Molecular formula
C16H21N5O2S
96 compounds have this formula on CompoundList.
- Molar mass
- 347.44g/mol
- Monoisotopic mass
- 347.1416Da
- Atoms
- 45
- Elements
- 5
- Rings plus double bonds
- 9
The formula C16H21N5O2S describes a molecule made of 16 carbon atoms, 21 hydrogen atoms, 5 nitrogen atoms, 2 oxygen atoms and 1 sulfur atom. It is written in Hill notation: carbon first, then hydrogen, then the other elements in alphabetical order. The formula tells you which atoms are present, not how they are connected, which is why several different chemicals can share it.
Elemental composition
- C Carbon × 1655.31%12.011 × 16 = 192.176 g/mol
- H Hydrogen × 216.09%1.008 × 21 = 21.168 g/mol
- N Nitrogen × 520.16%14.007 × 5 = 70.035 g/mol
- O Oxygen × 29.21%15.999 × 2 = 31.998 g/mol
- S Sulfur × 19.23%32.06 × 1 = 32.060 g/mol
Look up another formula
Compounds with the formula C16H21N5O2S
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 96 of 96 compounds
![N-Cyclohexyl-2-[1-(2-methoxyphenyl)tetrazol-5-yl]sulfanylacetamide chemical structure, C16H21N5O2S, CAS 333789-10-9](/s/YAPUUUKLOXTMRU-UHFFFAOYSA-N.svg)
N-Cyclohexyl-2-[1-(2-methoxyphenyl)tetrazol-5-yl]sulfanylacetamide
CAS 333789-10-9C16H21N5O2S
![1-Morpholin-4-yl-2-[(4-propyl-5-pyridin-4-yl-1,2,4-triazol-3-yl)sulfanyl]ethanone chemical structure, C16H21N5O2S, CAS 510766-75-3](/s/PJPWCEQXFYJNAM-UHFFFAOYSA-N.svg)
1-Morpholin-4-yl-2-[(4-propyl-5-pyridin-4-yl-1,2,4-triazol-3-yl)sulfanyl]ethanone
CAS 510766-75-3C16H21N5O2S
![N-Cyclohexyl-2-[1-(3-methoxy-phenyl)-1H-tetrazol-5-ylsulfanyl]-acetamide chemical structure, C16H21N5O2S, CAS 461453-12-3](/s/KGRYSQKKJSMOAE-UHFFFAOYSA-N.svg)
N-Cyclohexyl-2-[1-(3-methoxy-phenyl)-1H-tetrazol-5-ylsulfanyl]-acetamide
CAS 461453-12-3C16H21N5O2S
2-((4-Amino-6-methyl-5-oxo-4,5-dihydro-1,2,4-triazin-3-yl)thio)-N-(4-butylphenyl)acetamide
CAS 869067-62-9C16H21N5O2S
![N-Cyclopentyl-2-{[1-(4-methoxyphenyl)-1H-tetrazol-5-yl]sulfanyl}propanamide chemical structure, C16H21N5O2S, CAS 878568-06-0](/s/YDLIYHCWAHORET-UHFFFAOYSA-N.svg)
N-Cyclopentyl-2-{[1-(4-methoxyphenyl)-1H-tetrazol-5-yl]sulfanyl}propanamide
CAS 878568-06-0C16H21N5O2S
![1-Amino-5-morpholin-4-yl-6,7,8,9-tetrahydrothieno[2,3-c]isoquinoline-2-carbohydrazide chemical structure, C16H21N5O2S, CAS 489403-08-9](/s/QVLTULSRHPJRHI-UHFFFAOYSA-N.svg)
1-Amino-5-morpholin-4-yl-6,7,8,9-tetrahydrothieno[2,3-c]isoquinoline-2-carbohydrazide
CAS 489403-08-9C16H21N5O2S
![N-Cyclohexyl-2-[1-(4-hydroxyphenyl)tetrazol-5-yl]sulfanyl-N-methylacetamide chemical structure, C16H21N5O2S, CAS 744231-84-3](/s/KZLGGYPRCFPREQ-UHFFFAOYSA-N.svg)
N-Cyclohexyl-2-[1-(4-hydroxyphenyl)tetrazol-5-yl]sulfanyl-N-methylacetamide
CAS 744231-84-3C16H21N5O2S
FR-145715
CAS 149917-31-7C16H21N5O2S
N-Cyclopentyl-3-((1-(4-methoxyphenyl)-1H-tetrazol-5-yl)thio)propanamide
CAS 924828-43-3C16H21N5O2S
![2-(3-Oxo-3,5,6,7,8,9-hexahydro-2H-cyclohepta[c]pyridazin-2-yl)-N-[(2E)-5-(propan-2-yl)-1,3,4-thiadiazol-2(3H)-ylidene]acetamide chemical structure, C16H21N5O2S, CAS 1282129-51-4](/s/SDSHNORXNAHMIN-UHFFFAOYSA-N.svg)
2-(3-Oxo-3,5,6,7,8,9-hexahydro-2H-cyclohepta[c]pyridazin-2-yl)-N-[(2E)-5-(propan-2-yl)-1,3,4-thiadiazol-2(3H)-ylidene]acetamide
CAS 1282129-51-4C16H21N5O2S
N-(2-((2-Methyl-6-morpholinopyrimidin-4-yl)amino)ethyl)thiophene-2-carboxamide
CAS 1203275-71-1C16H21N5O2S
2-(4-(5-Cyclopropyl-1,3,4-oxadiazol-2-yl)piperidin-1-yl)-N-(4-methylthiazol-2-yl)acetamide
CAS 1251543-28-8C16H21N5O2S
![4-[4-(2-Acetamidoethyl)piperidin-1-yl]thieno[3,2-d]pyrimidine-6-carboxamide chemical structure, C16H21N5O2S, CAS 1431411-43-6](/s/KHHINHQHUHGNAF-UHFFFAOYSA-N.svg)
4-[4-(2-Acetamidoethyl)piperidin-1-yl]thieno[3,2-d]pyrimidine-6-carboxamide
CAS 1431411-43-6C16H21N5O2S
2-((1-(4-Isopropylphenyl)-1H-tetrazol-5-yl)thio)-1-morpholinoethanone
CAS 878701-56-5C16H21N5O2S
N-Mesyl rizatriptan
CAS 2757961-25-2C16H21N5O2S
(4-(5-Cyclopropyl-1,3,4-oxadiazol-2-yl)piperidin-1-yl)(4-propyl-1,2,3-thiadiazol-5-yl)methanone
CAS 1208810-43-8C16H21N5O2S
2-(4,5-Dimethyl-6-oxopyrimidin-1(6H)-yl)-N-(1-(thiazol-2-yl)piperidin-4-yl)acetamide
CAS 1448065-53-9C16H21N5O2S
(4-((6-Methylpyridazin-3-yl)oxy)piperidin-1-yl)(4-propyl-1,2,3-thiadiazol-5-yl)methanone
CAS 1797593-06-6C16H21N5O2S
3-((6-(Dimethylamino)pyridazin-3-yl)oxy)-N-(thiophen-2-ylmethyl)pyrrolidine-1-carboxamide
CAS 2034479-54-2C16H21N5O2S
3-((3-(Dimethylamino)pyrazin-2-yl)oxy)-N-(thiophen-2-yl)piperidine-1-carboxamide
CAS 2034439-89-7C16H21N5O2S
![2-{2-[(10-Methyl-8,9,10,11-tetrahydro[1]benzothieno[3,2-e][1,2,4]triazolo[1,5-c]pyrimidin-5-yl)amino]ethoxy}ethanol chemical structure, C16H21N5O2S, CAS 877805-73-7](/s/MTQQGYYAKHKXCS-UHFFFAOYSA-N.svg)
2-{2-[(10-Methyl-8,9,10,11-tetrahydro[1]benzothieno[3,2-e][1,2,4]triazolo[1,5-c]pyrimidin-5-yl)amino]ethoxy}ethanol
CAS 877805-73-7C16H21N5O2S
![5-((4-Ethylpiperazin-1-yl)(furan-2-yl)methyl)-2-methylthiazolo[3,2-b][1,2,4]triazol-6-ol chemical structure, C16H21N5O2S, CAS 851970-01-9](/s/OGNBYAQVPNUNQW-UHFFFAOYSA-N.svg)
5-((4-Ethylpiperazin-1-yl)(furan-2-yl)methyl)-2-methylthiazolo[3,2-b][1,2,4]triazol-6-ol
CAS 851970-01-9C16H21N5O2S
![4-Amino-N-[3-(morpholin-4-yl)propyl]-3-(pyridin-2-yl)-1,2-thiazole-5-carboxamide chemical structure, C16H21N5O2S, CAS 1251552-96-1](/s/BQGOPCHIZIBAES-UHFFFAOYSA-N.svg)
4-Amino-N-[3-(morpholin-4-yl)propyl]-3-(pyridin-2-yl)-1,2-thiazole-5-carboxamide
CAS 1251552-96-1C16H21N5O2S
![N-{[6-(3,4-Dimethoxyphenyl)[1,2,4]triazolo[3,4-b][1,3,4]thiadiazol-3-yl]methyl}-N-ethylethanamine chemical structure, C16H21N5O2S, CAS 1269021-87-5](/s/QRBLZJSMQUFFDA-UHFFFAOYSA-N.svg)
N-{[6-(3,4-Dimethoxyphenyl)[1,2,4]triazolo[3,4-b][1,3,4]thiadiazol-3-yl]methyl}-N-ethylethanamine
CAS 1269021-87-5C16H21N5O2S
- N-{[6-(3,5-Dimethoxyphenyl)[1,2,4]triazolo[3,4-b][1,3,4]thiadiazol-3-yl]methyl}-N-ethylethanamine1282113-61-4C16H21N5O2S
- N-Ethyl-N-({6-[(2-methoxyphenoxy)methyl][1,2,4]triazolo[3,4-b][1,3,4]thiadiazol-3-yl}methyl)ethanamine1282117-71-8C16H21N5O2S
- 2,4-Dimethyl-N-((4-methyl-6-morpholinopyrimidin-2-yl)methyl)thiazole-5-carboxamide1797806-60-0C16H21N5O2S
- 4-Methyl-N-[(1r,4r)-4-[(4,6-dimethylpyrimidin-2-yl)oxy]cyclohexyl]-1,2,3-thiadiazole-5-carboxamide2034438-80-5C16H21N5O2S
- 3-((6-(Dimethylamino)pyrazin-2-yl)oxy)-N-(thiophen-2-ylmethyl)pyrrolidine-1-carboxamide2034335-19-6C16H21N5O2S
- (3-((6-(Dimethylamino)pyridazin-3-yl)oxy)pyrrolidin-1-yl)(2,4-dimethylthiazol-5-yl)methanone2034250-16-1C16H21N5O2S
- (3-((3-(Dimethylamino)pyrazin-2-yl)oxy)piperidin-1-yl)(2-methylthiazol-4-yl)methanone2034502-26-4C16H21N5O2S
- 2-[4-(2-Methoxyphenyl)piperazin-1-yl]-N-(5-methyl-1,3,4-thiadiazol-2-yl)acetamide885418-10-0C16H21N5O2S
- 2-Ethyl-5-(furan-2-yl(4-methylpiperazin-1-yl)methyl)thiazolo[3,2-b][1,2,4]triazol-6-ol886911-09-7C16H21N5O2S
- N-{[6-(2,4-Dimethoxyphenyl)[1,2,4]triazolo[3,4-b][1,3,4]thiadiazol-3-yl]methyl}-N,N-diethylamine1269087-05-9C16H21N5O2S
- N-{[6-(2,3-Dimethoxyphenyl)[1,2,4]triazolo[3,4-b][1,3,4]thiadiazol-3-yl]methyl}-N,N-diethylamine1269104-35-9C16H21N5O2S
- N,N-Diethyl-N-({6-[(4-methoxyphenoxy)methyl][1,2,4]triazolo[3,4-b][1,3,4]thiadiazol-3-yl}methyl)amine1282126-82-2C16H21N5O2S
- (2,4-Dimethylthiazol-5-yl)(4-(6-methoxy-2-methylpyrimidin-4-yl)piperazin-1-yl)methanone1286702-76-8C16H21N5O2S
- N-(2,2-Dimethyltetrahydro-2H-pyran-4-yl)-2-(1H-tetrazol-1-yl)-5,6-dihydro-4H-cyclopenta[b]thiophene-3-carboxamide1225071-46-4C16H21N5O2S
- 5-Methyl-N2-[3-(piperidine-1-sulfonyl)-phenyl]-pyrimidine-2,4-diamine936092-54-5C16H21N5O2S
- N-(4,5-Dimethylthiazol-2-yl)-1-(6-methoxypyridazin-3-yl)piperidine-4-carboxamide1435980-41-8C16H21N5O2S
- N-(4,5-Dimethylthiazol-2-yl)-1-(1-methyl-6-oxo-1,6-dihydropyridazin-3-yl)piperidine-4-carboxamide1421478-47-8C16H21N5O2S
- 4-Propyl-N-[(1r,4r)-4-(pyrazin-2-yloxy)cyclohexyl]-1,2,3-thiadiazole-5-carboxamide2034437-34-6C16H21N5O2S
- (3-((6-Methylpyridazin-3-yl)oxy)piperidin-1-yl)(4-propyl-1,2,3-thiadiazol-5-yl)methanone2034226-25-8C16H21N5O2S
- (3-((4,6-Dimethylpyrimidin-2-yl)oxy)pyrrolidin-1-yl)(4-propyl-1,2,3-thiadiazol-5-yl)methanone2034498-49-0C16H21N5O2S
- 2-[4-(3-Methoxyphenyl)piperazin-1-yl]-N-(5-methyl-1,3,4-thiadiazol-2-yl)acetamide885444-74-6C16H21N5O2S
- 2-[4-(2-Ethoxyphenyl)piperazinyl]-N-(1,3,4-thiadiazol-2-yl)acetamide885437-22-9C16H21N5O2S
- N,N-Diethyl-N-({6-[(3-methoxyphenoxy)methyl][1,2,4]triazolo[3,4-b][1,3,4]thiadiazol-3-yl}methyl)amine1313850-72-4C16H21N5O2S
- 4-(5-Pyrimidin-2-yl-thiazol-2-yl)-piperazine-1-carboxylic acid tert-butyl ester942189-81-3C16H21N5O2S
- N-(4,6-Dimethyl-2-morpholinopyrimidin-5-yl)-2,4-dimethylthiazole-5-carboxamide1797650-92-0C16H21N5O2S
- 2,4-Dimethyl-N-((6-methyl-2-morpholinopyrimidin-4-yl)methyl)thiazole-5-carboxamide1797721-00-6C16H21N5O2S
- N-((1-Cyclopentyl-1,4,6,7-tetrahydropyrano[4,3-c]pyrazol-3-yl)methyl)-4-methyl-1,2,3-thiadiazole-5-carboxamide1795191-38-6C16H21N5O2S
- (3-((3-(Dimethylamino)pyrazin-2-yl)oxy)piperidin-1-yl)(4-methylthiazol-5-yl)methanone2034582-63-1C16H21N5O2S
- 2-(Cyclopentyloxy)-N-(2-((4-methyl-4H-1,2,4-triazol-3-yl)thio)ethyl)isonicotinamide2034271-60-6C16H21N5O2S
- N-{[4-Methoxy-6-(piperidin-1-yl)-1,3,5-triazin-2-yl]methyl}-4-methylthiophene-2-carboxamide2034270-01-2C16H21N5O2S
- N-(5-Butyl-1,3,4-thiadiazol-2-yl)-2-(3-cyclopropyl-6-oxopyridazin-1(6H)-yl)propanamide2034233-08-2C16H21N5O2S
- (3-((2-Methylpyrimidin-4-yl)oxy)piperidin-1-yl)(4-propyl-1,2,3-thiadiazol-5-yl)methanone2034400-99-0C16H21N5O2S
- N-(1-(1,2,5-Thiadiazol-3-yl)piperidin-4-yl)-6-isopropoxynicotinamide2034604-54-9C16H21N5O2S
- N-(5-Butyl-1,3,4-thiadiazol-2-yl)-2-(3-oxo-3,5,6,7-tetrahydro-2H-cyclopenta[c]pyridazin-2-yl)propanamide2034495-58-2C16H21N5O2S
- 1-(1-(4-Methyl-6-oxo-1,6-dihydropyrimidin-2-yl)piperidin-4-yl)-3-(thiophen-2-ylmethyl)urea1904204-20-1C16H21N5O2S
- 2,4-Dimethyl-N-(1-(4-methyl-6-oxo-1,6-dihydropyrimidin-2-yl)piperidin-4-yl)thiazole-5-carboxamide1903601-36-4C16H21N5O2S
- 2-((4,6-Diaminopyrimidin-2-yl)thio)-N-(4-ethoxybenzyl)-N-methylacetamide852830-03-6C16H21N5O2S
- 2-[(4,5-Dimethyl-1,2,4-triazol-3-yl)sulfanyl]-N-(4-morpholin-4-ylphenyl)acetamide879061-44-6C16H21N5O2S
- 1-[4-(2-Methoxyphenyl)piperazin-1-yl]-2-[(4-methyl-1,2,4-triazol-3-yl)sulfanyl]ethanone924975-35-9C16H21N5O2S
- 2-{5-[(2-Amino-2-oxoethyl)sulfanyl]-4-ethyl-4H-1,2,4-triazol-3-yl}-N-(2,5-dimethylphenyl)acetamide950228-58-7C16H21N5O2S
- 2-{5-[(2-Amino-2-oxoethyl)sulfanyl]-4-ethyl-4H-1,2,4-triazol-3-yl}-N-(2,3-dimethylphenyl)acetamide959238-68-7C16H21N5O2S
- 1-[(E)-2-Phenylethenyl]sulfonyl-4-[2-(1,2,4-triazol-1-yl)ethyl]piperazine1312001-32-3C16H21N5O2S
- N,N-Dimethyl-5-(4-(phenylsulfonyl)piperazin-1-yl)pyridazin-3-amine1788772-67-7C16H21N5O2S
- 1-[(4-Methoxyphenyl)methyl]-3-[1-(1,2,5-thiadiazol-3-yl)piperidin-4-yl]urea2320209-73-0C16H21N5O2S
- N-Methyl-N-(1-{pyrido[3,4-d]pyrimidin-4-yl}piperidin-3-yl)cyclopropanesulfonamide2549047-00-7C16H21N5O2S
- N-Methyl-N-[(1-{2-methylpyrido[3,4-d]pyrimidin-4-yl}azetidin-3-yl)methyl]cyclopropanesulfonamide2549048-96-4C16H21N5O2S
- 2-(Methylsulfanyl)-4-[2-(piperidine-1-carbonyl)morpholin-4-yl]pyrimidine-5-carbonitrile2549031-73-2C16H21N5O2S
- N-{[1-(Cyclopropanesulfonyl)piperidin-4-yl]methyl}pyrido[2,3-d]pyrimidin-4-amine2380060-87-5C16H21N5O2S
- 6-tert-Butyl-2-[1-(1,2,3-thiadiazole-4-carbonyl)piperidin-4-yl]-2,3-dihydropyridazin-3-one2379971-88-5C16H21N5O2S
- N-{[1-(Cyclopropanesulfonyl)piperidin-4-yl]methyl}pyrido[3,4-d]pyrimidin-4-amine2380064-18-4C16H21N5O2S
- 1-(2-Ethoxyphenyl)-3-[1-(1,2,5-thiadiazol-3-yl)piperidin-4-yl]urea2320537-66-2C16H21N5O2S
- Dimethyl({methyl[1-(6-phenylpyridazin-3-yl)azetidin-3-yl]sulfamoyl})amine2380080-68-0C16H21N5O2S
- 3-Methoxy-N-methyl-N-{[1-(1,3-thiazole-4-carbonyl)piperidin-4-yl]methyl}pyrazin-2-amine2380144-22-7C16H21N5O2S
- 1-(Cyclopropanesulfonyl)-4-{2-cyclopropylpyrazolo[1,5-a]pyrazin-4-yl}piperazine2415524-03-5C16H21N5O2S
- 4-{2-Methylpyrazolo[1,5-a]pyrazin-4-yl}-2-(thiomorpholine-4-carbonyl)morpholine2415502-18-8C16H21N5O2S
- 2-(Methylsulfanyl)-4-[4-(morpholine-4-carbonyl)piperidin-1-yl]pyrimidine-5-carbonitrile2877640-58-7C16H21N5O2S
- 4-[(E)-{4-[(2-Aminoethyl)(ethyl)amino]phenyl}diazenyl]benzene-1-sulfonamide61212-65-5C16H21N5O2S
- N-[(Furan-2-yl)methyl]-2-{[4-(4-methylpiperazin-1-yl)pyrimidin-2-yl]sulfanyl}acetamide2308095-77-2C16H21N5O2S
- 5-[3-({5H,6H,7H-Cyclopenta[c]pyridazin-3-yloxy}methyl)pyrrolidin-1-yl]-3-(methoxymethyl)-1,2,4-thiadiazole2742036-22-0C16H21N5O2S
- 2-(Methylsulfanyl)-4-[3-(morpholine-4-carbonyl)piperidin-1-yl]pyrimidine-5-carbonitrile2742051-59-6C16H21N5O2S
- 1-(Cyclopropanesulfonyl)-4-{6-cyclopropyl-[1,2,4]triazolo[4,3-b]pyridazin-3-yl}piperidine2415534-34-6C16H21N5O2S
- 6-[5-(4,5-Dimethyl-1,3-thiazol-2-yl)-octahydropyrrolo[3,4-c]pyrrol-2-yl]-3-methyl-1,2,3,4-tetrahydropyrimidine-2,4-dione2415538-70-2C16H21N5O2S
- 4-{3-Methyl-3H-imidazo[4,5-b]pyridin-2-yl}-2-(thiomorpholine-4-carbonyl)morpholine2415584-39-1C16H21N5O2S
- 4-{5-Methylpyrazolo[1,5-a]pyrimidin-7-yl}-2-(thiomorpholine-4-carbonyl)morpholine2741935-16-8C16H21N5O2S
- N-(1-{2-Methylpyrido[3,4-d]pyrimidin-4-yl}piperidin-4-yl)cyclopropanesulfonamide2741942-26-5C16H21N5O2S
- N-Methyl-N-(1-{pyrido[3,4-d]pyrimidin-4-yl}piperidin-4-yl)cyclopropanesulfonamide2742026-61-3C16H21N5O2S
- 4-{7-Methyl-7H-pyrrolo[2,3-d]pyrimidin-4-yl}-2-(thiomorpholine-4-carbonyl)morpholine2770581-67-2C16H21N5O2S
- 3-Cyclopropyl-1-[1-(3-cyclopropyl-1,2,4-thiadiazol-5-yl)piperidin-4-yl]imidazolidine-2,4-dione2770628-32-3C16H21N5O2S
- 1-[5-Cyano-2-(methylsulfanyl)pyrimidin-4-yl]-N-(oxan-4-yl)pyrrolidine-3-carboxamide3030805-58-1C16H21N5O2S
- 4-[4-(4,6-Dimethylpyrimidin-2-yl)piperazin-1-yl]benzene-1-sulfonamide3054590-12-1C16H21N5O2S
- 4-[4-(5,6-Dimethylpyrimidin-4-yl)piperazin-1-yl]benzene-1-sulfonamide3054621-01-8C16H21N5O2S
- 4-[4-(5-Ethylpyrimidin-2-yl)piperazin-1-yl]benzene-1-sulfonamide3054561-20-2C16H21N5O2S
Frequently asked questions
What is the molar mass of C16H21N5O2S?
The molar mass of C16H21N5O2S is 347.44 g/mol, calculated from standard atomic weights for 16 carbon atoms, 21 hydrogen atoms, 5 nitrogen atoms, 2 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 347.1416 Da.
How many compounds have the formula C16H21N5O2S?
CompoundList lists 96 compounds with the molecular formula C16H21N5O2S, including N-Cyclohexyl-2-[1-(2-methoxyphenyl)tetrazol-5-yl]sulfanylacetamide, 1-Morpholin-4-yl-2-[(4-propyl-5-pyridin-4-yl-1,2,4-triazol-3-yl)sulfanyl]ethanone, N-Cyclohexyl-2-[1-(3-methoxy-phenyl)-1H-tetrazol-5-ylsulfanyl]-acetamide. Compounds that share a formula are isomers. They contain the same atoms arranged differently, so their properties, uses and prices can be very different.
What is the degree of unsaturation of C16H21N5O2S?
C16H21N5O2S has a degree of unsaturation of 9. That is the total number of rings and pi bonds (a double bond counts as one, a triple bond as two) in any structure with this formula.