| 1 | 689-00-9 | Ethynyl propyl ketone | C6H8O | 96.13 | | |
| 2 | 689-01-0 | Propanal, 2-hydrazinylidene-, hydrazone | C3H8N4 | 100.12 | | |
| 3 | 689-02-1 | mercaptopropionylhydrazide | C3H8N2OS | 120.1734 | | |
| 4 | 689-06-5 | 3-Hexen-2-one, 4-methyl- | C7H12O | 112.17 | | |
| 5 | 689-09-8 | methyl 3-amino-3-thioxopropanoate | C4H7NO2S | 133.17 | | |
| 6 | 689-10-1 | Acetic acid, (dichlorophosphino)-, methyl ester | C3H5Cl2O2P | 174.950361 | | |
| 7 | 689-11-2 | sec-butylurea | C5H12N2O | 116.16 | 165-166 °C | |
| 8 | 689-12-3 | iso-Propyl acrylate | C6H10O2 | 114.14 | 37.22°C (estimate) | |
| 9 | 689-13-4 | Hadacidin | C3H5NO4 | 119.08 | | |
| 10 | 689-16-7 | 2-Oxopropane-1,3-disulfonic acid dimethyl ester | | | | |
| 11 | 689-31-6 | 3-OXOHEXANEDIOIC ACID | C6H8O5 | 160.12 | 124-126°C(lit.) | |
| 12 | 689-39-4 | 6,8-Dimethyl-5-nonen-2-one | C11H20O | 168.28 | | |
| 13 | 689-45-2 | 2-Butenoic acid, 4-oxo-4-[(2,2,2-trifluoroethyl)amino]-, (2Z)- | C6H6F3NO3 | 197.1119496 | | |
| 14 | 689-46-0 | 3-Amino-4H-thiochromen-4-one | | | | |
| 15 | 689-46-3 | Borane, methylbis(3,3,3-trifluoropropyl)- | C7H11BF6 | 219.96 | | |
| 16 | 689-58-7 | PEG-30 GLYCERYL ISOSTEARATE | C14H26O | 210.36 | | |
| 17 | 689-65-6 | 4-Decenal, 5,9-dimethyl- | C12H22O | 182.3 | | |
| 18 | 689-66-7 | 5-Undecen-2-one, 6,10-dimethyl- | C13H24O | 196.33 | | |
| 19 | 689-67-8 | 6,10-Dimethyl-5,9-undecadien-2-one | C13H22O | 194.31 | | Not miscible or difficult to mix in water. Soluble in alcohol. |
| 20 | 689-68-9 | Methyl 5-oxotridecanoate | C14H26O3 | 242.35 | | |
| 21 | 689-69-0 | methyl 10-oxohexadecanoate | C17H32O3 | 284.43 | | |
| 22 | 689-77-0 | Methyl=thiocyanoacetate | C4H5NO2S | 131.153 | | |
| 23 | 689-82-7 | potassium hydrogenmaleate | C4H3KO4 | 154.16 | | |
| 24 | 689-87-2 | 1-Fluoro-2-heptanone | C7H13FO | 132.18 | | |
| 25 | 689-89-4 | methyl sorbate | C7H10O2 | 126.15 | 15°C | |
| 26 | 689-90-7 | 1-Butene, 3-(butylthio)- | C8H16S | 144.27764 | | |
| 27 | 689-93-0 | ethylmethylarsine | | | | |
| 28 | 689-94-1 | Ethene-d, 2-bromo-, (Z)- (9CI) | C2H3Br | 106.95 | | |
| 29 | 689-97-4 | 1-BUTEN-3-YNE | C4H4 | 52.07 | 203 °C(Solv: water (7732-18-5)) | |
| 30 | 689-98-5 | 2-Chloroethanamine | C2H6ClN | 79.53 | 146-148 °C | |
| 31 | 689-99-6 | 1,2-Difluoroethylene | C2F2 | 62.02 | | |