Molecular formula
C17H22N4OS
128 compounds have this formula on CompoundList.
- Molar mass
- 330.45g/mol
- Monoisotopic mass
- 330.1514Da
- Atoms
- 45
- Elements
- 5
- Rings plus double bonds
- 9
The formula C17H22N4OS describes a molecule made of 17 carbon atoms, 22 hydrogen atoms, 4 nitrogen atoms, 1 oxygen atom 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 × 1761.79%12.011 × 17 = 204.187 g/mol
- H Hydrogen × 226.71%1.008 × 22 = 22.176 g/mol
- N Nitrogen × 416.96%14.007 × 4 = 56.028 g/mol
- O Oxygen × 14.84%15.999 × 1 = 15.999 g/mol
- S Sulfur × 19.70%32.06 × 1 = 32.060 g/mol
Look up another formula
Compounds with the formula C17H22N4OS
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 100 of 128 compounds
![1-Ethyl-3-[[[2-(2-methylpropyl)-4-quinolinyl]-oxomethyl]amino]thiourea chemical structure, C17H22N4OS, CAS 438233-51-3](/s/MYTRQYCYPXKAQI-UHFFFAOYSA-N.svg)
1-Ethyl-3-[[[2-(2-methylpropyl)-4-quinolinyl]-oxomethyl]amino]thiourea
CAS 438233-51-3C17H22N4OS
![3-Cyclohexyl-4-[(E)-(4-ethoxyphenyl)methylideneamino]-1H-1,2,4-triazole-5-thione chemical structure, C17H22N4OS, CAS 500271-21-6](/s/YHYDTWDUSXRFQC-LDADJPATSA-N.svg)
3-Cyclohexyl-4-[(E)-(4-ethoxyphenyl)methylideneamino]-1H-1,2,4-triazole-5-thione
CAS 500271-21-6C17H22N4OS
![1-(2-Phenylethyl)-6-propyl-2-thioxo-2,3,5,6,7,8-hexahydropyrimido[4,5-d]pyrimidin-4(1H)-one chemical structure, C17H22N4OS, CAS 727677-22-7](/s/SJQXTZQXFXMIQD-UHFFFAOYSA-N.svg)
1-(2-Phenylethyl)-6-propyl-2-thioxo-2,3,5,6,7,8-hexahydropyrimido[4,5-d]pyrimidin-4(1H)-one
CAS 727677-22-7C17H22N4OS
![3-[4-(3-Methylbutyl)-3-(phenoxymethyl)-5-sulfanylidene-1,2,4-triazol-1-yl]propanenitrile chemical structure, C17H22N4OS, CAS 854036-04-7](/s/GAJQUWSPYAHEIF-UHFFFAOYSA-N.svg)
3-[4-(3-Methylbutyl)-3-(phenoxymethyl)-5-sulfanylidene-1,2,4-triazol-1-yl]propanenitrile
CAS 854036-04-7C17H22N4OS
1-(4-Benzylpiperidin-1-yl)-2-((4-methyl-4H-1,2,4-triazol-3-yl)thio)ethanone
CAS 380452-28-8C17H22N4OS
![N'-{5-[4-(Diethylamino)benzoyl]-1,3-thiazol-2-yl}-N,N-dimethyliminoformamide chemical structure, C17H22N4OS, CAS 861211-30-5](/s/FBODAPOHPFTVSK-XDHOZWIPSA-N.svg)
N'-{5-[4-(Diethylamino)benzoyl]-1,3-thiazol-2-yl}-N,N-dimethyliminoformamide
CAS 861211-30-5C17H22N4OS
![3-Cyclohexyl-4-[(E)-(2-ethoxyphenyl)methylideneamino]-1H-1,2,4-triazole-5-thione chemical structure, C17H22N4OS, CAS 487038-74-4](/s/WDUWGGFQTQDKIU-LDADJPATSA-N.svg)
3-Cyclohexyl-4-[(E)-(2-ethoxyphenyl)methylideneamino]-1H-1,2,4-triazole-5-thione
CAS 487038-74-4C17H22N4OS
![N-{[5-(Allylsulfanyl)-4-isopropyl-4H-1,2,4-triazol-3-yl]methyl}-2-methylbenzenecarboxamide chemical structure, C17H22N4OS, CAS 400085-68-9](/s/WYXDCXULOLMUJU-UHFFFAOYSA-N.svg)
N-{[5-(Allylsulfanyl)-4-isopropyl-4H-1,2,4-triazol-3-yl]methyl}-2-methylbenzenecarboxamide
CAS 400085-68-9C17H22N4OS
![N-Cyclopentyl-2-[[5-methyl-4-(4-methylphenyl)-1,2,4-triazol-3-yl]sulfanyl]acetamide chemical structure, C17H22N4OS, CAS 900082-27-1](/s/VSJCRQZTJRYLAX-UHFFFAOYSA-N.svg)
N-Cyclopentyl-2-[[5-methyl-4-(4-methylphenyl)-1,2,4-triazol-3-yl]sulfanyl]acetamide
CAS 900082-27-1C17H22N4OS
1-(2-(4-Phenylpiperazin-1-yl)ethyl)-3-(thiophen-2-yl)urea
CAS 1211021-56-5C17H22N4OS
1-Cyclohexyl-4-(1-phenyl-5-tetrazolyl)thio-1-butanone
CAS 80087-23-6C17H22N4OS
![N-[4-(4-Methylphenyl)-1,3-thiazol-2-yl]-2-(4-methylpiperazin-1-yl)acetamide chemical structure, C17H22N4OS, CAS 886176-37-0](/s/VOHDDPJENYGWPD-UHFFFAOYSA-N.svg)
N-[4-(4-Methylphenyl)-1,3-thiazol-2-yl]-2-(4-methylpiperazin-1-yl)acetamide
CAS 886176-37-0C17H22N4OS
SH 966 BS
CAS 58138-24-2C17H22N4OS
4-(5-Ethyl-1,3,4-thiadiazol-2-yl)-N-(p-tolyl)piperidine-1-carboxamide
CAS 1105247-18-4C17H22N4OS
N-Benzyl-4-(5-ethyl-1,3,4-thiadiazol-2-yl)piperidine-1-carboxamide
CAS 1105246-97-6C17H22N4OS
N-(4-Methyl-1,3-thiazol-2-yl)-2-(4-phenylpiperazin-1-yl)propanamide
CAS 916032-02-5C17H22N4OS
![6-[(4-tert-Butylphenoxy)methyl]-3-propan-2-yl-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazole chemical structure, C17H22N4OS, CAS 876886-21-4](/s/MPIATUGRDCNLJS-UHFFFAOYSA-N.svg)
6-[(4-tert-Butylphenoxy)methyl]-3-propan-2-yl-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazole
CAS 876886-21-4C17H22N4OS
![3-Butylsulfanyl-6-ethyl-6-methyl-7H-[1,2,4]triazino[5,6-d][3,1]benzoxazepine chemical structure, C17H22N4OS, CAS 328271-83-6](/s/ZUCQTPFECGHHOP-UHFFFAOYSA-N.svg)
3-Butylsulfanyl-6-ethyl-6-methyl-7H-[1,2,4]triazino[5,6-d][3,1]benzoxazepine
CAS 328271-83-6C17H22N4OS
![1-[[2-[(2-Aminophenyl)amino]-5-methyl-3-thienyl]carbonyl]-4-methyl-piperazine chemical structure, C17H22N4OS, CAS 138564-61-1](/s/NVVVXCDSGMPBCB-UHFFFAOYSA-N.svg)
1-[[2-[(2-Aminophenyl)amino]-5-methyl-3-thienyl]carbonyl]-4-methyl-piperazine
CAS 138564-61-1C17H22N4OS
![5-[4-(Dimethylamino)benzylidene]-2-(4-methyl-1-piperazinyl)-1,3-thiazol-4(5H)-one chemical structure, C17H22N4OS, CAS 372507-09-0](/s/RRNSVDBLPXFNEG-QINSGFPZSA-N.svg)
5-[4-(Dimethylamino)benzylidene]-2-(4-methyl-1-piperazinyl)-1,3-thiazol-4(5H)-one
CAS 372507-09-0C17H22N4OS
![N-(4-Cyclohexylphenyl)-2-[(4-methyl-4H-1,2,4-triazol-3-yl)sulfanyl]acetamide chemical structure, C17H22N4OS, CAS 212074-85-6](/s/OXXBAORPZNYNMK-UHFFFAOYSA-N.svg)
N-(4-Cyclohexylphenyl)-2-[(4-methyl-4H-1,2,4-triazol-3-yl)sulfanyl]acetamide
CAS 212074-85-6C17H22N4OS
1-(5-Cyclohexyl-1,3,4-thiadiazol-2-yl)-3-(3,4-dimethylphenyl)urea
CAS 429627-46-3C17H22N4OS
1-(2-(Dimethylamino)-2-(pyridin-3-yl)ethyl)-3-(4-methoxyphenyl)thiourea
CAS 851946-11-7C17H22N4OS
![1-[2-(Dimethylamino)-2-pyridin-3-ylethyl]-3-(2-methoxyphenyl)thiourea chemical structure, C17H22N4OS, CAS 851946-14-0](/s/FBQAZQMISHOYQX-UHFFFAOYSA-N.svg)
1-[2-(Dimethylamino)-2-pyridin-3-ylethyl]-3-(2-methoxyphenyl)thiourea
CAS 851946-14-0C17H22N4OS
- N-Cyclohexyl-2-[(4-methyl-4H-1,2,4-triazol-3-yl)sulfanyl]-2-phenylacetamide936821-13-5C17H22N4OS
- N-Ethyl-4-((4-phenylthiazol-2-yl)methyl)piperazine-1-carboxamide1172893-29-6C17H22N4OS
- 5-(Piperazin-1-yl)-4-(prop-2-en-1-yl)-8-thia-4,6-diazatricyclo[7.4.0.0^{2,7}]trideca-1(9),2(7),5-trien-3-one1176027-61-4C17H22N4OS
- N-Cyclohexyl-6-[(methylsulfinyl)methyl]-2-(4-pyridinyl)-4-pyrimidinamine339278-97-6C17H22N4OS
- 1-(3-Acetylphenyl)-3-[1-(1-ethyl-3-methyl-1H-pyrazol-4-yl)ethyl]thiourea1006244-59-2C17H22N4OS
- (4-Amino-3-(p-tolyl)isothiazol-5-yl)(4-ethylpiperazin-1-yl)methanone1286702-66-6C17H22N4OS
- 1-((1-Cyclopentyl-5-cyclopropyl-1H-pyrazol-3-yl)methyl)-3-(thiophen-2-yl)urea1448037-51-1C17H22N4OS
- N-[(1-Phenylpyrrolidin-2-yl)methyl]-4-propyl-1,2,3-thiadiazole-5-carboxamide1798029-89-6C17H22N4OS
- 2-(Cyclopentylsulfanyl)-1-{4-methyl-2,3,7,11-tetraazatricyclo[7.4.0.0^{2,6}]trideca-1(9),3,5,7-tetraen-11-yl}ethan-1-one1797905-70-4C17H22N4OS
- (4-(1H-1,2,3-Triazol-1-yl)piperidin-1-yl)(1-(thiophen-2-yl)cyclopentyl)methanone1788949-99-4C17H22N4OS
- 1-(4-(1H-1,2,3-Triazol-1-yl)piperidin-1-yl)-3-(4-(methylthio)phenyl)propan-1-one1798637-99-6C17H22N4OS
- 1-((1-(Pyridin-4-yl)piperidin-4-yl)methyl)-3-(thiophen-2-ylmethyl)urea2034237-77-7C17H22N4OS
- 1-(4-(3-Cyclopropyl-1-methyl-1H-pyrazol-5-yl)piperazin-1-yl)-2-(thiophen-2-yl)ethanone2034582-25-5C17H22N4OS
- 1-[(3-Benzyl-2-sulfanylideneimidazol-1-yl)methyl]piperidine-4-carboxamide298686-80-3C17H22N4OS
- N-Cycloheptyl-2-[(4-phenyl-1,2,4-triazol-3-yl)sulfanyl]acetamide802943-99-3C17H22N4OS
- 1-Cyclohexyl-3-[[2-(1H-indol-3-yl)acetyl]amino]thiourea946385-98-4C17H22N4OS
- 8-Amino-N,N-diethyl-3,4-dihydro-2H-1,4-ethanothieno[2,3-b][1,5]naphthyridine-7-carboxamide728001-64-7C17H22N4OS
- 2-[4-[(4-Methylphenyl)methyl]piperazin-1-yl]-N-(1,3-thiazol-2-yl)acetamide890552-50-8C17H22N4OS
- N-Allyl-4-(4,5-dimethylbenzo[d]thiazol-2-yl)piperazine-1-carboxamide1208461-66-8C17H22N4OS
- N-[(1-Benzylpiperidin-4-yl)methyl]-4-methyl-1,2,3-thiadiazole-5-carboxamide1209890-63-0C17H22N4OS
- 1-((1-(Pyridin-2-yl)piperidin-4-yl)methyl)-3-(thiophen-2-ylmethyl)urea1235359-38-2C17H22N4OS
- N-(2-(2-(3,5-Dimethyl-1H-pyrazol-1-yl)thiazol-4-yl)ethyl)cyclohex-3-enecarboxamide1421465-23-7C17H22N4OS
- 1-((1-(2-Methylpyridin-4-yl)piperidin-4-yl)methyl)-3-(thiophen-2-yl)urea2034615-88-6C17H22N4OS
- (4-(2H-1,2,3-Triazol-2-yl)piperidin-1-yl)(1-(thiophen-2-yl)cyclopentyl)methanone2034473-67-9C17H22N4OS
- 2-({1-[1-(Thiophen-2-yl)cyclopentanecarbonyl]pyrrolidin-2-yl}methyl)-2H-1,2,3-triazole2097893-91-7C17H22N4OS
- 3-(3-Methylthiophen-2-yl)-1-[3-(1H-1,2,3-triazol-1-yl)-8-azabicyclo[3.2.1]octan-8-yl]propan-1-one2189435-00-3C17H22N4OS
- 1-((1R,5S)-3-(1H-1,2,4-Triazol-1-yl)-8-azabicyclo[3.2.1]octan-8-yl)-3-(3-methylthiophen-2-yl)propan-1-one2309536-97-6C17H22N4OS
- N-Benzyl-2-[(5-cyclopentyl-4-methyl-1,2,4-triazol-3-yl)sulfanyl]acetamide903031-55-0C17H22N4OS
- 1-(4-{8-Thia-4,6-diazatricyclo[7.5.0.0,2,7]tetradeca-1(9),2,4,6-tetraen-3-yl}piperazin-1-yl)ethan-1-one923903-11-1C17H22N4OS
- 2-(1-(1H-Pyrrol-1-yl)cyclohexyl)-N-(5-cyclopropyl-1,3,4-thiadiazol-2-yl)acetamide1435981-66-0C17H22N4OS
- 2-Cyclopropyl-N-[(1,5-dimethylpyrrol-2-yl)methyl]-4-methyl-6-methylsulfanylpyrimidine-5-carboxamide1384742-51-1C17H22N4OS
- 3-(Dimethylamino)-N-((1-(thiazol-2-yl)pyrrolidin-2-yl)methyl)benzamide1788556-17-1C17H22N4OS
- 1-(3,4-Dimethylphenyl)-3-((1-(thiazol-2-yl)pyrrolidin-2-yl)methyl)urea1788769-44-7C17H22N4OS
- 1-(3-(1H-1,2,3-Triazol-1-yl)pyrrolidin-1-yl)-2-(4-(isopropylthio)phenyl)ethanone1798517-95-9C17H22N4OS
- (4-(3-Cyclopropyl-1-methyl-1H-pyrazol-5-yl)piperazin-1-yl)(4-methylthiophen-2-yl)methanone2034479-46-2C17H22N4OS
- 2-(Cyclopentylthio)-N-(1-phenyl-2-(2H-1,2,3-triazol-2-yl)ethyl)acetamide2034405-75-7C17H22N4OS
- N-[1-(5-Cyclopropyl-1H-pyrazol-3-yl)piperidin-4-yl]-2-(thiophen-3-yl)acetamide1902913-82-9C17H22N4OS
- 2-(Cyclopentylthio)-N-((5-(1-methyl-1H-pyrazol-4-yl)pyridin-3-yl)methyl)acetamide2034308-73-9C17H22N4OS
- 1-(2-(3,5-Dicyclopropyl-1H-pyrazol-1-yl)ethyl)-3-(thiophen-2-ylmethyl)urea2309733-22-8C17H22N4OS
- 1-[3-(4-Cyclopropyl-1H-1,2,3-triazol-1-yl)pyrrolidin-1-yl]-3-(3-methylthiophen-2-yl)propan-1-one2195874-82-7C17H22N4OS
- 3-(4,6-Dimethyl-2-methylsulfanylpyrimidin-5-yl)-N-ethyl-N-pyridin-3-ylpropanamide1935711-03-7C17H22N4OS
- 2-(Cyclopentylsulfanyl)-N-{[2-(1-methyl-1H-pyrazol-4-yl)pyridin-4-yl]methyl}acetamide2319807-77-5C17H22N4OS
- 4-Cyclopropyl-6-{[1-(4-methyl-1,3-thiazol-2-yl)piperidin-4-yl]methoxy}pyrimidine2320861-03-6C17H22N4OS
- Olanzapine monohydrate402586-77-0C17H22N4OS
- N-(4,5-Dimethyl-1,3-thiazol-2-yl)-2-(4-phenylpiperazin-1-yl)acetamide924973-87-5C17H22N4OS
- 1-(2,3-Dihydro-1H-indol-1-yl)-2-{[5-methyl-4-(2-methylpropyl)-4H-1,2,4-triazol-3-yl]sulfanyl}ethanone924978-81-4C17H22N4OS
- N-Methyl-2-[4-(5-methyl-1,3,4-thiadiazol-2-yl)piperidin-1-yl]-N-phenylacetamide1396856-53-3C17H22N4OS
- 4-(Dimethylamino)-N-(1-(thiazol-2-yl)piperidin-4-yl)benzamide1448074-76-7C17H22N4OS
- 4-Methyl-N-[5-(2-methylphenyl)-1,3-thiazol-2-yl]-1,4-diazepane-1-carboxamide1797751-84-8C17H22N4OS
- 2-{3-[Cyclopropyl(methyl)amino]-8-thia-4,6-diazatricyclo[7.4.0.0^{2,7}]trideca-1(9),2,4,6-tetraen-5-yl}-N-methylacetamide1448865-40-4C17H22N4OS
- N-[1-(5-Cyclopropyl-1H-pyrazol-3-yl)piperidin-4-yl]-5-methylthiophene-2-carboxamide2034201-00-6C17H22N4OS
- N-[1-(5-Cyclopropyl-1H-pyrazol-3-yl)piperidin-4-yl]-3-methylthiophene-2-carboxamide1902945-71-4C17H22N4OS
- 3-[4-(Methylsulfanyl)phenyl]-1-{2-[(2H-1,2,3-triazol-2-yl)methyl]pyrrolidin-1-yl}propan-1-one2097930-89-5C17H22N4OS
- 2-{[1-(3-Cyclopropyl-1,2,4-thiadiazol-5-yl)piperidin-4-yl]methoxy}-3-methylpyridine2198895-98-4C17H22N4OS
- 3-Cyclopropyl-6-{[1-(4-methyl-1,3-thiazol-2-yl)piperidin-4-yl]methoxy}pyridazine2320533-29-5C17H22N4OS
- 4-Methyl-2-(methylsulfanyl)-6-{3-[(pyridin-4-yloxy)methyl]piperidin-1-yl}pyrimidine2640882-48-8C17H22N4OS
- 2-{[1-({4H,5H,6H-Cyclopenta[d][1,3]thiazol-2-yl}methyl)piperidin-4-yl]methoxy}pyrazine2548996-23-0C17H22N4OS
- 4-[4-(2-Methoxyphenyl)piperazin-1-yl]-6-methyl-2-(methylsulfanyl)pyrimidine2640845-76-5C17H22N4OS
- 4-[4-(3-Methoxyphenyl)piperazin-1-yl]-6-methyl-2-(methylsulfanyl)pyrimidine2640845-78-7C17H22N4OS
- (1S,5R)-N-[2-(8-Methylsulfanylimidazo[1,5-a]pyridin-3-yl)propan-2-yl]-3-azabicyclo[3.1.0]hexane-6-carboxamide2744188-17-6C17H22N4OS
- 2-Amino-N-methyl-N-(1-methylpiperidin-4-yl)-4-phenylthiazole-5-carboxamide1181256-48-3C17H22N4OS
- 1-(4-Methyl-1-piperidinyl)-2-[(3-phenyl-1H-1,2,4-triazol-5-yl)thio]-1-propanone1009544-13-1C17H22N4OS
- N-Cyclopropyl-1-{6-ethylthieno[2,3-D]pyrimidin-4-YL}piperidine-4-carboxamide1029787-86-7C17H22N4OS
- 4-Morpholin-4-yl-6-(propan-2-ylsulfanylmethyl)-2-pyridin-2-yl-pyrimidine944057-33-4C17H22N4OS
- 2-{[1-(5-Cyclopropyl-1,3,4-thiadiazol-2-yl)piperidin-4-yl]methoxy}-3-methylpyridine2201319-50-6C17H22N4OS
- 4-{[1-(5-Cyclopropyl-1,3,4-thiadiazol-2-yl)piperidin-4-yl]methoxy}-2-methylpyridine2380042-86-2C17H22N4OS
- 2-({1-[(2-Cyclopropyl-1,3-thiazol-4-yl)methyl]piperidin-3-yl}methoxy)pyrimidine2379975-68-3C17H22N4OS
- 1-Methyl-3-(4-{4H,5H,6H,7H-thieno[3,2-c]pyridin-5-yl}piperidin-1-yl)-1,2-dihydropyrazin-2-one2379977-90-7C17H22N4OS
- 4-{[1-(3-Cyclopropyl-1,2,4-thiadiazol-5-yl)piperidin-3-yl]methoxy}-2-methylpyridine2380184-32-5C17H22N4OS
- 2-{[1-(3-Cyclopropyl-1,2,4-thiadiazol-5-yl)piperidin-3-yl]methoxy}-6-methylpyridine2415462-33-6C17H22N4OS
- 5-(2,1,3-Benzothiadiazol-4-yl)-1-methyl-3-(1-piperidinylmethyl)-2-pyrrolidinone1043568-01-9C17H22N4OS
- 4,6-Dimethyl-2-[3-(thiomorpholine-4-carbonyl)pyrrolidin-1-yl]pyridine-3-carbonitrile2877722-13-7C17H22N4OS
- 1-Methyl-2-[3-(thiomorpholine-4-carbonyl)pyrrolidin-1-yl]-1H-1,3-benzodiazole2877692-00-5C17H22N4OS
- 4-{1-[(Pyridin-3-yl)methyl]piperidine-4-carbonyl}thiomorpholine-3-carbonitrile2418728-02-4C17H22N4OS
- N-tert-Butyl-1-{7-thia-9,11-diazatricyclo[6.4.0.0^{2,6}]dodeca-1(8),2(6),9,11-tetraen-12-yl}azetidine-3-carboxamide2877645-62-8C17H22N4OS
- 2-Cyclopropyl-4-methyl-6-{3-[(1,3-thiazol-2-yloxy)methyl]piperidin-1-yl}pyrimidine2877686-84-3C17H22N4OS
Frequently asked questions
What is the molar mass of C17H22N4OS?
The molar mass of C17H22N4OS is 330.45 g/mol, calculated from standard atomic weights for 17 carbon atoms, 22 hydrogen atoms, 4 nitrogen atoms, 1 oxygen atom and 1 sulfur atom. The monoisotopic mass is 330.1514 Da.
How many compounds have the formula C17H22N4OS?
CompoundList lists 128 compounds with the molecular formula C17H22N4OS, including 1-Ethyl-3-[[[2-(2-methylpropyl)-4-quinolinyl]-oxomethyl]amino]thiourea, 3-Cyclohexyl-4-[(E)-(4-ethoxyphenyl)methylideneamino]-1H-1,2,4-triazole-5-thione, 1-(2-Phenylethyl)-6-propyl-2-thioxo-2,3,5,6,7,8-hexahydropyrimido[4,5-d]pyrimidin-4(1H)-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 C17H22N4OS?
C17H22N4OS 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.