Molecular formula
C18H19N3O
311 compounds have this formula on CompoundList.
- Molar mass
- 293.37g/mol
- Monoisotopic mass
- 298.1842Da
- Atoms
- 41
- Elements
- 4
- Rings plus double bonds
- 11
The formula C18H19N3O describes a molecule made of 18 carbon atoms, 19 hydrogen atoms, 3 nitrogen atoms and 1 oxygen 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 × 1873.69%12.011 × 18 = 216.198 g/mol
- H Hydrogen × 196.53%1.008 × 19 = 19.152 g/mol
- N Nitrogen × 314.32%14.007 × 3 = 42.021 g/mol
- O Oxygen × 15.45%15.999 × 1 = 15.999 g/mol
Look up another formula
Compounds with the formula C18H19N3O
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 101 to 200 of 311 compounds
(S)-2-Amino-N-benzyl-3-(1H-indol-3-yl)propanamide
CAS 125009-81-6C18H19N3O
1-(2-Ethoxyphenyl)-3-methyl-4-phenyl-1H-pyrazol-5-amine
CAS 955964-14-4C18H19N3O
![N-[2-(1-Ethylbenzimidazol-2-yl)ethyl]benzamide chemical structure, C18H19N3O, CAS 686736-13-0](/s/PWMGBXLRFOPLOR-UHFFFAOYSA-N.svg)
N-[2-(1-Ethylbenzimidazol-2-yl)ethyl]benzamide
CAS 686736-13-0C18H19N3O
![2-[1-(Phenethylamino)ethyl]-4(3H)-quinazolinone chemical structure, C18H19N3O, CAS 143993-21-9](/s/IORILOKNTLZJQO-UHFFFAOYSA-N.svg)
2-[1-(Phenethylamino)ethyl]-4(3H)-quinazolinone
CAS 143993-21-9C18H19N3O
![N-[4-(1H-Benzimidazol-2-yl)phenyl]-2,2-dimethylpropanamide chemical structure, C18H19N3O, CAS 295347-96-5](/s/MOIKJDYPBQUHIS-UHFFFAOYSA-N.svg)
N-[4-(1H-Benzimidazol-2-yl)phenyl]-2,2-dimethylpropanamide
CAS 295347-96-5C18H19N3O
![3-Methyl-N-[2-(1-methylbenzimidazol-2-yl)ethyl]benzamide chemical structure, C18H19N3O, CAS 850922-06-4](/s/ZCBFAFDAHKTURJ-UHFFFAOYSA-N.svg)
3-Methyl-N-[2-(1-methylbenzimidazol-2-yl)ethyl]benzamide
CAS 850922-06-4C18H19N3O
N-(1-(1H-1,3-Benzimidazol-2-yl)-2-methylpropyl)benzenecarboxamide
CAS 25810-60-0C18H19N3O
2-Amino-3-(1H-indol-3-yl)-N-(4-methylphenyl)propanamide
CAS 1031349-21-9C18H19N3O
2-(4-tert-Butylphenyl)-3,4-dihydro-5H-1,3,4-benzotriazepin-5-one
CAS 1374509-71-3C18H19N3O
![N-[4-(1H-Benzimidazol-2-yl)phenyl]-3-methylbutanamide chemical structure, C18H19N3O, CAS 294891-50-2](/s/DJQOTADTAGRBGP-UHFFFAOYSA-N.svg)
N-[4-(1H-Benzimidazol-2-yl)phenyl]-3-methylbutanamide
CAS 294891-50-2C18H19N3O
3-Amino-2-(4-tert-butylphenyl)-4(3H)-quinazolinone
CAS 667889-47-6C18H19N3O
![4-[2-(Methylamino)ethyl]-2,5-diphenyl-1,2-dihydro-3H-pyrazol-3-one chemical structure, C18H19N3O, CAS 878208-94-7](/s/VTQBWWZVRJELQL-UHFFFAOYSA-N.svg)
4-[2-(Methylamino)ethyl]-2,5-diphenyl-1,2-dihydro-3H-pyrazol-3-one
CAS 878208-94-7C18H19N3O
7-Methyl-2-(2-methylindolinyl)-6,7,8-trihydroquinazolin-5-one
CAS 1030582-89-8C18H19N3O
![N-[4-(8-Methylimidazo[1,2-a]pyridin-2-yl)phenyl]butanamide chemical structure, C18H19N3O, CAS 691392-83-3](/s/NQBVOUGQJBQVNG-UHFFFAOYSA-N.svg)
N-[4-(8-Methylimidazo[1,2-a]pyridin-2-yl)phenyl]butanamide
CAS 691392-83-3C18H19N3O
![6,8-Dimethyl-3-{[(pyridin-3-ylmethyl)-amino]-methyl}-1H-quinolin-2-one chemical structure, C18H19N3O, CAS 436087-70-6](/s/IPDKXQAMMQOZEC-UHFFFAOYSA-N.svg)
6,8-Dimethyl-3-{[(pyridin-3-ylmethyl)-amino]-methyl}-1H-quinolin-2-one
CAS 436087-70-6C18H19N3O
2-(4-Methoxyphenyl)-N-propylquinazolin-4-amine
CAS 890615-69-7C18H19N3O
6-Methyl-8-(1,2-oxazol-3-yl)ergoline
CAS 116979-31-8C18H19N3O
![2-{Methyl[4-(4-methylphenyl)quinazolin-2-yl]amino}ethan-1-ol chemical structure, C18H19N3O, CAS 1007722-81-7](/s/VWHSSNCVZDBMIM-UHFFFAOYSA-N.svg)
2-{Methyl[4-(4-methylphenyl)quinazolin-2-yl]amino}ethan-1-ol
CAS 1007722-81-7C18H19N3O
Ondansetron-13C,d3
CAS 2699607-85-5C18H19N3O
![N-[3-(1H-Benzimidazol-2-yl)-2-methylphenyl]-2-methylpropanamide chemical structure, C18H19N3O, CAS 439137-63-0](/s/WBCRHZNMEJIWMN-UHFFFAOYSA-N.svg)
N-[3-(1H-Benzimidazol-2-yl)-2-methylphenyl]-2-methylpropanamide
CAS 439137-63-0C18H19N3O
![6-Ethyl-3-{[(pyridin-3-ylmethyl)-amino]-methyl}-1H-quinolin-2-one chemical structure, C18H19N3O, CAS 436087-69-3](/s/FYYAGFXAHPEHIR-UHFFFAOYSA-N.svg)
6-Ethyl-3-{[(pyridin-3-ylmethyl)-amino]-methyl}-1H-quinolin-2-one
CAS 436087-69-3C18H19N3O
1-(Furan-2-yl)-3-pyrrolidin-1-yl-5,6,7,8-tetrahydroisoquinoline-4-carbonitrile
CAS 371200-59-8C18H19N3O
3-(1H-Indol-3-yl)-N-(2-(pyridin-4-yl)ethyl)propanamide
CAS 913507-02-5C18H19N3O
1-(1H-Indol-3-yl)-3-(3-phenylpropyl)urea
CAS 899989-76-5C18H19N3O
- Imidazo(1,5-a)pyrazin-3(2H)-one, hexahydro-2,7-diphenyl-91532-90-0C18H19N3O
- N-(3-(2-Methyl-1H-indol-1-yl)propyl)isonicotinamide1251578-43-4C18H19N3O
- N-(4-Isopropoxyphenyl)-2-methylquinazolin-4-amine827031-12-9C18H19N3O
- (S)-2-(1-Aminoethyl)-5-methyl-3-(o-tolyl)quinazolin-4(3H)-one1431699-63-6C18H19N3O
- 4-Phenanthridinecarboxamide, N-(2-(dimethylamino)ethyl)-131862-15-2C18H19N3O
- 5,7-Dimethyl-3-{[(pyridin-3-ylmethyl)-amino]-methyl}-1H-quinolin-2-one462068-06-0C18H19N3O
- N-[2-[1-[(4-Methylphenyl)methyl]benzimidazol-2-yl]ethyl]formamide890635-70-8C18H19N3O
- Ergoline, 8-(5-isoxazolyl)-6-methyl-, (8-beta)-116979-30-7C18H19N3O
- (4-Methoxy-benzyl)-[3-(2H-pyrazol-3-yl)-benzyl]-amine179056-29-2C18H19N3O
- (3-Methoxy-benzyl)-[3-(2H-pyrazol-3-yl)-benzyl]-amine179057-01-3C18H19N3O
- (2-Methoxy-benzyl)-[3-(2H-pyrazol-3-yl)-benzyl]-amine179057-00-2C18H19N3O
- Imidazo(1,2-a)pyridine-3-propanamide, 6-methyl-2-(4-methylphenyl)-88965-07-5C18H19N3O
- 2-[Methyl(6-methyl-4-phenylquinazolin-2-yl)amino]ethan-1-ol1007723-11-6C18H19N3O
- N-(3-Amino-4-methylphenyl)-3-(2-cyanopropan-2-yl)benzamide872090-71-6C18H19N3O
- (1R,5S)-8-Azabicyclo[3.2.1]oct-2-en-8-yl(1-methyl-3-phenyl-1H-pyrazol-5-yl)methanone1798046-88-4C18H19N3O
- Ondansetron-d51219798-86-3C18H19N3O
- Pyrido[1,2-a]indol-6(7H)-one, 8,9-dihydro-10-methyl-7-[(5-methyl-1H-imidazol-4-yl)methyl]-, (S)-129299-89-4C18H19N3O
- N-(2-(Dimethylamino)ethyl)benzo(f)quinoline-5-carboxamide131862-17-4C18H19N3O
- 1H-Indole-3-acetic acid, 2-methyl-, 2-(phenylmethyl)hydrazide78123-16-7C18H19N3O
- 2-Benzyl-4-(2,6-dimethylphenyl)-5-methyl-2,4-dihydro-3H-1,2,4-triazol-3-one860789-30-6C18H19N3O
- 3-Butyl-3-phenyl-2,3-dihydrobenzo[4,5]oxazolo[2,3-c][1,2,4]triazole540760-40-5C18H19N3O
- N-(1-Ethylbenzimidazol-5-yl)-3-phenylpropanamide899375-92-9C18H19N3O
- Cyclohexanol, 4-[[5-(phenylethynyl)-4-pyrimidinyl]amino]-, trans-393855-73-7C18H19N3O
- Zolpidem tartrate impurity 682644-31-3C18H19N3O
- Ctk3D3522832688-53-6C18H19N3O
- Ctk3D3521832688-58-1C18H19N3O
- 3-(4-Morpholinylmethyl)-2-phenyl-1H-pyrrolo(2,3-b)pyridine27257-23-4C18H19N3O
- 5-Amino-1-butyl-7-phenyl-1,6-naphthyridin-4(1H)-one820976-03-2C18H19N3O
- N-(1-Isopropyl-3-methyl-1H-pyrazol-5-yl)-1-naphthamide1189922-28-8C18H19N3O
- 1-(Propan-2-yl)-N-(pyridin-2-ylmethyl)-1H-indole-4-carboxamide1435908-19-2C18H19N3O
- N-(4-(Benzyl(methyl)amino)but-2-yn-1-yl)isonicotinamide1396686-16-0C18H19N3O
- 3-(5-Methoxy-1H-benzo[D]imidazol-2-yl)-2-methyl-1,2,3,4-tetrahydroisoquinoline1196155-90-4C18H19N3O
- N-Cyclopropyl-N-((1-methyl-1H-pyrrol-2-yl)methyl)-1H-indole-2-carboxamide1797075-87-6C18H19N3O
- N-(1-(Pyridin-2-yl)pyrrolidin-3-yl)cinnamamide1799255-98-3C18H19N3O
- (rac)-6-(7-Amino-6,7-dihydro-5H-cyclopenta[c]pyridin-4-yl)-1-methyl-3,4-dihydroquinolin-2(1H)-one1428651-92-6C18H19N3O
- 3-Phenyl-1-{4,6,12-triazatricyclo[7.2.1.0^{2,7}]dodeca-2(7),3,5-trien-12-yl}propan-1-one1904201-01-9C18H19N3O
- (E)-3-Phenyl-1-(3,4,8,9-tetrahydro-1H-cyclopenta[3,4]pyrazolo[1,5-a]pyrazin-2(7H)-yl)prop-2-en-1-one2035036-51-0C18H19N3O
- 3-Acridinecarboxamide, N-(2-(dimethylamino)ethyl)-108571-93-3C18H19N3O
- 2-Acridinecarboxamide, N-(2-(dimethylamino)ethyl)-106626-56-6C18H19N3O
- (4-Dimethylaminophenyl)-(4-phenyl-4,5-dihydro-3H-pyrazol-3-yl)methanone7598-99-4C18H19N3O
- 3-Methyl-N-{2-phenylimidazo[1,2-a]pyridin-3-yl}butanamide670248-22-3C18H19N3O
- N-[4-(1H-Benzimidazol-2-yl)phenyl]-2-methylbutanamide667435-35-0C18H19N3O
- N-[2-[1-[(3-Methylphenyl)methyl]benzimidazol-2-yl]ethyl]formamide890635-82-2C18H19N3O
- 4-Methyl-N-(2-(8-methylimidazo[1,2-a]pyridin-2-yl)ethyl)benzamide868978-41-0C18H19N3O
- N-(2-(7-Methylimidazo[1,2-a]pyridin-2-yl)ethyl)-2-phenylacetamide868978-06-7C18H19N3O
- 4-Methyl-N-(2-(7-methylimidazo[1,2-a]pyridin-2-yl)ethyl)benzamide868978-08-9C18H19N3O
- 1-(1H-Indol-3-yl)-3-mesitylurea941968-65-6C18H19N3O
- 3-Cyano-N-(4-dimethylaminomethyl-benzyl)-benzamide325125-57-3C18H19N3O
- 4-(3-Morpholin-4-ylmethyl-phenyl)-1H-pyrrolo[2,3-b]pyridine916172-88-8C18H19N3O
- 6-(4-tert-Butylphenoxy)-1-imino-1H-isoindol-3-amine125023-52-1C18H19N3O
- 1-(1-Methyl-1H-indol-3-yl)-3-(1-phenylethyl)urea941927-35-1C18H19N3O
- 1-(3,4-Dihydro-2H-pyrrol-5-yl)-1-phenyl-3-(m-tolyl)urea898640-45-4C18H19N3O
- 1-(3,4-Dihydro-2H-pyrrol-5-yl)-1-phenyl-3-(p-tolyl)urea400870-08-8C18H19N3O
- 1-(1-Methyl-1H-indol-3-yl)-3-(4-methylbenzyl)urea941968-76-9C18H19N3O
- 2-[[(5-Methyl-1H-pyrazol-3-yl)imino]methyl]-6-(phenylmethylene)-1-cyclohexen-1-ol379725-47-0C18H19N3O
- Ondansetron-d31132757-82-4C18H19N3O
- N-(Cyanomethyl)-N-cyclopropyl-2,3,4,9-tetrahydro-1H-carbazole-6-carboxamide1424557-63-0C18H19N3O
- 4-[5-(2,4-Dimethylphenyl)-1,2,4-oxadiazol-3-yl]-N,N-dimethylaniline1111177-31-1C18H19N3O
- N-(1-Cyano-1-methyl-3-phenylpropyl)-6-methylpyridine-3-carboxamide1355917-45-1C18H19N3O
- 1-Prop-2-ynyl-N-quinolin-3-ylpiperidine-4-carboxamide1388725-53-8C18H19N3O
- 4-(2-(4-Aminonaphthalen-1-yloxy)propan-2-yl)pyridin-2-amine1229649-61-9C18H19N3O
- 5-[2-(4-Phenylmethoxyphenyl)ethyl]-2H-pyrazol-3-amine1000895-49-7C18H19N3O
- 5-[2-(3-Phenylmethoxyphenyl)ethyl]-2H-pyrazol-3-amine1000895-50-0C18H19N3O
- N-(1-Isobutyl-1H-indol-4-yl)nicotinamide1374517-28-8C18H19N3O
- 2-Phenyl-N-(pyrazolo[1,5-a]pyridin-3-ylmethyl)butanamide1396846-57-3C18H19N3O
- N-(4-(Benzyl(methyl)amino)but-2-yn-1-yl)picolinamide1396578-49-6C18H19N3O
- 2-[(6-Methylpyridin-2-yl)methyl-prop-2-ynylamino]-N-phenylacetamide1436067-70-7C18H19N3O
- 2-[Cyano(phenyl)amino]-N-[2-(2-methylphenyl)ethyl]acetamide1384797-49-2C18H19N3O
- 2-Amino-5-(4-methylphenyl)-5-[(4-methylphenyl)methyl]-4,5-dihydro-1H-imidazol-4-one1354924-98-3C18H19N3O
- 2-[Benzyl(phenyl)amino]-N-(1-cyanoethyl)acetamide1444682-56-7C18H19N3O
- N-[2-(1-Methyl-1H-1,3-benzodiazol-2-yl)propan-2-yl]benzamide1461714-37-3C18H19N3O
- N-(3-(1H-Pyrrolo[2,3-b]pyridin-1-yl)propyl)-2-methylbenzamide1795441-41-6C18H19N3O
- 5-Phenyl-2-(piperazinomethyl)-1,3-benzoxazole1400637-15-1C18H19N3O
- 4-(tert-Butyl)-N-(pyrazolo[1,5-a]pyridin-5-yl)benzamide2034585-96-9C18H19N3O
- 1-Methyl-6-(1,2,3,4-tetrahydro-1,7-naphthyridin-5-yl)-3,4-dihydroquinolin-2(1H)-one1428651-93-7C18H19N3O
- 1-Benzylspiro[piperidine-4,3'-pyrrolo[2,3-c]pyridin]-2'(1'H)-one1603067-50-0C18H19N3O
Frequently asked questions
What is the molar mass of C18H19N3O?
The molar mass of C18H19N3O is 293.37 g/mol, calculated from standard atomic weights for 18 carbon atoms, 19 hydrogen atoms, 3 nitrogen atoms and 1 oxygen atom. The monoisotopic mass is 298.1842 Da.
How many compounds have the formula C18H19N3O?
CompoundList lists 311 compounds with the molecular formula C18H19N3O, including (S)-2-Amino-N-benzyl-3-(1H-indol-3-yl)propanamide, 1-(2-Ethoxyphenyl)-3-methyl-4-phenyl-1H-pyrazol-5-amine, N-[2-(1-Ethylbenzimidazol-2-yl)ethyl]benzamide. 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 C18H19N3O?
C18H19N3O 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.