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 201 to 300 of 311 compounds
![(4-((1H-Imidazol-1-yl)methyl)phenyl)((1R,5S)-8-azabicyclo[3.2.1]oct-2-en-8-yl)methanone chemical structure, C18H19N3O, CAS 1705998-28-2](/s/NAJRLKXIXWXUPY-UHFFFAOYSA-N.svg)
(4-((1H-Imidazol-1-yl)methyl)phenyl)((1R,5S)-8-azabicyclo[3.2.1]oct-2-en-8-yl)methanone
CAS 1705998-28-2C18H19N3O
![N-({[2,3'-Bipyridine]-5-yl}methyl)cyclohex-3-ene-1-carboxamide chemical structure, C18H19N3O, CAS 2034400-82-1](/s/BQCWRVALWKPHRO-UHFFFAOYSA-N.svg)
N-({[2,3'-Bipyridine]-5-yl}methyl)cyclohex-3-ene-1-carboxamide
CAS 2034400-82-1C18H19N3O
![N-([2,4'-Bipyridin]-3-ylmethyl)cyclohex-3-enecarboxamide chemical structure, C18H19N3O, CAS 2034577-56-3](/s/VCTZRXUXERHLJN-UHFFFAOYSA-N.svg)
N-([2,4'-Bipyridin]-3-ylmethyl)cyclohex-3-enecarboxamide
CAS 2034577-56-3C18H19N3O
1-Prop-2-ynyl-N-quinolin-2-ylpiperidine-4-carboxamide
CAS 1445067-14-0C18H19N3O
![(E)-1-(2-Cyclopropyl-6,7-dihydropyrazolo[1,5-a]pyrazin-5(4H)-yl)-3-phenylprop-2-en-1-one chemical structure, C18H19N3O, CAS 2035022-22-9](/s/BETWRKBVGCYWOW-RMKNXTFCSA-N.svg)
(E)-1-(2-Cyclopropyl-6,7-dihydropyrazolo[1,5-a]pyrazin-5(4H)-yl)-3-phenylprop-2-en-1-one
CAS 2035022-22-9C18H19N3O
(3-(3,4-Dihydroisoquinolin-2(1H)-yl)azetidin-1-yl)(pyridin-4-yl)methanone
CAS 2034486-18-3C18H19N3O
![N-({[2,4'-Bipyridine]-4-yl}methyl)cyclohex-3-ene-1-carboxamide chemical structure, C18H19N3O, CAS 2034433-30-0](/s/MBTMKQOTGDROIO-UHFFFAOYSA-N.svg)
N-({[2,4'-Bipyridine]-4-yl}methyl)cyclohex-3-ene-1-carboxamide
CAS 2034433-30-0C18H19N3O
(3-(1H-Pyrazol-1-yl)phenyl)(4-cyclopropylidenepiperidin-1-yl)methanone
CAS 2097923-47-0C18H19N3O
4-(3-Amino-2-methylphenyl)-2,3-dimethyl-1H-indole-7-carboxamide
CAS 1912446-55-9C18H19N3O
![1-[2-(4-Phenyl-1H-imidazol-2-yl)piperidin-1-yl]but-2-yn-1-one chemical structure, C18H19N3O, CAS 2094744-94-0](/s/UUBMMRJQGLNSAG-UHFFFAOYSA-N.svg)
1-[2-(4-Phenyl-1H-imidazol-2-yl)piperidin-1-yl]but-2-yn-1-one
CAS 2094744-94-0C18H19N3O
![N-{[6-(1,2,3,4-Tetrahydroisoquinolin-2-yl)pyridin-3-yl]methyl}prop-2-enamide chemical structure, C18H19N3O, CAS 2094700-11-3](/s/JPWQZSSLHHISIE-UHFFFAOYSA-N.svg)
N-{[6-(1,2,3,4-Tetrahydroisoquinolin-2-yl)pyridin-3-yl]methyl}prop-2-enamide
CAS 2094700-11-3C18H19N3O
![2-[4-(Morpholin-4-yl)phenyl]-2,3-dihydro-1H-isoindol-1-imine chemical structure, C18H19N3O, CAS 2126162-69-2](/s/SMYTXVDKGRSUBO-UHFFFAOYSA-N.svg)
2-[4-(Morpholin-4-yl)phenyl]-2,3-dihydro-1H-isoindol-1-imine
CAS 2126162-69-2C18H19N3O
![{4-[4-(Dimethylamino)phenyl]-4,5-dihydro-3H-pyrazol-3-yl}(phenyl)methanone chemical structure, C18H19N3O, CAS 6631-15-8](/s/RTOXCONWHOTFEV-UHFFFAOYSA-N.svg)
{4-[4-(Dimethylamino)phenyl]-4,5-dihydro-3H-pyrazol-3-yl}(phenyl)methanone
CAS 6631-15-8C18H19N3O
![N,N-Diethyl-2-phenylimidazo[1,2-a]pyridine-7-carboxamide chemical structure, C18H19N3O, CAS 3308-06-3](/s/ORURXMZSSASQTG-UHFFFAOYSA-N.svg)
N,N-Diethyl-2-phenylimidazo[1,2-a]pyridine-7-carboxamide
CAS 3308-06-3C18H19N3O
![N-[1-(1H-Benzimidazol-2-yl)propyl]-2-phenylacetamide chemical structure, C18H19N3O, CAS 900889-45-4](/s/UMJINTINKJRJKR-UHFFFAOYSA-N.svg)
N-[1-(1H-Benzimidazol-2-yl)propyl]-2-phenylacetamide
CAS 900889-45-4C18H19N3O
![4-[5-(4-tert-Butylphenyl)-1,3,4-oxadiazol-2-yl]aniline chemical structure, C18H19N3O, CAS 890985-38-3](/s/FSNLUKVSXSCSFS-UHFFFAOYSA-N.svg)
4-[5-(4-tert-Butylphenyl)-1,3,4-oxadiazol-2-yl]aniline
CAS 890985-38-3C18H19N3O
1-Ethyl-3-(1H-indol-3-yl)-1-(m-tolyl)urea
CAS 899989-88-9C18H19N3O
![3-[5-(4-tert-Butylphenyl)-1,3,4-oxadiazol-2-yl]aniline chemical structure, C18H19N3O, CAS 890985-31-6](/s/NVNGXBBCXIUKIR-UHFFFAOYSA-N.svg)
3-[5-(4-tert-Butylphenyl)-1,3,4-oxadiazol-2-yl]aniline
CAS 890985-31-6C18H19N3O
![2-[(6-Methoxy-1H-benzimidazol-2-yl)methyl]-3,4-dihydro-1H-isoquinoline chemical structure, C18H19N3O, CAS 159557-45-6](/s/HNKPMGXBJMFCPH-UHFFFAOYSA-N.svg)
2-[(6-Methoxy-1H-benzimidazol-2-yl)methyl]-3,4-dihydro-1H-isoquinoline
CAS 159557-45-6C18H19N3O
![2-[(4-Phenyl-1-piperazinyl)methyl]furo[3,2-b]pyridine chemical structure, C18H19N3O, CAS 632333-90-5](/s/RLZPCLAARYGDCR-UHFFFAOYSA-N.svg)
2-[(4-Phenyl-1-piperazinyl)methyl]furo[3,2-b]pyridine
CAS 632333-90-5C18H19N3O
![3-Pyridinecarbonitrile, 6-[3-(4-methoxyphenyl)-1-piperidinyl]- chemical structure, C18H19N3O, CAS 827322-86-1](/s/HVVRMBJMQPQQLJ-UHFFFAOYSA-N.svg)
3-Pyridinecarbonitrile, 6-[3-(4-methoxyphenyl)-1-piperidinyl]-
CAS 827322-86-1C18H19N3O
1-Ethyl-2-(2-(ethylamino)phenyl)quinazolin-4(1H)-one
CAS 93415-39-5C18H19N3O
1-Benzyl-4-(pyrrolidin-3-yl)-1,3-dihydro-2H-benzimidazol-2-one
CAS 920284-39-5C18H19N3O
![2-Methyl-N-(6-methyl-2-phenylimidazo[1,2-a]pyridin-3-yl)propanamide chemical structure, C18H19N3O, CAS 880400-94-2](/s/AXQAEPRDDCTPII-UHFFFAOYSA-N.svg)
2-Methyl-N-(6-methyl-2-phenylimidazo[1,2-a]pyridin-3-yl)propanamide
CAS 880400-94-2C18H19N3O
- 1-(3,4-Dihydro-2H-pyrrol-5-yl)-3-(2-methylphenyl)-1-phenylurea898449-62-2C18H19N3O
- 1-Benzyl-1-methyl-3-(1-methyl-1H-indol-3-yl)urea941879-23-8C18H19N3O
- 4-[(3,5-Dicyclopropyl-1H-pyrazol-4-yl)oxy]-2,6-dimethylbenzonitrile913344-94-2C18H19N3O
- 1-(2,6-Dimethylphenyl)-3-(2-methoxyphenyl)-1H-pyrazol-5-amine1171896-46-0C18H19N3O
- N-(1-Cyanocyclopentyl)-2-[(naphthalen-1-yl)amino]acetamide1324627-14-6C18H19N3O
- N-[8-Methyl-2-(4-methylphenyl)imidazo[1,2-a]pyridin-3-yl]propanamide893692-25-6C18H19N3O
- 2-Amino-3,5-dihydro-3-methyl-5,5-bis(phenylmethyl)-4H-imidazol-4-one883546-77-8C18H19N3O
- 6-(4-(Benzyloxy)piperidin-1-yl)nicotinonitrile1209777-37-6C18H19N3O
- N-(Cyanomethyl)-N-cyclopropyl-2-(propan-2-yl)quinoline-4-carboxamide1241228-36-3C18H19N3O
- 2-((Methyl(2-(pyridin-2-yl)ethyl)amino)methyl)quinolin-8-ol648896-26-8C18H19N3O
- 4-(1-Methyl-1H-indol-3-yl)-N-(pyridin-2-yl)butanamide1374544-13-4C18H19N3O
- 4-(1-Methyl-1H-indol-3-yl)-N-(pyridin-4-yl)butanamide1374537-31-1C18H19N3O
- N-(1-(4-Cyanonaphthalen-1-yl)pyrrolidin-3-yl)-N-methylacetamide664363-01-3C18H19N3O
- 2-Cyano-N-(2,2-dimethylpropyl)-N-phenylpyridine-4-carboxamide1808430-55-8C18H19N3O
- 3,3-Dimethyl-1-(quinoline-6-carbonyl)piperidine-2-carbonitrile1935720-68-5C18H19N3O
- 1-(Prop-2-yn-1-yl)-N-(quinolin-8-yl)piperidine-4-carboxamide2188824-58-8C18H19N3O
- N-[Cyano(cyclohexyl)methyl]quinoline-3-carboxamide2195283-89-5C18H19N3O
- 1-Methyl-3-(methylamino)-5,6-diphenyl-5,6-dihydropyrazin-2(1H)-one62135-41-5C18H19N3O
- 6-[(1-Benzylaziridin-2-yl)methoxy]-1-methylbenzimidazole2411277-64-8C18H19N3O
- 5-[(1-Benzylaziridin-2-yl)methoxy]-1-methylbenzimidazole2411220-76-1C18H19N3O
- N-(1-Benzyl-4,5,6,7-tetrahydroindazol-4-yl)but-2-ynamide2411255-84-8C18H19N3O
- 2-(5-Methylpyrazine-2-carbonyl)-6-phenyl-2-azaspiro[3.3]heptane2640846-36-0C18H19N3O
- 1-Methyl-4-[[2-(naphthalen-1-yloxymethyl)aziridin-1-yl]methyl]pyrazole2411258-26-7C18H19N3O
- 1-Methyl-4-[[2-(naphthalen-2-yloxymethyl)aziridin-1-yl]methyl]pyrazole2411241-68-2C18H19N3O
- 6-Phenyl-1-(piperidin-4-yl)-1H-benzo[d]imidazol-2(3H)-one2513425-24-4C18H19N3O
- Cyclopentanecarboxamide, N-[4-(2-phenyldiazenyl)phenyl]-544700-65-4C18H19N3O
- 12-Ethyl-3,3-dimethyl-3,4-dihydrobenzimidazo[2,1-b]quinazolin-1(2H)-one889951-02-4C18H19N3O
- Benzonitrile, 4-[[4-(pentyloxy)phenyl]azo]-53510-45-5C18H19N3O
- 5,6,7,7a-Tetrahydro-6,6-dimethyl-3,7a-diphenylpyrazolo[1,5-d]-1,2,4-oxadiazole53339-85-8C18H19N3O
- 4-((4-(4-Hydroxyphenyl)piperazin-1-yl)methyl)benzonitrile946762-00-1C18H19N3O
- N-[(4-Methoxyphenyl)methyl]-N,4-dimethylphthalazin-1-amine2877646-92-7C18H19N3O
- (1S)-2-[4-(Benzyloxy)phenyl]-1-(1H-imidazol-2-yl)ethan-1-amine927425-96-5C18H19N3O
- 3-(1-Benzylamino-ethyl)-1-methyl-1H-quinoxalin-2-one791068-33-2C18H19N3O
- (R)-1-Methyl-3-[(1-phenyl-ethylamino)methyl]-1H-quinoxalin-2-one791068-35-4C18H19N3O
- (S)-1-Methyl-3-[(1-phenyl-ethylamino)methyl]-1H-quinoxalin-2-one791068-36-5C18H19N3O
- 5-(2-(Benzyloxy)phenethyl)-1H-pyrazol-3-amine1000895-51-1C18H19N3O
- 1-Benzyl-N-(propan-2-yl)-1H-indazole-3-carboxamide920019-51-8C18H19N3O
- 2-(9H-beta-Carbolin-1-yl)-1-(piperidin-1-yl)ethan-1-one151672-62-7C18H19N3O
- N-(1-Methylpyrrolidin-2-ylidene)-N'-[2-(naphthalen-1-yl)ethenyl]urea90120-09-5C18H19N3O
- 4-(4-tert-Butylphenyl)-6-(furan-2-yl)pyrimidin-2-amine1354916-53-2C18H19N3O
- 6-[(4-Phenyl-4-piperidinyl)methoxy]-3-pyridinecarbonitrile1428479-54-2C18H19N3O
- 5-(2-Amino-4-pyridinyl)-2-[(tetrahydro-2H-pyran-4-yl)methyl]benzonitrile2101909-18-4C18H19N3O
- 3,5,6,7,8,9-Hexahydro-9-(1-phenylethyl)-4H-pyrimido[4,5-b]indol-4-one82703-46-6C18H19N3O
- 5-(Cyclopropylmethyl)-2-(4-ethylphenyl)-4H,5H-pyrazolo[1,5-a]pyrazin-4-one2326871-27-4C18H19N3O
- 6-(4-Cyclobutylidenepiperidine-1-carbonyl)quinoxaline2320146-31-2C18H19N3O
- 2-(4-(4-(Benzyloxy)phenyl)-1H-pyrazol-1-yl)ethanamine2286253-76-5C18H19N3O
- (s)-4-(tert-Butyl)-2-(9H-pyrido[3,4-b]indol-1-yl)-4,5-dihydrooxazole2460172-76-1C18H19N3O
- N-Ethyl-3,5-diphenyl-4,5-dihydro-1H-pyrazole-1-carboxamide37868-86-3C18H19N3O
- 1H-Indazole,1-acetyl-5-[4-(1-amino-1-methylethyl)phenyl]-850361-33-0C18H19N3O
- 3-[4-(Diethylamino)phenyl]quinoxalin-2(1H)-one63634-10-6C18H19N3O
- 5-Methyl-4-phenyl-1-{4-[(propan-2-yl)oxy]phenyl}-1H-1,2,3-triazole89778-94-9C18H19N3O
- 1-(4-Butoxyphenyl)-5-phenyl-1H-1,2,3-triazole89779-08-8C18H19N3O
- N-Methyl-3-(5-methyl-3-phenyl-1H-indazol-1-yl)propanamide57614-52-5C18H19N3O
- 5-Phenyl-1-(piperidin-4-yl)-1H-benzo[d]imidazol-2(3H)-one107618-05-3C18H19N3O
- 4-(2-Isopropyl-6-methylpyrimidin-4-yloxy)naphthalen-1-amine473269-92-0C18H19N3O
- 3-(5-(4-(tert-Butyl)phenyl)-1H-1,2,4-triazol-3-yl)phenol1171933-42-8C18H19N3O
- 2-(4-Piperidin-1-ylphenyl)-1,3-benzoxazol-5-amine945530-97-2C18H19N3O
- 1-(4-{(E)-[4-(Pyrrolidin-1-yl)phenyl]diazenyl}phenyl)ethan-1-one89505-23-7C18H19N3O
- N-Phenyl-3-[(2-phenylaziridin-1-yl)imino]butanamide590383-93-0C18H19N3O
- (3R)-1-{[1-(2-Naphthyl)-1H-pyrazol-4-yl]methyl}pyrrolidin-3-ol1622453-87-5C18H19N3O
- 1-Benzyl-3-((benzyloxy)methyl)-1H-pyrazol-5-amine2173992-13-5C18H19N3O
- 6-(Benzyloxy)-N4-ethylquinoline-3,4-diamine2138171-36-3C18H19N3O
- 6-(Benzyloxy)-N4,8-dimethylquinoline-3,4-diamine2138341-33-8C18H19N3O
- 1'-Benzylspiro[1,3-dihydroquinazoline-4,3'-pyrrolidine]-2-one1821026-76-9C18H19N3O
- 2,6-Bis(2,5-dimethyl-1H-pyrrol-1-yl)isonicotinaldehyde2088547-23-1C18H19N3O
- 2-(4-(3-(Benzyloxy)phenyl)-1H-pyrazol-1-yl)ethanamine2990517-26-3C18H19N3O
- 7-(Cyclohex-3-ene-1-carbonyl)-6H,7H,8H,9H-pyrido[2,3-b]1,6-naphthyridine2742031-57-6C18H19N3O
- N-[2-(4-Methoxyphenyl)ethyl]-N-methylquinazolin-4-amine2741944-62-5C18H19N3O
- (1R,5R)-1,2,3,4,5,6-Hexahydro-3-[(phenylmethylene)amino]-1,5-methano-8H-pyrido[1,2-a][1,5]diazocin-8-one50463-98-4C18H19N3O
- 3-[4-(Benzyloxy)phenyl]-1,4-dimethyl-1H-pyrazol-5-amine1859730-01-0C18H19N3O
- 3-[2-(Benzyloxy)phenyl]-1,4-dimethyl-1H-pyrazol-5-amine1856445-06-1C18H19N3O
- 3-[3-(Benzyloxy)phenyl]-1,4-dimethyl-1H-pyrazol-5-amine1871388-15-6C18H19N3O
- (2-((1-Benzyl-1H-pyrazol-4-yl)oxy)-5-methylphenyl)methanamine3078341-30-4C18H19N3O
- 3,5-Dimethyl-2-(4-((1-methyl-1H-pyrazol-3-yl)methoxy)phenyl)pyridine1401817-47-7C18H19N3O
- 3-(3-Ethylphenyl)-1-(2-methoxyphenyl)-1H-pyrazol-5-amine1001735-04-1C18H19N3O
- 8-(Aminomethyl)-N-(4-methoxybenzyl)quinolin-2-amine2379285-04-6C18H19N3O
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 (4-((1H-Imidazol-1-yl)methyl)phenyl)((1R,5S)-8-azabicyclo[3.2.1]oct-2-en-8-yl)methanone, N-({[2,3'-Bipyridine]-5-yl}methyl)cyclohex-3-ene-1-carboxamide, N-([2,4'-Bipyridin]-3-ylmethyl)cyclohex-3-enecarboxamide. 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.