Molecular formula
C18H19N3S
69 compounds have this formula on CompoundList.
- Molar mass
- 309.43g/mol
- Monoisotopic mass
- 309.1300Da
- Atoms
- 41
- Elements
- 4
- Rings plus double bonds
- 11
The formula C18H19N3S describes a molecule made of 18 carbon atoms, 19 hydrogen atoms, 3 nitrogen 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 × 1869.87%12.011 × 18 = 216.198 g/mol
- H Hydrogen × 196.19%1.008 × 19 = 19.152 g/mol
- N Nitrogen × 313.58%14.007 × 3 = 42.021 g/mol
- S Sulfur × 110.36%32.06 × 1 = 32.060 g/mol
Look up another formula
Compounds with the formula C18H19N3S
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 69 of 69 compounds
4-Benzyl-1-(thieno(2,3-d)pyrimidin-4-yl)piperidine
CAS 744270-00-6C18H19N3S
4-(4-Methyl-1-piperazinyl)-2-(2-thienyl)quinoline
CAS 156095-20-4C18H19N3S
2-(4-Benzylpiperazin-1-yl)-1,3-benzothiazole
CAS 35463-75-3C18H19N3S
![5-(4-tert-Butyl-phenyl)-4-phenyl-4H-[1,2,4]triazole-3-thiol chemical structure, C18H19N3S, CAS 124998-67-0](/s/CYEYPXVUKBYMES-UHFFFAOYSA-N.svg)
5-(4-tert-Butyl-phenyl)-4-phenyl-4H-[1,2,4]triazole-3-thiol
CAS 124998-67-0C18H19N3S
![6-Methyl-2-[(3-methylphenyl)methylsulfanyl]-7,8-dihydro-5H-1,6-naphthyridine-3-carbonitrile chemical structure, C18H19N3S, CAS 340817-43-8](/s/UYUXSYPCRYPMPS-UHFFFAOYSA-N.svg)
6-Methyl-2-[(3-methylphenyl)methylsulfanyl]-7,8-dihydro-5H-1,6-naphthyridine-3-carbonitrile
CAS 340817-43-8C18H19N3S
![1-[2-(1H-Indol-3-yl)ethyl]-3-(4-methylphenyl)thiourea chemical structure, C18H19N3S, CAS 362502-81-6](/s/HGMZLLBDBHCMRL-UHFFFAOYSA-N.svg)
1-[2-(1H-Indol-3-yl)ethyl]-3-(4-methylphenyl)thiourea
CAS 362502-81-6C18H19N3S
![1-[2-(1H-Indol-3-yl)ethyl]-3-(2-methylphenyl)thiourea chemical structure, C18H19N3S, CAS 431066-73-8](/s/FMAVMFNNPQZHFD-UHFFFAOYSA-N.svg)
1-[2-(1H-Indol-3-yl)ethyl]-3-(2-methylphenyl)thiourea
CAS 431066-73-8C18H19N3S
![2,5-Dimethyl-7-[(2-methylprop-2-en-1-yl)sulfanyl]-3-phenylpyrazolo[1,5-a]pyrimidine chemical structure, C18H19N3S, CAS 850160-19-9](/s/IKCBCRSGPHZSSI-UHFFFAOYSA-N.svg)
2,5-Dimethyl-7-[(2-methylprop-2-en-1-yl)sulfanyl]-3-phenylpyrazolo[1,5-a]pyrimidine
CAS 850160-19-9C18H19N3S
![3-(4-Methylphenyl)-2-phenyltetrahydro-1H,5H-pyrazolo[1,2-a][1,2,4]triazole-1-thione chemical structure, C18H19N3S, CAS 380881-79-8](/s/USGXSIJFMLCDMC-UHFFFAOYSA-N.svg)
3-(4-Methylphenyl)-2-phenyltetrahydro-1H,5H-pyrazolo[1,2-a][1,2,4]triazole-1-thione
CAS 380881-79-8C18H19N3S
N-(2-Ethylphenyl)-5-phenyl-4,5-dihydro-1H-pyrazole-1-carbothioamide
CAS 674353-26-5C18H19N3S
![1-[2-(1H-Indol-3-yl)ethyl]-3-(3-methylphenyl)thiourea chemical structure, C18H19N3S, CAS 428851-71-2](/s/URKBNPLSMNARMA-UHFFFAOYSA-N.svg)
1-[2-(1H-Indol-3-yl)ethyl]-3-(3-methylphenyl)thiourea
CAS 428851-71-2C18H19N3S
1,3-Dibenzyl-1-(2-cyanoethyl)thiourea
CAS 371220-08-5C18H19N3S
![3-Benzyl-3,5,6,7,8,9-hexahydro-4H-cyclohepta[4,5]thieno[2,3-d]pyrimidin-4-imine chemical structure, C18H19N3S, CAS 6518-89-4](/s/PMYOKCVWOQCLBY-UHFFFAOYSA-N.svg)
3-Benzyl-3,5,6,7,8,9-hexahydro-4H-cyclohepta[4,5]thieno[2,3-d]pyrimidin-4-imine
CAS 6518-89-4C18H19N3S
![N-(4-Ethylphenyl)-5,6,7,8-tetrahydro[1]benzothieno[2,3-d]pyrimidin-4-amine chemical structure, C18H19N3S, CAS 848929-00-0](/s/JKAULHONFWFBJL-UHFFFAOYSA-N.svg)
N-(4-Ethylphenyl)-5,6,7,8-tetrahydro[1]benzothieno[2,3-d]pyrimidin-4-amine
CAS 848929-00-0C18H19N3S
4-Methyl-2-(4-(piperidin-1-yl)quinolin-2-yl)thiazole
CAS 853333-53-6C18H19N3S
![N-(2-Phenylethyl)-5,6,7,8-tetrahydro[1]benzothieno[2,3-d]pyrimidin-4-amine chemical structure, C18H19N3S, CAS 313649-37-5](/s/JIAZAZLJYAUUKH-UHFFFAOYSA-N.svg)
N-(2-Phenylethyl)-5,6,7,8-tetrahydro[1]benzothieno[2,3-d]pyrimidin-4-amine
CAS 313649-37-5C18H19N3S
![1-Benzyl-3-[(2-methyl-1H-indol-5-yl)methyl]thiourea chemical structure, C18H19N3S, CAS 852139-45-8](/s/LKAADJPWFVGVQH-UHFFFAOYSA-N.svg)
1-Benzyl-3-[(2-methyl-1H-indol-5-yl)methyl]thiourea
CAS 852139-45-8C18H19N3S
Dibenzo(b,f)(1,4)thiazepine, 11-(4-methyl-1-piperazinyl)-
CAS 1977-09-9C18H19N3S
![N-(1-Phenylethyl)-5,6,7,8-tetrahydro[1]benzothieno[2,3-d]pyrimidin-4-amine chemical structure, C18H19N3S, CAS 63894-48-4](/s/XSCMNQGFHHGUOU-UHFFFAOYSA-N.svg)
N-(1-Phenylethyl)-5,6,7,8-tetrahydro[1]benzothieno[2,3-d]pyrimidin-4-amine
CAS 63894-48-4C18H19N3S
![N-Cyclohexyl-5-phenylthieno[2,3-d]pyrimidin-4-amine chemical structure, C18H19N3S, CAS 301326-26-1](/s/ZZQZIWHZWWSACF-UHFFFAOYSA-N.svg)
N-Cyclohexyl-5-phenylthieno[2,3-d]pyrimidin-4-amine
CAS 301326-26-1C18H19N3S
10H-Phenothiazine-2-carbonitrile, 10-(3-(dimethylamino)propyl)-
CAS 7678-64-0C18H19N3S
3,5-Dip-tolyl-4,5-dihydro-1H-pyrazole-1-carbothioamide
CAS 153332-11-7C18H19N3S
![4-Benzyl-1-{[1,3]thiazolo[5,4-b]pyridin-2-yl}piperidine chemical structure, C18H19N3S, CAS 2109164-82-9](/s/QTRFWGPKWIKOGN-UHFFFAOYSA-N.svg)
4-Benzyl-1-{[1,3]thiazolo[5,4-b]pyridin-2-yl}piperidine
CAS 2109164-82-9C18H19N3S
![4-(4-Methylpiperidin-1-yl)-5-phenylthieno[2,3-d]pyrimidine chemical structure, C18H19N3S, CAS 327971-36-8](/s/LGHDDAZTYXWPNN-UHFFFAOYSA-N.svg)
4-(4-Methylpiperidin-1-yl)-5-phenylthieno[2,3-d]pyrimidine
CAS 327971-36-8C18H19N3S
- N-(3,4-Dimethylphenyl)-5,6,7,8-tetrahydro[1]benzothieno[2,3-d]pyrimidin-4-amine362509-12-4C18H19N3S
- N-(2,4-Dimethylphenyl)-8-thia-4,6-diazatricyclo[7.4.0.0^{2,7}]trideca-1(9),2(7),3,5-tetraen-3-amine306280-97-7C18H19N3S
- 6-Methyl-2-[(2-methylphenyl)methylsulfanyl]-7,8-dihydro-5H-1,6-naphthyridine-3-carbonitrile496804-85-4C18H19N3S
- Ethanamine, N,N-dimethyl-2-((4-phenyl-2-quinazolinyl)thio)-106824-00-4C18H19N3S
- 6-(1-Adamantyl)-3-aminothieno[2,3-b]pyridine-2-carbonitrile105648-33-7C18H19N3S
- (E)-2-((4-(Dimethylamino)benzylidene)amino)-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carbonitrile324059-26-9C18H19N3S
- N-Benzyl-6-methyl-5,6,7,8-tetrahydro-[1]benzothiolo[2,3-d]pyrimidin-4-amine433316-11-1C18H19N3S
- 5-(4-Methylphenyl)-4-piperidin-1-ylthieno[2,3-d]pyrimidine449190-87-8C18H19N3S
- 4-Methyl-3-(3-methylphenyl)-5-[(2-methylphenyl)methylsulfanyl]-1,2,4-triazole896838-60-1C18H19N3S
- 4-Methyl-3-(3-methylphenyl)-5-[(3-methylphenyl)methylsulfanyl]-1,2,4-triazole900283-72-9C18H19N3S
- N,N-Dimethyl-N'-[4-(4-methylphenyl)-1,3-thiazol-2-yl]benzene-1,4-diamine690686-36-3C18H19N3S
- 4-(4-Butylphenyl)-3-phenyl-1H-1,2,4-triazole-5-thione675142-34-4C18H19N3S
- 10H-Phenothiazine-2-carbonitrile, 10-[2-methyl-3-(methylamino)propyl]-108014-19-3C18H19N3S
- 4-Methyl-N-[4-(2,4,5-trimethylphenyl)-1,3-thiazol-2-yl]pyridin-2-amine1116084-33-3C18H19N3S
- 5-(4-tert-Butylphenyl)-1-phenyl-1,2-dihydro-3H-1,2,4-triazole-3-thione1858255-56-7C18H19N3S
- 2-[(3-Pyridinylmethyl)sulfanyl]-5,6,7,8,9,10-hexahydrocycloocta[b]pyridine-3-carbonitrile496804-64-9C18H19N3S
- 5-(4-Methylphenyl)-4-[2-(propan-2-yl)phenyl]-4H-1,2,4-triazole-3-thiol380442-87-5C18H19N3S
- N-(4-Methylbenzyl)-5,6,7,8-tetrahydro[1]benzothieno[2,3-d]pyrimidin-4-amine852407-48-8C18H19N3S
- (3-Dimethylaminomethyl-phenyl)-(5-phenyl-thiazol-2-yl)-amine852045-47-7C18H19N3S
- (E)-N-(Allylcarbamothioyl)-N'-(p-tolyl)benzimidamide897830-63-6C18H19N3S
- 5-Methyl-N-[4-(2,4,5-trimethylphenyl)-1,3-thiazol-2-yl]pyridin-2-amine1116074-35-1C18H19N3S
- 4-(1-Azepanyl)-2-phenylthieno[3,2-d]pyrimidine692737-23-8C18H19N3S
- 2-(1-Phenylsulfanylcyclohexyl)benzotriazole138883-67-7C18H19N3S
- 1-((2-Methyl-1H-indol-5-yl)methyl)-3-(o-tolyl)thiourea852139-48-1C18H19N3S
- 3-(2-Piperazin-1-yl-phenylsulfanyl)-1H-indole874296-10-3C18H19N3S
- 1-[(Naphthalen-2-yl)methyl]-4-(1,3-thiazol-2-yl)piperazine64965-92-0C18H19N3S
- 4-(4-tert-Butylphenyl)-6-(thiophen-2-yl)pyrimidin-2-amine1354923-96-8C18H19N3S
- 3-Benzylsulfanyl-4-(4-ethylphenyl)-5-methyl-1,2,4-triazole663159-02-2C18H19N3S
- N,N-Dimethyl[4-(3-methylphenyl)-5-(2-methyl-4-pyridyl)-1,3-thiazol-2-yl]amine365428-56-4C18H19N3S
- 4-[4-(3-Methylphenyl)-2-propyl-1,3-thiazol-5-yl]-2-pyridylamine303162-47-2C18H19N3S
- N-(6,11-Dihydrodibenzo[b,e]thiepin-11-ylmethyl)-N-(4,5-dihydro-1H-imidazol-2-yl)amine844882-80-0C18H19N3S
- 4-[Piperazin-1-yl(thiophen-2-yl)methyl]quinoline5008-51-5C18H19N3S
- N-Methyl-1-(phenylmethyl)-2-(3-phenyl-2-propen-1-ylidene)hydrazinecarbothioamide157499-45-1C18H19N3S
- 4-[2-Ethyl-4-(3-ethylphenyl)-1,3-thiazol-5-yl]pyridin-2-amine365428-90-6C18H19N3S
- 1-[2-Methyl-2-phenyl-1-(phenylsulfanyl)propyl]-1H-1,2,4-triazole89442-55-7C18H19N3S
- 2-Hydrazinylidene-4,5-diphenyl-3-(propan-2-yl)-2,3-dihydro-1,3-thiazole67644-69-3C18H19N3S
- 2,5-Dimethyl-6-((4-p-tolylthiazol-2-yl)methyl)pyridin-3-amine1421922-57-7C18H19N3S
- 2,5-Dimethyl-4-[[3-(4-methylphenyl)-1,2,4-thiadiazol-5-yl]methyl]benzenamine1421922-36-2C18H19N3S
- 1-Methyl-3-phenyl-5-(phenylthio)-1H-pyrazole-4-ethanamine1017788-09-8C18H19N3S
- 1-(1-Benzothiophen-4-yl)-4-[(pyridin-3-yl)methyl]piperazine2877656-47-6C18H19N3S
- (1E,2Z)-2-Methyl-3-phenyl-2-propenal N-(3-methylphenyl)thiosemicarbazone484662-37-5C18H19N3S
- 4-{[1-(1H-Imidazol-1-yl)-2-methyl-2-phenylpropyl]sulfanyl}pyridine89440-65-3C18H19N3S
- 4,5-Dimethyl-2-[3-(pyridin-2-yl)pyrrolidin-1-yl]-1,3-benzothiazole2770632-89-6C18H19N3S
- 1-[1-(Phenylsulfanyl)cyclohexyl]-1H-1,2,3-benzotriazole138883-74-6C18H19N3S
- N-(4-(Piperidin-1-yl)phenyl)benzo[d]thiazol-2-amine2331125-77-8C18H19N3S
Frequently asked questions
What is the molar mass of C18H19N3S?
The molar mass of C18H19N3S is 309.43 g/mol, calculated from standard atomic weights for 18 carbon atoms, 19 hydrogen atoms, 3 nitrogen atoms and 1 sulfur atom. The monoisotopic mass is 309.1300 Da.
How many compounds have the formula C18H19N3S?
CompoundList lists 69 compounds with the molecular formula C18H19N3S, including 4-Benzyl-1-(thieno(2,3-d)pyrimidin-4-yl)piperidine, 4-(4-Methyl-1-piperazinyl)-2-(2-thienyl)quinoline, 2-(4-Benzylpiperazin-1-yl)-1,3-benzothiazole. 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 C18H19N3S?
C18H19N3S 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.