| 1 | 631-01-6 | Quillaic acid | C30H46O5 | 486.68 | 294℃ | |
| 2 | 631-06-1 | Dexoxadrol | C20H24ClNO2 | 345.87 | 248-254 °C | |
| 3 | 631-07-2 | rac N-Desmethyl Mephenytoin | C11H12N2O2 | 204.23 | 195-200°C | 804.4mg/L(37 ºC) |
| 4 | 631-22-1 | Diethyl dibromomalonate | C7H10Br2O4 | 317.96 | | |
| 5 | 631-23-2 | Diethyl bis(hydroxymetyl)malonate | C7H12O6 | 192.17 | | |
| 6 | 631-25-4 | 1,2,3-Propanetricarboxylicacid, 2-hydroxy-, 1,2,3-tris(phenylmethyl) ester | C27H26O7 | 462.49 | | |
| 7 | 631-27-6 | GLYCLOPYRAMIDE | C11H14ClN3O3S | 303.77 | 200°C | |
| 8 | 631-28-7 | 1,2,3-tribromo-2-methylpropane | C4H7Br3 | 294.81 | -16.79°C (estimate) | |
| 9 | 631-31-2 | 2-Ethyl-2-methylsuccinic Acid | C7H12O4 | 160.17 | 64.6-65.4 °C | |
| 10 | 631-36-7 | Tetraethylsilane | C8H20Si | 144.33 | -82.5 °C (lit.) | Insoluble in water. |
| 11 | 631-38-9 | 1,1-bis[(dimethylamino)methyl]propyl benzoate monohydrochloride | C16H27ClN2O2 | 314.85078 | | |
| 12 | 631-40-3 | Tetrapropylammonium iodide | C12H28IN | 313.26 | 280-285 °C (dec.) (lit.) | SOLUBLE |
| 13 | 631-40-4 | TetrapropylammoniumIodide | | | | |
| 14 | 631-41-4 | TETRAETHANOL AMMONIUM HYDROXIDE | C8H21NO5 | 211.26 | | |
| 15 | 631-43-6 | 3-fluoromevalonate | | | | |
| 16 | 631-44-7 | Tris(2-chlorophenyl) phosphate | C18H12Cl3O4P | 429.62 | | |
| 17 | 631-45-8 | Tri-o-tolylthiophosphate | C21H21O3PS | 384.43 | | |
| 18 | 631-57-2 | PYRUVONITRILE | C3H3NO | 69.06 | | |
| 19 | 631-58-3 | Thiopropionamide | C3H7NS | 89.16 | 40°C | Practically insoluble in water |
| 20 | 631-59-4 | dihydroxyacetaldehyde | C2H4O3 | 76.05 | | |
| 21 | 631-60-7 | Mercury(I) acetate | C4H6Hg2O4 | 519.27 | 178-180°C | 0.75g/100mL H2O (12°C) [CRC10] |
| 22 | 631-61-8 | Acetic acid, ammonium salt | C2H7NO2 | 77.08 | 110-112 °C (dec.) (lit.) | 1480 g/L (20 ºC) |
| 23 | 631-62-9 | diuronium oxalate | C4H10N4O6 | 210.1454 | | |
| 24 | 631-64-1 | Dibromoacetic Acid | C2H2Br2O2 | 217.84 | 32-38 °C (lit.) | |
| 25 | 631-65-2 | 2-Chloro-3-methylbutane. | 631-65-2 | 106.59 | | |
| 26 | 631-66-3 | pyruvamide | C3H5NO2 | 87.08 | 123-124 °C | |
| 27 | 631-67-4 | N,N-Dimethylthioacetamide | C4H9NS | 103.19 | 72-75 | |
| 28 | 631-69-6 | beta-boswellic acid | C30H48O3 | 456.71 | 130-135°C | |
| 29 | 631-71-0 | Abietic Acid Ethyl Ester | C22H34O2 | 330.5 | | |
| 30 | 631-81-2 | 4-chlorophenyl phenylMethane | C13H11Cl | 202.67944 | | |
| 31 | 631-87-8 | all-trans-Retinyl Stearate | C38H64O2 | 552.91 | | |
| 32 | 631-88-9 | all-trans-Retinyl Oleate | C38H62O2 | 550.9 | | |
| 33 | 631-89-0 | RETINYL LINOLEATE | C38H60O2 | 548.88 | | |
| 34 | 631-93-6 | 4-Chloro-N-(4-chlorophenyl)-N-methylbenzenesulfonamide | C13H11Cl2NO2S | 316.2 | | |