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 101 to 170 of 170 compounds
![1,3,4-Thiadiazol-2-amine, 5-[[4-(1-methyl-1-phenylethyl)phenoxy]methyl]- chemical structure, C18H19N3OS, CAS 299936-97-3](/s/XNSBCWXWJROPJT-UHFFFAOYSA-N.svg)
1,3,4-Thiadiazol-2-amine, 5-[[4-(1-methyl-1-phenylethyl)phenoxy]methyl]-
CAS 299936-97-3C18H19N3OS
![1-[4-(Dimethylamino)phenyl]-3-{2,6-dimethylimidazo[2,1-b][1,3]thiazol-5-yl}prop-2-en-1-one chemical structure, C18H19N3OS, CAS 1111591-52-6](/s/OXJYHHMGRYIMIJ-MDZDMXLPSA-N.svg)
1-[4-(Dimethylamino)phenyl]-3-{2,6-dimethylimidazo[2,1-b][1,3]thiazol-5-yl}prop-2-en-1-one
CAS 1111591-52-6C18H19N3OS
4-Ethyl-N-(3-methylbenzyl)-2-(1H-pyrrol-1-yl)thiazole-5-carboxamide
CAS 1251568-59-8C18H19N3OS
N-(2-Isopropylphenyl)-1-methyl-3-(thiophen-2-yl)-1H-pyrazole-5-carboxamide
CAS 1219845-01-8C18H19N3OS
![(2-Methylimidazo[1,2-a]pyridin-3-yl)(4-(thiophen-2-yl)piperidin-1-yl)methanone chemical structure, C18H19N3OS, CAS 1421463-17-3](/s/DIWBTVPWBZRZGE-UHFFFAOYSA-N.svg)
(2-Methylimidazo[1,2-a]pyridin-3-yl)(4-(thiophen-2-yl)piperidin-1-yl)methanone
CAS 1421463-17-3C18H19N3OS
N-(4-(3,4-Dihydroisoquinolin-2(1H)-yl)but-2-yn-1-yl)-2-methylthiazole-4-carboxamide
CAS 1351634-23-5C18H19N3OS
1-(4-(3,4-Dihydroisoquinolin-2(1H)-yl)but-2-yn-1-yl)-3-(thiophen-2-yl)urea
CAS 1351589-62-2C18H19N3OS
![3-Phenyl-N-{2-[3-(thiophen-3-yl)-1H-pyrazol-1-yl]ethyl}propanamide chemical structure, C18H19N3OS, CAS 2034235-62-4](/s/WJZLFPKLYHSDCA-UHFFFAOYSA-N.svg)
3-Phenyl-N-{2-[3-(thiophen-3-yl)-1H-pyrazol-1-yl]ethyl}propanamide
CAS 2034235-62-4C18H19N3OS
![Benzo[b]thiophen-2-yl(3-(1-methyl-1H-pyrazol-3-yl)piperidin-1-yl)methanone chemical structure, C18H19N3OS, CAS 2034610-31-4](/s/QEHBUQAVENAADT-UHFFFAOYSA-N.svg)
Benzo[b]thiophen-2-yl(3-(1-methyl-1H-pyrazol-3-yl)piperidin-1-yl)methanone
CAS 2034610-31-4C18H19N3OS
![1-(3-(2-Methyl-1H-benzo[d]imidazol-1-yl)pyrrolidin-1-yl)-2-(thiophen-3-yl)ethanone chemical structure, C18H19N3OS, CAS 2034560-66-0](/s/BAIWXVXJUMJBMU-UHFFFAOYSA-N.svg)
1-(3-(2-Methyl-1H-benzo[d]imidazol-1-yl)pyrrolidin-1-yl)-2-(thiophen-3-yl)ethanone
CAS 2034560-66-0C18H19N3OS
![(3-(2-Methyl-1H-benzo[d]imidazol-1-yl)pyrrolidin-1-yl)(5-methylthiophen-2-yl)methanone chemical structure, C18H19N3OS, CAS 2034385-52-7](/s/UDPYZKORUBEZIQ-UHFFFAOYSA-N.svg)
(3-(2-Methyl-1H-benzo[d]imidazol-1-yl)pyrrolidin-1-yl)(5-methylthiophen-2-yl)methanone
CAS 2034385-52-7C18H19N3OS
![(1R,5R)-1,5,6,8-Tetrahydro-8-oxo-N-phenyl-1,5-methano-2H-pyrido[1,2-a][1,5]diazocine-3(4H)-carbothioamide chemical structure, C18H19N3OS, CAS 26003-12-3](/s/CLRWXQOWRPCSIV-UONOGXRCSA-N.svg)
(1R,5R)-1,5,6,8-Tetrahydro-8-oxo-N-phenyl-1,5-methano-2H-pyrido[1,2-a][1,5]diazocine-3(4H)-carbothioamide
CAS 26003-12-3C18H19N3OS
N-Benzoyl-N'-(6-methyl-1,2,3,4-tetrahydro-5-quinolinyl)thiourea
CAS 866017-52-9C18H19N3OS
![5-(4-Methoxyphenyl)-4-[2-(propan-2-yl)phenyl]-4H-1,2,4-triazole-3-thiol chemical structure, C18H19N3OS, CAS 380349-20-2](/s/TYDJBLSGEMFBIB-UHFFFAOYSA-N.svg)
5-(4-Methoxyphenyl)-4-[2-(propan-2-yl)phenyl]-4H-1,2,4-triazole-3-thiol
CAS 380349-20-2C18H19N3OS
N-(1-Cyclohexylbenzimidazol-5-yl)thiophene-2-carboxamide
CAS 831237-53-7C18H19N3OS
Phenol, 2-(5-(butylthio)-4-phenyl-4H-1,2,4-triazol-3-yl)-
CAS 81518-37-8C18H19N3OS
(1)Benzothieno(2,3-d)pyrimidin-4(3H)-one, 5,6,7,8-tetrahydro-3-amino-7-methyl-2-(phenylmethyl)-
CAS 120354-26-9C18H19N3OS
4H-Cyclohepta(4,5)thieno(2,3-d)pyrimidin-4-one, 3,5,6,7,8,9-hexahydro-3-amino-2-(phenylmethyl)-
CAS 120354-27-0C18H19N3OS
![2-Ethyl-N-(4-(thiazolo[5,4-b]pyridin-2-yl)phenyl)butanamide chemical structure, C18H19N3OS, CAS 863588-98-1](/s/PPISOZPJGKJAKW-UHFFFAOYSA-N.svg)
2-Ethyl-N-(4-(thiazolo[5,4-b]pyridin-2-yl)phenyl)butanamide
CAS 863588-98-1C18H19N3OS
N-Ethyl-2-(methylthio)-N-phenyl-1H-benzimidazole-1-acetamide
CAS 737816-55-6C18H19N3OS
![7-Methyl-2-[(Z)-2-phenylethenyl]-1,2,3,5,6,8-hexahydropyrido[2,3]thieno[2,4-d]pyrimidin-4-one chemical structure, C18H19N3OS, CAS 352666-55-8](/s/LDTFDSOEKZQFEV-BQYQJAHWSA-N.svg)
7-Methyl-2-[(Z)-2-phenylethenyl]-1,2,3,5,6,8-hexahydropyrido[2,3]thieno[2,4-d]pyrimidin-4-one
CAS 352666-55-8C18H19N3OS
6-Methoxy-2-(4-phenylpiperazin-1-yl)-1,3-benzothiazole
CAS 863000-98-0C18H19N3OS
![Azepan-1-yl[2-(1H-pyrrol-1-yl)-1,3-benzothiazol-6-yl]methanone chemical structure, C18H19N3OS, CAS 929843-68-5](/s/QLPWXBKDIWYNMQ-UHFFFAOYSA-N.svg)
Azepan-1-yl[2-(1H-pyrrol-1-yl)-1,3-benzothiazol-6-yl]methanone
CAS 929843-68-5C18H19N3OS
4-Cyano-N-(2-(pyrrolidin-1-yl)-2-(thiophen-3-yl)ethyl)benzamide
CAS 954647-20-2C18H19N3OS
- 4-Phenethyl-5-((o-tolyloxy)methyl)-4H-1,2,4-triazole-3-thiol917561-64-9C18H19N3OS
- N-(4-(3-Methylimidazo[2,1-b]thiazol-6-yl)phenyl)cyclopentanecarboxamide527752-50-7C18H19N3OS
- N-(Benzo[d]thiazol-2-yl)-N-(pyridin-2-ylmethyl)pentanamide886903-90-8C18H19N3OS
- N-(Benzo[d]thiazol-2-yl)-N-(pyridin-2-ylmethyl)pivalamide886903-95-3C18H19N3OS
- N-[3-(Benzylamino)propyl]-1,3-benzothiazole-2-carboxamide1120264-76-7C18H19N3OS
- 2-(4-(4-Methylbenzo[d]thiazol-2-yl)piperazin-1-yl)phenol1219844-69-5C18H19N3OS
- N-(Cyanomethyl)-2-[[2,3-dihydro-1H-inden-5-yl(thiophen-2-yl)methyl]amino]acetamide1645468-32-1C18H19N3OS
- 1-(3-(2-Methyl-1H-benzo[d]imidazol-1-yl)pyrrolidin-1-yl)-2-(thiophen-2-yl)ethanone2034384-72-8C18H19N3OS
- (3-(2-Methyl-1H-benzo[d]imidazol-1-yl)pyrrolidin-1-yl)(3-methylthiophen-2-yl)methanone2034421-92-4C18H19N3OS
- N-(2-(1H-Pyrazol-1-yl)-2-(thiophen-3-yl)ethyl)-3-phenylpropanamide2034348-28-0C18H19N3OS
- N-(2-(3,5-Dimethyl-4-phenyl-1H-pyrazol-1-yl)ethyl)thiophene-2-carboxamide2034327-18-7C18H19N3OS
- N-[2-(3,5-Dimethyl-4-phenyl-1H-pyrazol-1-yl)ethyl]thiophene-3-carboxamide2034327-38-1C18H19N3OS
- N-(2-(3,5-Dimethyl-4-(thiophen-2-yl)-1H-pyrazol-1-yl)ethyl)benzamide2034554-92-0C18H19N3OS
- N-{1-[(Thiophen-3-yl)methyl]pyrrolidin-3-yl}-1H-indole-2-carboxamide2097912-40-6C18H19N3OS
- N-[4-(1H-Pyrazol-1-yl)cyclohexyl]-1-benzothiophene-2-carboxamide2097917-84-3C18H19N3OS
- 5-Imino-4-(4-methyl-1,3-thiazol-2-yl)-1-(1,2,3,4-tetrahydronaphthalen-1-yl)-2,5-dihydro-1H-pyrrol-3-ol951951-72-7C18H19N3OS
- Phenol, 2-(4-(2-methylphenyl)-5-(propylthio)-4H-1,2,4-triazol-3-yl)-81518-46-9C18H19N3OS
- 1-(4-Isothiocyanatophenyl)-4-(4-methoxyphenyl)piperazine74852-63-4C18H19N3OS
- 6-Cyclopropyl-N-(2,3-dihydro-1H-inden-5-yl)-2-(methylsulfanyl)pyrimidine-4-carboxamide1147709-68-9C18H19N3OS
- N-[2-Methyl-3-[[(phenylamino)thioxomethyl]amino]phenyl]cyclopropanecarboxamide1158289-08-7C18H19N3OS
- N-((1-Methyl-5-(thiophen-2-yl)-1H-pyrazol-3-yl)methyl)-3-phenylpropanamide1421512-88-0C18H19N3OS
- 3-Cyano-N-((4-cyclohexylthiazol-2-yl)methyl)benzamide2034490-40-7C18H19N3OS
- 2-(3-Methylphenyl)-N-[2-(1H-pyrazol-1-yl)-2-(thiophen-3-yl)ethyl]acetamide2034595-30-5C18H19N3OS
- N-[Cyano-(4-ethylphenyl)methyl]-3-ethylsulfanylpyridine-2-carboxamide2418730-71-7C18H19N3OS
- (E)-N-[[3-(5-Cyanothiophen-2-yl)phenyl]methyl]-4-(dimethylamino)but-2-enamide2411337-33-0C18H19N3OS
- 2-Methyl-N-{2-[5-(1-methyl-1H-pyrazol-4-yl)thiophen-2-yl]ethyl}benzamide2640976-70-9C18H19N3OS
- N-(4-tert-Butyl-1,3-thiazol-2-yl)-2-cyano-3-(4-methylphenyl)prop-2-enamide852026-76-7C18H19N3OS
- Urea, (2,6-dimethylphenyl)(4-methyl-2H-1,4-benzothiazin-3(4H)-ylidene)-108176-80-3C18H19N3OS
- 2-(Benzyl(methyl)amino)-N-(3-cyano-5,6-dihydro-4H-cyclopenta[b]thiophen-2-yl)acetamide923909-66-4C18H19N3OS
- N-[2-(Cyclopentyloxy)phenyl]-5-methylthieno[2,3-d]pyrimidin-4-amine917906-35-5C18H19N3OS
- N-[Anilino(phenyl)methylidene]morpholine-4-carbothioamide5093-29-8C18H19N3OS
- N-{[1-Methyl-3-(thiophen-2-yl)-1H-pyrazol-5-yl]methyl}-3-phenylpropanamide2309748-50-1C18H19N3OS
- 2-{3-[(Pyridin-4-yloxy)methyl]piperidin-1-yl}-1,3-benzothiazole2380085-73-2C18H19N3OS
- 10H-Phenothiazine-10-propanoic acid, 2-propylidenehydrazide4368-84-7C18H19N3OS
- 4-{[2-Methyl-2-phenyl-1-(1H-1,2,4-triazol-1-yl)propyl]sulfanyl}phenol89440-23-3C18H19N3OS
- 2-{(E)-[4-(Diethylamino)phenyl]diazenyl}-1-benzothiophen-3(2H)-one64180-20-7C18H19N3OS
- N-(2-(2-(tert-Butyl)phenoxy)pyridin-3-yl)thiazol-2-amine901304-61-8C18H19N3OS
- 5-(2-(2-(4-Methoxyphenyl)propan-2-yl)pyridin-4-yl)thiazol-2-amine1395492-62-2C18H19N3OS
- 5-Benzo[b]thiophen-3-ylmethylene-2-(3-methyl-piperidin-1-yl)-3,5-dihydro-imidazol-4-one1312024-76-2C18H19N3OS
- N-{2-[4-(1-Methyl-1H-pyrazol-4-yl)phenyl]ethyl}-2-(thiophen-3-yl)acetamide2548987-22-8C18H19N3OS
- 1-(2-Methoxyphenyl)-4-{thieno[3,2-c]pyridin-4-yl}piperazine2741923-88-4C18H19N3OS
- 1-(3-Methoxyphenyl)-4-{thieno[3,2-c]pyridin-4-yl}piperazine2742079-50-9C18H19N3OS
- 1-{[1-(1-Benzothiophene-2-carbonyl)azetidin-3-yl]methyl}-2-ethyl-1H-imidazole2742054-36-8C18H19N3OS
- 4-Methoxy-7-methyl-2-[3-(pyridin-2-yl)pyrrolidin-1-yl]-1,3-benzothiazole2770594-83-5C18H19N3OS
- 4-Ethoxy-2-[3-(pyridin-2-yl)pyrrolidin-1-yl]-1,3-benzothiazole2770619-93-5C18H19N3OS
- 2-(4-Methoxybenzyl)-5,6,7,8-tetrahydrobenzo[4,5]thieno[2,3-d]pyrimidin-4-amine2815180-77-7C18H19N3OS
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 1,3,4-Thiadiazol-2-amine, 5-[[4-(1-methyl-1-phenylethyl)phenoxy]methyl]-, 1-[4-(Dimethylamino)phenyl]-3-{2,6-dimethylimidazo[2,1-b][1,3]thiazol-5-yl}prop-2-en-1-one, 4-Ethyl-N-(3-methylbenzyl)-2-(1H-pyrrol-1-yl)thiazole-5-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.