| No. | CAS # | Product Names | Molecular Formula |
| 151 | 2883-98-9 | alpha-Asarone | C12H16O3 |
| 152 | 515-69-5 | alpha-Bisabolol | C15H26O |
| 153 | 141109-25-3 | alpha-Bromo-2-chlorophenylacetic acid | C8H6BrClO2 |
| 154 | 469-61-4 | alpha-Cedrene | C15H24 |
| 155 | 67375-30-8 | alpha-Cypermethrin | C22H19Cl2NO3 |
| 156 | 473-08-5 | alpha-Cyperone | C15H22O |
| 157 | 5346-90-7 | alpha-D-Cellobiose octaacetate | C28H38O19 |
| 158 | 97-30-3 | alpha-D-Methylglucoside | C7H14O6 |
| 159 | 81496-81-3 | alpha-Dihydroartemisinin | C15H24O5 |
| 160 | 52292-17-0 | alpha-isooctadecyl-omega-hydroxy-poly(oxy-2-ethanediyl) | RO（CH2CH2O）nH |
| 161 | 3615-41-6 | alpha-L-Rhamnose | C6H12O5 |
| 162 | 5989-81-1 | ALPHA-LACTOSE MONOHYDRATE | C12H24O12 |
| 163 | 19395-39-2 | alpha-Phenylpiperidine-2-acetamide | C13H18N2O |
| 164 | 80-56-8 | alpha-Pinene | C10H16 |
| 165 | 1939-99-7 | alpha-Toluenesulfonyl chloride | C7H7ClO2S |
| 166 | 89307-25-5 | alpha-[[[(2-Furanylcarbonyl)amino]carbonyl]amino]benzeneacetic acid | C14H12N2O5 |
| 167 | 4968-09-6 | Alphasone acetonide | C24H34O4 |
| 168 | 28981-97-7 | Alprazolam | C17H13ClN4 |
| 169 | 645-05-6 | Altretamine | C9H18N6 |
| 170 | 30745-55-2 | Aluminium 2-ethylhexanoate | C16H31AlO5 |
| 171 | 7784-13-6 | Aluminium chloride hexahydrate | |
| 172 | 13939-25-8 | Aluminium dihydrogen triphosphate | AlH2P3O10 |
| 173 | 7784-18-1 | Aluminium fluoride | AlF3 |
| 174 | 13682-92-3 | Aluminium glycinate | C2H6AlNO4 |
| 175 | 21645-51-2 | Aluminium hydroxide | Al（OH）3 |
| 176 | 555-31-7 | Aluminium isopropoxide | C9H21AlO3 |
| 177 | 13776-88-0 | Aluminium metaphosphate | Al(PO3)3 |
| 178 | 13473-90-0 | aluminium nitrate | Al（NO3）3·9H2O |
| 179 | 1344-28-1 | Aluminium oxide | Al2O3 |
| 180 | 7784-24-9 | Aluminium potassium sulfate dodecahydrate | AlK.(SO4)2.12(H2O) |
| 181 | 12141-46-7 | aluminium silicate | Al2(SiO3)3 |
| 182 | 17927-65-0 | Aluminium sulfate hydrate | |
| 183 | 10043-01-3 | Aluminium sulphate | Al2(SO4)3 |
| 184 | 2269-22-9 | Aluminium tri-sec-butoxide | 3(C4H9O).Al |
| 185 | 555-32-8 | Aluminium tribenzoate | C21H15AlO6 |
| 186 | 7360-53-4 | Aluminium triformate | C3H3AlO6 |
| 187 | 18917-91-4 | Aluminium trilactate | C9H15AlO9 |
| 188 | 29196-72-3 | Aluminium tripolyphosphate | Al5.(P3O10)3 |
| 189 | 13963-57-0 | Aluminum acetylacetonate | C15H21AlO6 |
| 190 | 7784-25-0 | Aluminum ammonium sulfate | Al(NH4).(SO4)2 |
| 191 | 24304-00-5 | Aluminum nitride | |
| 192 | 20859-73-8 | Aluminum phosphide | |
| 193 | 14154-42-8 | Aluminum phthalocyanine chloride | C32H16AlClN8 |
| 194 | 5560-59-8 | Alverine citrate | C20H27N.C6H8O7 |
| 195 | 150-59-4 | Alverine | C20H27N |
| 196 | 23828-92-4 | Ambroxol hydrochloride | C13H18Br2N2O.HCl;C13H19Br2ClN2O |
| 197 | 18683-91-5 | Ambroxol | C13H18Br2N2O |
| 198 | 834-12-8 | Ametryn | C9H17N5S |
| 199 | 30578-37-1 | Amezinium methylsulfate | C11H12N3O.CH3O4S |
| 200 | 129909-90-6 | Amicarbazone | C10H19N5O2 |