Phosphorus + Oxygen Compounds (P + O)
Browse all compounds containing Phosphorus + Oxygen by molecular formula, IUPAC name, or traditional name. Explore molecular weights and compound details.
Total Compounds: 57,505
Showing 19,351 - 19,400 of 57,505
Page 388 of 1,151
| CID | Formula | IUPAC Name | Traditional Name | Mol. Weight |
|---|---|---|---|---|
| 510140 | C11H16N3O8P-2 | [(2S,3S,4R,5R)-3-(aminomethyl)-4-hydroxy-5-(5-methyl-2,4-dioxo-pyrimidin-1-yl)tetrahydrofuran-2-yl]methyl phosphate | BDBM50131907 | 349.23 |
| 510141 | C11H18N3O8P | [(3S,4R,5R)-3-(aminomethyl)-4-hydroxy-5-(5-methyl-2,4-dioxo-pyrimidin-1-yl)tetrahydrofuran-2-yl]methyl dihydrogen phosphate | [(3S,4R,5R)-3-(aminomethyl)-4-hydroxy-5-(5-methyl-2,4-dioxo-pyrimidin-1-yl)tetrahydrofuran-2-yl]methyl dihydrogen phosphate | 351.25 |
| 510571 | C16H19N2O8P | [(2R,3S,5R)-5-(5-benzyl-2,4-dioxo-pyrimidin-1-yl)-3-hydroxy-tetrahydrofuran-2-yl]methyl dihydrogen phosphate | [(2R,3S,5R)-5-(5-benzyl-2,4-dioxo-pyrimidin-1-yl)-3-hydroxy-tetrahydrofuran-2-yl]methyl dihydrogen phosphate | 398.30 |
| 510572 | C10H16N3O7P | [(2S,4R,5R)-4-amino-5-(5-methyl-2,4-dioxo-pyrimidin-1-yl)tetrahydrofuran-2-yl]methyl dihydrogen phosphate | [(2S,4R,5R)-4-Amino-5-(5-methyl-2,4-dioxo(1,3-dihydropyrimidinyl))oxolan-2-yl]methyl dihydrogen phosphate | 321.22 |
| 511177 | C26H26Br2N3O8P | benzyl (2R)-2-[[(2,4-dibromophenoxy)-[[(2S,5R)-5-(5-methyl-2,4-dioxo-pyrimidin-1-yl)-2,5-dihydrofuran-2-yl]methoxy]phosphoryl]amino]propanoate | benzyl (2R)-2-[[(2,4-dibromophenoxy)-[[(2S,5R)-5-(5-methyl-2,4-dioxo-pyrimidin-1-yl)-2,5-dihydrofuran-2-yl]methoxy]phosphoryl]amino]propanoate | 699.3 |
| 511178 | C32H32N3O8P | benzyl (2R)-2-[[[(2S,5R)-5-(5-methyl-2,4-dioxo-pyrimidin-1-yl)-2,5-dihydrofuran-2-yl]methoxy-phenoxy-phosphoryl]amino]-3-phenyl-propanoate | benzyl (2R)-2-[[[(2S,5R)-5-(5-methyl-2,4-dioxo-pyrimidin-1-yl)-2,5-dihydrofuran-2-yl]methoxy-phenoxy-phosphoryl]amino]-3-phenyl-propanoate | 617.6 |
| 511179 | C29H34N3O8P | tert-butyl (2R)-2-[[[(2S,5R)-5-(5-methyl-2,4-dioxo-pyrimidin-1-yl)-2,5-dihydrofuran-2-yl]methoxy-phenoxy-phosphoryl]amino]-3-phenyl-propanoate | tert-butyl (2R)-2-[[[(2S,5R)-5-(5-methyl-2,4-dioxo-pyrimidin-1-yl)-2,5-dihydrofuran-2-yl]methoxy-phenoxy-phosphoryl]amino]-3-phenyl-propanoate | 583.6 |
| 511180 | C22H37N2O7P | dihexyl [(2S,5R)-5-(5-methyl-2,4-dioxo-pyrimidin-1-yl)-2,5-dihydrofuran-2-yl]methyl phosphate | dihexyl [(2S,5R)-5-(5-methyl-2,4-dioxo-pyrimidin-1-yl)-2,5-dihydrofuran-2-yl]methyl phosphate | 472.5 |
| 511181 | C18H25Cl3N3O8P | methyl (2S)-3-methyl-2-[[[(2S,5R)-5-(5-methyl-2,4-dioxo-pyrimidin-1-yl)-2,5-dihydrofuran-2-yl]methoxy-(2,2,2-trichloroethoxy)phosphoryl]amino]butanoate | L-Valine, N-[[[(2S,5R)-5-(3,4-dihydro-5-methyl-2,4-dioxo-1(2H)-pyrimidinyl)-2,5-dihydro-2-furanyl]methoxy](2,2,2-trichloroethoxy)phosphinyl]-, methyl ester | 548.7 |
| 511182 | C22H25Cl3N3O8P | methyl (2S)-2-[[[(2S,5R)-5-(5-methyl-2,4-dioxo-pyrimidin-1-yl)-2,5-dihydrofuran-2-yl]methoxy-(2,2,2-trichloroethoxy)phosphoryl]amino]-3-phenyl-propanoate | L-Phenylalanine, N-[[[(2S,5R)-5-(3,4-dihydro-5-methyl-2,4-dioxo-1(2H)-pyrimidinyl)-2,5-dihydro-2-furanyl]methoxy](2,2,2-trichloroethoxy)phosphinyl]-, methyl ester | 596.8 |
| 511183 | C18H25Cl3N3O8PS | methyl (2S)-2-[[[(2S,5R)-5-(5-methyl-2,4-dioxo-pyrimidin-1-yl)-2,5-dihydrofuran-2-yl]methoxy-(2,2,2-trichloroethoxy)phosphoryl]amino]-4-methylsulfanyl-butanoate | L-Methionine, N-[[[(2S,5R)-5-(3,4-dihydro-5-methyl-2,4-dioxo-1(2H)-pyrimidinyl)-2,5-dihydro-2-furanyl]methoxy](2,2,2-trichloroethoxy)phosphinyl]-, methyl ester | 580.8 |
| 511184 | C17H25Cl3N3O6P | 5-methyl-1-[(2R,5S)-5-[[(pentylamino)-(2,2,2-trichloroethoxy)phosphoryl]oxymethyl]-2,5-dihydrofuran-2-yl]pyrimidine-2,4-dione | 5-methyl-1-[(2R,5S)-5-[[(pentylamino)-(2,2,2-trichloroethoxy)phosphoryl]oxymethyl]-2,5-dihydrofuran-2-yl]pyrimidine-2,4-dione | 504.7 |
| 511185 | C15H21Cl3N3O6P | 5-methyl-1-[(2R,5S)-5-[[propylamino(2,2,2-trichloroethoxy)phosphoryl]oxymethyl]-2,5-dihydrofuran-2-yl]pyrimidine-2,4-dione | 5-methyl-1-[(2R,5S)-5-[[propylamino(2,2,2-trichloroethoxy)phosphoryl]oxymethyl]-2,5-dihydrofuran-2-yl]pyrimidine-2,4-dione | 476.7 |
| 511186 | C16H23Cl3N3O6P | 1-[(2R,5S)-5-[[butylamino(2,2,2-trichloroethoxy)phosphoryl]oxymethyl]-2,5-dihydrofuran-2-yl]-5-methyl-pyrimidine-2,4-dione | 1-[(2R,5S)-5-[[butylamino(2,2,2-trichloroethoxy)phosphoryl]oxymethyl]-2,5-dihydrofuran-2-yl]-5-methyl-pyrimidine-2,4-dione | 490.7 |
| 511187 | C14H19Cl3N3O6P | 1-[(2R,5S)-5-[[ethylamino(2,2,2-trichloroethoxy)phosphoryl]oxymethyl]-2,5-dihydrofuran-2-yl]-5-methyl-pyrimidine-2,4-dione | 1-[(2R,5S)-5-[[ethylamino(2,2,2-trichloroethoxy)phosphoryl]oxymethyl]-2,5-dihydrofuran-2-yl]-5-methyl-pyrimidine-2,4-dione | 462.6 |
| 511188 | C15H21Cl3N3O7P | 1-[(2R,5S)-5-[[(2-methoxyethylamino)-(2,2,2-trichloroethoxy)phosphoryl]oxymethyl]-2,5-dihydrofuran-2-yl]-5-methyl-pyrimidine-2,4-dione | 1-[(2R,5S)-5-[[(2-methoxyethylamino)-(2,2,2-trichloroethoxy)phosphoryl]oxymethyl]-2,5-dihydrofuran-2-yl]-5-methyl-pyrimidine-2,4-dione | 492.7 |
| 511189 | C12H14Cl3N2O7P | [(2S,5R)-5-(5-methyl-2,4-dioxo-pyrimidin-1-yl)-2,5-dihydrofuran-2-yl]methyl 2,2,2-trichloroethyl hydrogen phosphate | [(2S,5R)-5-(5-methyl-2,4-dioxo-pyrimidin-1-yl)-2,5-dihydrofuran-2-yl]methyl 2,2,2-trichloroethyl hydrogen phosphate | 435.6 |
| 511190 | C16H23F3N3O6P | 1-[(2R,5S)-5-[[butylamino(2,2,2-trifluoroethoxy)phosphoryl]oxymethyl]-2,5-dihydrofuran-2-yl]-5-methyl-pyrimidine-2,4-dione | 1-[(2R,5S)-5-[[butylamino(2,2,2-trifluoroethoxy)phosphoryl]oxymethyl]-2,5-dihydrofuran-2-yl]-5-methyl-pyrimidine-2,4-dione | 441.34 |
| 511191 | C20H21F3N3O8P | methyl (2R)-2-[[[(2S,5R)-5-(2,4-dioxopyrimidin-1-yl)-2,5-dihydrofuran-2-yl]methoxy-[3-(trifluoromethyl)phenoxy]phosphoryl]amino]propanoate | methyl (2R)-2-[[[(2S,5R)-5-(2,4-dioxopyrimidin-1-yl)-2,5-dihydrofuran-2-yl]methoxy-[3-(trifluoromethyl)phenoxy]phosphoryl]amino]propanoate | 519.4 |
| 511192 | C13H19N2O7P | [(2S,5R)-5-(2,4-dioxopyrimidin-1-yl)-2,5-dihydrofuran-2-yl]methyl diethyl phosphate | [(2S,5R)-5-(2,4-dioxopyrimidin-1-yl)-2,5-dihydrofuran-2-yl]methyl diethyl phosphate | 346.27 |
| 511193 | C13H18N3O8P | [(2S,5R)-5-(2,4-dioxopyrimidin-1-yl)-2,5-dihydrofuran-2-yl]methoxy-N-[(1S)-2-methoxy-1-methyl-2-oxo-ethyl]phosphonamidic acid | [(2S,5R)-5-(2,4-dioxopyrimidin-1-yl)-2,5-dihydrofuran-2-yl]methoxy-N-[(1S)-2-methoxy-1-methyl-2-oxo-ethyl]phosphonamidic acid | 375.27 |
| 511194 | C9H11N2O6P | [(2S,5R)-5-(2,4-dioxopyrimidin-1-yl)-2,5-dihydrofuran-2-yl]methoxyphosphinic acid | [(2S,5R)-5-(2,4-dioxopyrimidin-1-yl)-2,5-dihydrofuran-2-yl]methoxyphosphinic acid | 274.17 |
| 511195 | C19H21FN3O8P | methyl (2R)-2-[[[(2S,5R)-5-(2,4-dioxopyrimidin-1-yl)-2,5-dihydrofuran-2-yl]methoxy-(4-fluorophenoxy)phosphoryl]amino]propanoate | methyl (2R)-2-[[[(2S,5R)-5-(2,4-dioxopyrimidin-1-yl)-2,5-dihydrofuran-2-yl]methoxy-(4-fluorophenoxy)phosphoryl]amino]propanoate | 469.4 |
| 511196 | C15H24N3O6P | 1-[(2R,5S)-5-[[ethoxy(propylamino)phosphoryl]oxymethyl]-2,5-dihydrofuran-2-yl]-5-methyl-pyrimidine-2,4-dione | 1-[(2R,5S)-5-[[ethoxy(propylamino)phosphoryl]oxymethyl]-2,5-dihydrofuran-2-yl]-5-methyl-pyrimidine-2,4-dione | 373.34 |
| 511197 | C16H25N2O6P | 1-[(2R,5S)-5-(hexoxyphosphonoyloxymethyl)-2,5-dihydrofuran-2-yl]-5-methyl-pyrimidine-2,4-dione | 1-[(2R,5S)-5-(hexoxyphosphonoyloxymethyl)-2,5-dihydrofuran-2-yl]-5-methyl-pyrimidine-2,4-dione | 372.35 |
| 511198 | C15H23N2O8P | 1-[(2R,5S)-5-[2-(2-methoxyethoxy)ethoxyphosphonoyloxymethyl]-2,5-dihydrofuran-2-yl]-5-methyl-pyrimidine-2,4-dione | 1-[(2R,5S)-5-[2-(2-methoxyethoxy)ethoxyphosphonoyloxymethyl]-2,5-dihydrofuran-2-yl]-5-methyl-pyrimidine-2,4-dione | 390.33 |
| 511199 | C12H17N2O6P | 1-[(2R,5S)-5-(ethoxyphosphonoyloxymethyl)-2,5-dihydrofuran-2-yl]-5-methyl-pyrimidine-2,4-dione | 1-[(2R,5S)-5-(ethoxyphosphonoyloxymethyl)-2,5-dihydrofuran-2-yl]-5-methyl-pyrimidine-2,4-dione | 316.25 |
| 511200 | C20H33N2O6P | 1-[(2R,5S)-5-(decoxyphosphonoyloxymethyl)-2,5-dihydrofuran-2-yl]-5-methyl-pyrimidine-2,4-dione | 1-[(2R,5S)-5-(decoxyphosphonoyloxymethyl)-2,5-dihydrofuran-2-yl]-5-methyl-pyrimidine-2,4-dione | 428.5 |
| 511201 | C14H21N2O6P | 1-[(2R,5S)-5-(butoxyphosphonoyloxymethyl)-2,5-dihydrofuran-2-yl]-5-methyl-pyrimidine-2,4-dione | 1-[(2R,5S)-5-(butoxyphosphonoyloxymethyl)-2,5-dihydrofuran-2-yl]-5-methyl-pyrimidine-2,4-dione | 344.30 |
| 511202 | C18H29N2O6P | 5-methyl-1-[(2R,5S)-5-(octoxyphosphonoyloxymethyl)-2,5-dihydrofuran-2-yl]pyrimidine-2,4-dione | 5-methyl-1-[(2R,5S)-5-(octoxyphosphonoyloxymethyl)-2,5-dihydrofuran-2-yl]pyrimidine-2,4-dione | 400.4 |
| 511203 | C15H23N2O6P | 5-methyl-1-[(2R,5S)-5-(pentoxyphosphonoyloxymethyl)-2,5-dihydrofuran-2-yl]pyrimidine-2,4-dione | 5-methyl-1-[(2R,5S)-5-(pentoxyphosphonoyloxymethyl)-2,5-dihydrofuran-2-yl]pyrimidine-2,4-dione | 358.33 |
| 511204 | C13H19N2O6P | 5-methyl-1-[(2R,5S)-5-(propoxyphosphonoyloxymethyl)-2,5-dihydrofuran-2-yl]pyrimidine-2,4-dione | 5-methyl-1-[(2R,5S)-5-(propoxyphosphonoyloxymethyl)-2,5-dihydrofuran-2-yl]pyrimidine-2,4-dione | 330.27 |
| 511205 | C11H15N2O6P | 1-[(2R,5S)-5-(methoxyphosphonoyloxymethyl)-2,5-dihydrofuran-2-yl]-5-methyl-pyrimidine-2,4-dione | 1-[(2R,5S)-5-(methoxyphosphonoyloxymethyl)-2,5-dihydrofuran-2-yl]-5-methyl-pyrimidine-2,4-dione | 302.22 |
| 511206 | C25H26N3O8P | benzyl (2R)-2-[[[(2S,5R)-5-(2,4-dioxopyrimidin-1-yl)-2,5-dihydrofuran-2-yl]methoxy-phenoxy-phosphoryl]amino]propanoate | benzyl (2R)-2-[[[(2S,5R)-5-(2,4-dioxopyrimidin-1-yl)-2,5-dihydrofuran-2-yl]methoxy-phenoxy-phosphoryl]amino]propanoate | 527.5 |
| 511207 | C16H17N2O7P | [(2S,5R)-5-(5-methyl-2,4-dioxo-pyrimidin-1-yl)-2,5-dihydrofuran-2-yl]methyl phenyl hydrogen phosphate | [(2S,5R)-5-(5-methyl-2,4-dioxo-pyrimidin-1-yl)-2,5-dihydrofuran-2-yl]methyl phenyl hydrogen phosphate | 380.29 |
| 511208 | C25H24Br2N3O8P | benzyl (2R)-2-[[(2,4-dibromophenoxy)-[[(2S,5R)-5-(2,4-dioxopyrimidin-1-yl)-2,5-dihydrofuran-2-yl]methoxy]phosphoryl]amino]propanoate | benzyl (2R)-2-[[(2,4-dibromophenoxy)-[[(2S,5R)-5-(2,4-dioxopyrimidin-1-yl)-2,5-dihydrofuran-2-yl]methoxy]phosphoryl]amino]propanoate | 685.3 |
| 511209 | C22H21N2O7P | [(2S,5R)-5-(5-methyl-2,4-dioxo-pyrimidin-1-yl)-2,5-dihydrofuran-2-yl]methyl diphenyl phosphate | [(2S,5R)-5-(5-methyl-2,4-dioxo-pyrimidin-1-yl)-2,5-dihydrofuran-2-yl]methyl diphenyl phosphate | 456.4 |
| 511210 | C28H30N3O8P | benzyl (2S)-1-[[(2S,5R)-5-(5-methyl-2,4-dioxo-pyrimidin-1-yl)-2,5-dihydrofuran-2-yl]methoxy-phenoxy-phosphoryl]pyrrolidine-2-carboxylate | (S)-1-{[(2S,5R)-5-(5-Methyl-2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-2,5-dihydro-furan-2-ylmethoxy]-phenoxy-phosphoryl}-pyrrolidine-2-carboxylic acid benzyl ester | 567.5 |
| 511211 | C23H30N3O8PS | ethyl (2R)-2-[[[(2S,5R)-5-(5-methyl-2,4-dioxo-pyrimidin-1-yl)-2,5-dihydrofuran-2-yl]methoxy-phenoxy-phosphoryl]amino]-4-methylsulfanyl-butanoate | ethyl (2R)-2-[[[(2S,5R)-5-(5-methyl-2,4-dioxo-pyrimidin-1-yl)-2,5-dihydrofuran-2-yl]methoxy-phenoxy-phosphoryl]amino]-4-methylsulfanyl-butanoate | 539.5 |
| 511212 | C25H25N2O9P | methyl 2-[[(2S,5R)-5-(5-methyl-2,4-dioxo-pyrimidin-1-yl)-2,5-dihydrofuran-2-yl]methoxy-phenoxy-phosphoryl]oxy-2-phenyl-acetate | Benzeneacetic acid, .alpha.-[[[[(2S,5R)-5-(3,4-dihydro-5-methyl-2,4-dioxo-1(2H)-pyrimidinyl)-2,5-dihydro-2-furanyl]methoxy]phenoxyphosphinyl]oxy]-, methyl ester | 528.4 |
| 511213 | C14H18N3O10P | (2S)-2-[[hydroxy-[[(2S,5R)-5-(5-methyl-2,4-dioxo-pyrimidin-1-yl)-2,5-dihydrofuran-2-yl]methoxy]phosphoryl]amino]butanedioic acid | (2S)-2-[[hydroxy-[[(2S,5R)-5-(5-methyl-2,4-dioxo-pyrimidin-1-yl)-2,5-dihydrofuran-2-yl]methoxy]phosphoryl]amino]butanedioic acid | 419.28 |
| 511214 | C15H20N3O10P | (2S)-2-[[hydroxy-[[(2S,5R)-5-(5-methyl-2,4-dioxo-pyrimidin-1-yl)-2,5-dihydrofuran-2-yl]methoxy]phosphoryl]amino]pentanedioic acid | (2S)-2-[[hydroxy-[[(2S,5R)-5-(5-methyl-2,4-dioxo-pyrimidin-1-yl)-2,5-dihydrofuran-2-yl]methoxy]phosphoryl]amino]pentanedioic acid | 433.31 |
| 511215 | C13H18N3O8P | (2R)-2-[[hydroxy-[[(2S,5R)-5-(5-methyl-2,4-dioxo-pyrimidin-1-yl)-2,5-dihydrofuran-2-yl]methoxy]phosphoryl]amino]propanoic acid | (2R)-2-[[hydroxy-[[(2S,5R)-5-(5-methyl-2,4-dioxo-pyrimidin-1-yl)-2,5-dihydrofuran-2-yl]methoxy]phosphoryl]amino]propanoic acid | 375.27 |
| 511216 | C14H20N3O8P | N-[(1S)-2-methoxy-1-methyl-2-oxo-ethyl]-[[(2S,5R)-5-(5-methyl-2,4-dioxo-pyrimidin-1-yl)-2,5-dihydrofuran-2-yl]methoxy]phosphonamidic acid | L-Alanine, N-[[[(2S,5R)-5-(3,4-dihydro-5-methyl-2,4-dioxo-1(2H)-pyrimidinyl)-2,5-dihydro-2-furanyl]methoxy]hydroxyphosphinyl]-, methyl ester | 389.30 |
| 511217 | C21H26N3O8P | ethyl 2-[methyl-[[(2S,5R)-5-(5-methyl-2,4-dioxo-pyrimidin-1-yl)-2,5-dihydrofuran-2-yl]methoxy-phenoxy-phosphoryl]amino]acetate | ethyl 2-[methyl-[[(2S,5R)-5-(5-methyl-2,4-dioxo-pyrimidin-1-yl)-2,5-dihydrofuran-2-yl]methoxy-phenoxy-phosphoryl]amino]acetate | 479.4 |
| 511218 | C15H22N3O8PS | (2S)-2-[[hydroxy-[[(2S,5R)-5-(5-methyl-2,4-dioxo-pyrimidin-1-yl)-2,5-dihydrofuran-2-yl]methoxy]phosphoryl]amino]-4-methylsulfanyl-butanoic acid | L-Methionine, N-(2',3'-didehydro-3'-deoxy-5'-thymidylyl)- | 435.4 |
| 511219 | C12H16N3O8P | 2-[[hydroxy-[[(2S,5R)-5-(5-methyl-2,4-dioxo-pyrimidin-1-yl)-2,5-dihydrofuran-2-yl]methoxy]phosphoryl]amino]acetic acid | 2-[[hydroxy-[[(2S,5R)-5-(5-methyl-2,4-dioxo-pyrimidin-1-yl)-2,5-dihydrofuran-2-yl]methoxy]phosphoryl]amino]acetic acid | 361.24 |
| 511220 | C23H30N3O8P | methyl (2S,3S)-3-methyl-2-[[[(2S,5R)-5-(5-methyl-2,4-dioxo-pyrimidin-1-yl)-2,5-dihydrofuran-2-yl]methoxy-phenoxy-phosphoryl]amino]pentanoate | L-Isoleucine, N-[[[(2S,5R)-5-(3,4-dihydro-5-methyl-2,4-dioxo-1(2H)-pyrimidinyl)-2,5-dihydro-2-furanyl]methoxy]phenoxyphosphinyl]-, methyl ester | 507.5 |
| 511221 | C19H22N3O8P | (2S)-2-[[hydroxy-[[(2S,5R)-5-(5-methyl-2,4-dioxo-pyrimidin-1-yl)-2,5-dihydrofuran-2-yl]methoxy]phosphoryl]amino]-3-phenyl-propanoic acid | L-Phenylalanine, N-(2',3'-didehydro-3'-deoxy-5'-thymidylyl)- | 451.4 |
| 511222 | C15H22N3O8P | (2S)-2-[[hydroxy-[[(2S,5R)-5-(5-methyl-2,4-dioxo-pyrimidin-1-yl)-2,5-dihydrofuran-2-yl]methoxy]phosphoryl]amino]-3-methyl-butanoic acid | (2S)-2-[[hydroxy-[[(2S,5R)-5-(5-methyl-2,4-dioxo-pyrimidin-1-yl)-2,5-dihydrofuran-2-yl]methoxy]phosphoryl]amino]-3-methyl-butanoic acid | 403.32 |
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.