| 1 | 505-00-0 | 2,7-Diamino-4,5-dithia-1,8-octanediol | C6H16N2O2S2 | 212.33344 | | |
| 2 | 505-01-1 | (Z)-2-Decene-4,6-diyneoic acid methyl ester | C11H12O2 | 176.21 | | |
| 3 | 505-03-3 | Hexanal, 5-oxo- | C6H10O2 | 114.14 | | |
| 4 | 505-06-6 | 2-[(2,2-difluoroethyl)amino]ethan-1-ol | C4H9F2NO | 125.12 | | |
| 5 | 505-07-7 | hydrogen pyridine tetrafluoroboranuide | | | 210-211 °C | |
| 6 | 505-10-2 | 3-Methylthiopropanol | C4H10OS | 106.19 | -100°C (estimate) | |
| 7 | 505-12-4 | 1-Fluoro-2-isocyanatoethane | C3H4FNO | 89.07 | | |
| 8 | 505-13-5 | Thiocyanic acid 2-fluoroethyl ester | C3H4FNS | 105.13 | | |
| 9 | 505-14-6 | azanylidyne-cyanodisulfanyl-methane | C2N2S2 | 116.16 | 15.5°C | |
| 10 | 505-18-0 | 1-piperideine | C5H9N | 83.13 | 60.50 °C | |
| 11 | 505-19-1 | Hexahydropyridazin | C4H10N2 | 86.14 | | |
| 12 | 505-20-4 | Tetrahydro-1,2-dithiin | C4H8S2 | 120.24 | 32.5°C | |
| 13 | 505-21-5 | Hexahydro-pyrimidine | C4H10N2 | 86.14 | | |
| 14 | 505-22-6 | 1,3-Dioxane (M-) | C4H8O2 | 88.11 | | |
| 15 | 505-23-7 | 1,3-Dithiane | C4H8S2 | 120.24 | 52-54 °C (lit.) | Soluble in benzene, ether, chloroform and terahydrofuran. Slightly soluble in water. |
| 16 | 505-29-3 | 1,4-dithiane | C4H8S2 | 120.24 | 107-113 °C (lit.) | |
| 17 | 505-32-8 | Isophytol | C20H40O | 296.53 | 43.4°C (estimate) | Practically insoluble |
| 18 | 505-34-0 | CHEIROLIN | C5H9NO2S2 | 179.26 | 47-48° | |
| 19 | 505-36-2 | pent-2-enedioic acid | C5H6O4 | 130.1 | | |
| 20 | 505-37-3 | 2-Pentynedioic acid | C5H4O4 | 128.08 | | |
| 21 | 505-44-2 | Iberin | C5H9NOS2 | 163.26 | | |
| 22 | 505-47-5 | 3,3'-Iminodipropionic Acid | C6H11NO4 | 161.16 | | |
| 23 | 505-48-6 | Suberic acid | C8H14O4 | 174.19 | 140-144°C(lit.) | 0.6 g/L (20 ºC) |
| 24 | 505-52-2 | 1,11-Undecanedicarboxylic acid | C13H24O4 | 244.33 | 112-114°C(lit.) | Insoluble |
| 25 | 505-53-3 | (2E,4E,6E,8E,10E,12E)-2,4,6,8,10,12-Tetradecahexene-1,14-dioic acid | C14H14O4 | 246.26 | | |
| 26 | 505-54-4 | Hexadecanedioic acid | C16H30O4 | 286.41 | 120-123°C(lit.) | 5.098mg/L at 20℃ |
| 27 | 505-55-5 | Henicosanedioic acid | C21H40O4 | 356.54 | 112-113 °C | |
| 28 | 505-56-6 | BEHENIC ACID | C22H42O4 | 370.57 | 72-80 °C(lit.) | |
| 29 | 505-57-7 | hex-2-enal | C6H10O | 98.14 | -66°C (estimate) | |
| 30 | 505-60-2 | Mustard gas | C4H8Cl2S | 159.08 | | |
| 31 | 505-63-5 | 1,2-Dioxepane | C5H10O2 | 102.13 | | |
| 32 | 505-65-7 | TETRAMETHYLENE FORMAL | C5H10O2 | 102.13 | | 263g/L at 20℃ |
| 33 | 505-66-8 | Homopiperazine | C5H12N2 | 100.16 | 38-40 °C (lit.) | Soluble in water. |
| 34 | 505-68-0 | 1,4-Dioxepane | C5H10O2 | 102.13 | | |
| 35 | 505-70-4 | MUCONIC ACID | C6H6O4 | 142.11 | 305 °C | 0.2g/L(20 ºC) |
| 36 | 505-71-5 | N,N'-dinitroethylenediamine | C2H6N4O4 | 150.09 | 175.25°C | |
| 37 | 505-72-6 | 3-(Carboxymethylamino)propanoic acid | C5H9NO4 | 147.13 | | |
| 38 | 505-73-7 | THIODIGLYCOLIC ACID | C4H6O4S2 | 182.22 | 128-131 °C(lit.) | very faint turbidity |
| 39 | 505-75-9 | cicutoxin | C17H22O2 | 258.36 | 54° | |
| 40 | 505-79-3 | 3-(Methylthio)propyl isothiocyanate | C5H9NS2 | 147.26 | | |
| 41 | 505-84-0 | dipropoxymethane | C7H16O2 | 132.2 | -97.3°C | |
| 42 | 505-86-2 | n,n,n-trimethyl-1-hexadecanaminiuhydroxide | C19H43NO | 301.55 | | Soluble in water |
| 43 | 505-87-3 | N-(2-Thiazolyl)-3-oxobutyramide | C9H8O2 | 148.16 | | |
| 44 | 505-90-8 | CIS-4-DECENOIC ACID | C10H18O2 | 170.25 | 18.83°C (estimate) | |
| 45 | 505-92-0 | linderic acid | C12H22O2 | 198.3 | 0.7°C | |
| 46 | 505-95-3 | 12-Hydroxylauric Acid | C12H24O3 | 216.32 | 85-88 °C(lit.) | |
| 47 | 505-98-6 | 2,8-Decadiene-4,6-diyn-1-ol | C10H10O | 146.19 | | |