Molecular formula
C16H18N4O3S
187 compounds have this formula on CompoundList.
- Molar mass
- 346.41g/mol
- Monoisotopic mass
- 346.1100Da
- Atoms
- 42
- Elements
- 5
- Rings plus double bonds
- 10
The formula C16H18N4O3S describes a molecule made of 16 carbon atoms, 18 hydrogen atoms, 4 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 × 1655.48%12.011 × 16 = 192.176 g/mol
- H Hydrogen × 185.24%1.008 × 18 = 18.144 g/mol
- N Nitrogen × 416.17%14.007 × 4 = 56.028 g/mol
- O Oxygen × 313.86%15.999 × 3 = 47.997 g/mol
- S Sulfur × 19.26%32.06 × 1 = 32.060 g/mol
Look up another formula
Compounds with the formula C16H18N4O3S
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 101 to 187 of 187 compounds
![6-Oxo-N-{4-[2-oxo-2-(piperidin-1-yl)ethyl]-1,3-thiazol-2-yl}-1,6-dihydropyridine-3-carboxamide chemical structure, C16H18N4O3S, CAS 946336-58-9](/s/PNAGHOGHUOVBSF-UHFFFAOYSA-N.svg)
6-Oxo-N-{4-[2-oxo-2-(piperidin-1-yl)ethyl]-1,3-thiazol-2-yl}-1,6-dihydropyridine-3-carboxamide
CAS 946336-58-9C16H18N4O3S
![(Z)-3-Methoxy-N-(3-(2-methoxyethyl)benzo[d]thiazol-2(3H)-ylidene)-1-methyl-1H-pyrazole-4-carboxamide chemical structure, C16H18N4O3S, CAS 1173467-85-0](/s/WBERYYGCHUIUHX-UHFFFAOYSA-N.svg)
(Z)-3-Methoxy-N-(3-(2-methoxyethyl)benzo[d]thiazol-2(3H)-ylidene)-1-methyl-1H-pyrazole-4-carboxamide
CAS 1173467-85-0C16H18N4O3S
Ethyl 4-cyano-5-(1-isopropyl-1H-pyrazole-5-carboxamido)-3-methylthiophene-2-carboxylate
CAS 1203420-05-6C16H18N4O3S
![2,5-Dimethyl-N-{2-[4-methyl-5-oxo-3-(thiophen-2-yl)-4,5-dihydro-1H-1,2,4-triazol-1-yl]ethyl}furan-3-carboxamide chemical structure, C16H18N4O3S, CAS 1203104-67-9](/s/DRWAHODTMDHQFN-UHFFFAOYSA-N.svg)
2,5-Dimethyl-N-{2-[4-methyl-5-oxo-3-(thiophen-2-yl)-4,5-dihydro-1H-1,2,4-triazol-1-yl]ethyl}furan-3-carboxamide
CAS 1203104-67-9C16H18N4O3S
![4-Methyl-N-(3,3,5-trimethyl-4-oxo-2,3,4,5-tetrahydrobenzo[b][1,4]oxazepin-8-yl)-1,2,3-thiadiazole-5-carboxamide chemical structure, C16H18N4O3S, CAS 1207053-30-2](/s/XZSULBMEGKBYRP-UHFFFAOYSA-N.svg)
4-Methyl-N-(3,3,5-trimethyl-4-oxo-2,3,4,5-tetrahydrobenzo[b][1,4]oxazepin-8-yl)-1,2,3-thiadiazole-5-carboxamide
CAS 1207053-30-2C16H18N4O3S
![4-Methyl-N-{4-[2-(morpholin-4-yl)-2-oxoethyl]phenyl}-1,2,3-thiadiazole-5-carboxamide chemical structure, C16H18N4O3S, CAS 1206995-12-1](/s/FSZLMMPZCLSAIR-UHFFFAOYSA-N.svg)
4-Methyl-N-{4-[2-(morpholin-4-yl)-2-oxoethyl]phenyl}-1,2,3-thiadiazole-5-carboxamide
CAS 1206995-12-1C16H18N4O3S
2-(7-Methyl-4-oxo-3-(thiomorpholine-4-carbonyl)-1,8-naphthyridin-1(4H)-yl)acetamide
CAS 1251564-40-5C16H18N4O3S
![1-{[6-Oxo-3-(thiophen-2-yl)pyridazin-1(6H)-yl]acetyl}piperidine-4-carboxamide chemical structure, C16H18N4O3S, CAS 1232801-09-0](/s/FKRJQPVPWVEDJS-UHFFFAOYSA-N.svg)
1-{[6-Oxo-3-(thiophen-2-yl)pyridazin-1(6H)-yl]acetyl}piperidine-4-carboxamide
CAS 1232801-09-0C16H18N4O3S
![N-[(2Z)-5-(2-Methylpropyl)-1,3,4-thiadiazol-2(3H)-ylidene]-2-(2-oxo-2,3-dihydro-4H-1,4-benzoxazin-4-yl)acetamide chemical structure, C16H18N4O3S, CAS 1282129-74-1](/s/NHXSGTOKPIQBER-UHFFFAOYSA-N.svg)
N-[(2Z)-5-(2-Methylpropyl)-1,3,4-thiadiazol-2(3H)-ylidene]-2-(2-oxo-2,3-dihydro-4H-1,4-benzoxazin-4-yl)acetamide
CAS 1282129-74-1C16H18N4O3S
![(2-(Pyridin-3-ylamino)thiazol-4-yl)(1,4-dioxa-8-azaspiro[4.5]decan-8-yl)methanone chemical structure, C16H18N4O3S, CAS 1286727-07-8](/s/WAIFYQMJJUVZGT-UHFFFAOYSA-N.svg)
(2-(Pyridin-3-ylamino)thiazol-4-yl)(1,4-dioxa-8-azaspiro[4.5]decan-8-yl)methanone
CAS 1286727-07-8C16H18N4O3S
2-(Cyclopropylmethoxy)-N-(4-(2-(methylamino)-2-oxoethyl)thiazol-2-yl)isonicotinamide
CAS 2034431-71-3C16H18N4O3S
![2-({4-[(Benzylcarbamoyl)methyl]-6-oxo-1,6-dihydropyrimidin-2-yl}sulfanyl)-N-methylacetamide chemical structure, C16H18N4O3S, CAS 1172956-95-4](/s/LSLFWYSPABBYSI-UHFFFAOYSA-N.svg)
2-({4-[(Benzylcarbamoyl)methyl]-6-oxo-1,6-dihydropyrimidin-2-yl}sulfanyl)-N-methylacetamide
CAS 1172956-95-4C16H18N4O3S
![3-(5,10,10-Trimethyl-10,11-dihydro-8H-pyrano[4',3':4,5]thieno[3,2-e][1,2,4]triazolo[1,5-c]pyrimidin-2-yl)propanoic acid chemical structure, C16H18N4O3S, CAS 838850-56-9](/s/VCHHRIHLDJGARF-UHFFFAOYSA-N.svg)
3-(5,10,10-Trimethyl-10,11-dihydro-8H-pyrano[4',3':4,5]thieno[3,2-e][1,2,4]triazolo[1,5-c]pyrimidin-2-yl)propanoic acid
CAS 838850-56-9C16H18N4O3S
![[4-[3-(Methylamino)-4-nitrophenyl]piperazin-1-yl]-thiophen-2-ylmethanone chemical structure, C16H18N4O3S, CAS 591736-86-6](/s/BUOTUTAZLCDMDP-UHFFFAOYSA-N.svg)
[4-[3-(Methylamino)-4-nitrophenyl]piperazin-1-yl]-thiophen-2-ylmethanone
CAS 591736-86-6C16H18N4O3S
N-Cyclopentyl-2-((1-(4-nitrophenyl)-1H-imidazol-2-yl)thio)acetamide
CAS 851079-82-8C16H18N4O3S
![N-(1-Cyanocyclohexyl)-2-[[5-(2-methylfuran-3-yl)-1,3,4-oxadiazol-2-yl]sulfanyl]acetamide chemical structure, C16H18N4O3S, CAS 923838-14-6](/s/ZAIKIMWFUGINBL-UHFFFAOYSA-N.svg)
N-(1-Cyanocyclohexyl)-2-[[5-(2-methylfuran-3-yl)-1,3,4-oxadiazol-2-yl]sulfanyl]acetamide
CAS 923838-14-6C16H18N4O3S
1-Benzyl-8-((2-hydroxyethyl)thio)-3,7-dimethyl-1H-purine-2,6(3H,7H)-dione
CAS 923121-23-7C16H18N4O3S
![3-[1-(3-Methoxyphenyl)-5-oxopyrrolidin-3-yl]-1-(4-methyl-1,3-thiazol-2-yl)urea chemical structure, C16H18N4O3S, CAS 891098-59-2](/s/ZEIHOPQYLMWYEB-UHFFFAOYSA-N.svg)
3-[1-(3-Methoxyphenyl)-5-oxopyrrolidin-3-yl]-1-(4-methyl-1,3-thiazol-2-yl)urea
CAS 891098-59-2C16H18N4O3S
2-(3-Phenylureido)-N-((tetrahydrofuran-2-yl)methyl)thiazole-4-carboxamide
CAS 941926-87-0C16H18N4O3S
![N-(4,7-Dimethoxy-3-methylbenzo[d]thiazol-2(3H)-ylidene)-1,5-dimethyl-1H-pyrazole-3-carboxamide chemical structure, C16H18N4O3S, CAS 1020053-21-7](/s/YEBOZCBXRHHSEA-UHFFFAOYSA-N.svg)
N-(4,7-Dimethoxy-3-methylbenzo[d]thiazol-2(3H)-ylidene)-1,5-dimethyl-1H-pyrazole-3-carboxamide
CAS 1020053-21-7C16H18N4O3S
![N-(4,7-Dimethoxy-3-methylbenzo[d]thiazol-2(3H)-ylidene)-1,3-dimethyl-1H-pyrazole-5-carboxamide chemical structure, C16H18N4O3S, CAS 1019095-74-9](/s/ULVJTUNHQFYLDP-UHFFFAOYSA-N.svg)
N-(4,7-Dimethoxy-3-methylbenzo[d]thiazol-2(3H)-ylidene)-1,3-dimethyl-1H-pyrazole-5-carboxamide
CAS 1019095-74-9C16H18N4O3S
![N-(5,6-Dimethoxy-3-methylbenzo[d]thiazol-2(3H)-ylidene)-1,3-dimethyl-1H-pyrazole-5-carboxamide chemical structure, C16H18N4O3S, CAS 1019095-86-3](/s/CYDVFFKNPZQFHZ-UHFFFAOYSA-N.svg)
N-(5,6-Dimethoxy-3-methylbenzo[d]thiazol-2(3H)-ylidene)-1,3-dimethyl-1H-pyrazole-5-carboxamide
CAS 1019095-86-3C16H18N4O3S
3-Methyl-N-(6-methyl-2-benzothiazolyl)-2,5-dioxo-1-imidazolidinebutanamide
CAS 1061696-69-2C16H18N4O3S
N-Allyl-2-(2-(3-(2-methoxyphenyl)ureido)thiazol-4-yl)acetamide
CAS 923165-30-4C16H18N4O3S
- 2-(5-(Hydroxymethyl)-2-((2-(indolin-1-yl)-2-oxoethyl)thio)-1H-imidazol-1-yl)acetamide921845-81-0C16H18N4O3S
- N-(2,5-Dimethylphenyl)-5-(1,5-dimethyl-1H-pyrazol-4-yl)-1,2-oxazole-4-sulfonamide1005669-03-3C16H18N4O3S
- N-Cyclopropyl-2-(2-(3-(2-methoxyphenyl)ureido)thiazol-4-yl)acetamide921487-51-6C16H18N4O3S
- 2-((1-Cyclopentyl-1H-imidazol-2-yl)thio)-N-(3-nitrophenyl)acetamide932991-37-2C16H18N4O3S
- 2-((1-Cyclopentyl-1H-imidazol-2-yl)thio)-N-(4-nitrophenyl)acetamide933013-85-5C16H18N4O3S
- N-(2-(2-((Furan-2-ylmethyl)amino)-2-oxoethyl)-4,6-dihydro-2H-thieno[3,4-c]pyrazol-3-yl)cyclopropanecarboxamide1105250-74-5C16H18N4O3S
- 3-[2-Oxo-2-(2-oxoimidazolidin-1-yl)ethyl]-3,5,6,7,8,9-hexahydro-4H-cyclohepta[4,5]thieno[2,3-d]pyrimidin-4-one1190282-86-0C16H18N4O3S
- 4-Methoxy-N-[3-([1,2,4]triazolo[4,3-a]pyridin-3-yl)propyl]benzenesulfonamide1190285-64-3C16H18N4O3S
- 1-(2-Methoxynicotinoyl)-N-(thiazol-2-yl)piperidine-4-carboxamide1219914-62-1C16H18N4O3S
- 1-(5-Cyclopropylisoxazole-3-carbonyl)-N-(thiazol-2-yl)piperidine-4-carboxamide1207030-45-2C16H18N4O3S
- 2-(3-(4-Methoxyphenyl)-2-oxoimidazolidin-1-yl)-N-(4-methylthiazol-2-yl)acetamide1257553-40-4C16H18N4O3S
- 7-{3-[3-(Thiophen-2-yl)-1,2,4-oxadiazol-5-yl]propanoyl}-1,7-diazaspiro[3.5]nonan-2-one1252403-83-0C16H18N4O3S
- N-(1-(Cyclopropanecarbonyl)indolin-6-yl)-1-methyl-1H-pyrazole-4-sulfonamide1448075-98-6C16H18N4O3S
- (4-(Benzo[d][1,3]dioxol-5-ylmethyl)piperazin-1-yl)(3-methyl-1,2,4-thiadiazol-5-yl)methanone1448037-15-7C16H18N4O3S
- 1-(4-Methoxybenzyl)-3-(4-oxo-5,6,7,8-tetrahydro-4H-thiazolo[5,4-c]azepin-2-yl)urea1797366-71-2C16H18N4O3S
- Methyl 2-((1-(2-phenyl-2H-1,2,3-triazole-4-carbonyl)pyrrolidin-3-yl)thio)acetate2034517-92-3C16H18N4O3S
- 4-(6-(Phenylsulfonyl)-6,7-dihydro-5H-pyrrolo[3,4-d]pyrimidin-2-yl)morpholine2034613-99-3C16H18N4O3S
- N-(2-(7,8-Dihydropyrido[4,3-d]pyrimidin-6(5H)-yl)-2-oxoethyl)-3-methylbenzenesulfonamide1705923-76-7C16H18N4O3S
- 1-(Benzo[d][1,3]dioxol-5-yl)-3-(1-(thiazol-2-yl)piperidin-4-yl)urea1706147-60-5C16H18N4O3S
- 4-Cyano-N-(1-((tetrahydro-2H-pyran-4-yl)methyl)-1H-pyrazol-4-yl)benzenesulfonamide1705927-64-5C16H18N4O3S
- N-(4-(Methylsulfonyl)phenyl)-6-(pyrrolidin-1-yl)pyrimidine-4-carboxamide2034283-91-3C16H18N4O3S
- N-((2-(Furan-2-yl)pyridin-4-yl)methyl)-1-isopropyl-1H-imidazole-4-sulfonamide2034248-11-6C16H18N4O3S
- N-((3-(1-Methyl-1H-pyrrol-2-yl)-1,2,4-oxadiazol-5-yl)methyl)-1-(m-tolyl)methanesulfonamide2034409-24-8C16H18N4O3S
- 2-(3,5-Dimethylisoxazol-4-yl)-N-(2-(2-methyl-4-oxothieno[2,3-d]pyrimidin-3(4H)-yl)ethyl)acetamide1903780-98-2C16H18N4O3S
- 1-(1,3-Dimethyl-2,2-dioxido-1,3-dihydrobenzo[c][1,2,5]thiadiazol-5-yl)-3-(m-tolyl)urea2034587-97-6C16H18N4O3S
- 1-(1,3-Dimethyl-2,2-dioxido-1,3-dihydrobenzo[c][1,2,5]thiadiazol-5-yl)-3-(o-tolyl)urea2034484-75-6C16H18N4O3S
- 1-Benzyl-3-(1,3-dimethyl-2,2-dioxido-1,3-dihydrobenzo[c][1,2,5]thiadiazol-5-yl)urea2034588-00-4C16H18N4O3S
- 2-(Pyridin-3-yl)-N-(1,3,6-trimethyl-2,2-dioxido-1,3-dihydrobenzo[c][1,2,5]thiadiazol-5-yl)acetamide2034405-51-9C16H18N4O3S
- 1-Ethyl-N-{[6-(furan-3-yl)pyridin-3-yl]methyl}-2-methyl-1H-imidazole-4-sulfonamide2034521-76-9C16H18N4O3S
- 3-(Phenylsulfonyl)-1-(3-(pyrimidin-2-ylamino)azetidin-1-yl)propan-1-one2309803-49-2C16H18N4O3S
- 1-(3-((3-(4-Cyclopropyl-1H-1,2,3-triazol-1-yl)azetidin-1-yl)sulfonyl)phenyl)ethanone2034293-54-2C16H18N4O3S
- 4-Cyclopropyl-1-(1-((2,3-dihydrobenzofuran-5-yl)sulfonyl)azetidin-3-yl)-1H-1,2,3-triazole2097903-73-4C16H18N4O3S
- 2-Oxo-N-(4,5,6,7-tetrahydropyrazolo[1,5-a]pyridin-5-yl)-1,2,3,4-tetrahydroquinoline-6-sulfonamide2034540-93-5C16H18N4O3S
- N-{2-[4-(Furan-2-yl)-3,5-dimethyl-1H-pyrazol-1-yl]ethyl}pyridine-3-sulfonamide2034417-99-5C16H18N4O3S
- N-(1-(1,2,5-Thiadiazol-3-yl)piperidin-4-yl)-2-(benzo[d][1,3]dioxol-5-yl)acetamide2034379-54-7C16H18N4O3S
- N-[2-(3,5-Dimethyl-1H-pyrazol-1-yl)-2-(furan-2-yl)ethyl]pyridine-3-sulfonamide2194909-22-1C16H18N4O3S
- N-(5-Acetyl-4-methylthiazol-2-yl)-2-(3-cyclopropyl-6-oxopyridazin-1(6H)-yl)propanamide2097927-02-9C16H18N4O3S
- 4-[6-(Propan-2-yloxy)pyridine-3-carbonyl]-1-(1,3-thiazol-2-yl)piperazin-2-one2320144-01-0C16H18N4O3S
- N-(2-Ethoxyphenyl)-3-oxo-4-(1,3-thiazol-2-yl)piperazine-1-carboxamide2310153-64-9C16H18N4O3S
- 5-(Butylthio)-7-(furan-2-yl)-1,3-dimethylpyrimido[4,5-d]pyrimidine-2,4(1H,3H)-dione906238-92-4C16H18N4O3S
- N-{4-[(4,6-Dimethylpyrimidin-2-yl)sulfamoyl]phenyl}-2-methylprop-2-enamide59941-98-9C16H18N4O3S
- 3-[4,6-Dimethyl-2-(methylsulfanyl)pyrimidin-5-yl]-N-(2-nitrophenyl)propanamide1007820-03-2C16H18N4O3S
- Urea, N-[2-(methylsulfonyl)ethyl]-N'-[4-(2-phenyldiazenyl)phenyl]-1390760-84-5C16H18N4O3S
- N-{2-[3-(1H-indol-1-yl)-6-oxo-1,6-dihydropyridazin-1-yl]ethyl}ethane-1-sulfonamide2097936-50-8C16H18N4O3S
- Methyl 4-{[1-(1,2,5-thiadiazol-3-yl)piperidin-4-yl]carbamoyl}benzoate2034518-30-2C16H18N4O3S
- N-[1-(1,2,5-Thiadiazol-3-yl)piperidin-4-yl]-2,3-dihydro-1,4-benzodioxine-2-carboxamide2097921-91-8C16H18N4O3S
- N-Cyclopropyl-1-methyl-5-[[(E)-2-phenylethenyl]sulfonylamino]pyrazole-4-carboxamide2225106-15-8C16H18N4O3S
- [4-(2-Methylpyrazol-3-yl)-3,6-dihydro-2H-pyridin-1-yl]-(6-methylsulfonylpyridin-3-yl)methanone2249368-53-2C16H18N4O3S
- 2-(2,5-Dioxopyrrolidin-1-yl)-N-{2-[5-(1-methyl-1H-pyrazol-4-yl)thiophen-2-yl]ethyl}acetamide2640955-54-8C16H18N4O3S
- Acetamide, 2-[methyl(methylsulfonyl)amino]-N-[4-(2-phenyldiazenyl)phenyl]-1390878-97-3C16H18N4O3S
- 2-[[4-[(4,5-Dimethyl-1H-pyrazol-3-yl)amino]-6-quinolinyl]sulfonyl]ethanol1357795-49-3C16H18N4O3S
- 6-[(Naphthalene-2-sulfonyl)amino]hexanoyl azide61714-39-4C16H18N4O3S
- Ethyl 5-(3-benzoylthioureido)-1-ethyl-1H-pyrazole-4-carboxylate1361961-20-7C16H18N4O3S
- 4-(Benzyloxy)-8-isopropyl-2-(methylsulfonyl)pyrazolo[1,5-a][1,3,5]triazine1453476-79-3C16H18N4O3S
- N-(4-(5-Isopropoxy-1H-indazol-3-yl)pyridin-2-yl)methanesulfonamide1627194-20-0C16H18N4O3S
- 1-{1-[(3,5-Dimethyl-1,2-oxazol-4-yl)sulfonyl]azetidin-3-yl}-2-methyl-1H-1,3-benzodiazole2380187-54-0C16H18N4O3S
- N-{[5-(3,5-Dimethyl-1,2-oxazol-4-yl)furan-2-yl]methyl}-4-propyl-1,2,3-thiadiazole-5-carboxamide2415472-21-6C16H18N4O3S
- N-[4-[[(Z)-1-(4-Aminophenyl)ethylideneamino]sulfamoyl]phenyl]acetamide5448-94-2C16H18N4O3S
- 8-Ethyl-4,13,13-trimethyl-14-oxa-17-thia-2,5,6,8-tetrazatetracyclo[8.7.0.02,7.011,16]heptadeca-1(10),4,6,11(16)-tetraene-3,9-dione402561-71-1C16H18N4O3S
- 6-Cyclopropyl-N-[2-(4-sulfamoylphenyl)ethyl]pyrimidine-4-carboxamide2380071-63-4C16H18N4O3S
- N-[(4-Sulfamoylphenyl)methyl]-5,6,7,8-tetrahydroquinazoline-4-carboxamide2415568-56-6C16H18N4O3S
- 2-Cyclopropyl-6-methyl-N-[(4-sulfamoylphenyl)methyl]pyrimidine-4-carboxamide2415513-32-3C16H18N4O3S
- N-(Allylcarbamoyl)-4-(m-tolylamino)pyridine-3-sulfonamide77281-86-8C16H18N4O3S
Frequently asked questions
What is the molar mass of C16H18N4O3S?
The molar mass of C16H18N4O3S is 346.41 g/mol, calculated from standard atomic weights for 16 carbon atoms, 18 hydrogen atoms, 4 nitrogen atoms, 3 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 346.1100 Da.
How many compounds have the formula C16H18N4O3S?
CompoundList lists 187 compounds with the molecular formula C16H18N4O3S, including 6-Oxo-N-{4-[2-oxo-2-(piperidin-1-yl)ethyl]-1,3-thiazol-2-yl}-1,6-dihydropyridine-3-carboxamide, (Z)-3-Methoxy-N-(3-(2-methoxyethyl)benzo[d]thiazol-2(3H)-ylidene)-1-methyl-1H-pyrazole-4-carboxamide, Ethyl 4-cyano-5-(1-isopropyl-1H-pyrazole-5-carboxamido)-3-methylthiophene-2-carboxylate. 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 C16H18N4O3S?
C16H18N4O3S has a degree of unsaturation of 10. 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.