Sulfur + Oxygen Compounds (S + O)
Browse all compounds containing Sulfur + Oxygen 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: 2,691,271
Showing 80,451 - 80,500 of 2,691,271
Page 1610 of 53,826
| CID | Formula | IUPAC Name | Traditional Name | Mol. Weight |
|---|---|---|---|---|
| 455178 | C9H9ClN4O2S | [(2S,5S)-5-(6-chloropurin-9-yl)-1,3-oxathiolan-2-yl]methanol | Oxathiolan, 6ClPur-(-)-alpha | 272.71 |
| 455179 | C9H11N5O2S | [(2S,5R)-5-(6-aminopurin-9-yl)-1,3-oxathiolan-2-yl]methanol | OxathiolanA-(-)-beta | 253.28 |
| 455180 | C10H13N5O2S | [(2S,5R)-5-[6-(methylamino)purin-9-yl]-1,3-oxathiolan-2-yl]methanol | 149819-60-3 | 267.31 |
| 455181 | C10H13N5O2S | [(2S,5S)-5-[6-(methylamino)purin-9-yl]-1,3-oxathiolan-2-yl]methanol | 149819-63-6 | 267.31 |
| 455182 | C9H10FN5O2S | [(2S,5R)-5-(6-amino-2-fluoro-purin-9-yl)-1,3-oxathiolan-2-yl]methanol | Oxathiolan, 2FA-(-)-beta | 271.27 |
| 455183 | C9H10FN5O2S | [(2S,5S)-5-(6-amino-2-fluoro-purin-9-yl)-1,3-oxathiolan-2-yl]methanol | Oxathiolan, 2FA-(-)-alpha | 271.27 |
| 455184 | C16H13NOS | (9bR)-9b-phenyl-2,3-dihydrothiazolo[2,3-a]isoindol-5-one | CHEMBL85850 | 267.3 |
| 455185 | C16H13NOS | (9bS)-9b-phenyl-2,3-dihydrothiazolo[2,3-a]isoindol-5-one | BDBM1356 | 267.3 |
| 455186 | C20H15NOS | (9bR)-9b-(1-naphthyl)-2,3-dihydrothiazolo[2,3-a]isoindol-5-one | Thiazoloisoindol-5-one, C10H7 deriv. | 317.4 |
| 455187 | C18H17NOS | 9b-(3,5-dimethylphenyl)-2,3-dihydrothiazolo[2,3-a]isoindol-5-one | RefChem:914800 | 295.4 |
| 455188 | C16H12ClNOS | (9bR)-8-chloro-9b-phenyl-2,3-dihydrothiazolo[2,3-a]isoindol-5-one | CHEMBL83632 | 301.8 |
| 455203 | C53H76N10O19S | (2S)-5-amino-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2R)-2-[[(2S,3S)-2-[[(2S)-2-[[(2S,3R)-2-amino-3-hydroxy-butanoyl]amino]-3-(4-hydroxyphenyl)propanoyl]amino]-3-methyl-pentanoyl]amino]-3-benzylsulfanyl-propanoyl]amino]-4-carboxy-butanoyl]amino]-3-methyl-butanoyl]amino]-4-carboxy-butanoyl]amino]-3-carboxy-propanoyl]amino]-5-oxo-pentanoic acid | CD4 83-91 deriv. | 1189.3 |
| 455207 | C18H20F2N2OS | 2-cyclopentylsulfanyl-6-[1-(2,6-difluorophenyl)ethyl]-5-methyl-1H-pyrimidin-4-one | 2-cyclopentylsulfanyl-6-[1-(2,6-difluorophenyl)ethyl]-5-methyl-1H-pyrimidin-4-one | 350.4 |
| 455230 | C6H4N4OS | 3-pyrazin-2-yl-1,2,4-oxadiazole-5-thiol | 3-pyrazin-2-yl-1,2,4-oxadiazole-5-thiol | 180.19 |
| 455231 | C13H15N3O3S | [3-(4-pyridyl)-1,2,4-oxadiazol-5-yl]sulfanylmethyl 2,2-dimethylpropanoate | 345631-80-3 | 293.34 |
| 455232 | C43H78N6O13S2Si4 | 7-[(6R,8R,9R)-4-amino-9-[tert-butyl(dimethyl)silyl]oxy-6-[[tert-butyl(dimethyl)silyl]oxymethyl]-2,2-dioxo-1,7-dioxa-2lambda6-thiaspiro[4.4]non-3-en-8-yl]-1-[(6R,8S,9R)-4-amino-9-[tert-butyl(dimethyl)silyl]oxy-6-[[tert-butyl(dimethyl)silyl]oxymethyl]-2,2-dioxo-1,7-dioxa-2lambda6-thiaspiro[4.4]non-3-en-8-yl]purin-6-one | [1,7-Bis-[2',5'-bis-O-(tert-butyldimethylsilyl)-.beta.-D-ribofuranosyl]hypoxanthine]-3'-spiro-5-(4-amino-1,2-oxathiole-2,2-dioxide) | 1063.6 |
| 455233 | C24H41N5O8SSi2 | 7-[(6R,8R,9R)-4-amino-9-[tert-butyl(dimethyl)silyl]oxy-6-[[tert-butyl(dimethyl)silyl]oxymethyl]-2,2-dioxo-1,7-dioxa-2lambda6-thiaspiro[4.4]non-3-en-8-yl]-3H-purine-2,6-dione | [7-[2',5'-Bis-O-(tert-butyldimethylsilyl)-.beta.-D-ribofuranosyl]xanthine]-3'-spiro-5-(4-amino-1,2-oxathiole-2,2-dioxide) | 615.8 |
| 455234 | C24H41N5O8SSi2 | 3-[(6R,8R,9R)-4-amino-9-[tert-butyl(dimethyl)silyl]oxy-6-[[tert-butyl(dimethyl)silyl]oxymethyl]-2,2-dioxo-1,7-dioxa-2lambda6-thiaspiro[4.4]non-3-en-8-yl]-7H-purine-2,6-dione | [3-[2',5'-Bis-O-(tert-butyldimethylsilyl)-.beta.-D-ribofuranosyl]xanthine]-3'-spiro-5-(4-amino-1,2-oxathiole-2,2-dioxide) | 615.8 |
| 455235 | C26H43N3O6SSi2 | (6R,8R,9R)-8-(benzimidazol-1-yl)-9-[tert-butyl(dimethyl)silyl]oxy-6-[[tert-butyl(dimethyl)silyl]oxymethyl]-2,2-dioxo-1,7-dioxa-2lambda6-thiaspiro[4.4]non-3-en-4-amine | TSAO-Benzimid | 581.9 |
| 455236 | C25H43N5O7SSi2 | (6R,8R,9R)-9-[tert-butyl(dimethyl)silyl]oxy-6-[[tert-butyl(dimethyl)silyl]oxymethyl]-8-(6-methoxypurin-9-yl)-2,2-dioxo-1,7-dioxa-2lambda6-thiaspiro[4.4]non-3-en-4-amine | TSAO-m6Hx | 613.9 |
| 455237 | C25H44N6O6SSi2 | 9-[(6R,8R,9R)-4-amino-9-[tert-butyl(dimethyl)silyl]oxy-6-[[tert-butyl(dimethyl)silyl]oxymethyl]-2,2-dioxo-1,7-dioxa-2lambda6-thiaspiro[4.4]non-3-en-8-yl]-N-methyl-purin-6-amine | TSAO-A deriv. | 612.9 |
| 455238 | C26H46N6O6SSi2 | 9-[(6R,8R,9R)-4-amino-9-[tert-butyl(dimethyl)silyl]oxy-6-[[tert-butyl(dimethyl)silyl]oxymethyl]-2,2-dioxo-1,7-dioxa-2lambda6-thiaspiro[4.4]non-3-en-8-yl]-N,N-dimethyl-purin-6-amine | TSAO-dm^6A | 626.9 |
| 455239 | C24H41N5O6SSi2 | (6R,8R,9R)-9-[tert-butyl(dimethyl)silyl]oxy-6-[[tert-butyl(dimethyl)silyl]oxymethyl]-2,2-dioxo-8-purin-9-yl-1,7-dioxa-2lambda6-thiaspiro[4.4]non-3-en-4-amine | TSAO-Pur deriv. | 583.8 |
| 455240 | C25H43N5O7SSi2 | 9-[(6R,8R,9R)-4-amino-9-[tert-butyl(dimethyl)silyl]oxy-6-[[tert-butyl(dimethyl)silyl]oxymethyl]-2,2-dioxo-1,7-dioxa-2lambda6-thiaspiro[4.4]non-3-en-8-yl]-1-methyl-purin-6-one | [9-[2',5'-Bis-O-(tert-butyldimethylsilyl)-.beta.-D-ribofuranosyl]-N-methylhypoxanthine]-3'-spiro-5-(4-amino-1,2-oxathiole-2,2-dioxide) | 613.9 |
| 455241 | C25H43N5O7SSi2 | 7-[(6R,8R,9R)-4-amino-9-[tert-butyl(dimethyl)silyl]oxy-6-[[tert-butyl(dimethyl)silyl]oxymethyl]-2,2-dioxo-1,7-dioxa-2lambda6-thiaspiro[4.4]non-3-en-8-yl]-1-methyl-purin-6-one | [7-[2',5'-Bis-O-(tert-butyldimethylsilyl)-.beta.-D-ribofuranosyl]-N-methylhypoxanthine]-3'-spiro-5-(4-amino-1,2-oxathiole-2,2-dioxide) | 613.9 |
| 455242 | C26H45N5O7SSi2 | 7-[(6R,8R,9R)-4-amino-9-[tert-butyl(dimethyl)silyl]oxy-6-[[tert-butyl(dimethyl)silyl]oxymethyl]-2,2-dioxo-1,7-dioxa-2lambda6-thiaspiro[4.4]non-3-en-8-yl]-1-ethyl-purin-6-one | [7-[2',5'-Bis-O-(tert-butyldimethylsilyl)-.beta.-D-ribofuranosyl]-N-ethylhypoxanthine]-3'-spiro-5-(4-amino-1,2-oxathiole-2,2-dioxide) | 627.9 |
| 455276 | C30H48O6S | (3aS,5aR,5bR,7aR,9S,11aR,11bR,13aR,13bR)-1-isopropenyl-5a,5b,8,8,11a-pentamethyl-9-sulfooxy-1,2,3,4,5,6,7,7a,9,10,11,11b,12,13,13a,13b-hexadecahydrocyclopenta[a]chrysene-3a-carboxylic acid | Betulinic acid, 3-O-Sulphate | 536.8 |
| 455289 | C13H17NO3S | 2-[4-ethyl-5-hydroxy-2-(2-methylbuta-1,3-dienyl)-3-oxo-2-thienyl]acetamide | 2-[4-ethyl-5-hydroxy-2-(2-methylbuta-1,3-dienyl)-3-oxo-2-thienyl]acetamide | 267.35 |
| 455296 | C23H27N7O5S | 1-[3-acetyl-5-[(2-amino-6-methyl-pyrimidin-4-yl)amino]phenyl]ethanone;4-amino-1-[(2R,5S)-2-(hydroxymethyl)-1,3-oxathiolan-5-yl]pyrimidin-2-one | 3TC & CNI-H1194 | 513.6 |
| 455314 | C45H59N9O8S3 | 4-amino-1-[2-(hydroxymethyl)-1,3-oxathiolan-4-yl]pyrimidin-2-one;thiazol-5-ylmethyl N-[(1S,2S,4S)-1-benzyl-2-hydroxy-4-[[(2S)-2-[[(2-isopropylthiazol-4-yl)methyl-methyl-carbamoyl]amino]-3-methyl-butanoyl]amino]-5-phenyl-pentyl]carbamate | dOTC & Ritonavir | 950.2 |
| 455315 | C37H48N6O5S2 | thiazol-5-ylmethyl N-[(1S,4S)-1-benzyl-2-hydroxy-4-[[(2S)-2-[[(2-isopropylthiazol-4-yl)methyl-methyl-carbamoyl]amino]-3-methyl-butanoyl]amino]-5-phenyl-pentyl]carbamate | SCHEMBL7806137 | 720.9 |
| 455316 | C8H11N3O3S | 4-amino-1-[2-(hydroxymethyl)-1,3-oxathiolan-4-yl]pyrimidin-2-one | SPD754;AVX754 | 229.26 |
| 455317 | C44H58N8O7S | 4-amino-1-[2-(hydroxymethyl)-1,3-oxathiolan-4-yl]pyrimidin-2-one;(2S)-1-[(2S,4S)-4-benzyl-2-hydroxy-5-[[(1S,2R)-2-hydroxyindan-1-yl]amino]-5-oxo-pentyl]-N-tert-butyl-4-(3-pyridylmethyl)piperazine-2-carboxamide | 4-amino-1-[2-(hydroxymethyl)-1,3-oxathiolan-4-yl]pyrimidin-2-one;(2S)-1-[(2S,4S)-4-benzyl-2-hydroxy-5-[[(1S,2R)-2-hydroxyindan-1-yl]amino]-5-oxo-pentyl]-N-tert-butyl-4-(3-pyridylmethyl)piperazine-2-carboxamide | 843.0 |
| 455320 | C18H23N5O7S | 4-amino-1-[(2R,4R)-2-(hydroxymethyl)-1,3-oxathiolan-4-yl]pyrimidin-2-one;1-[(2R,5S)-5-(hydroxymethyl)-2,5-dihydrofuran-2-yl]-5-methyl-pyrimidine-2,4-dione | BCH-10652 & d4T | 453.5 |
| 455321 | C46H61N9O8S | (2S)-N-[(1S,2R)-3-[(3S,4aS,8aS)-3-(tert-butylcarbamoyl)-3,4,4a,5,6,7,8,8a-octahydro-1H-isoquinolin-2-yl]-1-benzyl-2-hydroxy-propyl]-2-(quinoline-2-carbonylamino)butanediamide;4-amino-1-[2-(hydroxymethyl)-1,3-oxathiolan-4-yl]pyrimidin-2-one | dOTC & Saquinavir | 900.1 |
| 455326 | C10H11FN4O3S | (2R,3R,4R,5R)-4-fluoro-2-(hydroxymethyl)-5-(6-sulfanylpurin-9-yl)tetrahydrofuran-3-ol | (2R,3R,4R,5R)-4-fluoro-2-(hydroxymethyl)-5-(6-sulfanylpurin-9-yl)tetrahydrofuran-3-ol | 286.29 |
| 455338 | C31H52O12S3 | [(2S,3S,6S,10S,13R,14S,17R)-17-[(1R)-3-(1-isopropyl-2-methyl-cyclopropyl)-1-methyl-propyl]-10,13,14-trimethyl-2,3-disulfooxy-1,2,3,4,5,6,7,8,12,15,16,17-dodecahydrocyclopenta[a]phenanthren-6-yl] hydrogen sulfate | Ibisterol sulfate | 712.9 |
| 455339 | C30H54O12S3 | [(2S,3S,5S,6S,10R,13R,17R)-10,13-dimethyl-2,3-disulfooxy-17-[(1R)-1,4,5,5-tetramethylheptyl]-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-6-yl] hydrogen sulfate | 26-Methylhalistanol sulfate | 702.9 |
| 455340 | C28H50O12S3 | [(2S,3S,5S,6S,10R,13R,17R)-10,13-dimethyl-2,3-disulfooxy-17-[(1R,4S)-1,4,5-trimethylhexyl]-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-6-yl] hydrogen sulfate | 25-Demethylhalistanol sulfate | 674.9 |
| 455341 | C27H46O9S2 | [(3S,6S,10S,13S,17R)-17-[(1S,2R)-2-hydroxy-1,5-dimethyl-hexyl]-10,13-dimethyl-3-sulfooxy-2,3,4,5,6,7,8,12,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-6-yl] hydrogen sulfate | CHEMBL1205902 | 578.8 |
| 455342 | C27H48O9S2 | [(3S,6S,10R,13S,17R)-17-[(1S,2R)-2-hydroxy-1,5-dimethyl-hexyl]-10,13-dimethyl-3-sulfooxy-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-6-yl] hydrogen sulfate | Cholestane-3,6,22-triol, 3,6-bis(hydrogen sulfate), (3.beta.6.alpha.) | 580.8 |
| 455343 | C29H48O10S2 | [(1R)-1-[(1S)-1-[(3S,6S,10S,13S,17R)-10,13-dimethyl-3,6-disulfooxy-2,3,4,5,6,7,8,12,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-17-yl]ethyl]-4-methyl-pentyl] acetate | CHEMBL1207747 | 620.8 |
| 455344 | C29H50O10S2 | [(1R)-1-[(1S)-1-[(3S,5S,6S,8S,9S,10R,13S,14S,17R)-10,13-dimethyl-3,6-disulfooxy-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl]ethyl]-4-methyl-pentyl] acetate | [(1R)-1-[(1S)-1-[(3S,5S,6S,8S,9S,10R,13S,14S,17R)-10,13-dimethyl-3,6-disulfooxy-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl]ethyl]-4-methyl-pentyl] acetate | 622.8 |
| 455345 | C35H61O15PS | [(3S,5S,6S,8R,9S,10R,13S,14S,16R,17R)-17-[(1R)-1,5-dimethylhexyl]-6-[hydroxy-[(3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydropyran-2-yl]oxy-phosphoryl]oxy-10,13-dimethyl-3-sulfooxy-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-16-yl] acetate | [(3S,5S,6S,8R,9S,10R,13S,14S,16R,17R)-17-[(1R)-1,5-dimethylhexyl]-6-[hydroxy-[(3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydropyran-2-yl]oxy-phosphoryl]oxy-10,13-dimethyl-3-sulfooxy-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-16-yl] acetate | 784.9 |
| 455346 | C32H56O11S | [(3S,5S,6S,8R,9S,10R,13R,14S,15S,17R)-17-[(1R,4S)-1,5-dimethyl-4-[(3S,4S,5R)-3,4,5-trihydroxytetrahydropyran-2-yl]oxy-hexyl]-3,6-dihydroxy-10,13-dimethyl-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-15-yl] hydrogen sulfate | [(3S,5S,6S,8R,9S,10R,13R,14S,15S,17R)-17-[(1R,4S)-1,5-dimethyl-4-[(3S,4S,5R)-3,4,5-trihydroxytetrahydropyran-2-yl]oxy-hexyl]-3,6-dihydroxy-10,13-dimethyl-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-15-yl] hydrogen sulfate | 648.8 |
| 455347 | C32H56O12S | [(3S,5S,6R,7S,8R,9S,10R,13R,14S,15S,17R)-17-[(1R,4S)-1,5-dimethyl-4-[(3S,4S,5R)-3,4,5-trihydroxytetrahydropyran-2-yl]oxy-hexyl]-3,6,7-trihydroxy-10,13-dimethyl-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-15-yl] hydrogen sulfate | [(3S,5S,6R,7S,8R,9S,10R,13R,14S,15S,17R)-17-[(1R,4S)-1,5-dimethyl-4-[(3S,4S,5R)-3,4,5-trihydroxytetrahydropyran-2-yl]oxy-hexyl]-3,6,7-trihydroxy-10,13-dimethyl-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-15-yl] hydrogen sulfate | 664.8 |
| 455348 | C27H47NO10S | 3-hydroxy-2-[[(4R)-4-[(3S,5R,6R,10R,13R,15R,16R,17R)-3,5,6,15,16-pentahydroxy-10,13-dimethyl-1,2,3,4,6,7,8,9,11,12,14,15,16,17-tetradecahydrocyclopenta[a]phenanthren-17-yl]pentanoyl]amino]propane-1-sulfonic acid | 3-hydroxy-2-[[(4R)-4-[(3S,5R,6R,10R,13R,15R,16R,17R)-3,5,6,15,16-pentahydroxy-10,13-dimethyl-1,2,3,4,6,7,8,9,11,12,14,15,16,17-tetradecahydrocyclopenta[a]phenanthren-17-yl]pentanoyl]amino]propane-1-sulfonic acid | 577.7 |
| 455349 | C29H52O10S | [(6R)-6-[(3S,5R,6R,8S,9R,10R,13R,14S,15R,16R,17R)-3,5,6,8,15,16-hexahydroxy-10,13-dimethyl-2,3,4,6,7,9,11,12,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-17-yl]-3-isopropyl-heptyl] hydrogen sulfate | [(6R)-6-[(3S,5R,6R,8S,9R,10R,13R,14S,15R,16R,17R)-3,5,6,8,15,16-hexahydroxy-10,13-dimethyl-2,3,4,6,7,9,11,12,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-17-yl]-3-isopropyl-heptyl] hydrogen sulfate | 592.8 |
| 455350 | C34H56O13S | [(3S,6S,8R,9R,10S,13R,14S,15R,16R,17S)-3-[(2R,3R,4R,5R)-4,5-dihydroxy-3-methoxy-tetrahydropyran-2-yl]oxy-6,8,16-trihydroxy-17-[(1R,4R)-4-(hydroxymethyl)-1,5-dimethyl-hex-2-enyl]-10,13-dimethyl-1,2,3,6,7,9,11,12,14,15,16,17-dodecahydrocyclopenta[a]phenanthren-15-yl] hydrogen sulfate | [(3S,6S,8R,9R,10S,13R,14S,15R,16R,17S)-3-[(2R,3R,4R,5R)-4,5-dihydroxy-3-methoxy-tetrahydropyran-2-yl]oxy-6,8,16-trihydroxy-17-[(1R,4R)-4-(hydroxymethyl)-1,5-dimethyl-hex-2-enyl]-10,13-dimethyl-1,2,3,6,7,9,11,12,14,15,16,17-dodecahydrocyclopenta[a]phenanthren-15-yl] hydrogen sulfate | 704.9 |
| 455351 | C27H46O9S2 | [(3R,4S,8S,9S,10R,13S,14S,17R)-4-hydroxy-10,13-dimethyl-17-[(1S)-5-methyl-1-(sulfooxymethyl)hex-5-enyl]-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl] hydrogen sulfate | [(3R,4S,8S,9S,10R,13S,14S,17R)-4-hydroxy-10,13-dimethyl-17-[(1S)-5-methyl-1-(sulfooxymethyl)hex-5-enyl]-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl] hydrogen sulfate | 578.8 |
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.