Molecular formula
C18H19N3OS
170 compounds have this formula on CompoundList.
- Molar mass
- 325.43g/mol
- Monoisotopic mass
- 325.1249Da
- Atoms
- 42
- Elements
- 5
- Rings plus double bonds
- 11
The formula C18H19N3OS describes a molecule made of 18 carbon atoms, 19 hydrogen atoms, 3 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 × 1866.43%12.011 × 18 = 216.198 g/mol
- H Hydrogen × 195.89%1.008 × 19 = 19.152 g/mol
- N Nitrogen × 312.91%14.007 × 3 = 42.021 g/mol
- O Oxygen × 14.92%15.999 × 1 = 15.999 g/mol
- S Sulfur × 19.85%32.06 × 1 = 32.060 g/mol
Look up another formula
Compounds with the formula C18H19N3OS
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 100 of 170 compounds
![3-Amino-N,N-diethyl-6-phenylthieno[2,3-b]pyridine-2-carboxamide chemical structure, C18H19N3OS, CAS 385400-92-0](/s/JSDSEMOEGVFOTF-UHFFFAOYSA-N.svg)
3-Amino-N,N-diethyl-6-phenylthieno[2,3-b]pyridine-2-carboxamide
CAS 385400-92-0C18H19N3OS
9-(((1-Methyl-1H-imidazol-2-yl)sulfanyl)acetyl)-2,3,4,9-tetrahydro-1H-carbazole
CAS 314040-01-2C18H19N3OS
![3-Amino-4,6-dimethyl-N-(2-phenylethyl)thieno[2,3-b]pyridine-2-carboxamide chemical structure, C18H19N3OS, CAS 444150-04-3](/s/AIISJPXSPTYBDO-UHFFFAOYSA-N.svg)
3-Amino-4,6-dimethyl-N-(2-phenylethyl)thieno[2,3-b]pyridine-2-carboxamide
CAS 444150-04-3C18H19N3OS
2-(1,5-Dimethyl-1H-pyrrol-2-yl)-N-(3,5-dimethylphenyl)-1,3-thiazole-4-carboxamide
CAS 1358169-63-7C18H19N3OS
![1-[2-(1H-Indol-3-yl)ethyl]-3-(4-methoxyphenyl)thiourea chemical structure, C18H19N3OS, CAS 362502-79-2](/s/USHGHTOQCIQMRQ-UHFFFAOYSA-N.svg)
1-[2-(1H-Indol-3-yl)ethyl]-3-(4-methoxyphenyl)thiourea
CAS 362502-79-2C18H19N3OS
N,N'-Diphenyl-N'-(4,5,6,7-tetrahydro-1,3-thiazepin-2-yl)urea
CAS 200863-34-9C18H19N3OS
(Z)-2-(4-Methyl-3-phenylthiazol-2(3H)-ylidene)-3-oxo-3-(piperidin-1-yl)propanenitrile
CAS 1164538-74-2C18H19N3OS
4-Benzyl-5-((3,4-dimethylphenoxy)methyl)-4H-1,2,4-triazole-3-thiol
CAS 345991-51-7C18H19N3OS
4-Benzyl-5-(4-ethylphenoxymethyl)-4H-1,2,4-triazole-3-thiol
CAS 483970-24-7C18H19N3OS
![6-Amino-3-ethyl-3-methyl-7-phenyl-8-thioxo-3,4,7,8-tetrahydro-1H-pyrano[3,4-c]pyridine-5-carbonitrile chemical structure, C18H19N3OS, CAS 334506-26-2](/s/REPNPCAXGUGRDF-UHFFFAOYSA-N.svg)
6-Amino-3-ethyl-3-methyl-7-phenyl-8-thioxo-3,4,7,8-tetrahydro-1H-pyrano[3,4-c]pyridine-5-carbonitrile
CAS 334506-26-2C18H19N3OS
![3-Amino-N-(2,3-dimethylphenyl)-4,6-dimethylthieno[2,3-b]pyridine-2-carboxamide chemical structure, C18H19N3OS, CAS 313380-40-4](/s/LLXUBCHMTVDDFO-UHFFFAOYSA-N.svg)
3-Amino-N-(2,3-dimethylphenyl)-4,6-dimethylthieno[2,3-b]pyridine-2-carboxamide
CAS 313380-40-4C18H19N3OS
![N-[(4-Phenylpiperazin-1-yl)carbonothioyl]benzamide chemical structure, C18H19N3OS, CAS 690689-56-6](/s/HAOXWGKZWIWPDU-UHFFFAOYSA-N.svg)
N-[(4-Phenylpiperazin-1-yl)carbonothioyl]benzamide
CAS 690689-56-6C18H19N3OS
![4-[4-(5-Methyl-3-phenyl-4-isoxazolyl)-2-thiazolyl]-piperidine chemical structure, C18H19N3OS, CAS 1070176-30-5](/s/JGNQGLVOXXPGDJ-UHFFFAOYSA-N.svg)
4-[4-(5-Methyl-3-phenyl-4-isoxazolyl)-2-thiazolyl]-piperidine
CAS 1070176-30-5C18H19N3OS
![1-[2-(1H-Indol-3-yl)ethyl]-3-(2-methoxyphenyl)thiourea chemical structure, C18H19N3OS, CAS 430470-75-0](/s/IGCCNGTXITUOTL-UHFFFAOYSA-N.svg)
1-[2-(1H-Indol-3-yl)ethyl]-3-(2-methoxyphenyl)thiourea
CAS 430470-75-0C18H19N3OS
6-Methyl-2-(2-phenoxyethylsulfanyl)-7,8-dihydro-5H-1,6-naphthyridine-3-carbonitrile
CAS 445384-27-0C18H19N3OS
![3-(4-Methoxyphenyl)-2-phenyltetrahydro-1H,5H-pyrazolo[1,2-a][1,2,4]triazole-1-thione chemical structure, C18H19N3OS, CAS 329350-89-2](/s/XZJQYUQMQYZBEJ-UHFFFAOYSA-N.svg)
3-(4-Methoxyphenyl)-2-phenyltetrahydro-1H,5H-pyrazolo[1,2-a][1,2,4]triazole-1-thione
CAS 329350-89-2C18H19N3OS
![1-[(E)-(4-Phenylmethoxyphenyl)methylideneamino]-3-prop-2-enylthiourea chemical structure, C18H19N3OS, CAS 301807-63-6](/s/SCNLBENVNUGTGE-DEDYPNTBSA-N.svg)
1-[(E)-(4-Phenylmethoxyphenyl)methylideneamino]-3-prop-2-enylthiourea
CAS 301807-63-6C18H19N3OS
4-Benzyl-5-(4-ethoxybenzyl)-4H-1,2,4-triazole-3-thiol
CAS 672902-34-0C18H19N3OS
![[1-(5-Phenylthieno[2,3-d]pyrimidin-4-yl)piperidin-3-yl]methanol chemical structure, C18H19N3OS, CAS 568576-07-8](/s/DPNXCAIGIMLFBE-UHFFFAOYSA-N.svg)
[1-(5-Phenylthieno[2,3-d]pyrimidin-4-yl)piperidin-3-yl]methanol
CAS 568576-07-8C18H19N3OS
![3-Methyl-5-[2-(2-methylphenoxy)ethylsulfanyl]-4-phenyl-1,2,4-triazole chemical structure, C18H19N3OS, CAS 701230-26-4](/s/KROKZALZFQYMTH-UHFFFAOYSA-N.svg)
3-Methyl-5-[2-(2-methylphenoxy)ethylsulfanyl]-4-phenyl-1,2,4-triazole
CAS 701230-26-4C18H19N3OS
4-Phenyl-5-((4-propylphenoxy)methyl)-2,4-dihydro-3H-1,2,4-triazole-3-thione
CAS 539808-42-9C18H19N3OS
![8-Oxo-N-phenyl-1,5,6,8-tetrahydro-2H-1,5-methanopyrido[1,2-a][1,5]diazocine-3(4H)-carbothioamide chemical structure, C18H19N3OS, CAS 654052-83-2](/s/CLRWXQOWRPCSIV-UHFFFAOYSA-N.svg)
8-Oxo-N-phenyl-1,5,6,8-tetrahydro-2H-1,5-methanopyrido[1,2-a][1,5]diazocine-3(4H)-carbothioamide
CAS 654052-83-2C18H19N3OS
Nnc 11-1314
CAS 215052-52-1C18H19N3OS
![[4-(1H-Indol-3-ylmethyl)piperazin-1-yl]-thiophen-2-ylmethanone chemical structure, C18H19N3OS, CAS 442651-35-6](/s/BYYCBQLVLVODIO-UHFFFAOYSA-N.svg)
[4-(1H-Indol-3-ylmethyl)piperazin-1-yl]-thiophen-2-ylmethanone
CAS 442651-35-6C18H19N3OS
- 3-(Allyloxy)benzaldehyde N-(3-methylphenyl)thiosemicarbazone769143-30-8C18H19N3OS
- 2-(Allyloxy)benzaldehyde N-(3-methylphenyl)thiosemicarbazone769142-48-5C18H19N3OS
- 1-(Morpholinomethyl)-3-phenyl-benzimidazole-2-thione381193-41-5C18H19N3OS
- 2-((1H-Benzo[d]imidazol-2-yl)thio)-N-isopropyl-N-phenylacetamide305348-11-2C18H19N3OS
- 3-Amino-4,6-dimethyl-N-(1-phenylethyl)thieno[2,3-b]pyridine-2-carboxamide329934-51-2C18H19N3OS
- N-(2-Methyl-5-{[1,3]thiazolo[5,4-B]pyridin-2-YL}phenyl)pentanamide863593-94-6C18H19N3OS
- 1-(2,3-Dimethylindol-1-yl)-2-(4,6-dimethylpyrimidin-2-yl)sulfanylethanone380560-63-4C18H19N3OS
- (4-Methylpiperazin-1-yl)(10H-phenothiazin-10-yl)methanone77502-57-9C18H19N3OS
- 2,6-Dimethyl-4-(5-phenylthieno[2,3-d]pyrimidin-4-yl)morpholine314244-89-8C18H19N3OS
- 2-(3-Cyano-4,6-dimethylpyridin-2-yl)sulfanyl-N-(2,3-dimethylphenyl)acetamide332114-14-4C18H19N3OS
- 1-N-[4-(4-Methoxyphenyl)-1,3-thiazol-2-yl]-4-N,4-N-dimethylbenzene-1,4-diamine315707-08-5C18H19N3OS
- (3-Methyl-6-phenylimidazo[2,1-b]thiazol-2-yl)(piperidin-1-yl)methanone852132-43-5C18H19N3OS
- N-[1-(1H-1,3-Benzodiazol-2-yl)-3-(methylsulfanyl)propyl]benzamide327072-87-7C18H19N3OS
- 3-(4-(Methylthio)phenyl)-2-(pyridin-2-yl)hexahydro-1H-pyrrolo[1,2-c]imidazol-1-one1094831-27-2C18H19N3OS
- N-((1H-Benzo[d]imidazol-2-yl)methyl)-1-(thiophen-2-yl)cyclopentanecarboxamide1203068-88-5C18H19N3OS
- 8-(4-(3-Phenylprop-2-ynoxy)-1,2,5-thiadiazol-3-yl)-1-azabicyclo(2.2.2)octane376395-00-5C18H19N3OS
- 4-Methoxy-2-(4-phenylpiperazin-1-yl)-1,3-benzothiazole862977-04-6C18H19N3OS
- 1-(4-tert-Butylphenyl)-2-([1,2,4]triazolo[4,3-a]pyridin-3-ylsulfanyl)ethanone690646-30-1C18H19N3OS
- 2-(4-(2-Methoxyphenyl)piperazin-1-yl)benzo[d]thiazole155106-70-0C18H19N3OS
- 4-(Dimethylamino)-N-(4,7-dimethylbenzo[d]thiazol-2-yl)benzamide868230-94-8C18H19N3OS
- 2-{5-[(5-Phenylpentyl)sulfanyl]-1,3,4-oxadiazol-2-YL}pyridine832077-71-1C18H19N3OS
- 4-Phenyl-3-[(4-propan-2-yloxyphenyl)methyl]-1H-1,2,4-triazole-5-thione69198-34-1C18H19N3OS
- N-(4-Ethoxyphenyl)-5,6,7,8-tetrahydro-[1]benzothiolo[2,3-d]pyrimidin-4-amine433244-14-5C18H19N3OS
- Acetamide, 2-(1H-benzimidazol-2-ylthio)-N-(2,4,6-trimethylphenyl)-83408-87-1C18H19N3OS
- (1)Benzothieno(2,3-d)pyrimidin-4(3H)-one, 5,6,7,8-tetrahydro-3-amino-6-methyl-2-(phenylmethyl)-120354-25-8C18H19N3OS
- 3-(1,3-Benzothiazol-2-yl)-1-(4-phenylbutyl)urea2101950-91-6C18H19N3OS
- 5-[(3-Ethyl-5-methylphenoxy)methyl]-4-phenyl-4H-1,2,4-triazole-3-thiol345988-46-7C18H19N3OS
- 3-Amino-N-(2,4-dimethylphenyl)-4,6-dimethylthieno[2,3-b]pyridine-2-carboxamide332949-84-5C18H19N3OS
- 2-(1-Ethylbenzimidazol-2-yl)sulfanyl-N-(4-methylphenyl)acetamide347341-33-7C18H19N3OS
- 3-Amino-N-(4-ethylphenyl)-4,6-dimethylthieno[2,3-b]pyridine-2-carboxamide332949-83-4C18H19N3OS
- (1)Benzothieno(2,3-d)pyrimidin-4(3H)-one, 5,6,7,8-tetrahydro-2-(((phenylmethyl)amino)methyl)-20886-94-6C18H19N3OS
- 3-Amino-N-ethyl-4,6-dimethyl-N-phenylthieno[2,3-b]pyridine-2-carboxamide691866-96-3C18H19N3OS
- 2-Amino-3-cyano-7,9-dimethyl-4H-pyrano[2',3':4,5]thieno[2,3-b]pyridine-4-spiro-4'-cyclohexane385392-87-0C18H19N3OS
- N-Ethyl-2-[(6-methyl-1H-benzimidazol-2-yl)sulfanyl]-N-phenylacetamide474072-45-2C18H19N3OS
- 2-[(3-Cyano-4,6-dimethylpyridin-2-yl)sulfanyl]-N-(1-phenylethyl)acetamide371138-50-0C18H19N3OS
- 4-Methylbenzyl N'-cyano-N-(4-ethoxyphenyl)carbamimidothioate445385-63-7C18H19N3OS
- 6-Methyl-3-[3-(4-methylphenyl)-1,2,4-oxadiazol-5-yl]-4,5,6,7-tetrahydro-1-benzothiophen-2-amine1179393-45-3C18H19N3OS
- 2-Methylbenzyl N'-cyano-N-(4-ethoxyphenyl)carbamimidothioate445385-62-6C18H19N3OS
- 5-[(2,6-Dimethylphenoxy)methyl]-4-(4-methylphenyl)-4H-1,2,4-triazole-3-thiol64013-55-4C18H19N3OS
- (E)-4-(Dimethylamino)-N-(3,6-dimethylbenzo[d]thiazol-2(3H)-ylidene)benzamide441289-54-9C18H19N3OS
- N-Cyclopentyl-3-methyl-6-phenylimidazo[2,1-b][1,3]thiazole-2-carboxamide852133-25-6C18H19N3OS
- 2-(1H-Benzimidazol-2-ylsulfanyl)-N-(2-ethyl-6-methylphenyl)acetamide361983-49-5C18H19N3OS
- 3-(4-Butoxyphenyl)-4-phenyl-1H-1,2,4-triazole-5-thione431893-54-8C18H19N3OS
- 3-[(2,5-Dimethyl-3-phenylpyrazolo[1,5-a]pyrimidin-7-yl)sulfanyl]butan-2-one850825-78-4C18H19N3OS
- 4-(Dimethylamino)-N-(4,5-dimethylbenzo[d]thiazol-2-yl)benzamide864860-85-5C18H19N3OS
- 4-(Dimethylamino)-N-(4,6-dimethylbenzo[d]thiazol-2-yl)benzamide441289-53-8C18H19N3OS
- N-(1-Cyano-1-cyclopropylethyl)-2-((4-methylquinolin-2-yl)thio)acetamide796127-48-5C18H19N3OS
- N-Cyclopropyl-2-methyl-N-[2-(thiophen-2-yl)ethyl]imidazo[1,2-A]pyridine-3-carboxamide1421458-09-4C18H19N3OS
- N-(3-(2-Phenyl-1H-imidazol-1-yl)propyl)-2-(thiophen-2-yl)acetamide1421461-70-2C18H19N3OS
- N-(Pyrazolo[1,5-a]pyridin-3-ylmethyl)-1-(thiophen-2-yl)cyclopentanecarboxamide1396558-78-3C18H19N3OS
- 2-(Benzylsulfanyl)-1-{4,6,12-triazatricyclo[7.2.1.0^{2,7}]dodeca-2(7),3,5-trien-12-yl}ethan-1-one2058729-84-1C18H19N3OS
- 3-(Phenylthio)-1-((5R,8S)-6,7,8,9-tetrahydro-5H-5,8-epiminocyclohepta[d]pyrimidin-10-yl)propan-1-one2058502-38-6C18H19N3OS
- (2E)-N-{[4-(Dimethylamino)phenyl]carbamothioyl}-3-phenylprop-2-enamide114170-99-9C18H19N3OS
- 2-[(3-Methoxybenzyl)sulfanyl]-6-methyl-5,6,7,8-tetrahydro[1,6]naphthyridine-3-carbonitrile496018-71-4C18H19N3OS
- 2-{[4-(tert-Butyl)benzyl]sulfanyl}-4H-pyrido[1,2-a][1,3,5]triazin-4-one303145-16-6C18H19N3OS
- 3-Methyl-4-(3-methylphenyl)-5-(2-phenoxyethylsulfanyl)-1,2,4-triazole663210-04-6C18H19N3OS
- 2-[(6-Methyl-1H-benzimidazol-2-yl)sulfanyl]-N-[(4-methylphenyl)methyl]acetamide852413-77-5C18H19N3OS
- Ethanethioic acid, ((2,4,6-trimethylphenyl)amino)-, S-1H-benzimidazol-2-yl ester83408-80-4C18H19N3OS
- (3,4-Dimethylphenyl)-[2-(pyridin-3-ylmethylsulfanyl)-4,5-dihydroimidazol-1-yl]methanone851807-38-0C18H19N3OS
- (3,5-Dimethylphenyl)(2-((pyridin-3-ylmethyl)thio)-4,5-dihydro-1H-imidazol-1-yl)methanone851807-37-9C18H19N3OS
- 3-[(2,6-Dimethylphenoxy)methyl]-4-(2-methylphenyl)-1H-1,2,4-triazole-5-thione64013-54-3C18H19N3OS
- N-(4-{Imidazo[2,1-b][1,3]thiazol-6-yl}phenyl)cyclohexanecarboxamide851473-15-9C18H19N3OS
- 3-Methyl-N-(2-methyl-5-{[1,3]thiazolo[5,4-b]pyridin-2-yl}phenyl)butanamide912622-59-4C18H19N3OS
- N-(1-Cyanocyclohexyl)-2-(quinolin-2-ylsulfanyl)acetamide923832-40-0C18H19N3OS
- 2,3-Dimethyl-N-(4,5,6,7-tetrahydro-1,3-benzothiazol-2-yl)-1H-indole-5-carboxamide883488-92-4C18H19N3OS
- 8-(4-tert-Butylphenyl)-6-oxo-3,4-dihydro-2H,6H-pyrimido[2,1-b][1,3]thiazine-7-carbonitrile927964-07-6C18H19N3OS
- 4-Phenethyl-5-((p-tolyloxy)methyl)-4H-1,2,4-triazole-3-thiol917561-90-1C18H19N3OS
- 5-((4-Ethylphenoxy)methyl)-4-(p-tolyl)-4H-1,2,4-triazole-3-thiol917748-20-0C18H19N3OS
- N-(3-(Imidazo[2,1-b]thiazol-6-yl)phenyl)cyclohexanecarboxamide893969-01-2C18H19N3OS
- 1-(1-Ethyl-1H-indol-3-yl)-3-(2-(methylthio)phenyl)urea899990-93-3C18H19N3OS
- N-((4-Methyl-2-(o-tolyl)thiazol-5-yl)methyl)-2-(1H-pyrrol-1-yl)acetamide1448066-20-3C18H19N3OS
- 2-(4-(Isopropylthio)phenyl)-N-(pyrazolo[1,5-a]pyridin-5-yl)acetamide2034547-80-1C18H19N3OS
- 1-[2-(1H-Indol-3-yl)ethyl]-3-(3-methoxyphenyl)thiourea431915-36-5C18H19N3OS
- 3-Amino-N-benzyl-N,4,6-trimethylthieno[2,3-b]pyridine-2-carboxamide696653-40-4C18H19N3OS
- 2-Cyano-N-[4-(4-cyclohexylphenyl)-1,3-thiazol-2-yl]acetamide750599-38-3C18H19N3OS
- N-(3-Cyano-4,5,6,7-tetrahydro-1-benzothiophen-2-yl)-4-(dimethylamino)benzamide476295-51-9C18H19N3OS
Frequently asked questions
What is the molar mass of C18H19N3OS?
The molar mass of C18H19N3OS is 325.43 g/mol, calculated from standard atomic weights for 18 carbon atoms, 19 hydrogen atoms, 3 nitrogen atoms, 1 oxygen atom and 1 sulfur atom. The monoisotopic mass is 325.1249 Da.
How many compounds have the formula C18H19N3OS?
CompoundList lists 170 compounds with the molecular formula C18H19N3OS, including 3-Amino-N,N-diethyl-6-phenylthieno[2,3-b]pyridine-2-carboxamide, 9-(((1-Methyl-1H-imidazol-2-yl)sulfanyl)acetyl)-2,3,4,9-tetrahydro-1H-carbazole, 3-Amino-4,6-dimethyl-N-(2-phenylethyl)thieno[2,3-b]pyridine-2-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 C18H19N3OS?
C18H19N3OS has a degree of unsaturation of 11. 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.