| 1 | 581-00-0 | 2-Methyl-4-(4-morpholinyl)benzenamine | C11H16N2O | 192.26 | | |
| 2 | 581-05-5 | α-Melanocyte stimulating hormone | C77H109N21O19S | 1664.88 | | Soluble in water (~1 mg/ml). |
| 3 | 581-08-8 | 2'-ethoxyacetanilide | C10H13NO2 | 179.22 | 79°C | |
| 4 | 581-12-4 | (-)-Ngainone | C15H22O3 | 250.33 | | |
| 5 | 581-28-2 | acridin-2-amine | C13H10N2 | 194.23 | 218℃ | 9.712mg/L(24 ºC) |
| 6 | 581-29-3 | acridin-3-ylamine | C13H10N2 | 194.23 | 224°C | 29.14mg/L(24 ºC) |
| 7 | 581-30-6 | 3-Phenothiazone | C12H7NOS | 213.26 | | |
| 8 | 581-31-7 | Suberosin | C15H16O3 | 244.29 | 87.5 °C(Solv: methanol (67-56-1)) | |
| 9 | 581-40-8 | 2,3-dimethylnaphthalene | C12H12 | 156.22 | 103-104 °C (lit.) | Solubility in toluene (almost transparency). Insoluble in water. |
| 10 | 581-42-0 | 2,6-Dimethylnaphthalene | C12H12 | 156.22 | 106-110 °C (lit.) | 2mg/L(25 ºC) |
| 11 | 581-43-1 | 2,6-Dihydroxynaphthalene | C10H8O2 | 160.17 | 223-225°C(lit.) | Soluble in methanol and hot water. Slightly soluble in water. |
| 12 | 581-45-3 | 4-Piperidin-4-Ylpyridine | C10H14N2 | 162.23 | 84.0 to 88.0 °C | |
| 13 | 581-46-4 | 3,3'-Bipyridyl | C10H8N2 | 156.18392 | | |
| 14 | 581-47-5 | 2,4'-Dipyridyl | C10H8N2 | 156.18 | 58-62 °C | |
| 15 | 581-49-7 | 3-[(2S)-1,2,3,6-tetrahydropyridin-2-yl]pyridine | C10H12N2 | 160.22 | | |
| 16 | 581-50-0 | Isonicoteine | C10H8N2 | 156.18 | 30-32 °C(Solv: ligroine (8032-32-4)) | |
| 17 | 581-55-5 | BENZAL DIACETATE | C11H12O4 | 208.21 | 44-46°C | |
| 18 | 581-64-6 | THROMBIN | C12H10ClN3S | 263.74 | | |
| 19 | 581-71-5 | 3-hydroxynaphthalene-2-carbaldehyde | C11H8O2 | 172.18 | 98 °C | |
| 20 | 581-72-6 | 2-(BroMoMethyl)-6-fluoronaphthalene | C11H8BrF | 239.08 | 53 °C | |
| 21 | 581-75-9 | 2,6-Naphthalene Disulfonic Acid | C10H8O6S2 | 288.3 | | |
| 22 | 581-80-6 | 4-(TRIFLUOROMETHYL)-BIPHENYL | C14H8F6 | 290.2 | 90-94°C(lit.) | |
| 23 | 581-83-9 | 1-(4-BIPHENYLYL)-4,4,4-TRIFLUORO-1,3-BUTANEDIONE | C16H11F3O2 | 292.25 | | |
| 24 | 581-88-4 | Debrisoquin Hemisulfate | C20H28N6O4S | 448.54 | 278-280°, 284-285° or 266-268° (H2O) | |
| 25 | 581-89-5 | 2-Nitronaphthalene | C10H7NO2 | 173.168 | | |
| 26 | 581-9-7--5 | N-Acetyl-2-naphthylamine;2-Acetamidonaphthalene;2-Acetonaphthalide;N-2-Naphthylacetamide | C12H11NO | 185.22184 | 130-132°C | |
| 27 | 581-90-8 | Naphthalene, 2-(trifluoromethyl)- | C11H7F3 | 196.17 | 67.5 °C | |
| 28 | 581-93-1 | Glycine,N-[N-(2-quinolinylcarbonyl)glycyl]- (9CI) | C14H13N3O4 | 287.27072 | | |
| 29 | 581-96-4 | 2-Naphthylacetic acid | C12H10O2 | 186.21 | 141-143 °C (lit.) | insoluble |
| 30 | 581-97-5 | N-Acetyl-2-naphthylamine | C12H11NO | 185.22 | | |