| No. | CAS # | Product Names | Molecular Formula |
| 2951 | 7138-34-3 | 4-Chloromandelic acid | C8H7ClO3 |
| 2952 | 1667-11-4 | 4-Chloromethylbiphenyl | C13H11Cl |
| 2953 | 10177-29-4 | 4-Chloronicotinic acid | C6H4ClNO2 |
| 2954 | 156-41-2 | 4-Chlorophenethylamine | C8H10ClN |
| 2955 | 106-48-9 | 4-Chlorophenol | C6H5ClO |
| 2956 | 6640-25-1 | 4-Chlorophenyl cyclopropyl ketone | C10H9ClO |
| 2957 | 7205-80-3 | 4-Chlorophenyl ethyl sulfone | C8H9ClO2S |
| 2958 | 1878-66-6 | 4-Chlorophenylacetic acid | C8H7ClO2 |
| 2959 | 1679-18-1 | 4-Chlorophenylboronic acid | C6H6BClO2 |
| 2960 | 89-20-3 | 4-Chlorophthalic acid | C8H5ClO4 |
| 2961 | 7147-90-2 | 4-Chlorophthalimide | C8H4ClNO2 |
| 2962 | 5382-19-4 | 4-Chloropiperidine hydrochloride | C5H11NCl2 |
| 2963 | 95-88-5 | 4-chlororesorcinol | C6H5ClO2 |
| 2964 | 5106-98-9 | 4-Chlorosalicylic acid | C7H5ClO3 |
| 2965 | 855-19-6 | 4-Chlorotestosterone acetate | C21H29ClO3 |
| 2966 | 106-54-7 | 4-Chlorothiophenol | C6H5ClS |
| 2967 | 106-43-4 | 4-Chlorotoluene | C7H7Cl |
| 2968 | 491-37-2 | 4-Chromanone | C9H8O2 |
| 2969 | 66044-94-8 | 4-Cyano-4'-n-butyl-p-terphenyl | C23H21N |
| 2970 | 105-07-7 | 4-Cyanobenzaldehyde | C8H5NO |
| 2971 | 619-65-8 | 4-Cyanobenzoic acid | C8H5NO2 |
| 2972 | 6068-72-0 | 4-Cyanobenzoyl chloride | C8H4ClNO |
| 2973 | 17201-43-3 | 4-Cyanobenzyl bromide | C8H6BrN |
| 2974 | 10406-25-4 | 4-Cyanobenzylamine | C8H8N2 |
| 2975 | 2920-38-9 | 4-Cyanobiphenyl | C13H9N |
| 2976 | 16136-52-0 | 4-Cyanoindole | C9H6N2 |
| 2977 | 126747-14-6 | 4-Cyanophenylboronic acid | C7H6BNO2 |
| 2978 | 2863-98-1 | 4-Cyanophenylhydrazine hydrochloride | C7H7N3.HCl |
| 2979 | 1131-60-8 | 4-Cyclohexylphenol | C12H16O |
| 2980 | 42906-19-4 | 4-Di-p-tolylamino-benzaldehyde | C21H19NO |
| 2981 | 1424-65-3 | 4-Dibenzylamino-2-methylbenzo-aldehyde | C22H21NO |
| 2982 | 24828-38-4 | 4-Diethylamino-2-methylphenylammonium chloride | C11H18N2.HCl |
| 2983 | 151103-08-1 | 4-Difluoromethoxy-3-hydroxybenzaldehyde | C8H6F2O3 |
| 2984 | 58-15-1 | 4-Dimethylaminoantipyrine;AMINOPYRINE | C13H17N3O |
| 2985 | 1122-58-3 | 4-Dimethylaminopyridine | C7H10N2 |
| 2986 | 132-18-3 | 4-Diphenyl Methoxy-l-Methyl Piperidine Hydrochloride | |
| 2987 | 2305-05-7 | 4-Dodecanolide | C12H22O2 |
| 2988 | 51997-51-4 | 4-Epoxypropanoxycarbazole | C15H13NO2 |
| 2989 | 55836-71-0 | 4-Ethoxybenzamide | C9H11NO2 |
| 2990 | 16331-46-7 | 4-Ethoxybenzoyl chloride | C9H9ClO2 |
| 2991 | 79887-14-2 | 4-Ethoxyphenylacetylene | C10H10O |
| 2992 | 2785-89-9 | 4-Ethyl-2-methoxyphenol | C9H12O2 |
| 2993 | 1899-06-5 | 4-Ethyl-3-(1-methylethyl)benzenamine | C11H17N |
| 2994 | 137234-88-9 | 4-Ethyl-5-fluoropyridine | C6H7FN2 |
| 2995 | 937-30-4 | 4-Ethylacetophenone | C10H12O |
| 2996 | 16712-69-9 | 4-Ethylbenzene-1-sulfonyl chloride | C8H9ClO2S |
| 2997 | 619-64-7 | 4-Ethylbenzoic acid | C9H10O2 |
| 2998 | 16331-45-6 | 4-Ethylbenzoyl chloride | C9H9ClO |
| 2999 | 5707-44-8 | 4-Ethylbiphenyl | C14H14 |
| 3000 | 5441-51-0 | 4-Ethylcyclohexanone | C8H14O |