| FC-0200443 | 1-Chloro Dihydro Dutasteride CAS 1365545-42-1 | — | |
| FC-0866451 | 1-Chloro ethyl chloroformate CAS 50893-53-3 | — | |
| FC-0057237 | 1-Chloro-2,4-dimethoxybenzene CAS 7051-13-0 | — | |
| FC-0164195 | 1-Chloro-2-iodobenzene CAS 615-41-8 | — | |
| FC-0643798 | 1-Chloro-3,5-di-(4-chlorobenzoyl)-2-deoxy-D-ribose CAS 21740-23-8 | — | |
| FC-0312092 | 1-Chloro-3,5-di-O-toluoyl-2-deoxy-D-ribofuranose CAS 3601-89-6 | — | |
| FC-0750331 | 1-Chloro-N,N,2-trimethylpropenylamine CAS 26189-59-3 | — | |
| FC-0028742 | 1-Chlorodecane CAS 1002-69-3 | — | |
| FC-0269965 | 1-Cyano-3-isopropylguanidine CAS 44830-55-9 | — | |
| FC-0497337 | 1-Cyanoimidazole CAS 36289-36-8 | — | |
| FC-0374564 | 1-Cyclohexene-1-carboxylic acid CAS 636-82-8 | — | |
| FC-0173209 | 1-Cyclohexenylisocyanide CAS 1121-57-9 | — | |
| FC-0246572 | 1-Cyclohexenyloxytrimethylsilane CAS 6651-36-1 | — | |
| FC-0283758 | 1-Cyclopropyl-6,7,8-trifluoro-1,4-dihydro-4-oxo-3-quinolinecarboxylic Acid CAS 94695-52-0 | — | |
| FC-0026030 | 1-Cyclopropyl-6,7-difluoro-1,4-dihydro-8-methoxy-4-oxo-3-quinolinecarboxylic acid ethyl ester CAS 112811-71-9 | — | |
| FC-0291322 | 1-Cyclopropyl-6-fluoro-1,4-dihydro-8-methoxy-7-(3-methyl-1-piperazinyl)-4-oxo-3-quinolinecarboxylic acid CAS 112811-59-3 | — | |
| FC-0424869 | 1-Cyclopropylpiperazine CAS 20327-23-5 | — | |
| FC-0435672 | 1-DEHYDROANDRENOSTERONE CAS 7738-93-4 | — | |
| FC-0142223 | 1-DODECENE CAS 112-41-4 | — | |
| FC-0028537 | 1-Decanethiol CAS 143-10-2 | — | |