Molecular formula
C18H22N4O2S
210 compounds have this formula on CompoundList.
- Molar mass
- 358.46g/mol
- Monoisotopic mass
- 358.1463Da
- Atoms
- 47
- Elements
- 5
- Rings plus double bonds
- 10
The formula C18H22N4O2S describes a molecule made of 18 carbon atoms, 22 hydrogen atoms, 4 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 × 1860.31%12.011 × 18 = 216.198 g/mol
- H Hydrogen × 226.19%1.008 × 22 = 22.176 g/mol
- N Nitrogen × 415.63%14.007 × 4 = 56.028 g/mol
- O Oxygen × 28.93%15.999 × 2 = 31.998 g/mol
- S Sulfur × 18.94%32.06 × 1 = 32.060 g/mol
Look up another formula
Compounds with the formula C18H22N4O2S
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 101 to 200 of 210 compounds
N1-((1-(pyridin-2-yl)piperidin-4-yl)methyl)-N2-(thiophen-2-ylmethyl)oxalamide
CAS 1235658-11-3C18H22N4O2S
![3-(4-Methoxy-1H-indol-1-yl)-N-[(2Z)-5-(2-methylpropyl)-1,3,4-thiadiazol-2(3H)-ylidene]propanamide chemical structure, C18H22N4O2S, CAS 1282124-35-9](/s/ZPNNDCUIFCFWFM-UHFFFAOYSA-N.svg)
3-(4-Methoxy-1H-indol-1-yl)-N-[(2Z)-5-(2-methylpropyl)-1,3,4-thiadiazol-2(3H)-ylidene]propanamide
CAS 1282124-35-9C18H22N4O2S
1-(1-Methyl-6-oxo-1,6-dihydropyridazin-3-yl)-N-(2-(methylthio)phenyl)piperidine-4-carboxamide
CAS 1421441-48-6C18H22N4O2S
N-(5-Butyl-1,3,4-thiadiazol-2-yl)-3-(7-methoxy-1H-indol-1-yl)propanamide
CAS 1630826-43-5C18H22N4O2S
![N-Butyl-1-(4-nitrophenyl)-3,4-dihydropyrrolo[1,2-a]pyrazine-2(1H)-carbothioamide chemical structure, C18H22N4O2S, CAS 393825-59-7](/s/CNXVCWWFQVAEKE-UHFFFAOYSA-N.svg)
N-Butyl-1-(4-nitrophenyl)-3,4-dihydropyrrolo[1,2-a]pyrazine-2(1H)-carbothioamide
CAS 393825-59-7C18H22N4O2S
![N-(3-Methylbutyl)-N'-(2-phenyl-4,6-dihydrothieno[3,4-c]pyrazol-3-yl)oxamide chemical structure, C18H22N4O2S, CAS 899969-32-5](/s/AOKSOGCGSIYMBZ-UHFFFAOYSA-N.svg)
N-(3-Methylbutyl)-N'-(2-phenyl-4,6-dihydrothieno[3,4-c]pyrazol-3-yl)oxamide
CAS 899969-32-5C18H22N4O2S
![N-Butyl-N'-[2-(4-methylphenyl)-4,6-dihydrothieno[3,4-c]pyrazol-3-yl]oxamide chemical structure, C18H22N4O2S, CAS 941884-13-5](/s/PVLLWPGTOIUXBH-UHFFFAOYSA-N.svg)
N-Butyl-N'-[2-(4-methylphenyl)-4,6-dihydrothieno[3,4-c]pyrazol-3-yl]oxamide
CAS 941884-13-5C18H22N4O2S
![1-(1-Adamantyl)-3-[(E)-(3-nitrophenyl)methylideneamino]thiourea chemical structure, C18H22N4O2S, CAS 32403-19-3](/s/HTPRRTBUJOHTEA-YBFXNURJSA-N.svg)
1-(1-Adamantyl)-3-[(E)-(3-nitrophenyl)methylideneamino]thiourea
CAS 32403-19-3C18H22N4O2S
N-Cyclopentyl-4-methyl-2-(3-(p-tolyl)ureido)thiazole-5-carboxamide
CAS 941886-43-7C18H22N4O2S
N1-(2-(1-ethyl-1,2,3,4-tetrahydroquinolin-6-yl)ethyl)-N2-(thiazol-2-yl)oxalamide
CAS 955610-88-5C18H22N4O2S
![2-(7-(tert-Butyl)-5-oxo-3,5-dihydro-2H-thiazolo[3,2-a]pyrimidin-3-yl)-N-(pyridin-2-ylmethyl)acetamide chemical structure, C18H22N4O2S, CAS 953217-36-2](/s/SMPIJNJNFXARQS-UHFFFAOYSA-N.svg)
2-(7-(tert-Butyl)-5-oxo-3,5-dihydro-2H-thiazolo[3,2-a]pyrimidin-3-yl)-N-(pyridin-2-ylmethyl)acetamide
CAS 953217-36-2C18H22N4O2S
1-(4-Methyl-5-(piperidine-1-carbonyl)thiazol-2-yl)-3-(p-tolyl)urea
CAS 941916-26-3C18H22N4O2S
N-Cyclohexyl-2-(3-(m-tolyl)ureido)thiazole-4-carboxamide
CAS 955661-28-6C18H22N4O2S
1-(4-(2-Oxo-2-(piperidin-1-yl)ethyl)thiazol-2-yl)-3-(p-tolyl)urea
CAS 1005299-38-6C18H22N4O2S
![2-Ethyl-5-(morpholino(p-tolyl)methyl)thiazolo[3,2-b][1,2,4]triazol-6-ol chemical structure, C18H22N4O2S, CAS 898346-30-0](/s/MNHQFZRJVWKKRK-UHFFFAOYSA-N.svg)
2-Ethyl-5-(morpholino(p-tolyl)methyl)thiazolo[3,2-b][1,2,4]triazol-6-ol
CAS 898346-30-0C18H22N4O2S
![2-Ethyl-5-((4-hydroxypiperidin-1-yl)(phenyl)methyl)thiazolo[3,2-b][1,2,4]triazol-6-ol chemical structure, C18H22N4O2S, CAS 898350-40-8](/s/GLTXWNWBTOACAL-UHFFFAOYSA-N.svg)
2-Ethyl-5-((4-hydroxypiperidin-1-yl)(phenyl)methyl)thiazolo[3,2-b][1,2,4]triazol-6-ol
CAS 898350-40-8C18H22N4O2S
![N1-(sec-butyl)-N2-(2-(p-tolyl)-4,6-dihydro-2H-thieno[3,4-c]pyrazol-3-yl)oxalamide chemical structure, C18H22N4O2S, CAS 941973-96-2](/s/UTENUJNYFFYMQS-UHFFFAOYSA-N.svg)
N1-(sec-butyl)-N2-(2-(p-tolyl)-4,6-dihydro-2H-thieno[3,4-c]pyrazol-3-yl)oxalamide
CAS 941973-96-2C18H22N4O2S
3,7-Dimethyl-1-(4-methylbenzyl)-8-(propylthio)-1H-purine-2,6(3H,7H)-dione
CAS 1040640-88-7C18H22N4O2S
2-(2-(3-Cyclohexylureido)thiazol-4-yl)-N-phenylacetamide
CAS 921487-92-5C18H22N4O2S
1-(4-(2-(3-Methylpiperidin-1-yl)-2-oxoethyl)thiazol-2-yl)-3-phenylurea
CAS 921486-16-0C18H22N4O2S
![N-(1-Cyano-1,2-dimethylpropyl)-2-[(3,6-dimethyl-4-oxo-3,4-dihydroquinazolin-2-yl)sulfanyl]acetamide chemical structure, C18H22N4O2S, CAS 1223203-52-8](/s/IYHULSOGZGMFKV-UHFFFAOYSA-N.svg)
N-(1-Cyano-1,2-dimethylpropyl)-2-[(3,6-dimethyl-4-oxo-3,4-dihydroquinazolin-2-yl)sulfanyl]acetamide
CAS 1223203-52-8C18H22N4O2S
![N-(2-Cyanoethyl)-3-[4,6-dimethyl-2-(methylsulfanyl)pyrimidin-5-yl]-N-[(furan-2-yl)methyl]propanamide chemical structure, C18H22N4O2S, CAS 1240933-61-2](/s/ZGFQYDUXMHJCGB-UHFFFAOYSA-N.svg)
N-(2-Cyanoethyl)-3-[4,6-dimethyl-2-(methylsulfanyl)pyrimidin-5-yl]-N-[(furan-2-yl)methyl]propanamide
CAS 1240933-61-2C18H22N4O2S
N-(2-Methoxy-5-methylphenyl)-2-((4-(pyrrolidin-1-yl)pyrimidin-2-yl)thio)acetamide
CAS 1251686-28-8C18H22N4O2S
N-(4-(2-Oxo-2-(4-(m-tolyl)piperazin-1-yl)ethyl)thiazol-2-yl)acetamide
CAS 1325706-98-6C18H22N4O2S
- N-(4-Acetylphenyl)-2-[4-(5-methyl-1,3,4-thiadiazol-2-yl)piperidin-1-yl]acetamide1325709-23-6C18H22N4O2S
- 4-Amino-N-(4-ethylbenzyl)-3-(pyrrolidine-1-carbonyl)isothiazole-5-carboxamide1286732-57-7C18H22N4O2S
- 1-(4-(tert-Butyl)phenyl)-3-(4-oxo-5,6,7,8-tetrahydro-4H-thiazolo[5,4-c]azepin-2-yl)urea1797160-63-4C18H22N4O2S
- N-(1-Cyano-1-cyclohexylethyl)-3-[5-(thiophen-3-yl)-1,3,4-oxadiazol-2-yl]propanamide1424533-81-2C18H22N4O2S
- 2-{3-[4,6-Dimethyl-2-(methylsulfanyl)pyrimidin-5-yl]propanamido}-6-methylbenzamide1424521-28-7C18H22N4O2S
- N-(2-Oxo-2-(((1-(thiazol-2-yl)piperidin-3-yl)methyl)amino)ethyl)benzamide1798665-74-3C18H22N4O2S
- 1-(3-((3-Cyclopropyl-1,2,4-oxadiazol-5-yl)methyl)piperidin-1-yl)-2-(pyridin-4-ylthio)ethanone1705772-09-3C18H22N4O2S
- 1-(4-(4,5,6,7-Tetrahydropyrazolo[1,5-a]pyridine-2-carbonyl)piperazin-1-yl)-2-(thiophen-3-yl)ethanone2034591-70-1C18H22N4O2S
- 1-(4-(4,5,6,7-Tetrahydropyrazolo[1,5-a]pyridine-2-carbonyl)piperazin-1-yl)-2-(thiophen-2-yl)ethanone1903722-26-8C18H22N4O2S
- 6-(4-(6,7-Dihydrothieno[3,2-c]pyridin-5(4H)-yl)piperidine-1-carbonyl)-2-methylpyridazin-3(2H)-one1904069-42-6C18H22N4O2S
- 1-(2-{5,6-Dimethyl-4-oxo-3H,4H-thieno[2,3-d]pyrimidin-3-yl}acetyl)-3,3-dimethylpiperidine-2-carbonitrile1808813-77-5C18H22N4O2S
- 1-Methyl-3-(1-(pyridin-2-ylmethyl)piperidin-4-yl)-1,3-dihydrobenzo[c][1,2,5]thiadiazole 2,2-dioxide2034510-64-8C18H22N4O2S
- 1-Methyl-3-(1-(pyridin-3-ylmethyl)piperidin-4-yl)-1,3-dihydrobenzo[c][1,2,5]thiadiazole 2,2-dioxide2034328-08-8C18H22N4O2S
- N-(2-(Benzo[b]thiophen-3-yl)-2-(dimethylamino)ethyl)-3-methoxy-1-methyl-1H-pyrazole-4-carboxamide2034309-55-0C18H22N4O2S
- N-(2-(3,5-Dimethyl-1H-pyrazol-1-yl)-2-(thiophen-3-yl)ethyl)-2-(3,5-dimethylisoxazol-4-yl)acetamide2034594-57-3C18H22N4O2S
- N-(2-(3,5-Dimethyl-4-(thiophen-2-yl)-1H-pyrazol-1-yl)ethyl)-2-(3,5-dimethylisoxazol-4-yl)acetamide2034554-44-2C18H22N4O2S
- 4-Cyclopropyl-6-{[1-(2-methyl-1,3-thiazole-4-carbonyl)piperidin-4-yl]methoxy}pyrimidine2309538-64-3C18H22N4O2S
- 4-Cyclopropyl-6-{[1-(4-methyl-1,3-thiazole-5-carbonyl)piperidin-4-yl]methoxy}pyrimidine2309573-23-5C18H22N4O2S
- N-(1-(4-Methyl-6-oxo-1,6-dihydropyrimidin-2-yl)piperidin-4-yl)-3-(methylthio)benzamide1903048-39-4C18H22N4O2S
- N-Cyclopropyl-2-({1-[2-oxo-2-(1-pyrrolidinyl)ethyl]-1H-benzimidazol-2-yl}sulfanyl)acetamide606109-76-6C18H22N4O2S
- 1-(1-Adamantyl)-3-[(E)-(4-nitrophenyl)methylideneamino]thiourea32403-20-6C18H22N4O2S
- 2-{[5-(Morpholin-4-ylmethyl)-4-(prop-2-en-1-yl)-4H-1,2,4-triazol-3-yl]sulfanyl}-1-phenylethanone914356-86-8C18H22N4O2S
- N-(1-Cyano-1,2-dimethylpropyl)-2-{[5-(4-ethylphenyl)-1,3,4-oxadiazol-2-yl]sulfanyl}acetamide941127-52-2C18H22N4O2S
- N-Ethyl-4-[4-(3-methylphenyl)piperazine-1-carbonyl]-1,3-thiazole-2-carboxamide1251693-96-5C18H22N4O2S
- 4-Amino-N-(3,4-dimethylbenzyl)-3-(pyrrolidine-1-carbonyl)isothiazole-5-carboxamide1286703-21-6C18H22N4O2S
- 4-Amino-N-(2-phenylpropyl)-3-(pyrrolidine-1-carbonyl)isothiazole-5-carboxamide1286718-95-3C18H22N4O2S
- 4-[4-Oxo-2-(propan-2-yl)-1,4-dihydroquinazolin-3(2H)-yl]-N-(1,3-thiazol-2-yl)butanamide1282133-98-5C18H22N4O2S
- 2-[6-Oxo-3-(thiomorpholin-4-yl)pyridazin-1(6H)-yl]-N-(2-phenylethyl)acetamide1324070-72-5C18H22N4O2S
- 1-(6-Methoxypyridazin-3-yl)-N-(3-(methylthio)phenyl)piperidine-4-carboxamide1435975-37-3C18H22N4O2S
- 2-Cyclopropyl-N-[(2-ethoxypyridin-4-yl)methyl]-4-methyl-6-(methylsulfanyl)pyrimidine-5-carboxamide1376059-73-2C18H22N4O2S
- 2-(4-Cyclopropyl-6-oxo-1,6-dihydropyrimidin-1-yl)-N-{1-[(thiophen-3-yl)methyl]pyrrolidin-3-yl}acetamide2097916-15-7C18H22N4O2S
- 4',6'-Dimethyl-8-{thieno[2,3-d]pyrimidin-4-yl}-8-azaspiro[bicyclo[3.2.1]octane-3,2'-morpholin]-5'-one2640818-93-3C18H22N4O2S
- 4-Methyl-2-{5-phenylmethanesulfonyl-octahydropyrrolo[3,4-c]pyrrol-2-yl}pyrimidine2548982-95-0C18H22N4O2S
- 3-(4-Benzylpiperazin-1-yl)-7,8-dihydro-5H-thiopyrano[4,3-c]pyridazine 6,6-dioxide2877651-30-2C18H22N4O2S
- N-Cyclohexyl-4-methyl-2-(3-phenylureido)thiazole-5-carboxamide941886-10-8C18H22N4O2S
- (S)-N-(1-((4-Methylthiazol-2-yl)amino)-1-oxo-3-phenylpropan-2-yl)pyrrolidine-1-carboxamide1246072-43-4C18H22N4O2S
- (E)-2-Phenyl-N-((1-(pyrazin-2-yl)piperidin-4-yl)methyl)ethenesulfonamide1396891-85-2C18H22N4O2S
- 5-{[4-(Prop-2-enoyl)piperazin-1-yl]methyl}-8-thia-4,6-diazatricyclo[7.4.0.0,2,7]trideca-1(9),2(7),5-trien-3-one2108942-36-3C18H22N4O2S
- 2-Cyano-N-(4,5-dihydro-1,3-thiazol-2-yl)-3-{2,5-dimethyl-1-[(oxolan-2-yl)methyl]-1H-pyrrol-3-yl}prop-2-enamide1356782-82-5C18H22N4O2S
- 4-Cyclobutyl-6-{[1-(1,3-thiazole-4-carbonyl)piperidin-4-yl]methoxy}pyrimidine2379988-97-1C18H22N4O2S
- 5-Ethyl-2-({1-[2-(methylsulfanyl)pyridine-3-carbonyl]piperidin-4-yl}oxy)pyrimidine2380175-50-6C18H22N4O2S
- N-(1-{1-[2-(Ethylsulfanyl)benzoyl]pyrrolidin-3-yl}-1H-pyrazol-4-yl)acetamide2415632-24-3C18H22N4O2S
- 2-Methyl-3-[2-(thiomorpholine-4-carbonyl)morpholin-4-yl]quinoxaline2415561-91-8C18H22N4O2S
- 1-[(3-Methoxyphenyl)methyl]-4-[6-methyl-2-(methylsulfanyl)pyrimidin-4-yl]piperazin-2-one2877635-38-4C18H22N4O2S
- 12-[3-(Morpholine-4-carbonyl)pyrrolidin-1-yl]-7-thia-9,11-diazatricyclo[6.4.0.0^{2,6}]dodeca-1(8),2(6),9,11-tetraene2877638-29-2C18H22N4O2S
- 4-Amino-N-(1,11,11-trimethyl-3,5-diazatricyclo[6.2.1.02,7]undeca-2,4,6-trien-4-yl)benzenesulfonamide71720-66-6C18H22N4O2S
- 4-Methoxy-2-(4-{4H,5H,6H,7H-thieno[3,2-c]pyridine-5-carbonyl}piperidin-1-yl)pyrimidine3054406-80-0C18H22N4O2S
- 2-[4-(4-Acetylphenyl)piperazin-1-yl]-N-(4-methyl-1,3-thiazol-2-yl)acetamide1326016-97-0C18H22N4O2S
- N,2-Dimethyl-N-phenyl-5-[(E)-(pyrrolidin-1-yl)diazenyl]benzene-1-sulfonamide50798-51-1C18H22N4O2S
- 2-Methyl-N-phenyl-5-[(E)-(piperidin-1-yl)diazenyl]benzene-1-sulfonamide61470-01-7C18H22N4O2S
- N,N'-Bis{[4-(dimethylamino)phenyl]methylidene}sulfuric diamide58120-02-8C18H22N4O2S
- N-[1-(Benzenesulfonyl)piperidin-4-yl]-N-cyclopropylpyrimidin-4-amine2380176-15-6C18H22N4O2S
- N-[1-(5-Methyl-1,3,4-thiadiazol-2-yl)azetidin-3-yl]-4-phenyloxane-4-carboxamide2415622-04-5C18H22N4O2S
- 1-Benzyl-4-{4-[(oxolan-2-yl)methyl]-5-sulfanylidene-4,5-dihydro-1H-1,2,4-triazol-3-yl}pyrrolidin-2-one2549045-79-4C18H22N4O2S
- 4-Methyl-6-{5-phenylmethanesulfonyl-octahydropyrrolo[3,4-c]pyrrol-2-yl}pyrimidine2640892-44-8C18H22N4O2S
- 2-[5-(Benzenesulfonyl)-octahydropyrrolo[3,4-c]pyrrol-2-yl]-4,6-dimethylpyrimidine2640935-39-1C18H22N4O2S
- 5-Methyl-2-{[2-(2-methyl-1,3-thiazole-4-carbonyl)-octahydrocyclopenta[c]pyrrol-3a-yl]methoxy}pyrimidine2640969-98-6C18H22N4O2S
- 3-[5-(Ethanesulfonyl)-octahydropyrrolo[3,4-c]pyrrol-2-yl]-6-phenylpyridazine2415565-63-6C18H22N4O2S
- 2-[3-(Thiomorpholine-4-carbonyl)piperidin-1-yl]-4H-pyrido[1,2-a]pyrimidin-4-one2741908-04-1C18H22N4O2S
- 1-Methyl-4-[2-(thiomorpholine-4-carbonyl)morpholin-4-yl]phthalazine2741957-82-2C18H22N4O2S
- 4-[4-(Benzenesulfonyl)piperazin-1-yl]-5,6,7,8-tetrahydroquinazoline2741930-19-6C18H22N4O2S
- 1-(Benzenesulfonyl)-4-{2-methyl-5H,6H,7H-cyclopenta[d]pyrimidin-4-yl}piperazine2742040-60-2C18H22N4O2S
- 4-[4-(Benzenesulfonyl)piperazin-1-yl]-2-cyclopropyl-6-methylpyrimidine2742016-39-1C18H22N4O2S
- 2-{3-[(2-Ethyl-1H-imidazol-1-yl)methyl]azetidin-1-yl}-4,7-dimethoxy-1,3-benzothiazole2742056-05-7C18H22N4O2S
- 4-[4-(Benzenesulfonyl)piperazin-1-yl]-6-cyclobutylpyrimidine2741937-26-6C18H22N4O2S
- 1-Piperidinecarboxylic acid, 3-[(7-cyanothieno[3,2-c]pyridin-4-yl)amino]-, 1,1-dimethylethyl ester, (3S)-1261302-03-7C18H22N4O2S
- Benzyl 3-(4-cyclopropyl-5-sulfanyl-4H-1,2,4-triazol-3-yl)piperidine-1-carboxylate2680836-21-7C18H22N4O2S
- Benzyl 4-(4-cyclopropyl-5-sulfanyl-4H-1,2,4-triazol-3-yl)piperidine-1-carboxylate2680745-56-4C18H22N4O2S
- 1-Methyl-3-(4-{4H,5H,6H,7H-thieno[3,2-c]pyridine-5-carbonyl}piperidin-1-yl)-1,2-dihydropyrazin-2-one3054583-58-0C18H22N4O2S
- 4-(4,6-Dimethylpyrimidin-2-yl)-2-{4H,5H,6H,7H-thieno[3,2-c]pyridine-5-carbonyl}morpholine3054567-07-3C18H22N4O2S
- 4-(3,6-Dimethylpyrazin-2-yl)-2-{4H,5H,6H,7H-thieno[3,2-c]pyridine-5-carbonyl}morpholine3054619-19-8C18H22N4O2S
- 3-Methyl-6-(3-{4H,5H,6H,7H-thieno[3,2-c]pyridine-5-carbonyl}piperidin-1-yl)-3,4-dihydropyrimidin-4-one3054596-91-4C18H22N4O2S
- 3-Methyl-6-(4-{4H,5H,6H,7H-thieno[3,2-c]pyridine-5-carbonyl}piperidin-1-yl)-3,4-dihydropyrimidin-4-one3054535-26-8C18H22N4O2S
- 4-(5,6-Dimethylpyrimidin-4-yl)-2-{4H,5H,6H,7H-thieno[3,2-c]pyridine-5-carbonyl}morpholine3054615-74-3C18H22N4O2S
- 4-(2,6-Dimethylpyrimidin-4-yl)-2-{4H,5H,6H,7H-thieno[3,2-c]pyridine-5-carbonyl}morpholine3054547-23-5C18H22N4O2S
- 5-Methoxy-2-(3-{4H,5H,6H,7H-thieno[3,2-c]pyridine-5-carbonyl}piperidin-1-yl)pyrimidine3054573-29-1C18H22N4O2S
Frequently asked questions
What is the molar mass of C18H22N4O2S?
The molar mass of C18H22N4O2S is 358.46 g/mol, calculated from standard atomic weights for 18 carbon atoms, 22 hydrogen atoms, 4 nitrogen atoms, 2 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 358.1463 Da.
How many compounds have the formula C18H22N4O2S?
CompoundList lists 210 compounds with the molecular formula C18H22N4O2S, including N1-((1-(pyridin-2-yl)piperidin-4-yl)methyl)-N2-(thiophen-2-ylmethyl)oxalamide, 3-(4-Methoxy-1H-indol-1-yl)-N-[(2Z)-5-(2-methylpropyl)-1,3,4-thiadiazol-2(3H)-ylidene]propanamide, 1-(1-Methyl-6-oxo-1,6-dihydropyridazin-3-yl)-N-(2-(methylthio)phenyl)piperidine-4-carboxamide. 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 C18H22N4O2S?
C18H22N4O2S 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.