Molecular formula
C18H19NO
263 compounds have this formula on CompoundList.
- Molar mass
- 265.36g/mol
- Monoisotopic mass
- 268.1655Da
- Atoms
- 39
- Elements
- 4
- Rings plus double bonds
- 10
The formula C18H19NO describes a molecule made of 18 carbon atoms, 19 hydrogen atoms, 1 nitrogen atom 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 × 1881.47%12.011 × 18 = 216.198 g/mol
- H Hydrogen × 197.22%1.008 × 19 = 19.152 g/mol
- N Nitrogen × 15.28%14.007 × 1 = 14.007 g/mol
- O Oxygen × 16.03%15.999 × 1 = 15.999 g/mol
Look up another formula
Compounds with the formula C18H19NO
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 101 to 200 of 263 compounds
N-(3-Ethylphenyl)-3-(4-methylphenyl)acrylamide
CAS 544663-14-1C18H19NO
N,N-Dibenzylcyclopropanecarboxamide
CAS 550313-96-7C18H19NO
2-Pyrrolidinone, 1,3-diphenyl-3-ethyl-
CAS 70872-83-2C18H19NO
2-Piperidinone, 4-(4-methylphenyl)-3-phenyl-, cis-
CAS 107234-97-9C18H19NO
2-Piperidinone, 4-(4-methylphenyl)-3-phenyl-, trans-
CAS 107234-98-0C18H19NO
Phenyl-(4-phenylpiperidin-1-yl)methanone
CAS 82902-54-3C18H19NO
1-(2-Methyl-2,3-dihydroindol-1-yl)-2-(2-methylphenyl)ethanone
CAS 898156-86-0C18H19NO
Phenol, 4-(2,3,4,4a,5,9b-hexahydro-1H-indeno(1,2-b)pyridin-5-yl)-, (4a-alpha,5-alpha,9b-alpha)-
CAS 88763-64-8C18H19NO
3-(Pyrrolidinomethyl)benzophenone
CAS 898793-88-9C18H19NO
2-(Biphenyl-4-ylamino)cyclohexanone
CAS 5425-58-1C18H19NO
N-(3,5-Dimethylbicyclo(4.2.0)octa-1,3,5-trien-7-yl)-2-phenylacetamide
CAS 32268-06-7C18H19NO
4-(2,2-Diphenylvinyl)morpholine
CAS 7145-15-5C18H19NO
Spiro(isobenzofuran-1(3H),2'-pyrrolidine), 1'-methyl-3-phenyl-
CAS 83962-59-8C18H19NO
2-Piperidinone, 3-(4-methylphenyl)-4-phenyl-, trans-
CAS 132604-99-0C18H19NO
3-Benzyl-3,4-dihydro-2H-1,4-ethanoquinolin-3-ol
CAS 1203429-35-9C18H19NO
(e)-1,2-Diphenyl-1-morpholinoethene
CAS 4176-69-6C18H19NO
![Oxazole, 4,5-dihydro-4,4-dimethyl-2-(4'-methyl[1,1'-biphenyl]-4-yl)- chemical structure, C18H19NO, CAS 383185-74-8](/s/LYTJWPZPRXOKNY-UHFFFAOYSA-N.svg)
Oxazole, 4,5-dihydro-4,4-dimethyl-2-(4'-methyl[1,1'-biphenyl]-4-yl)-
CAS 383185-74-8C18H19NO
1-Benzhydrylpiperidin-4-one
CAS 57391-13-6C18H19NO
4-(Benzyloxy)-3-(tert-butyl)benzonitrile
CAS 847943-59-3C18H19NO
(1-Benzhydryl-azetidin-3-yl)-acetaldehyde
CAS 676125-59-0C18H19NO
9-(1-Methylpyrrolidin-3-yl)fluoren-9-ol
CAS 5408-26-4C18H19NO
N-(1-Methylethyl)-N,3-diphenylpropenamide
CAS 55044-37-6C18H19NO
1-(3-Methylbenzyl)-1,3,4,5-tetrahydro-2H-1-benzazepin-2-one
CAS 303988-03-6C18H19NO
1-(2-Methylbenzyl)-1,3,4,5-tetrahydro-2H-1-benzazepin-2-one
CAS 303988-09-2C18H19NO
- (E)-1-(4-Methylphenyl)-3-[(4-methylphenyl)methylamino]prop-2-en-1-one431890-47-0C18H19NO
- Benzenamine, N-(3,3-dimethyl-4-phenyl-2-oxetanylidene)-4-methyl-113200-68-3C18H19NO
- N-Tricyclo[8.2.2.24,7]hexadeca-4,6,10,12,12,15-hexaen-5-ylacetamide18869-33-5C18H19NO
- 1-Phenyl-2-(2,3,4,5-tetrahydro-1H-1-benzazepin-1-yl)ethanone88920-00-7C18H19NO
- 5-Phenyl-3-(2,4,6-trimethylphenyl)-4,5-dihydro-1,2-oxazole19505-59-0C18H19NO
- (E)-1-[1,1'-Biphenyl]-4-yl-3-(dimethylamino)-2-buten-1-one900014-95-1C18H19NO
- 2,2,4-Trimethyl-6-phenoxy-1,2-dihydroquinoline115786-11-3C18H19NO
- 5-(5-Amino-2-methylphenyl)-2,2-dimethylindan-1-one918331-97-2C18H19NO
- 3-Ethyl-1-p-tolyl-3,4-dihydro-1H-quinolin-2-one792122-72-6C18H19NO
- 1-Phenyl-3-propyl-3,4-dihydro-1H-quinolin-2-one792122-71-5C18H19NO
- N-Benzyl-4-phenylpent-3-enamide674285-93-9C18H19NO
- 1-(2-tert-Butyl-9H-carbazol-9-yl)ethan-1-one869631-36-7C18H19NO
- 9-[2-(Dimethylamino)-1-hydroxyethyl]phenanthrene5395-60-8C18H19NO
- 3-Phenyl-1-(1,2,3,4-tetrahydroisoquinolin-2-yl)propan-1-one349431-73-8C18H19NO
- (5Z)-5-(3-Aminopropylidene)-10,11-dihydro-5H-dibenzo(a,d)(7)annulen-10-ol1154-08-1C18H19NO
- N-Benzyl-5,6,7,8-tetrahydronaphthalene-2-carboxamide681169-27-7C18H19NO
- (5R)-1,5-Dimethyl-3,3-diphenylpyrrolidin-2-one87246-92-2C18H19NO
- 5-Benzyloxy-6-isopropyl-1H-indole159388-67-7C18H19NO
- 1,5,6,7-Tetrahydro-2-methyl-1-phenyl-5-(2-propen-1-yl)-4H-indol-4-one1026723-62-5C18H19NO
- 2-Ethyl-5-methoxy-1-(phenylmethyl)-1H-indole172733-30-1C18H19NO
- N,N-Dibenzylbut-2-enamide130575-43-8C18H19NO
- Oxazole, 4,5-dihydro-4,4-dimethyl-2-(2'-methyl[1,1'-biphenyl]-2-yl)-156641-63-3C18H19NO
- 3-(6-Methoxy-2-naphthyl)-8-azabicyclo[3.2.1]oct-2-ene477601-30-2C18H19NO
- N-2-Butyn-1-yl-N-(4-methoxyphenyl)benzenemethanamine60011-46-3C18H19NO
- 4-[(9H-Fluoren-9-yl)methyl]morpholine28991-70-0C18H19NO
- 2,2-Dimethyl-1-oxo-4,5-diphenyl-3,4-dihydro-2H-1lambda~5~-pyrrole78371-21-8C18H19NO
- N-(4,4-Diphenylbut-3-en-1-yl)acetamide749861-57-2C18H19NO
- 1,2,3,6-Tetrahydro-4-(2-methoxy[1,1a(2)-biphenyl]-4-yl)pyridine227305-09-1C18H19NO
- 4-[4-(1-Phenylethenyl)phenyl]morpholine560070-06-6C18H19NO
- 2-[(4-tert-Butylphenoxy)methyl]benzonitrile672936-24-2C18H19NO
- 2-(3,4-Dihydro-2-methyl-1(2H)-quinolinyl)-1-phenylethanone1152874-09-3C18H19NO
- 5-([1,1'-Biphenyl]-4-ylmethyl)-3-methylpyrrolidin-2-one1038925-22-2C18H19NO
- N-[(2-Methylphenyl)methyl]-2-(2-propyn-1-yloxy)benzenemethanamine1178359-77-7C18H19NO
- 3-(Dimethylamino)-1-(4-methylphenyl)-2-phenylprop-2-en-1-one616870-21-4C18H19NO
- 1-Benzyl-3-(2-methoxyphenyl)-2,5-dihydro-1H-pyrrole648901-35-3C18H19NO
- 5-(Benzyloxy)-3-isopropyl-1H-indole361435-94-1C18H19NO
- N-(2,2-Diphenylcyclohexylidene)hydroxylamine94164-12-2C18H19NO
- 2,3-Dihydro-N-(3-phenyl-2-propen-1-yl)-2-benzofuranmethanamine693764-97-5C18H19NO
- N-(4-Methylidenecyclohexyl)naphthalene-2-carboxamide2097857-40-2C18H19NO
- 2-[(2-Cyclopentylphenylimino)methyl]phenol1072933-96-0C18H19NO
- N-[Bis(2-methylphenyl)methyl]prop-2-enamide2305283-29-6C18H19NO
- N-Methyl-N-[1-(4-phenylphenyl)ethyl]prop-2-enamide2411307-24-7C18H19NO
- Cyclopropyl(6-cyclopropylpyridin-3-yl)phenylmethanol74245-34-4C18H19NO
- N-(tert-Butyl)-9H-fluorene-4-carboxamide445220-37-1C18H19NO
- 3-(3,4-Dimethylanilino)-1-phenyl-2-buten-1-one845290-17-7C18H19NO
- 1-Azabicyclo[2.2.1]heptan-3-ol, 3-[1,1'-biphenyl]-4-yl-477771-08-7C18H19NO
- 4-(3-Phenoxybenzylidene)piperidine765873-36-7C18H19NO
- Aziridine, 2-methylene-1-[(1S)-1-phenyl-2-(phenylmethoxy)ethyl]-185250-39-9C18H19NO
- 4-[2-(4-Methylphenoxy)phenyl]-1,2,3,6-tetrahydropyridine773853-18-2C18H19NO
- Methanone, [(2S,3S,4S)-1,4-dimethyl-3-phenyl-2-azetidinyl]phenyl-515824-01-8C18H19NO
- Methanone, [3-methyl-4-(1-pyrrolidinyl)phenyl]phenyl-834895-54-4C18H19NO
- 7-Azabicyclo[4.1.0]heptane, 2-phenoxy-1-phenyl-61568-18-1C18H19NO
- Benzamide, N-(2-phenylethyl)-N-2-propenyl-61357-20-8C18H19NO
- 4,4-Dimethyl-2-(2'-methyl[1,1'-biphenyl]-3-yl)-4,5-dihydro-1,3-oxazole76350-83-9C18H19NO
- 3-Pyridinemethanol,A-2-propynyl,A-4-I-propylphen89242-88-6C18H19NO
- 7-(Benzyloxy)-1,2,3-trimethyl-1H-indole89732-07-0C18H19NO
- 7-Amino-3,4-dihydro-2-[(4-methylphenyl)methyl]-1(2H)-naphthalenone95756-63-1C18H19NO
- Oxazole, 4,5-dihydro-2,4-diphenyl-5-propyl-, cis-100423-09-4C18H19NO
- n,n-Dibenzylmethacrylamide57625-30-6C18H19NO
- 1-[(9H-Xanthen-9-yl)methyl]pyrrolidine193153-59-2C18H19NO
- 4,4-Dimethyl-2-(4'-methyl-[1,1'-biphenyl]-3-yl)-4,5-dihydrooxazole1810071-88-5C18H19NO
- (2E)-1-(4-Aminophenyl)-3-(4-isopropylphenyl)prop-2-en-1-one899019-80-8C18H19NO
- 3-[Benzyl(methyl)amino]-2-methyl-2,3-dihydro-1H-inden-1-one61190-79-2C18H19NO
- 2-[1-(Diphenylmethyl)-3-azetidinylidene]ethanol1160945-86-7C18H19NO
- 1-Phenyl-3-{[(1S)-1-phenylethyl]amino}but-2-en-1-one880649-49-0C18H19NO
- 6-Anilino-2,2-dimethyl-3,4-dihydronaphthalen-1(2H)-one918330-34-4C18H19NO
- 5-Methyl-3-phenyl-2-(2-phenylethenyl)-1,3-oxazolidine67066-46-0C18H19NO
- 4-(3-(Benzyloxy)phenyl)-1,2,3,6-tetrahydropyridine1557265-97-0C18H19NO
- Dihydroxygirinimbine, derivative of123190-22-7C18H19NO
- 5-Methyl-3-phenyl-1-(2-pyridinyl)-3-hexen-1-one188068-78-2C18H19NO
- 1-Benzyl-4-phenyl-3-piperidinone1424939-73-0C18H19NO
- 3,3-Dibenzylpyrrolidin-2-one2203015-39-6C18H19NO
- 8-(Naphthalene-2-carbonyl)-8-azabicyclo[3.2.1]octane2649034-77-3C18H19NO
- N-Benzyl-N-methyl-1-(2-methylbenzofuran-3-yl)methanamine2422053-88-9C18H19NO
- 1-[(4-Methylphenyl)methyl]-4-phenylpyrrolidin-2-one2640822-61-1C18H19NO
- 2-Benzyl-3,3-dimethyl-3,4-dihydroisoquinolin-1(2H)-one26278-47-7C18H19NO
Frequently asked questions
What is the molar mass of C18H19NO?
The molar mass of C18H19NO is 265.36 g/mol, calculated from standard atomic weights for 18 carbon atoms, 19 hydrogen atoms, 1 nitrogen atom and 1 oxygen atom. The monoisotopic mass is 268.1655 Da.
How many compounds have the formula C18H19NO?
CompoundList lists 263 compounds with the molecular formula C18H19NO, including N-(3-Ethylphenyl)-3-(4-methylphenyl)acrylamide, N,N-Dibenzylcyclopropanecarboxamide, 2-Pyrrolidinone, 1,3-diphenyl-3-ethyl-. 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 C18H19NO?
C18H19NO has a degree of unsaturation of 10. 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.