| 660-68-4 | Diethylamine hydrochloride | C4H11N.HCl |
| 660-27-5 | Diisopropylammonium dichloroacetate | C6H15N.C2H2Cl2O2 |
| 660-88-8 | 5-AMINOVALERIC ACID | C5H11NO2 |
| 660-12-8 | N-BUTANESULFONYL FLUORIDE | C4H9 F O2 S |
| 660-53-7 | anilinetrifluoroboron | C6H7BF3N |
| 660-60-6 | Cupric stearate | C18H36 O2 . 1/2 Cu |
| 660-74-2 | DIETHYLTIN | C4H10 Sn |
| 660-78-6 | methyl(3,3,3-trifluoropropyl)silanediol | C4H9 F3 O2 Si |