| 1 | 781-01-1 | Benzenesulfonamide, N-(aminoiminomethyl)-4-(formylamino)- | C8H10N4O3S | 242.26 | | |
| 2 | 781-03-3 | 1-methyl-4-(3-methylbut-3-enoxysulfonyl)benzene | C12H16O3S | | | |
| 3 | 781-05-5 | 3-Penten-1-ol, 1-(4-methylbenzenesulfonate), (3Z)- | C12H16O3S | 240.32 | | |
| 4 | 781-07-7 | Benzenesulfonic acid, hexyl ester | C12H18O3S | 242.33452 | | |
| 5 | 781-09-9 | N-acetanilid | C10H9ClF3NO | 251.63 | | |
| 6 | 781-14-6 | 1,2-Benzenediamine, 3,4-bis(trifluoromethyl)- | C8H6F6N2 | 244.14 | | |
| 7 | 781-15-7 | 1,2,3,4-TETRACHLORO-5,6-DINITROBENZENE | C6Cl4N2O4 | 305.89 | | |
| 8 | 781-16-8 | 1,1'-Biphenyl, 2,2',6,6'-tetrafluoro- | C12H6F4 | 226.17 | | |
| 9 | 781-17-9 | 4,5,9,10-tetrahydropyrene | C16H14 | 206.28 | 138.0 to 142.0 °C | |
| 10 | 781-23-7 | (NE)-N-(2,3-dihydro-1H-phenanthren-4-ylidene)hydroxylamine | C14H13NO | 211.26 | | |
| 11 | 781-28-2 | NSC 69491 | C7H4Cl2F3N3O | 274.0273696 | | |
| 12 | 781-32-8 | (2-bromo-1-phenylprop-1-enyl)benzene | C15H13Br | 273.16772 | | |
| 13 | 781-33-9 | 2-Benzhydrylidenepropane | C16H16 | 208.3 | | |
| 14 | 781-34-0 | Benzene, 1,1'-(2-chloro-1-propen-1-ylidene)bis- | C15H13Cl | 228.72 | | |
| 15 | 781-35-1 | 1,1-Diphenylacetone | C15H14O | 210.27 | 59-63 °C (lit.) | |
| 16 | 781-38-4 | ethyl 2-(3-methyl-2,4,5-trioxocyclopentyl)-2-oxoacetate | C10H10O6 | 226.18 | 160-161 °C | |
| 17 | 781-43-1 | 9,10-Dimethylanthracene | C16H14 | 206.28 | 182-184 °C (lit.) | Soluble in toluene. Insoluble in water. |
| 18 | 781-50-0 | Naphtho[2,3-b]furan, 2,3-dihydro-4-methoxy-2-methyl- | C14H14O2 | 214.26 | | |
| 19 | 781-57-7 | 9-[BROMO(FLUORO)METHYLENE]-9H-FLUORENE | C14H8BrF | 275.12 | | |
| 20 | 781-58-8 | 1H-Indole-2,3-dione, 1-[(dichlorofluoromethyl)thio]- | C9H4Cl2FNO2S | 280.1 | | |
| 21 | 781-60-2 | Pyrrolo[2,1-b]thiazole, 3,7-dimethyl-6-phenyl- | C14H13NS | 227.32 | | |
| 22 | 781-64-6 | 9H-Thioxanthen-9-one, 7-amino-1,2,3,4-tetrahydro- | C13H13NOS | 231.31 | | |
| 23 | 781-66-8 | [[(E)-[5-(hydroxymethyl)-2-methyl-3-oxo-pyridin-4-ylidene]methyl]amino]urea | C9H12N4O3 | 224.22 | | |
| 24 | 781-71-4 | 2’-Deoxy-2'-Fluorouridine | | | | |
| 25 | 781-73-7 | 2-Acetylfluorene | C15H12O | 208.26 | 128-129 °C (lit.) | 1 g/L (20 ºC) |
| 26 | 781-74-8 | 1-Naphthalenebutyric acid | C14H14O2 | 214.26 | | |
| 27 | 781-77-1 | 1H-Isoindole-1,3(2H)-dione, 2-[(chlorodifluoromethyl)thio]- | C9H4ClF2NO2S | 263.65 | | |
| 28 | 781-79-3 | Acetamide, N-[4-chloro-5-(2-cyanoethyl)-6-methyl-2-pyrimidinyl]- | C10H11ClN4O | 238.67 | | |
| 29 | 781-89-5 | BETA-METHYL-BETA-NITRO-2'-(TRIFLUOROMETHYL)STYRENE | C10H8F3NO2 | 231.17 | | |
| 30 | 781-92-0 | 1,4-DIMETHYLANTHRACENE | C16H14 | 206.28 | | |
| 31 | 781-94-2 | 5-(Trifluoromethyl)isatoic anhydride | C9H4F3NO3 | 231.1281696 | | |
| 32 | 781-95-3 | Phenol, 4-(methylthio)-3-nitro-, 1-methanesulfonate | C8H9NO5S2 | 263.29 | | |
| 33 | 781-97-5 | 1-(4-CHLOROPHENYL)-2,2,3,3,3-PENTAFLUORO-PROPAN-1-ONE | C9H4ClF5O | 258.57 | | |