Molecular formula
C16H21N3O3S
190 compounds have this formula on CompoundList.
- Molar mass
- 335.42g/mol
- Monoisotopic mass
- 335.1304Da
- Atoms
- 44
- Elements
- 5
- Rings plus double bonds
- 8
The formula C16H21N3O3S describes a molecule made of 16 carbon atoms, 21 hydrogen atoms, 3 nitrogen atoms, 3 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 × 1657.29%12.011 × 16 = 192.176 g/mol
- H Hydrogen × 216.31%1.008 × 21 = 21.168 g/mol
- N Nitrogen × 312.53%14.007 × 3 = 42.021 g/mol
- O Oxygen × 314.31%15.999 × 3 = 47.997 g/mol
- S Sulfur × 19.56%32.06 × 1 = 32.060 g/mol
Look up another formula
Compounds with the formula C16H21N3O3S
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 100 of 190 compounds
L-Methionyl-L-tryptophan
CAS 60535-02-6C16H21N3O3S
Ramixotidine
CAS 84071-15-8C16H21N3O3S
![1-(2-Hydroxyethyl)-2,7,7-trimethyl-2,3,6,7-tetrahydro-1H-imidazo[1,2-a]pyrano[4',3':4,5]thieno[2,3-d]pyrimidin-5(9H)-one chemical structure, C16H21N3O3S, CAS 370075-15-3](/s/XRZIVJGHPNKFGE-UHFFFAOYSA-N.svg)
1-(2-Hydroxyethyl)-2,7,7-trimethyl-2,3,6,7-tetrahydro-1H-imidazo[1,2-a]pyrano[4',3':4,5]thieno[2,3-d]pyrimidin-5(9H)-one
CAS 370075-15-3C16H21N3O3S
![2-(Ethylsulfonyl)-1-[2-oxo-2-(1-piperidinyl)ethyl]-1H-benzimidazole chemical structure, C16H21N3O3S, CAS 696650-38-1](/s/QPDOIAKABYIGBE-UHFFFAOYSA-N.svg)
2-(Ethylsulfonyl)-1-[2-oxo-2-(1-piperidinyl)ethyl]-1H-benzimidazole
CAS 696650-38-1C16H21N3O3S
![3-Amino-N-(3-hydroxypropyl)-7,7-dimethyl-7,8-dihydro-5H-pyrano[4,3-b]thieno[3,2-e]pyridine-2-carboxamide chemical structure, C16H21N3O3S, CAS 380585-08-0](/s/OQDQZXPQRMYTFU-UHFFFAOYSA-N.svg)
3-Amino-N-(3-hydroxypropyl)-7,7-dimethyl-7,8-dihydro-5H-pyrano[4,3-b]thieno[3,2-e]pyridine-2-carboxamide
CAS 380585-08-0C16H21N3O3S
![Methyl 4-[[[[3-(2-oxo-1-pyrrolidinyl)propyl]amino]thioxomethyl]amino]benzoate chemical structure, C16H21N3O3S, CAS 774554-08-4](/s/MEJSLQROOCFHPA-UHFFFAOYSA-N.svg)
Methyl 4-[[[[3-(2-oxo-1-pyrrolidinyl)propyl]amino]thioxomethyl]amino]benzoate
CAS 774554-08-4C16H21N3O3S
3-(3-Methoxypropyl)-6-morpholin-4-yl-2-sulfanylidene-1H-quinazolin-4-one
CAS 689767-35-9C16H21N3O3S
3-Ethyl-2-(ethylimino)-N-(4-methoxyphenyl)-4-oxo-1,3-thiazinane-6-carboxamide
CAS 492452-15-0C16H21N3O3S
![2-{8-Methyl-2,4-dioxo-1,3-diazaspiro[4.5]decan-3-yl}-N-[(thiophen-2-yl)methyl]acetamide chemical structure, C16H21N3O3S, CAS 731008-67-6](/s/DBAGSDNZVTWIJM-UHFFFAOYSA-N.svg)
2-{8-Methyl-2,4-dioxo-1,3-diazaspiro[4.5]decan-3-yl}-N-[(thiophen-2-yl)methyl]acetamide
CAS 731008-67-6C16H21N3O3S
![Methyl {1-[(3,5-dimethylphenyl)carbamothioyl]-3-oxopiperazin-2-yl}acetate chemical structure, C16H21N3O3S, CAS 1009166-32-8](/s/DURYEHOTEOOFNS-UHFFFAOYSA-N.svg)
Methyl {1-[(3,5-dimethylphenyl)carbamothioyl]-3-oxopiperazin-2-yl}acetate
CAS 1009166-32-8C16H21N3O3S
![Methyl 2-(1-{[(2-ethylphenyl)amino]thioxomethyl}-3-oxopiperazin-2-yl)acetate chemical structure, C16H21N3O3S, CAS 1008865-35-7](/s/VNIFGWKSPUGNSS-UHFFFAOYSA-N.svg)
Methyl 2-(1-{[(2-ethylphenyl)amino]thioxomethyl}-3-oxopiperazin-2-yl)acetate
CAS 1008865-35-7C16H21N3O3S
![Methyl {1-[(4-ethylphenyl)carbamothioyl]-3-oxopiperazin-2-yl}acetate chemical structure, C16H21N3O3S, CAS 1008955-21-2](/s/XBTJULWXKVADQN-UHFFFAOYSA-N.svg)
Methyl {1-[(4-ethylphenyl)carbamothioyl]-3-oxopiperazin-2-yl}acetate
CAS 1008955-21-2C16H21N3O3S
![7-Hydroxy-5-oxo-N-(3,3,5-trimethylcyclohexyl)-5H-thiazolo[3,2-a]pyrimidine-6-carboxamide chemical structure, C16H21N3O3S, CAS 898431-56-6](/s/FOYSAQSDTSOPIV-UHFFFAOYSA-N.svg)
7-Hydroxy-5-oxo-N-(3,3,5-trimethylcyclohexyl)-5H-thiazolo[3,2-a]pyrimidine-6-carboxamide
CAS 898431-56-6C16H21N3O3S
Benzimidazole-1-carboxylic acid, 2-dimethylaminocarbonylmethylthio-, isobutyl ester
CAS 313548-85-5C16H21N3O3S
![Ethyl 4-{[(4-carbamoylpiperidin-1-yl)carbonothioyl]amino}benzoate chemical structure, C16H21N3O3S, CAS 433326-64-8](/s/BXBVDCGJVFJEGV-UHFFFAOYSA-N.svg)
Ethyl 4-{[(4-carbamoylpiperidin-1-yl)carbonothioyl]amino}benzoate
CAS 433326-64-8C16H21N3O3S
![N-[[3-(4-Methoxyphenyl)-4,5-dihydro-1,2-oxazol-5-yl]methyl]morpholine-4-carbothioamide chemical structure, C16H21N3O3S, CAS 896595-52-1](/s/OHWVUYLCZAGHLW-UHFFFAOYSA-N.svg)
N-[[3-(4-Methoxyphenyl)-4,5-dihydro-1,2-oxazol-5-yl]methyl]morpholine-4-carbothioamide
CAS 896595-52-1C16H21N3O3S
![N-[(1,5-Dimethylpyrrol-2-yl)methyl]-4-(dimethylsulfamoyl)benzamide chemical structure, C16H21N3O3S, CAS 794542-08-8](/s/NZSRIUURHJAYCJ-UHFFFAOYSA-N.svg)
N-[(1,5-Dimethylpyrrol-2-yl)methyl]-4-(dimethylsulfamoyl)benzamide
CAS 794542-08-8C16H21N3O3S
![Butyl 2-{[2-(dimethylamino)-2-oxoethyl]sulfanyl}-1H-benzimidazole-1-carboxylate chemical structure, C16H21N3O3S, CAS 339156-11-5](/s/HHIFQSGPXFGFDA-UHFFFAOYSA-N.svg)
Butyl 2-{[2-(dimethylamino)-2-oxoethyl]sulfanyl}-1H-benzimidazole-1-carboxylate
CAS 339156-11-5C16H21N3O3S
5-Amino-4-anilino-2-(diethylamino)benzenesulfonic acid
CAS 439094-49-2C16H21N3O3S
![2-(2,4-Dioxo-1,3-diazaspiro[4.5]dec-3-yl)-N-[2-(2-thienyl)ethyl]acetamide chemical structure, C16H21N3O3S, CAS 923241-45-6](/s/GCJOPVOOXGOTTM-UHFFFAOYSA-N.svg)
2-(2,4-Dioxo-1,3-diazaspiro[4.5]dec-3-yl)-N-[2-(2-thienyl)ethyl]acetamide
CAS 923241-45-6C16H21N3O3S
![2-{6-Methyl-2,4-dioxo-1,3-diazaspiro[4.5]decan-3-yl}-N-[(thiophen-2-yl)methyl]acetamide chemical structure, C16H21N3O3S, CAS 875422-92-7](/s/RGGVNGYPHUJQHN-UHFFFAOYSA-N.svg)
2-{6-Methyl-2,4-dioxo-1,3-diazaspiro[4.5]decan-3-yl}-N-[(thiophen-2-yl)methyl]acetamide
CAS 875422-92-7C16H21N3O3S
![tert-Butyl N-[2-(5-benzylsulfanyl-1,3,4-oxadiazol-2-yl)ethyl]carbamate chemical structure, C16H21N3O3S, CAS 840512-92-7](/s/ZFUHEOHQUQSNDB-UHFFFAOYSA-N.svg)
tert-Butyl N-[2-(5-benzylsulfanyl-1,3,4-oxadiazol-2-yl)ethyl]carbamate
CAS 840512-92-7C16H21N3O3S
![Ethyl 2-((2-(diethylamino)-2-oxoethyl)thio)-1H-benzo[d]imidazole-1-carboxylate chemical structure, C16H21N3O3S, CAS 313548-87-7](/s/AQEAKADXXIHONF-UHFFFAOYSA-N.svg)
Ethyl 2-((2-(diethylamino)-2-oxoethyl)thio)-1H-benzo[d]imidazole-1-carboxylate
CAS 313548-87-7C16H21N3O3S
2-(3-Nitrophenyl)-3-(2-piperidin-1-ylethyl)-1,3-thiazolidin-4-one
CAS 356773-54-1C16H21N3O3S
- 2-(4-Nitrophenyl)-3-[2-(piperidin-1-yl)ethyl]-1,3-thiazolidin-4-one356773-50-7C16H21N3O3S
- L-Methionine, L-tryptophyl-21438-63-1C16H21N3O3S
- Methyl 3-(4-methyl-1,2,3-thiadiazole-5-amido)adamantane-1-carboxylate1206986-59-5C16H21N3O3S
- 1-Ethyl-3-[(4-methylpiperidino)carbonyl]-4lambda~6~,1,2-benzothiadiazine-4,4(1H)-dione1251623-49-0C16H21N3O3S
- N-(2-(3,5-Dimethyl-1H-pyrazol-1-yl)ethyl)-3-(phenylsulfonyl)propanamide1226436-96-9C16H21N3O3S
- 2-Isopropyl-5-(1-(phenylsulfonyl)piperidin-4-yl)-1,3,4-oxadiazole1170851-80-5C16H21N3O3S
- N-{3-[3-(4-Methylphenyl)-6-oxo-1,6-dihydropyridazin-1-yl]propyl}ethane-1-sulfonamide1021253-06-4C16H21N3O3S
- N-((1-Methyl-1,4,6,7-tetrahydropyrano[4,3-c]pyrazol-3-yl)methyl)-1-(m-tolyl)methanesulfonamide1797015-91-8C16H21N3O3S
- 6-sec-Butoxy-2-(3,5-dimethyl-benzenesulfonyl)-pyrimidin-4-ylamine284681-60-3C16H21N3O3S
- 2-sec-Butoxy-6-(3,5-dimethyl-benzenesulfonyl)-pyrimidin-4-ylamine284681-87-4C16H21N3O3S
- 2,4,5-Trimethyl-N-(3-(6-oxopyridazin-1(6H)-yl)propyl)benzenesulfonamide1105233-98-4C16H21N3O3S
- 4-((1H-Imidazol-1-yl)methyl)-1-((4-methoxyphenyl)sulfonyl)piperidine1396759-57-1C16H21N3O3S
- N-(4-hydroxyphenyl)-5-((3aS,4S,6aR)-2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)pentanamide901770-40-9C16H21N3O3S
- 3-(2-Morpholino-2-oxoethyl)-6,7,8,9-tetrahydro-2H-thiazolo[2,3-b]quinazolin-5(3H)-one1021060-24-1C16H21N3O3S
- 4-[(Butan-2-yl)sulfamoyl]-N-(1-cyanocyclobutyl)benzamide1258671-06-5C16H21N3O3S
- 3,4-Dimethyl-N-(1-(tetrahydro-2H-pyran-4-yl)-1H-pyrazol-4-yl)benzenesulfonamide1797639-04-3C16H21N3O3S
- 5-Isoquinolyl(3-morpholinopropylamino)(oxo)-lambda-sulfaniumolate84468-35-9C16H21N3O3S
- Methyl {3-[2-(dimethylamino)ethyl]-5-oxo-1-phenyl-2-thioxoimidazolidin-4-yl}acetate1009332-57-3C16H21N3O3S
- N-(5-Isopropyl-1,3,4-thiadiazol-2-yl)-4-(4-methoxyphenoxy)butanamide459418-37-2C16H21N3O3S
- tert-Butyl 4-(3-thiophen-2-yl-1,2,4-oxadiazol-5-yl)piperidine-1-carboxylate263383-22-8C16H21N3O3S
- 3-Ethyl-2-(ethylimino)-N-(2-methoxyphenyl)-4-oxo-1,3-thiazinane-6-carboxamide442872-94-8C16H21N3O3S
- 2,6-Dimethoxy-N-(5-pentan-2-yl-1,3,4-thiadiazol-2-yl)benzamide825598-11-6C16H21N3O3S
- 2-(4-tert-Butylphenoxy)-N-[5-(methoxymethyl)-1,3,4-thiadiazol-2-yl]acetamide685553-44-0C16H21N3O3S
- 4-(2-Methoxyphenoxy)-N-(5-propan-2-yl-1,3,4-thiadiazol-2-yl)butanamide685847-02-3C16H21N3O3S
- Piperidine, 1-(antipyrinylsulfonyl)-4684-92-8C16H21N3O3S
- N-(sec-Butyl)-3-(2-methoxyethyl)-4-oxo-2-thioxo-1,2,3,4-tetrahydroquinazoline-7-carboxamide451465-88-6C16H21N3O3S
- (Z)-N-(6-Acetamido-3-(2-ethoxyethyl)benzo[d]thiazol-2(3H)-ylidene)propionamide865174-14-7C16H21N3O3S
- Ethyl 3-cyano-2-pivalamido-4,5-dihydrothieno[2,3-c]pyridine-6(7H)-carboxylate864927-05-9C16H21N3O3S
- 7-[2-[Butyl(methyl)amino]ethyl]-6-sulfanylidene-5H-[1,3]dioxolo[4,5-g]quinazolin-8-one689228-86-2C16H21N3O3S
- 3-[1-(3-Methoxyphenoxy)ethyl]-4-(oxolan-2-ylmethyl)-1H-1,2,4-triazole-5-thione588711-45-9C16H21N3O3S
- 3-[(Propanoylcarbamothioyl)amino]-N-(tetrahydrofuran-2-ylmethyl)benzamide940478-74-0C16H21N3O3S
- 4-[(Propanoylcarbamothioyl)amino]-N-(tetrahydrofuran-2-ylmethyl)benzamide940487-35-4C16H21N3O3S
- N-Cycloheptyl-1,3-dimethyl-2,4-dioxo-1,2,3,4-tetrahydrothieno[2,3-d]pyrimidine-6-carboxamide946206-74-2C16H21N3O3S
- N-(4-tert-Butyl-1,3-thiazol-2-yl)-3-(4-hydroxy-6-methyl-2-oxopyridin-1(2H)-yl)propanamide1574473-36-1C16H21N3O3S
- N-(Furan-2-ylmethyl)-N-((1-methyl-1,4,5,6-tetrahydrocyclopenta[c]pyrazol-3-yl)methyl)cyclopropanesulfonamide1795481-76-3C16H21N3O3S
- (4-Isopropyl-5-(3-nitrophenylthio)-1-n-propyl-1H-imidazol-2-yl)methanol178979-13-0C16H21N3O3S
- 2-(2-tert-Butylphenoxy)-N-[5-(methoxymethyl)-1,3,4-thiadiazol-2-yl]acetamide685553-28-0C16H21N3O3S
- Barbituric acid, 5-(diethylamino)-1-(p-ethoxyphenyl)-2-thio-93150-45-9C16H21N3O3S
- 7-[3-(Diethylamino)propyl]-6-sulfanylidene-5H-[1,3]dioxolo[4,5-g]quinazolin-8-one689228-37-3C16H21N3O3S
- tert-Butyl {1-[5-(methylsulfanyl)-1,3,4-oxadiazol-2-yl]-2-phenylethyl}carbamate901272-69-3C16H21N3O3S
- N-Isobutyryl-N'-[4-(4-morpholinylcarbonyl)phenyl]thiourea940217-01-6C16H21N3O3S
- 5-(3,4-Dimethoxybenzyl)-4-(tetrahydrofuran-2-ylmethyl)-4H-1,2,4-triazole-3-thiol847504-22-7C16H21N3O3S
- 4-Amino-N-{4-[ethyl(2-hydroxyethyl)amino]phenyl}benzene-1-sulfonamide1193389-97-7C16H21N3O3S
- 3-[(Furan-2-yl)methyl]-1-[2-(morpholin-4-yl)-2-(thiophen-2-yl)ethyl]urea1208886-89-8C16H21N3O3S
- 2-(1H-Indol-3-yl)-N-(1-methanesulfonylpiperidin-4-yl)acetamide1197952-77-4C16H21N3O3S
- tert-Butyl 3-oxo-2-(thiophen-2-yl)-1,4,8-triazaspiro[4.5]dec-1-ene-8-carboxylate931744-35-3C16H21N3O3S
- Ethyl (5-(cyclohex-3-enecarbonyl)-4,5,6,7-tetrahydrothiazolo[5,4-c]pyridin-2-yl)carbamate1396783-96-2C16H21N3O3S
- 1-(3,4-Dimethoxybenzyl)-3-((2,4-dimethylthiazol-5-yl)methyl)urea1421584-82-8C16H21N3O3S
- N-((5-Cyclopropyl-1-methyl-1H-pyrazol-3-yl)methyl)-2-phenoxyethanesulfonamide1448072-35-2C16H21N3O3S
- N-(1-(Tetrahydro-2H-pyran-4-yl)-1H-pyrazol-4-yl)-1-(m-tolyl)methanesulfonamide1797552-69-2C16H21N3O3S
- 2-(1H-1,3-Benzodiazol-1-yl)-1-[3-(2-methylpropanesulfonyl)azetidin-1-yl]ethan-1-one1797316-54-1C16H21N3O3S
- N-(Furan-2-ylmethyl)-4-propyl-N-(tetrahydro-2H-pyran-4-yl)-1,2,3-thiadiazole-5-carboxamide1787915-71-2C16H21N3O3S
- Ethyl 4-((2-(5-methyl-3-(thiophen-2-yl)-1H-pyrazol-1-yl)ethyl)amino)-4-oxobutanoate2034506-02-8C16H21N3O3S
- N-(2-(2-Cyclopropyl-1H-imidazol-1-yl)ethyl)-4-methoxy-3-methylbenzenesulfonamide2034452-76-9C16H21N3O3S
- Methyl (4-{[(4-carbamoylpiperidin-1-yl)carbonothioyl]amino}phenyl)acetate516457-95-7C16H21N3O3S
- 3,5-Dimethoxy-N-(5-pentan-3-yl-1,3,4-thiadiazol-2-yl)benzamide600163-46-0C16H21N3O3S
- N-[[(2-Methoxybenzoyl)amino]carbamothioyl]cyclohexanecarboxamide712318-11-1C16H21N3O3S
- N-[(Cyclohexanecarbonylamino)carbamothioyl]-2-methoxybenzamide671794-87-9C16H21N3O3S
- 1-[2-(Cyclohexen-1-yl)ethyl]-3-(2-methoxy-4-nitrophenyl)thiourea701930-77-0C16H21N3O3S
- 6-Amino-1-[2-(3,4-diethoxyphenyl)ethyl]-2-thioxo-1,3-dihydropyrimidin-4-one938006-74-7C16H21N3O3S
- 3-(3-Azepan-1-yl-3-oxopropyl)-2H-1,2,4-benzothiadiazine 1,1-dioxide950423-26-4C16H21N3O3S
- 1-(2-(Furan-2-yl)-2-morpholinoethyl)-3-(thiophen-2-ylmethyl)urea1210176-38-7C16H21N3O3S
- N-[4-(Thiomorpholin-4-ylcarbonyl)phenyl]morpholine-4-carboxamide1219545-11-5C16H21N3O3S
- N-(2-Methoxybenzyl)-2-[(2-methoxyethyl)amino]-4-methyl-1,3-thiazole-5-carboxamide1219539-60-2C16H21N3O3S
- 3-(6-Methylimidazo[2,1-b]thiazol-3-yl)-1-(1,4-dioxa-8-azaspiro[4.5]decan-8-yl)propan-1-one1251578-90-1C16H21N3O3S
- 4-(1H-Pyrrol-1-yl)-N-(4-sulfamoylphenethyl)butanamide1251610-77-1C16H21N3O3S
- N-(1-Isopropyl-3-methyl-1H-pyrazol-5-yl)-3-(phenylsulfonyl)propanamide1235056-46-8C16H21N3O3S
- 3-Cyclopentanecarbonyl-N-(4-methoxypyridin-3-yl)-1,3-thiazolidine-4-carboxamide1333608-53-9C16H21N3O3S
- tert-Butyl 2-(((4-cyanopyridin-2-yl)sulfinyl)methyl)pyrrolidine-1-carboxylate1420836-28-7C16H21N3O3S
- N-(5-(2-Methoxyethyl)-1,3,4-oxadiazol-2-yl)-4-(p-tolylthio)butanamide1396748-18-7C16H21N3O3S
- 4-((1H-Pyrazol-1-yl)methyl)-1-((3-methoxyphenyl)sulfonyl)piperidine1396887-07-2C16H21N3O3S
- 3-(4-(2-Hydroxyphenyl)piperazine-1-carbonyl)-1,4-thiazepan-5-one1396556-07-2C16H21N3O3S
- N-(2-(2-Cyclopropyl-1H-imidazol-1-yl)ethyl)-2-phenoxyethanesulfonamide1903490-84-5C16H21N3O3S
- 2-(3,4-Dimethoxyphenyl)-N-[5-(2-methylpropyl)-1,3,4-thiadiazol-2-yl]acetamide636993-87-8C16H21N3O3S
- N-[5-(2,2-Dimethylpropyl)-1,3,4-thiadiazol-2-yl]-2,4-dimethoxybenzamide510740-56-4C16H21N3O3S
- 5-(2-(Dimethylamino)ethyl)-1-(p-ethoxyphenyl)-2-thiobarbituric acid93150-46-0C16H21N3O3S
Frequently asked questions
What is the molar mass of C16H21N3O3S?
The molar mass of C16H21N3O3S is 335.42 g/mol, calculated from standard atomic weights for 16 carbon atoms, 21 hydrogen atoms, 3 nitrogen atoms, 3 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 335.1304 Da.
How many compounds have the formula C16H21N3O3S?
CompoundList lists 190 compounds with the molecular formula C16H21N3O3S, including L-Methionyl-L-tryptophan, Ramixotidine, 1-(2-Hydroxyethyl)-2,7,7-trimethyl-2,3,6,7-tetrahydro-1H-imidazo[1,2-a]pyrano[4',3':4,5]thieno[2,3-d]pyrimidin-5(9H)-one. 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 C16H21N3O3S?
C16H21N3O3S has a degree of unsaturation of 8. 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.