrobenzene 99% ar 23 n, n-dimethylaniline ( 99.5% ) ar 24 2-naphthol 99% ar 25 oxalic acid, 99% extra pure 26 oxalic acid, 99.5 % ar / acs 27 pyridine ( 99.5% ) ar 28 salicylic acid ( 99.5% ) ar 29 starch ( ex potato ) ar / acs 30 sulfanilic acid ( 99% ) extrapure 31 iodine resublimed ( 99.8% ) ar 32 maleic acid ( 99.5% ) ar 33 phenol 99.5% ar 34 phenyl hydrazine hydrochloride ( 99% ) ar 35 picric acid 99% extrapure 36 picric acid solution 1.2% ar 37 resorcinol ( 99% ) ar 38 thiamine hydrochloride ( 98.5% ) 39 toluene 99.5% ar 40 urea 99% extrapure 41 acetic acid glacial ( 99.7% ) ar 42 acetone ( 99% ) extra pure 43 acetone ( 99% ) extra pure 44 chloroform ( 99% ) 45 chloroform ( 99% ) 46 chloroform spectroscopic grade 99% uv 47 carbon terachloride 99.5 % ar 48 dichloromethane 99% extrapure 49 dichloromethane 99% extrapure 50 diethyl ether 99% 51 diethyl ether 99% 52 ethylacetate 99.5% extrapure 53 ethylacetate 99.5% extrapure 54 iso-propyl alcohol ( 99% ) 55 iso-propyl alcohol ( 99% ) 56 isopropanol, 99% molecular biology ( mb ) grade 57 methanol, 99.5 % for uv spectriscopy 58 petroleum ether ( 40-60 deg c ) extra pure 59 petroleum ether ( 60-80 deg c ) extra pure 60 hydrobromic acid ( 48 % ) ar 61 hydrogen peroxide solution 30 % w / v h2o2 ar 62 hydrogen peroxide solution 6% w / v h2o2 63 hydrochloric acid 35-38% ar 64 hydrochloric acid 35% ( commercial grade ) 65 nitric acid 69% ar / acs 66 perchloric acid 70-72% ar / acs 67 sulfuric acid, 95-97% ar 68 ammonium carbonate, ar / acs 69 ammonium chloride 99%, extra pure 70 ammonium cerium ( iv ) nitrate 99% ar / acs 71 ammonium ferrous sulphate hexahydrate , 98.5% 72 ammonium ferrous sulphate hexahydrate , 99% , acs ar grade 73 ammonium ferric sulphate 98.5% ar / acs 74 ammonium fluoride 95%, extra pure 75 ammonium oxalate monohydrate, 99.5%, ar 76 nammonium thiocyanate, 99.5%, ar 77 barium nitrate, 99% ar 78 borax, 99.5% ar / acs 79 cadmium nitrate tetrahydrate 99% ar 80 calcium fluoride 97% extrapure 81 calcium nitrate tetrahydrate 99% ar 82 cobalt ( ii ) nitrate hexahydrate 98% ar 83 copper ( ii ) sulphate, pentahydrate, 99% ar 84 edta disodium salt ( ethylenediaminetetraacetic acid disodium salt dihydrate ) , 99% ar / acs 85 ferric chloride anhydrous 99% ar 86 ferrous sulphate heptahydrate ( 99% ) ar / acs 87 ferrous sulphide fused sticks 88 lead acetate trihydrate ( 99% ) ar / acs 89 lead dioxide ( 95% ) extra pure 90 lithium carbonate ( 99% ) ar / acs 91 lead nitrate ( 99.5% ) ar 92 lithuim hydroxide monohydrate ( 99% ) 93 manganese carbonate 94 manganese dioxide ( 80%, ar ) 95 magnesium nitrate hexahydrate ( 98% ) ar 96 mercury ( ii ) chloride, 98% extrapure 97 montmorillonite ( k10 powder ) sigma 98 nickel ( ii ) nitrate hexahydrate, 98% extrapure 99 phosphorus pentachloride 99% 100 potassium dichromate 99.5% ar 101 potassium ferrocyanide 99% ar 102 potassium iodide 99.5% ar 103 potassium iodide 99% 104 potassium ( meta ) periodate 99.8% ar 105 potassium permanganate 99% ar / acs 106 iodine resublimed ( 99.8% ) ar 107 silicagel 60 -120 mesh for column chromatography 108 silicagel 60 -120 mesh for column chromatography 109 tlc silica gel 60 f254, aluminium sheets ( 20x20cm ) 110 silver nitrate ( 99% ) 111 sodium acetate trihydrate, 99.5% ar 112 sodium bismuthate ( 85% ) ar 113 sodium bisulfite ( extra pure ) 114 sodium carbonate anhydrous ( 99.5% ) 115 sodium carbonate anhydrous ( 99.5% ) ar 116 sodium chloride 99.5% 117 sodium hydroxide flakes ( 97 % ) 118 sodium hydroxide pellelts ( 98% ) ar 119 sodium sulphate anhydrous, 99 % extra pure 120 sodium hypochlorite solution ( 4-6% ) 121 sodium iodide, 99.5% ar 122 sodium nitrite ( 97% ) 123 sodium nitropruside ( 99% ) ar / acs 124 sodium thiosulphate anhydrous ( 98% ) ar 125 potassium sodium tartrate tetrahydrate 99% ar / acs 126 sodium tungstate dihydrate 99% ar / acs 127 strontium nitrate ( 99% ) ar 128 tin metal granular ( 99.5% ) 129 zinc borate ( extra pure ) 130 zinc dust ( 98% ) ar 131 agar-agar powder ( high gel strength ) bactograde 132 agarose ( low melting ) molecular biology ( mb ) grade 133 brilliant green bile lactose broth 2% mb grade 134 bromophenol blue ( mb grade ) 135 edta disodium salt , 99% mb grade 136 eosin ( spirit soluble ) 137 ethidium bromide solution ( 10 mg / ml ) 138 haematoxylin ( ehrlich ) staining solution 139 dna ladder 1 kb ( ready to use ) 140 mac conkey agar, for microbiology 141 nuclease free water, mb grade 142 proteinase k, ( 20 mg / ml ) 143 sodium citrate, 99%, extra pure 144 trizol - c 145 tris buffer, 99.9 % supirior mb grade 146 readymix taq pcr reaction mix with mgcl2- for 40 reactions 147 2, 2-diphenyl-1-picrylhydrazyl ( dpph ) 148 thiazolyl blue tetrazolium bromide ( mtt ) , 98 % ar grade 149 trypan blue for tissue culture ( 1-2% ) 150 sodium pyruvate, 99 % ar 151 cyclohexene ( 99% ) extrapure 152 furan extrapure 153 n-methyl-2-pyrrolidinone 99%, acs 154 tetraethyl ortho silicate 98% 155 tetrapropylammonium hydroxide solution 1.0 m in h2o 156 bovine serum albumin 98% 157 cholesterol, 99% ar 158 formaldehyde solution 37% ar 159 formaldehyde solution 37% ar 160 folin & ciocalteu’s phenol reagent 161 guaiacol, 99% 162 manganese ( ii ) sulfate monohydrate, 98%, extra pure 163 ninhydrin ( ar / acs ) 164 nitro tetrazolium blue chloride ( nbt ) powder, electrophoresis grade 165 orthophosphoric acid 85% ar 166 ß-sitosterol =95% 167 l-proline 99% 168 pyridoxine hydrochloride 99.5% 169 riboflavin ( 99% ) 170 squalene =98% 171 5-sulfosalicylic acid dihydrate ( 99% ) acs 172 tannic acid, ar / acs 173 thiobarbituric acid, =98% ar grade 174 trichloroacetic acid ( 99% ) ar / acs 175 2, 3, 5-triphenyltetrazolium chloride 99% ar