Basic Chemicals
| NO. | English Name | CAS No. |
| 46 | Chlorotrimethylsilane | 75-77-4 |
| 47 | Cysteamine hydrochloride | 156-57-0 |
| 48 | Caffeine | 58-08-2 |
| 49 | Chloroacetyl chloride | 79-04-9 |
| 50 | D-(+)-Glucono-1,5-lactone | 90-80-2 |
| 51 | D(+)-Tryptophan | 153-94-6 |
| 52 | Diethyl ethoxymethylenemalonate | 87-13-8 |
| 53 | Diglyme | 111-96-6 |
| 54 | Dimethyl sulfoxide | 67-68-5 |
| 55 | Diphenyl Amine | 122-39-4 |
| 56 | Disperse Blue 56 | 12217-79-7 |
| 57 | Di-tert-butyl dicarbonate | 24424-99-5 |
| 58 | DL-Tartaric Acid | 133-37-9 |
| 59 | DMF | 68-12-2 |
| 60 | D-Serine | 312-84-5 |
| 61 | D-Tartaric acid | 147-71-7 |
| 62 | Diisopropyl ether | 108-20-3 |
| 63 | Diclazuril | 101831-37-2 |
| 64 | Ethyl vanillin | 121-32-4 |
| 65 | Fluorobenzene | 462-06-6 |