| Cas No | Structure | Product name | Catalog No. |
| 5753-96-8 | Ethyl 2-oxohexanoate | CK-01-001 | |
| 26073-09-6 | Ethyl 4-methyl-2-oxopentanoate | CK-01-003 | |
| 50461-74-0 | Pentanoic acid, 2-oxo-, ethyl ester | CK-01-012 | |
| 89711-08-0 | Carbamic acid, N-(2-oxoethyl)-, 1,1-dimethylethyl ester | CK-01-006 | |
| 58885-60-2 | Carbamic acid, N-(3-oxopropyl)-, 1,1-dimethylethyl ester | CK-01-007 | |
| 123387-72-4 | N-BOC-(methylamino)acetaldehyde | CK-01-018 | |
| 22668-36-6 | Pentanoic acid, 5-oxo-, ethyl ester | CK-01-037 | |
| 6026-86-4 | Pentanoic acid, 5-oxo-, methyl ester | CK-01-033 | |
| 3990-05-4 | Heptanoic acid, 7-oxo-, ethyl ester | CK-01-038 | |
| 35376-00-2 | Heptanoic acid, 7-oxo-, methyl ester | CK-01-038M | |
| 27983-42-2 | Hexanoic acid, 6-oxo-, ethyl ester | CK-01-039 | |
| 6654-36-0 | Hexanoic acid, 6-oxo-, methyl ester | CK-01-041 | |
| 3685-25-4 | trans-4-Aminocyclohexanecarboxylic Acid | CK-03-006 | |
| 27960-59-4 | trans-4-Aminocyclohexanecarboxylic acid hydrochloride | CK-03-009 | |
| 61367-07-5 | Methyl trans-4-aminocyclohexanecarboxylate hydrochloride | CK-03-010 |