| No. | CAS # | Product Names | Molecular Formula |
| 51 | 915-67-3 | Acid Red 27 | C20H11N2Na3O10S3 |
| 52 | 568-63-8 | Acid Red 51 | C20H6I4Na2O5 |
| 53 | 5413-75-2 | Acid Red 73 | C22H14N4Na2O7S2 |
| 54 | 18472-87-2 | Acid Red 92 | C20H2Br4Cl4Na2O5 |
| 55 | 1694-09-3 | Acid Violet 49 | |
| 56 | 2429-76-7 | Acid Yellow 44 | C34H30N6Na2O10S2 |
| 57 | 62476-59-9 | Acifluorfen sodium | C14H6ClF3NNaO5 |
| 58 | 50594-66-6 | Acifluorofen | C14H7ClF3NO5 |
| 59 | 51037-30-0 | Acipimox | C6H6N2O3 |
| 60 | 55079-83-9 | Acitretin | C21H26O3 |
| 61 | 55077-30-0 | Aclatonium napadisilate | C30H44N2O14S2 |
| 62 | 302-27-2 | Aconitine | C34H47NO11 |
| 63 | 69-44-3 | Acrichin dihydrochloride | C20H22ClN3O.2(HCl) |
| 64 | 87848-99-5 | Acrivastine | C22H24N2O2 |
| 65 | 6044-68-4 | Acrolein dimethyl acetal | C5H10O2 |
| 66 | 107-02-8 | Acrolein | C3H4O |
| 67 | 79-06-1 | acrylamide | C3H5NO |
| 68 | 79-10-7 | Acrylic acid | C3H4O2 |
| 69 | 2051-76-5 | Acrylic anhydride | C6H6O3 |
| 70 | 25767-39-9 | acrylic resin | |
| 71 | 107-13-1 | Acrylonitrile | C3H3N |
| 72 | 44992-01-0 | Acryloyloxyethyltrimethyl ammonium chloride | C8H16NO2.Cl |
| 73 | 814-68-6 | Acrylyl chloride | C3H3ClO |
| 74 | 18699-02-0 | Actarit | C10H11NO3 |
| 75 | 18642-44-9 | Actein | C37H56O11 |
| 76 | 66-81-9 | Actidione | C15H23NO4 |
| 77 | 59277-89-3 | Acyclovir | C8H11N5O3 |
| 78 | 281-23-2 | Adamantane | C10H16 |
| 79 | 106685-40-9 | Adapalene | C28H28O3 |
| 80 | 142340-99-6 | Adefovir dipivoxil | C20H32N5O8P |
| 81 | 106941-25-7 | Adefovir | C8H12N5O4P |
| 82 | 97540-22-2 | Ademetionine disulfate tosylate | C15H22N6O5S.2(H2SO4).C7H8SO3 |
| 83 | 2922-28-3 | Adenine hydrochloride | C5H5N5.HCl |
| 84 | 52175-10-7 | Adenine phosphate | C5H8N5O4P |
| 85 | 70700-30-0 | Adenine phosphate | C5H8N5O4P |
| 86 | 321-30-2 | Adenine sulfate | 2(C5H5N5).H2SO4 |
| 87 | 73-24-5 | adenine | C5H5N5 |
| 88 | 61-19-8 | Adenosine 5'-monophosphate | C10H14N5O7P |
| 89 | 51963-61-2 | Adenosine 5'-triphosphate disodium salt | C10H14N5Na2O13P3 |
| 90 | 987-65-5 | Adenosine 5'-triphosphate disodium salt | C10H14N5Na2O13P3 |
| 91 | 56-65-5 | ADENOSINE TRIPHOSPHATE | C10H16N5O13P3 |
| 92 | 58-61-7 | Adenosine | C10H13N5O4 |
| 93 | 000000-00-0 | Adhesive for shoes | |
| 94 | 50-42-0 | Adiphenine hydrochloride | C20H25NO2.HCl |
| 95 | 63547-13-7 | Adrafinil | C15H15NO3S |
| 96 | 23214-92-8 | Adriamycin | C27H29NO11 |
| 97 | 9002-18-0 | Agar | (C12H18O9)n |
| 98 | 2482-00-0 | Agmatine sulfate | C5H14N4.H2SO4;C5H16N4O4S |
| 99 | 11027-63-7 | Agnuside | C22H26O11 |
| 100 | 15972-60-8 | Alachlor | C14H20ClNO2 |