Fluorine Compounds (F)
Browse all compounds containing Fluorine by molecular formula, IUPAC name, or traditional name. Explore molecular weights and compound details.
We're currently updating our database. We've sourced 10 million compounds so far, with the full 170 million coming shortly.
Total Compounds: 934,613
Showing 761,951 - 762,000 of 934,613
Page 15240 of 18,693
| CID | Formula | IUPAC Name | Traditional Name | Mol. Weight |
|---|---|---|---|---|
| 5538159 | C25H16F2N2O4S | (4E,5S)-1-(6-fluoro-1,3-benzothiazol-2-yl)-5-(2-fluorophenyl)-4-[hydroxy-(4-methoxyphenyl)methylene]pyrrolidine-2,3-dione | (4E,5S)-1-(6-fluoro-1,3-benzothiazol-2-yl)-5-(2-fluorophenyl)-4-[hydroxy-(4-methoxyphenyl)methylene]pyrrolidine-2,3-dione | 478.5 |
| 5538160 | C27H21FN2O6S | (4E,5S)-5-(3,4-dimethoxyphenyl)-1-(6-fluoro-1,3-benzothiazol-2-yl)-4-[hydroxy-(4-methoxyphenyl)methylene]pyrrolidine-2,3-dione | (4E,5S)-5-(3,4-dimethoxyphenyl)-1-(6-fluoro-1,3-benzothiazol-2-yl)-4-[hydroxy-(4-methoxyphenyl)methylene]pyrrolidine-2,3-dione | 520.5 |
| 5538161 | C27H21FN2O6S | (4E,5R)-5-(3,4-dimethoxyphenyl)-1-(6-fluoro-1,3-benzothiazol-2-yl)-4-[hydroxy-(4-methoxyphenyl)methylene]pyrrolidine-2,3-dione | (4E,5R)-5-(3,4-dimethoxyphenyl)-1-(6-fluoro-1,3-benzothiazol-2-yl)-4-[hydroxy-(4-methoxyphenyl)methylene]pyrrolidine-2,3-dione | 520.5 |
| 5538162 | C26H19FN2O5S | (4E,5S)-1-(6-fluoro-1,3-benzothiazol-2-yl)-4-[hydroxy-(4-methoxyphenyl)methylene]-5-(2-methoxyphenyl)pyrrolidine-2,3-dione | (4E,5S)-1-(6-fluoro-1,3-benzothiazol-2-yl)-4-[hydroxy-(4-methoxyphenyl)methylene]-5-(2-methoxyphenyl)pyrrolidine-2,3-dione | 490.5 |
| 5538163 | C26H19FN2O5S | (4E,5R)-1-(6-fluoro-1,3-benzothiazol-2-yl)-4-[hydroxy-(4-methoxyphenyl)methylene]-5-(2-methoxyphenyl)pyrrolidine-2,3-dione | (4E,5R)-1-(6-fluoro-1,3-benzothiazol-2-yl)-4-[hydroxy-(4-methoxyphenyl)methylene]-5-(2-methoxyphenyl)pyrrolidine-2,3-dione | 490.5 |
| 5538164 | C26H19FN2O4S | (4E,5S)-1-(6-fluoro-1,3-benzothiazol-2-yl)-4-[hydroxy-(4-methoxyphenyl)methylene]-5-(p-tolyl)pyrrolidine-2,3-dione | (4E,5S)-1-(6-fluoro-1,3-benzothiazol-2-yl)-4-[hydroxy-(4-methoxyphenyl)methylene]-5-(p-tolyl)pyrrolidine-2,3-dione | 474.5 |
| 5538165 | C26H19FN2O4S | (4E,5R)-1-(6-fluoro-1,3-benzothiazol-2-yl)-4-[hydroxy-(4-methoxyphenyl)methylene]-5-(p-tolyl)pyrrolidine-2,3-dione | (4E,5R)-1-(6-fluoro-1,3-benzothiazol-2-yl)-4-[hydroxy-(4-methoxyphenyl)methylene]-5-(p-tolyl)pyrrolidine-2,3-dione | 474.5 |
| 5538166 | C25H16F2N2O4S | (4E,5S)-1-(6-fluoro-1,3-benzothiazol-2-yl)-5-(4-fluorophenyl)-4-[hydroxy-(4-methoxyphenyl)methylene]pyrrolidine-2,3-dione | (4E,5S)-1-(6-fluoro-1,3-benzothiazol-2-yl)-5-(4-fluorophenyl)-4-[hydroxy-(4-methoxyphenyl)methylene]pyrrolidine-2,3-dione | 478.5 |
| 5538167 | C25H16F2N2O4S | (4E,5R)-1-(6-fluoro-1,3-benzothiazol-2-yl)-5-(4-fluorophenyl)-4-[hydroxy-(4-methoxyphenyl)methylene]pyrrolidine-2,3-dione | (4E,5R)-1-(6-fluoro-1,3-benzothiazol-2-yl)-5-(4-fluorophenyl)-4-[hydroxy-(4-methoxyphenyl)methylene]pyrrolidine-2,3-dione | 478.5 |
| 5538168 | C27H19FN2O6S | methyl 4-[(2S,3E)-1-(6-fluoro-1,3-benzothiazol-2-yl)-3-[hydroxy-(4-methoxyphenyl)methylene]-4,5-dioxo-pyrrolidin-2-yl]benzoate | methyl 4-[(2S,3E)-1-(6-fluoro-1,3-benzothiazol-2-yl)-3-[hydroxy-(4-methoxyphenyl)methylene]-4,5-dioxo-pyrrolidin-2-yl]benzoate | 518.5 |
| 5538169 | C27H19FN2O6S | methyl 4-[(2R,3E)-1-(6-fluoro-1,3-benzothiazol-2-yl)-3-[hydroxy-(4-methoxyphenyl)methylene]-4,5-dioxo-pyrrolidin-2-yl]benzoate | methyl 4-[(2R,3E)-1-(6-fluoro-1,3-benzothiazol-2-yl)-3-[hydroxy-(4-methoxyphenyl)methylene]-4,5-dioxo-pyrrolidin-2-yl]benzoate | 518.5 |
| 5538170 | C27H21FN2O6S | (4E,5S)-5-(2,3-dimethoxyphenyl)-1-(6-fluoro-1,3-benzothiazol-2-yl)-4-[hydroxy-(4-methoxyphenyl)methylene]pyrrolidine-2,3-dione | (4E,5S)-5-(2,3-dimethoxyphenyl)-1-(6-fluoro-1,3-benzothiazol-2-yl)-4-[hydroxy-(4-methoxyphenyl)methylene]pyrrolidine-2,3-dione | 520.5 |
| 5538171 | C27H21FN2O6S | (4E,5R)-5-(2,3-dimethoxyphenyl)-1-(6-fluoro-1,3-benzothiazol-2-yl)-4-[hydroxy-(4-methoxyphenyl)methylene]pyrrolidine-2,3-dione | (4E,5R)-5-(2,3-dimethoxyphenyl)-1-(6-fluoro-1,3-benzothiazol-2-yl)-4-[hydroxy-(4-methoxyphenyl)methylene]pyrrolidine-2,3-dione | 520.5 |
| 5538172 | C27H21FN2O6S | (4E,5S)-5-(2,5-dimethoxyphenyl)-1-(6-fluoro-1,3-benzothiazol-2-yl)-4-[hydroxy-(4-methoxyphenyl)methylene]pyrrolidine-2,3-dione | (4E,5S)-5-(2,5-dimethoxyphenyl)-1-(6-fluoro-1,3-benzothiazol-2-yl)-4-[hydroxy-(4-methoxyphenyl)methylene]pyrrolidine-2,3-dione | 520.5 |
| 5538173 | C27H21FN2O6S | (4E,5R)-5-(2,5-dimethoxyphenyl)-1-(6-fluoro-1,3-benzothiazol-2-yl)-4-[hydroxy-(4-methoxyphenyl)methylene]pyrrolidine-2,3-dione | (4E,5R)-5-(2,5-dimethoxyphenyl)-1-(6-fluoro-1,3-benzothiazol-2-yl)-4-[hydroxy-(4-methoxyphenyl)methylene]pyrrolidine-2,3-dione | 520.5 |
| 5538174 | C28H23FN2O7S | (4E,5S)-1-(6-fluoro-1,3-benzothiazol-2-yl)-4-[hydroxy-(4-methoxyphenyl)methylene]-5-(3,4,5-trimethoxyphenyl)pyrrolidine-2,3-dione | (4E,5S)-1-(6-fluoro-1,3-benzothiazol-2-yl)-4-[hydroxy-(4-methoxyphenyl)methylene]-5-(3,4,5-trimethoxyphenyl)pyrrolidine-2,3-dione | 550.6 |
| 5538175 | C28H23FN2O7S | (4E,5R)-1-(6-fluoro-1,3-benzothiazol-2-yl)-4-[hydroxy-(4-methoxyphenyl)methylene]-5-(3,4,5-trimethoxyphenyl)pyrrolidine-2,3-dione | (4E,5R)-1-(6-fluoro-1,3-benzothiazol-2-yl)-4-[hydroxy-(4-methoxyphenyl)methylene]-5-(3,4,5-trimethoxyphenyl)pyrrolidine-2,3-dione | 550.6 |
| 5538176 | C27H21FN2O5S | (4E,5S)-5-(4-ethoxyphenyl)-1-(6-fluoro-1,3-benzothiazol-2-yl)-4-[hydroxy-(4-methoxyphenyl)methylene]pyrrolidine-2,3-dione | (4E,5S)-5-(4-ethoxyphenyl)-1-(6-fluoro-1,3-benzothiazol-2-yl)-4-[hydroxy-(4-methoxyphenyl)methylene]pyrrolidine-2,3-dione | 504.5 |
| 5538177 | C27H21FN2O5S | (4E,5R)-5-(4-ethoxyphenyl)-1-(6-fluoro-1,3-benzothiazol-2-yl)-4-[hydroxy-(4-methoxyphenyl)methylene]pyrrolidine-2,3-dione | (4E,5R)-5-(4-ethoxyphenyl)-1-(6-fluoro-1,3-benzothiazol-2-yl)-4-[hydroxy-(4-methoxyphenyl)methylene]pyrrolidine-2,3-dione | 504.5 |
| 5538178 | C26H19FN2O5S | (4E,5S)-1-(6-fluoro-1,3-benzothiazol-2-yl)-4-[hydroxy-(4-methoxyphenyl)methylene]-5-(3-methoxyphenyl)pyrrolidine-2,3-dione | (4E,5S)-1-(6-fluoro-1,3-benzothiazol-2-yl)-4-[hydroxy-(4-methoxyphenyl)methylene]-5-(3-methoxyphenyl)pyrrolidine-2,3-dione | 490.5 |
| 5538179 | C26H19FN2O5S | (4E,5R)-1-(6-fluoro-1,3-benzothiazol-2-yl)-4-[hydroxy-(4-methoxyphenyl)methylene]-5-(3-methoxyphenyl)pyrrolidine-2,3-dione | (4E,5R)-1-(6-fluoro-1,3-benzothiazol-2-yl)-4-[hydroxy-(4-methoxyphenyl)methylene]-5-(3-methoxyphenyl)pyrrolidine-2,3-dione | 490.5 |
| 5538180 | C26H18ClFN2O5S | (4E,5S)-4-[(4-chlorophenyl)-hydroxy-methylene]-5-(2,3-dimethoxyphenyl)-1-(6-fluoro-1,3-benzothiazol-2-yl)pyrrolidine-2,3-dione | (4E,5S)-4-[(4-chlorophenyl)-hydroxy-methylene]-5-(2,3-dimethoxyphenyl)-1-(6-fluoro-1,3-benzothiazol-2-yl)pyrrolidine-2,3-dione | 524.9 |
| 5538181 | C26H18ClFN2O5S | (4E,5R)-4-[(4-chlorophenyl)-hydroxy-methylene]-5-(2,3-dimethoxyphenyl)-1-(6-fluoro-1,3-benzothiazol-2-yl)pyrrolidine-2,3-dione | (4E,5R)-4-[(4-chlorophenyl)-hydroxy-methylene]-5-(2,3-dimethoxyphenyl)-1-(6-fluoro-1,3-benzothiazol-2-yl)pyrrolidine-2,3-dione | 524.9 |
| 5538182 | C26H18ClFN2O5S | (4E,5S)-4-[(4-chlorophenyl)-hydroxy-methylene]-5-(2,5-dimethoxyphenyl)-1-(6-fluoro-1,3-benzothiazol-2-yl)pyrrolidine-2,3-dione | (4E,5S)-4-[(4-chlorophenyl)-hydroxy-methylene]-5-(2,5-dimethoxyphenyl)-1-(6-fluoro-1,3-benzothiazol-2-yl)pyrrolidine-2,3-dione | 524.9 |
| 5538183 | C26H18ClFN2O5S | (4E,5R)-4-[(4-chlorophenyl)-hydroxy-methylene]-5-(2,5-dimethoxyphenyl)-1-(6-fluoro-1,3-benzothiazol-2-yl)pyrrolidine-2,3-dione | (4E,5R)-4-[(4-chlorophenyl)-hydroxy-methylene]-5-(2,5-dimethoxyphenyl)-1-(6-fluoro-1,3-benzothiazol-2-yl)pyrrolidine-2,3-dione | 524.9 |
| 5538184 | C27H20ClFN2O6S | (4E,5S)-4-[(4-chlorophenyl)-hydroxy-methylene]-1-(6-fluoro-1,3-benzothiazol-2-yl)-5-(3,4,5-trimethoxyphenyl)pyrrolidine-2,3-dione | (4E,5S)-4-[(4-chlorophenyl)-hydroxy-methylene]-1-(6-fluoro-1,3-benzothiazol-2-yl)-5-(3,4,5-trimethoxyphenyl)pyrrolidine-2,3-dione | 555.0 |
| 5538185 | C27H20ClFN2O6S | (4E,5R)-4-[(4-chlorophenyl)-hydroxy-methylene]-1-(6-fluoro-1,3-benzothiazol-2-yl)-5-(3,4,5-trimethoxyphenyl)pyrrolidine-2,3-dione | (4E,5R)-4-[(4-chlorophenyl)-hydroxy-methylene]-1-(6-fluoro-1,3-benzothiazol-2-yl)-5-(3,4,5-trimethoxyphenyl)pyrrolidine-2,3-dione | 555.0 |
| 5538186 | C26H19FN2O4S | (4E,5S)-4-[(4-ethoxyphenyl)-hydroxy-methylene]-1-(6-fluoro-1,3-benzothiazol-2-yl)-5-phenyl-pyrrolidine-2,3-dione | (4E,5S)-4-[(4-ethoxyphenyl)-hydroxy-methylene]-1-(6-fluoro-1,3-benzothiazol-2-yl)-5-phenyl-pyrrolidine-2,3-dione | 474.5 |
| 5538187 | C26H19FN2O4S | (4E,5R)-4-[(4-ethoxyphenyl)-hydroxy-methylene]-1-(6-fluoro-1,3-benzothiazol-2-yl)-5-phenyl-pyrrolidine-2,3-dione | (4E,5R)-4-[(4-ethoxyphenyl)-hydroxy-methylene]-1-(6-fluoro-1,3-benzothiazol-2-yl)-5-phenyl-pyrrolidine-2,3-dione | 474.5 |
| 5538208 | C25H29FN2O4 | (4E,5S)-1-[3-(diethylamino)propyl]-5-(4-fluorophenyl)-4-[hydroxy-(4-methoxyphenyl)methylene]pyrrolidine-2,3-dione | (4E,5S)-1-[3-(diethylamino)propyl]-5-(4-fluorophenyl)-4-[hydroxy-(4-methoxyphenyl)methylene]pyrrolidine-2,3-dione | 440.5 |
| 5538209 | C25H29FN2O4 | (4E,5R)-1-[3-(diethylamino)propyl]-5-(4-fluorophenyl)-4-[hydroxy-(4-methoxyphenyl)methylene]pyrrolidine-2,3-dione | (4E,5R)-1-[3-(diethylamino)propyl]-5-(4-fluorophenyl)-4-[hydroxy-(4-methoxyphenyl)methylene]pyrrolidine-2,3-dione | 440.5 |
| 5538240 | C26H29FN2O6 | (4E,5S)-4-[(3,4-dimethoxyphenyl)-hydroxy-methylene]-5-(4-fluorophenyl)-1-(3-morpholinopropyl)pyrrolidine-2,3-dione | (4E,5S)-4-[(3,4-dimethoxyphenyl)-hydroxy-methylene]-5-(4-fluorophenyl)-1-(3-morpholinopropyl)pyrrolidine-2,3-dione | 484.5 |
| 5538241 | C26H29FN2O6 | (4E,5R)-4-[(3,4-dimethoxyphenyl)-hydroxy-methylene]-5-(4-fluorophenyl)-1-(3-morpholinopropyl)pyrrolidine-2,3-dione | (4E,5R)-4-[(3,4-dimethoxyphenyl)-hydroxy-methylene]-5-(4-fluorophenyl)-1-(3-morpholinopropyl)pyrrolidine-2,3-dione | 484.5 |
| 5538248 | C25H27FN2O6 | (4E,5S)-4-[(3,4-dimethoxyphenyl)-hydroxy-methylene]-5-(4-fluorophenyl)-1-(2-morpholinoethyl)pyrrolidine-2,3-dione | (4E,5S)-4-[(3,4-dimethoxyphenyl)-hydroxy-methylene]-5-(4-fluorophenyl)-1-(2-morpholinoethyl)pyrrolidine-2,3-dione | 470.5 |
| 5538249 | C25H27FN2O6 | (4E,5R)-4-[(3,4-dimethoxyphenyl)-hydroxy-methylene]-5-(4-fluorophenyl)-1-(2-morpholinoethyl)pyrrolidine-2,3-dione | (4E,5R)-4-[(3,4-dimethoxyphenyl)-hydroxy-methylene]-5-(4-fluorophenyl)-1-(2-morpholinoethyl)pyrrolidine-2,3-dione | 470.5 |
| 5538290 | C24H27FN2O3 | (4E,5S)-1-[3-(diethylamino)propyl]-5-(4-fluorophenyl)-4-[hydroxy(phenyl)methylene]pyrrolidine-2,3-dione | (4E,5S)-1-[3-(diethylamino)propyl]-5-(4-fluorophenyl)-4-[hydroxy(phenyl)methylene]pyrrolidine-2,3-dione | 410.5 |
| 5538291 | C24H27FN2O3 | (4E,5R)-1-[3-(diethylamino)propyl]-5-(4-fluorophenyl)-4-[hydroxy(phenyl)methylene]pyrrolidine-2,3-dione | (4E,5R)-1-[3-(diethylamino)propyl]-5-(4-fluorophenyl)-4-[hydroxy(phenyl)methylene]pyrrolidine-2,3-dione | 410.5 |
| 5538326 | C25H17FN2O4S | (4E,5R)-5-(2-fluorophenyl)-4-[hydroxy(phenyl)methylene]-1-(6-methoxy-1,3-benzothiazol-2-yl)pyrrolidine-2,3-dione | (4E,5R)-5-(2-fluorophenyl)-4-[hydroxy(phenyl)methylene]-1-(6-methoxy-1,3-benzothiazol-2-yl)pyrrolidine-2,3-dione | 460.5 |
| 5538327 | C25H17FN2O4S | (4E,5S)-5-(2-fluorophenyl)-4-[hydroxy(phenyl)methylene]-1-(6-methoxy-1,3-benzothiazol-2-yl)pyrrolidine-2,3-dione | (4E,5S)-5-(2-fluorophenyl)-4-[hydroxy(phenyl)methylene]-1-(6-methoxy-1,3-benzothiazol-2-yl)pyrrolidine-2,3-dione | 460.5 |
| 5538372 | C25H27FN2O5 | (4E,5S)-5-(4-fluorophenyl)-4-[hydroxy-(3-methoxyphenyl)methylene]-1-(3-morpholinopropyl)pyrrolidine-2,3-dione | (4E,5S)-5-(4-fluorophenyl)-4-[hydroxy-(3-methoxyphenyl)methylene]-1-(3-morpholinopropyl)pyrrolidine-2,3-dione | 454.5 |
| 5538373 | C25H27FN2O5 | (4E,5R)-5-(4-fluorophenyl)-4-[hydroxy-(3-methoxyphenyl)methylene]-1-(3-morpholinopropyl)pyrrolidine-2,3-dione | (4E,5R)-5-(4-fluorophenyl)-4-[hydroxy-(3-methoxyphenyl)methylene]-1-(3-morpholinopropyl)pyrrolidine-2,3-dione | 454.5 |
| 5538378 | C23H25FN2O4 | (4E,5S)-1-[3-(dimethylamino)propyl]-5-(3-fluorophenyl)-4-[hydroxy-(3-methoxyphenyl)methylene]pyrrolidine-2,3-dione | (4E,5S)-1-[3-(dimethylamino)propyl]-5-(3-fluorophenyl)-4-[hydroxy-(3-methoxyphenyl)methylene]pyrrolidine-2,3-dione | 412.5 |
| 5538379 | C23H25FN2O4 | (4E,5R)-1-[3-(dimethylamino)propyl]-5-(3-fluorophenyl)-4-[hydroxy-(3-methoxyphenyl)methylene]pyrrolidine-2,3-dione | (4E,5R)-1-[3-(dimethylamino)propyl]-5-(3-fluorophenyl)-4-[hydroxy-(3-methoxyphenyl)methylene]pyrrolidine-2,3-dione | 412.5 |
| 5538388 | C23H25FN2O4 | (4E,5S)-1-[3-(dimethylamino)propyl]-5-(4-fluorophenyl)-4-[hydroxy-(3-methoxyphenyl)methylene]pyrrolidine-2,3-dione | (4E,5S)-1-[3-(dimethylamino)propyl]-5-(4-fluorophenyl)-4-[hydroxy-(3-methoxyphenyl)methylene]pyrrolidine-2,3-dione | 412.5 |
| 5538389 | C23H25FN2O4 | (4E,5R)-1-[3-(dimethylamino)propyl]-5-(4-fluorophenyl)-4-[hydroxy-(3-methoxyphenyl)methylene]pyrrolidine-2,3-dione | (4E,5R)-1-[3-(dimethylamino)propyl]-5-(4-fluorophenyl)-4-[hydroxy-(3-methoxyphenyl)methylene]pyrrolidine-2,3-dione | 412.5 |
| 5538412 | C23H19FN2O3S | (4E,5S)-1-(4,5-dimethylthiazol-2-yl)-5-(4-fluorophenyl)-4-[hydroxy(p-tolyl)methylene]pyrrolidine-2,3-dione | (4E,5S)-1-(4,5-dimethylthiazol-2-yl)-5-(4-fluorophenyl)-4-[hydroxy(p-tolyl)methylene]pyrrolidine-2,3-dione | 422.5 |
| 5538413 | C23H19FN2O3S | (4E,5R)-1-(4,5-dimethylthiazol-2-yl)-5-(4-fluorophenyl)-4-[hydroxy(p-tolyl)methylene]pyrrolidine-2,3-dione | (4E,5R)-1-(4,5-dimethylthiazol-2-yl)-5-(4-fluorophenyl)-4-[hydroxy(p-tolyl)methylene]pyrrolidine-2,3-dione | 422.5 |
| 5538418 | C25H17FN2O4S | (4E,5S)-1-(6-fluoro-1,3-benzothiazol-2-yl)-4-[hydroxy(phenyl)methylene]-5-(4-methoxyphenyl)pyrrolidine-2,3-dione | (4E,5S)-1-(6-fluoro-1,3-benzothiazol-2-yl)-4-[hydroxy(phenyl)methylene]-5-(4-methoxyphenyl)pyrrolidine-2,3-dione | 460.5 |
| 5538419 | C25H17FN2O4S | (4E,5R)-1-(6-fluoro-1,3-benzothiazol-2-yl)-4-[hydroxy(phenyl)methylene]-5-(4-methoxyphenyl)pyrrolidine-2,3-dione | (4E,5R)-1-(6-fluoro-1,3-benzothiazol-2-yl)-4-[hydroxy(phenyl)methylene]-5-(4-methoxyphenyl)pyrrolidine-2,3-dione | 460.5 |
| 5538428 | C23H25FN2O4 | (4E,5R)-1-[3-(dimethylamino)propyl]-5-(2-fluorophenyl)-4-[hydroxy-(3-methoxyphenyl)methylene]pyrrolidine-2,3-dione | (4E,5R)-1-[3-(dimethylamino)propyl]-5-(2-fluorophenyl)-4-[hydroxy-(3-methoxyphenyl)methylene]pyrrolidine-2,3-dione | 412.5 |
Related Element Combinations
Explore other compound combinations that include similar elements. Discover more chemistry by browsing related searches.
Looking for a specific combination?
Select any elements from the periodic table and discover all known compounds instantly.
NIH
Data Sourced from PubChem
All compound data on CompoundLookup comes from PubChem, the world's largest free chemistry database maintained by the National Institutes of Health (NIH). We've indexed and organized this data to enable element-based searching - a feature not available on any other platform. We're constantly adding more compounds and improving our coverage. Learn more about our mission.