Molecular formula
C18H17N5OS
62 compounds have this formula on CompoundList.
- Molar mass
- 351.43g/mol
- Monoisotopic mass
- 351.1154Da
- Atoms
- 42
- Elements
- 5
- Rings plus double bonds
- 13
The formula C18H17N5OS describes a molecule made of 18 carbon atoms, 17 hydrogen atoms, 5 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 × 1861.52%12.011 × 18 = 216.198 g/mol
- H Hydrogen × 174.88%1.008 × 17 = 17.136 g/mol
- N Nitrogen × 519.93%14.007 × 5 = 70.035 g/mol
- O Oxygen × 14.55%15.999 × 1 = 15.999 g/mol
- S Sulfur × 19.12%32.06 × 1 = 32.060 g/mol
Look up another formula
Compounds with the formula C18H17N5OS
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 62 of 62 compounds
![5-Methyl-7-(thiophen-2-yl)-2-(m-tolyl)-4,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide chemical structure, C18H17N5OS, CAS 538317-40-7](/s/ZJASTOMMPNKWAR-UHFFFAOYSA-N.svg)
5-Methyl-7-(thiophen-2-yl)-2-(m-tolyl)-4,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide
CAS 538317-40-7C18H17N5OS
![1-(5,6-Dihydrobenzo[b][1]benzazepin-11-yl)-2-(1-methyltetrazol-5-yl)sulfanylethanone chemical structure, C18H17N5OS, CAS 603078-71-3](/s/XPBZHWYHJQPPPP-UHFFFAOYSA-N.svg)
1-(5,6-Dihydrobenzo[b][1]benzazepin-11-yl)-2-(1-methyltetrazol-5-yl)sulfanylethanone
CAS 603078-71-3C18H17N5OS
![2-{[(1-Phenyl-1H-tetrazol-5-yl)thio]acetyl}-1,2,3,4-tetrahydroisoquinoline chemical structure, C18H17N5OS, CAS 386716-40-1](/s/UZGAVBDGDBDWMU-UHFFFAOYSA-N.svg)
2-{[(1-Phenyl-1H-tetrazol-5-yl)thio]acetyl}-1,2,3,4-tetrahydroisoquinoline
CAS 386716-40-1C18H17N5OS
![N-(3,5-Dimethyl-1H-pyrazol-4-yl)-3-methyl-1-phenyl-1H-thieno[2,3-c]pyrazole-5-carboxamide chemical structure, C18H17N5OS, CAS 432019-35-7](/s/JTPNVISYVKCBEU-UHFFFAOYSA-N.svg)
N-(3,5-Dimethyl-1H-pyrazol-4-yl)-3-methyl-1-phenyl-1H-thieno[2,3-c]pyrazole-5-carboxamide
CAS 432019-35-7C18H17N5OS
![N-[trans-3-(2-Methoxy-3H-Imidazo[4,5-B]pyridin-3-Yl)cyclobutyl]-1,3-Benzothiazol-2-Amine chemical structure, C18H17N5OS, CAS 1452553-40-0](/s/QSZCDYHTHAAFAW-UHFFFAOYSA-N.svg)
N-[trans-3-(2-Methoxy-3H-Imidazo[4,5-B]pyridin-3-Yl)cyclobutyl]-1,3-Benzothiazol-2-Amine
CAS 1452553-40-0C18H17N5OS
![1-(2-Methyl-2,3-dihydro-1H-indol-1-yl)-2-[(1-phenyl-1H-tetrazol-5-yl)sulfanyl]ethanone chemical structure, C18H17N5OS, CAS 386716-37-6](/s/GVDVCLSVHXYYLI-UHFFFAOYSA-N.svg)
1-(2-Methyl-2,3-dihydro-1H-indol-1-yl)-2-[(1-phenyl-1H-tetrazol-5-yl)sulfanyl]ethanone
CAS 386716-37-6C18H17N5OS
![4-Methyl-N-[2-methyl-4-[(2-methylphenyl)diazenyl]phenyl]thiadiazole-5-carboxamide chemical structure, C18H17N5OS, CAS 881443-75-0](/s/WGIVIUGKDPIELW-UHFFFAOYSA-N.svg)
4-Methyl-N-[2-methyl-4-[(2-methylphenyl)diazenyl]phenyl]thiadiazole-5-carboxamide
CAS 881443-75-0C18H17N5OS
![3-(Pyridin-4-yl)-6-[4-(thiophene-2-carbonyl)piperazin-1-yl]pyridazine chemical structure, C18H17N5OS, CAS 946273-40-1](/s/HGFAEJPNCZFOCZ-UHFFFAOYSA-N.svg)
3-(Pyridin-4-yl)-6-[4-(thiophene-2-carbonyl)piperazin-1-yl]pyridazine
CAS 946273-40-1C18H17N5OS
![2-[2-[(1-Methylbenzimidazol-2-yl)sulfanylmethyl]benzimidazol-1-yl]acetamide chemical structure, C18H17N5OS, CAS 329061-88-3](/s/QNDCUXVMUPKVEH-UHFFFAOYSA-N.svg)
2-[2-[(1-Methylbenzimidazol-2-yl)sulfanylmethyl]benzimidazol-1-yl]acetamide
CAS 329061-88-3C18H17N5OS
![N-(3-Methylphenyl)-2-[(9-methyl-9H-[1,2,4]triazolo[4,3-a]benzimidazol-3-yl)sulfanyl]acetamide chemical structure, C18H17N5OS, CAS 717893-92-0](/s/VXPWCCINIKSFQW-UHFFFAOYSA-N.svg)
N-(3-Methylphenyl)-2-[(9-methyl-9H-[1,2,4]triazolo[4,3-a]benzimidazol-3-yl)sulfanyl]acetamide
CAS 717893-92-0C18H17N5OS
![4-[3-(4-Methoxyphenyl)-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazol-6-yl]-N,N-dimethylaniline chemical structure, C18H17N5OS, CAS 843627-04-3](/s/ZVKAXDHRZZZUDL-UHFFFAOYSA-N.svg)
4-[3-(4-Methoxyphenyl)-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazol-6-yl]-N,N-dimethylaniline
CAS 843627-04-3C18H17N5OS
![4-[3-(3-Methoxyphenyl)-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazol-6-yl]-N,N-dimethylaniline chemical structure, C18H17N5OS, CAS 840510-72-7](/s/FCEVHOCLXNODMN-UHFFFAOYSA-N.svg)
4-[3-(3-Methoxyphenyl)-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazol-6-yl]-N,N-dimethylaniline
CAS 840510-72-7C18H17N5OS
![4-[6-(4-Methoxyphenyl)-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazol-3-yl]-N,N-dimethylaniline chemical structure, C18H17N5OS, CAS 879775-79-8](/s/QIUGEBJARMJQBV-UHFFFAOYSA-N.svg)
4-[6-(4-Methoxyphenyl)-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazol-3-yl]-N,N-dimethylaniline
CAS 879775-79-8C18H17N5OS
![N-(1,3-Benzothiazol-2-yl)-6-methyl-1-(propan-2-yl)-1H-pyrazolo[3,4-b]pyridine-4-carboxamide chemical structure, C18H17N5OS, CAS 930060-31-4](/s/NVFFWTVLAFMDFA-UHFFFAOYSA-N.svg)
N-(1,3-Benzothiazol-2-yl)-6-methyl-1-(propan-2-yl)-1H-pyrazolo[3,4-b]pyridine-4-carboxamide
CAS 930060-31-4C18H17N5OS
![4-[(2,5-Dimethylphenyl)hydrazono]-5-oxo-3-phenyl-4,5-dihydro-1H-pyrazole-1-carbothioamide chemical structure, C18H17N5OS, CAS 314760-88-8](/s/DUPSJDCUYRRAAM-UHFFFAOYSA-N.svg)
4-[(2,5-Dimethylphenyl)hydrazono]-5-oxo-3-phenyl-4,5-dihydro-1H-pyrazole-1-carbothioamide
CAS 314760-88-8C18H17N5OS
![3-[3-(4-Methoxyphenyl)-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazol-6-yl]-N,N-dimethylaniline chemical structure, C18H17N5OS, CAS 895334-11-9](/s/HDAZBJWIKUSVBN-UHFFFAOYSA-N.svg)
3-[3-(4-Methoxyphenyl)-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazol-6-yl]-N,N-dimethylaniline
CAS 895334-11-9C18H17N5OS
![4-[6-(3-Methoxyphenyl)-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazol-3-yl]-N,N-dimethylaniline chemical structure, C18H17N5OS, CAS 895333-44-5](/s/FNWXMAQZJWBDJK-UHFFFAOYSA-N.svg)
4-[6-(3-Methoxyphenyl)-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazol-3-yl]-N,N-dimethylaniline
CAS 895333-44-5C18H17N5OS
![N-Phenyl-2-[(4-prop-2-enyl-5-pyridin-2-yl-1,2,4-triazol-3-yl)sulfanyl]acetamide chemical structure, C18H17N5OS, CAS 903707-96-0](/s/LONPNVPRJXQBDY-UHFFFAOYSA-N.svg)
N-Phenyl-2-[(4-prop-2-enyl-5-pyridin-2-yl-1,2,4-triazol-3-yl)sulfanyl]acetamide
CAS 903707-96-0C18H17N5OS
![3-(4-Morpholinylmethyl)-6-(1-naphthyl)[1,2,4]triazolo[3,4-b][1,3,4]thiadiazole chemical structure, C18H17N5OS, CAS 1190243-94-7](/s/RAULFJSALWTOPE-UHFFFAOYSA-N.svg)
3-(4-Morpholinylmethyl)-6-(1-naphthyl)[1,2,4]triazolo[3,4-b][1,3,4]thiadiazole
CAS 1190243-94-7C18H17N5OS
![3-(4-Morpholinylmethyl)-6-(2-naphthyl)[1,2,4]triazolo[3,4-b][1,3,4]thiadiazole chemical structure, C18H17N5OS, CAS 1190256-62-2](/s/IYMBEOPXSAJFAR-UHFFFAOYSA-N.svg)
3-(4-Morpholinylmethyl)-6-(2-naphthyl)[1,2,4]triazolo[3,4-b][1,3,4]thiadiazole
CAS 1190256-62-2C18H17N5OS
2-Phenyl-N-(6-(pyrrolidin-1-yl)pyrimidin-4-yl)thiazole-4-carboxamide
CAS 1396765-82-4C18H17N5OS
![1-[[3-(4-Methylphenyl)-1H-pyrazole-5-carbonyl]amino]-3-phenylthiourea chemical structure, C18H17N5OS, CAS 366014-95-1](/s/SHZDUJOCDFFSQY-UHFFFAOYSA-N.svg)
1-[[3-(4-Methylphenyl)-1H-pyrazole-5-carbonyl]amino]-3-phenylthiourea
CAS 366014-95-1C18H17N5OS
![N,N-Dimethyl-4-[6-(phenoxymethyl)-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazol-3-yl]aniline chemical structure, C18H17N5OS, CAS 879761-82-7](/s/QWCXMNZNSKMTLG-UHFFFAOYSA-N.svg)
N,N-Dimethyl-4-[6-(phenoxymethyl)-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazol-3-yl]aniline
CAS 879761-82-7C18H17N5OS
(2-Phenylthiazol-4-yl)(4-(pyrimidin-2-yl)piperazin-1-yl)methanone
CAS 1235334-30-1C18H17N5OS
- (4-Phenylpiperazin-1-yl)(2-(pyrazin-2-yl)thiazol-4-yl)methanone1235057-04-1C18H17N5OS
- N-(1,3-Dihydro-2H-benzimidazol-2-ylidene)-4-propyl-2-(1H-pyrrol-1-yl)-1,3-thiazole-5-carboxamide1246059-72-2C18H17N5OS
- 1-(2,3-Dihydroindol-1-yl)-2-[(4-methyl-5-pyridin-3-yl-1,2,4-triazol-3-yl)sulfanyl]ethanone557064-97-8C18H17N5OS
- 5,10,10-Trimethyl-2-(pyridin-4-yl)-10,11-dihydro-8H-pyrano[4',3':4,5]thieno[3,2-e][1,2,4]triazolo[1,5-c]pyrimidine714202-50-3C18H17N5OS
- 4-(2-Phenylethyl)-6,7,8,9-tetrahydro[1]benzothieno[3,2-e]tetrazolo[1,5-a]pyrimidin-5(4H)-one4812-74-2C18H17N5OS
- 5,10,10-Trimethyl-2-(pyridin-3-yl)-10,11-dihydro-8H-pyrano[4',3':4,5]thieno[3,2-e][1,2,4]triazolo[1,5-c]pyrimidine727674-00-2C18H17N5OS
- 6-[(Mesityloxy)methyl]-3-(4-pyridyl)[1,2,4]triazolo[3,4-b][1,3,4]thiadiazole893691-76-4C18H17N5OS
- N-[2-(1H-1,3-Benzimidazol-2-yl)ethyl]-2-[2-(1H-pyrrol-1-yl)-1,3-thiazol-4-yl]acetamide1170293-77-2C18H17N5OS
- (4-Phenyl-1,2,3-thiadiazol-5-yl)[4-(pyridin-2-yl)piperazin-1-yl]methanone1219561-55-3C18H17N5OS
- N-(2-(2-(1H-Pyrazol-1-yl)thiazol-4-yl)ethyl)-2-(1H-indol-1-yl)acetamide1448064-03-6C18H17N5OS
- 4-[(2-Methoxyphenyl)diazenyl]-3-methyl-5-phenylpyrazole-1-carbothioamide29147-11-3C18H17N5OS
- 4-[(3-Methoxyphenyl)diazenyl]-3-methyl-5-phenylpyrazole-1-carbothioamide29147-12-4C18H17N5OS
- 3-Benzoyl-5-[1-(pyridin-2-yl)piperazin4-yl]-1,2,4-thiadiazole246045-57-8C18H17N5OS
- 7-(4-Isopropylphenyl)-2-(methylthio)pyrido[3,4-e][1,2,4]triazolo[1,5-a]pyrimidin-6(7H)-one1158327-60-6C18H17N5OS
- 5,6-Diethyl-4-(4-{1H-pyrrolo[2,3-b]pyridin-3-yl}-1,3-thiazol-2-yl)-2,3-dihydropyridazin-3-one1445738-23-7C18H17N5OS
- (2-(Methylthio)pyridin-3-yl)(3-(4-phenyl-1H-1,2,3-triazol-1-yl)azetidin-1-yl)methanone2034523-47-0C18H17N5OS
- N-(3-Methylisothiazol-5-yl)-1-(6-phenylpyrimidin-4-yl)azetidine-3-carboxamide2034286-01-4C18H17N5OS
- 1-((5-Cyclopropylpyridin-3-yl)methyl)-3-(4-(pyridin-2-yl)thiazol-2-yl)urea2034313-13-6C18H17N5OS
- 2-(2-Methoxyphenyl)-9-methyl-8,9,10,11-tetrahydropyrido[4',3':4,5]thieno[3,2-e][1,2,4]triazolo[1,5-c]pyrimidine902334-64-9C18H17N5OS
- 1 suppliers1-(1-(Thieno[2,3-d]pyrimidin-4-yl)piperidin-4-yl)-1H-benzo[d]imidazol-2(3H)-one878242-33-2C18H17N5OS
- 1 suppliers1-(1-(Thieno[3,2-d]pyrimidin-4-yl)piperidin-4-yl)-1H-benzo[d]imidazol-2(3H)-one1147509-12-3C18H17N5OS
- N-[3-(1H-Imidazol-1-yl)propyl]-2-(1H-pyrrol-1-yl)-1,3-benzothiazole-6-carboxamide1010931-30-2C18H17N5OS
- 2-[5-(1,3-Thiazol-2-yl)-octahydropyrrolo[3,4-c]pyrrole-2-carbonyl]quinoxaline2640819-09-4C18H17N5OS
- 3-[5-(1-Thiazol-2-ylmethyl-piperidin-2-yl)-[1,2,4]oxadiazol-3-yl]-benzonitrile661458-57-7C18H17N5OS
- 3-[3-(1-Thiazol-2-ylmethyl-piperidin-2-yl)-[1,2,4]oxadiazol-5-yl]-benzonitrile661458-60-2C18H17N5OS
- Acetamide, 2-[(1-methyl-1H-imidazol-2-yl)thio]-N-[4-(2-phenyldiazenyl)phenyl]-454647-93-9C18H17N5OS
- 2-(6-(2-(Isopropylamino)thiazol-5-yl)-[1,2,4]triazolo[4,3-a]pyridin-8-yl)phenol1202276-42-3C18H17N5OS
- 2-[(1-{[1,3]Thiazolo[4,5-c]pyridin-2-yl}piperidin-3-yl)methoxy]pyridine-4-carbonitrile2380178-02-7C18H17N5OS
- 2-[(1-{Thieno[3,2-d]pyrimidin-4-yl}piperidin-3-yl)methoxy]pyridine-4-carbonitrile2380144-39-6C18H17N5OS
- 3-Methyl-2-[3-(2-methylbenzimidazol-1-yl)azetidin-1-yl]thieno[3,2-d]pyrimidin-4-one2770602-24-7C18H17N5OS
- 4-Methoxy-7-methyl-2-(3-{[1,2,4]triazolo[4,3-a]pyridin-3-yl}azetidin-1-yl)-1,3-benzothiazole2877680-44-7C18H17N5OS
- 4-Ethoxy-2-(3-{[1,2,4]triazolo[4,3-a]pyridin-3-yl}azetidin-1-yl)-1,3-benzothiazole2877638-44-1C18H17N5OS
- 6-Ethoxy-2-(3-{[1,2,4]triazolo[4,3-a]pyridin-3-yl}azetidin-1-yl)-1,3-benzothiazole2877648-00-3C18H17N5OS
- 6-[5-(Pyrimidin-2-yl)-octahydropyrrolo[3,4-c]pyrrole-2-carbonyl]-1,3-benzothiazole2415465-52-8C18H17N5OS
- 4-{Pyrazolo[1,5-a]pyrimidin-5-yloxy}-1-{thieno[3,2-c]pyridin-4-yl}piperidine2770639-07-9C18H17N5OS
- 3-[(4-{Thieno[2,3-d]pyrimidin-4-yl}piperazin-1-yl)methyl]-1,2-benzoxazole3030823-60-7C18H17N5OS
- 3-[(4-{[1,3]Thiazolo[4,5-c]pyridin-2-yl}piperazin-1-yl)methyl]-1,2-benzoxazole3030830-42-0C18H17N5OS
- 3-[(4-{Thieno[3,2-d]pyrimidin-4-yl}piperazin-1-yl)methyl]-1,2-benzoxazole3030830-32-8C18H17N5OS
Frequently asked questions
What is the molar mass of C18H17N5OS?
The molar mass of C18H17N5OS is 351.43 g/mol, calculated from standard atomic weights for 18 carbon atoms, 17 hydrogen atoms, 5 nitrogen atoms, 1 oxygen atom and 1 sulfur atom. The monoisotopic mass is 351.1154 Da.
How many compounds have the formula C18H17N5OS?
CompoundList lists 62 compounds with the molecular formula C18H17N5OS, including 5-Methyl-7-(thiophen-2-yl)-2-(m-tolyl)-4,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide, 1-(5,6-Dihydrobenzo[b][1]benzazepin-11-yl)-2-(1-methyltetrazol-5-yl)sulfanylethanone, 2-{[(1-Phenyl-1H-tetrazol-5-yl)thio]acetyl}-1,2,3,4-tetrahydroisoquinoline. 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 C18H17N5OS?
C18H17N5OS has a degree of unsaturation of 13. 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.