Molecular formula
C18H19NO2
444 compounds have this formula on CompoundList.
- Molar mass
- 281.35g/mol
- Monoisotopic mass
- 281.1416Da
- Atoms
- 40
- Elements
- 4
- Rings plus double bonds
- 10
The formula C18H19NO2 describes a molecule made of 18 carbon atoms, 19 hydrogen atoms, 1 nitrogen atom and 2 oxygen atoms. 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 × 1876.84%12.011 × 18 = 216.198 g/mol
- H Hydrogen × 196.81%1.008 × 19 = 19.152 g/mol
- N Nitrogen × 14.98%14.007 × 1 = 14.007 g/mol
- O Oxygen × 211.37%15.999 × 2 = 31.998 g/mol
Look up another formula
Compounds with the formula C18H19NO2
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 100 of 444 compounds
Isbogrel
CAS 89667-40-3C18H19NO2
1-(3,4-Dihydroquinolin-1(2H)-yl)-2-(o-tolyloxy)ethanone
CAS 304676-35-5C18H19NO2
N-Nornuciferine
CAS 4846-19-9C18H19NO2
Apocodeine
CAS 641-36-1C18H19NO2
Nornuciferine
CAS 54750-04-8C18H19NO2
1-Morpholino-2,2-diphenylethanone
CAS 14135-68-3C18H19NO2
![2-Benzyl-4-[(dimethylamino)methyl]-1-benzofuran-5-ol chemical structure, C18H19NO2, CAS 300804-09-5](/s/IIHQWGVGNVVDIB-UHFFFAOYSA-N.svg)
2-Benzyl-4-[(dimethylamino)methyl]-1-benzofuran-5-ol
CAS 300804-09-5C18H19NO2
Lirinidine
CAS 54383-28-7C18H19NO2
2-Hydroxy-1-methoxyaporphine
CAS 33770-27-3C18H19NO2
3-(4-Ethylanilino)-5-(2-furyl)cyclohex-2-en-1-one
CAS 351013-81-5C18H19NO2
1-Piperidinecarboxylic acid (4-phenylphenyl) ester
CAS 549511-48-0C18H19NO2
3-(3,5-Dimethylanilino)-5-(2-furanyl)-1-cyclohex-2-enone
CAS 519144-91-3C18H19NO2
![1-[(3-Methylphenoxy)acetyl]-1,2,3,4-tetrahydroquinoline chemical structure, C18H19NO2, CAS 349474-29-9](/s/KNSBKQZVZJPCGH-UHFFFAOYSA-N.svg)
1-[(3-Methylphenoxy)acetyl]-1,2,3,4-tetrahydroquinoline
CAS 349474-29-9C18H19NO2
4-(3-Methoxyphenyl)-6,7-dimethyl-3,4-dihydro-1H-quinolin-2-one
CAS 347352-22-1C18H19NO2
![N-[3-(3,4-Dimethylbenzoyl)phenyl]propanamide chemical structure, C18H19NO2, CAS 543695-01-8](/s/ZCJXXJDCBAIUTD-UHFFFAOYSA-N.svg)
N-[3-(3,4-Dimethylbenzoyl)phenyl]propanamide
CAS 543695-01-8C18H19NO2
N-(4-Oxo-2,4-diphenylbutan-2-yl)acetamide
CAS 64663-10-1C18H19NO2
4-Benzoyl-N,N-diethylbenzamide
CAS 67055-76-9C18H19NO2
Ethyl (1S)-1-phenyl-3,4-dihydroisoquinoline-2(1H)-carboxylate
CAS 180468-42-2C18H19NO2
N,N-Diethyl-9H-xanthene-9-carboxamide
CAS 349401-23-6C18H19NO2
3-Methyl-N-(4-phenylmethoxyphenyl)but-2-enamide
CAS 634162-17-7C18H19NO2
1-(3,4-Dihydro-1H-isoquinolin-2-yl)-2-o-tolyloxy-ethanone
CAS 424808-36-6C18H19NO2
1-(3,4-Dihydro-2H-quinolin-1-yl)-2-phenoxypropan-1-one
CAS 349579-43-7C18H19NO2
1-(3,4-Dihydroquinolin-1(2H)-yl)-2-(4-methoxyphenyl)ethanone
CAS 321973-33-5C18H19NO2
1-(2,3-Dihydroindol-1-yl)-2-(4-ethylphenoxy)ethanone
CAS 497087-14-6C18H19NO2
- N-(2-Methoxy-5-methylphenyl)-2-phenylcyclopropane-1-carboxamide353469-11-1C18H19NO2
- 1-Phenyl-3-phenylamino-cyclopentanecarboxylic acid302818-42-4C18H19NO2
- N-(2-Phenoxyphenyl)cyclopentanecarboxamide519146-30-6C18H19NO2
- Methyl 1-(diphenylmethyl)azetidine-3-carboxylate53871-06-0C18H19NO2
- 1-[(2-Methoxyphenyl)acetyl]-1,2,3,4-tetrahydroquinoline328284-45-3C18H19NO2
- 1,3,4,5-Tetrahydro-1-((4-methoxyphenyl)methyl)-2H-1-benzazepin-2-one303987-99-7C18H19NO2
- 1-(3,4-Dihydro-2H-quinolin-1-yl)-2-p-tolyloxy-ethanone349473-92-3C18H19NO2
- N-(3-Methoxyphenyl)-5,6,7,8-tetrahydronaphthalene-2-carboxamide681168-98-9C18H19NO2
- N-tert-Butyl-9H-xanthene-9-carboxamide349401-21-4C18H19NO2
- Ethyl 6-(2,3-dihydro-1H-inden-5-yl)-2-methylnicotinate860612-08-4C18H19NO2
- N-(3,4-Dihydro-1H-isochromen-1-ylmethyl)-2-phenylacetamide334505-14-5C18H19NO2
- N-Butan-2-yl-9H-xanthene-9-carboxamide349401-20-3C18H19NO2
- 1-(3,4-Dihydro-1H-isoquinolin-2-yl)-2-(3-methylphenoxy)ethanone755000-30-7C18H19NO2
- N-Butyl-2-naphtho[2,1-b]furan-1-ylacetamide622351-67-1C18H19NO2
- 1-[2-(4-Methylphenoxy)propanoyl]indoline817633-26-4C18H19NO2
- N-(1-Adamantyl)phthalimide16808-41-6C18H19NO2
- N-(2-Methylpropyl)-9H-xanthene-9-carboxamide349401-19-0C18H19NO2
- 4-Methoxy-N-(1,2,3,4-tetrahydronaphthalen-1-yl)benzamide710292-07-2C18H19NO2
- N-[2-(4-Methylphenoxy)ethyl]-3-phenylacrylamide1164492-53-8C18H19NO2
- 4-Benzoyl-N-butan-2-ylbenzamide404852-54-6C18H19NO2
- (-)-Nornuciferine3153-55-7C18H19NO2
- 3-[4-(Dimethylamino)phenyl]-1-(4-methoxyphenyl)prop-2-en-1-one1230-77-9C18H19NO2
- 1 suppliers1-[4-(Morpholin-4-yl)phenyl]-2-phenylethanone69433-27-8C18H19NO2
- N-(4-Ethylphenyl)-4-oxo-4-phenylbutanamide571154-81-9C18H19NO2
- 1-Benzyl-6,7-dimethoxy-3,4-dihydro-isoquinoline4876-00-0C18H19NO2
- 2-Methoxy-N-(5,6,7,8-tetrahydronaphthalen-1-yl)benzamide415693-26-4C18H19NO2
- 4-Methoxy-N-(5,6,7,8-tetrahydronaphthalen-1-yl)benzamide331270-19-0C18H19NO2
- N-(2,3-Dihydro-1H-inden-5-yl)-2-(3-methoxyphenyl)acetamide848582-19-4C18H19NO2
- 2-Methoxy-N-(1,2,3,4-tetrahydronaphthalen-1-yl)benzamide733793-17-4C18H19NO2
- N-Cyclopentyl-3-phenoxybenzamide847938-79-8C18H19NO2
- 1-(4-Methoxyphenyl)-3-[(4-methylbenzyl)amino]-2-propen-1-one433244-54-3C18H19NO2
- N-(4-Acetylphenyl)-4-isopropylbenzamide352689-64-6C18H19NO2
- 2-Methoxy-6-methyl-5,6,6a,7-tetrahydro-4H-dibenzo(de,g)quinolin-1-ol22222-86-2C18H19NO2
- 5-Ethyl-6-methyl-3-((2-benzofurano)ethyl)-2-pyridinone135525-73-4C18H19NO2
- 1-tert-Butyl-1-hydroxy-2-phenyl-3-oxoisoindoline39563-81-0C18H19NO2
- (Z)-7-Phenyl-7-pyridin-3-ylhept-6-enoic acid89667-39-0C18H19NO2
- 2-(4-Hydroxy-3,5-dimethylphenyl)-5-methoxy-3-methylindole104007-80-9C18H19NO2
- N-(2-Ethylphenyl)-3,4-dihydro-2H-chromene-3-carboxamide932965-05-4C18H19NO2
- 5-(2-Furyl)-3-[(2-phenylethyl)amino]-2-cyclohexen-1-one351013-82-6C18H19NO2
- N-(3-Acetylphenyl)-2-phenylbutanamide313382-41-1C18H19NO2
- Euchrestine A138842-70-3C18H19NO2
- 1-(2,3-Dihydroindol-1-yl)-4-phenoxybutan-1-one432502-73-3C18H19NO2
- Glybomine C761436-17-3C18H19NO2
- (-)-Lirinidine37082-15-8C18H19NO2
- 1-(2,3-Dihydroindol-1-yl)-2-(3-methylphenoxy)propan-1-one725223-94-9C18H19NO2
- 2-(2,6-Dimethylphenyl)-3a-methyl-3a,4,7,7a-tetrahydro-1H-4,7-methanoisoindole-1,3(2H)-dione331627-09-9C18H19NO2
- 1-(2,3-Dihydroindol-1-yl)-2-(2,6-dimethylphenoxy)ethanone651017-95-7C18H19NO2
- 4-(2-Methoxyphenyl)-7,8-dimethyl-3,4-dihydro-1H-quinolin-2-one717874-50-5C18H19NO2
- N-(2-Benzoyl-4-methylphenyl)-2-methylpropanamide312922-52-4C18H19NO2
- (2-Methoxyphenyl)-(6-methyl-3,4-dihydro-2H-quinolin-1-yl)methanone895947-93-0C18H19NO2
- 1H,5H-Cyclopenta(3,4)(1)benzopyrano(6,7,8-ij)quinolizin-12(9H)-one, 2,3,6,7,10,11-hexahydro-41175-45-5C18H19NO2
- 2-(2,5-Dimethylphenyl)-3a-methyl-3a,4,7,7a-tetrahydro-1H-4,7-methanoisoindole-1,3(2H)-dione431077-03-1C18H19NO2
- 2-(2,4-Dimethylphenyl)-3a-methyl-3a,4,7,7a-tetrahydro-1H-4,7-methanoisoindole-1,3(2H)-dione438469-96-6C18H19NO2
- N-(3,4-Dimethylphenyl)-3,4-dihydro-2H-chromene-3-carboxamide932965-14-5C18H19NO2
- Isoapocodeine36507-69-4C18H19NO2
- 3-((4-Butylphenyl)amino)isobenzofuran-1(3H)-one799776-11-7C18H19NO2
- N-(2,5-Dimethylphenyl)-3,4-dihydro-2H-chromene-3-carboxamide923824-20-8C18H19NO2
- 5,5-Diphenyl-4-(propan-2-yl)-1,3-oxazolidin-2-one6689-91-4C18H19NO2
- 10,11-Dihydroxy-N-methylnorapomorphine147353-44-4C18H19NO2
- Spiro(isobenzofuran-1(3H),4'-piperidine), 1'-hydroxy-3-phenyl-61715-22-8C18H19NO2
- (E)-2-Hydroxy-N-desmethyldoxepin131523-91-6C18H19NO2
- 1-Methylspiro[piperidine-4,9'-xanthen]-4'-ol57316-01-5C18H19NO2
- N-Methylasimilobine20827-76-3C18H19NO2
- 3-(Prop-2-ynylamino)-2-hydroxy-1-(biphenyl-4-yloxy)propane852388-35-3C18H19NO2
- 6-Heptenoic acid, 7-phenyl-7-(3-pyridinyl)-93943-87-4C18H19NO2
- (R)-4-Isopropyl-5,5-diphenyloxazolidin-2-one191090-32-1C18H19NO2
- N-(Oxolan-2-ylmethyl)-4-phenylbenzamide304890-17-3C18H19NO2
- (R)-Ethyl 1-phenyl-3,4-dihydroisoquinoline-2(1H)-carboxylate180468-41-1C18H19NO2
- (4S)-5,5-Diphenyl-4-(propan-2-yl)-1,3-oxazolidin-2-one184346-45-0C18H19NO2
- Trans-1-benzyl-4-phenylpyrrolidine-3-carboxylic acid80896-73-7C18H19NO2
- Furan-2-ylmethyl-(3-furan-2-yl-3-phenyl-propyl)-amine396104-71-5C18H19NO2
- N-(4-Acetylphenyl)-2-(2,4-dimethylphenyl)acetamide899731-61-4C18H19NO2
- (3,4-Dihydro-1(2H)-quinolinyl)(4-ethoxyphenyl)methanone282104-33-0C18H19NO2
- (2S,4R)-4-(Biphenyl-4-ylmethyl)pyrrolidine-2-carboxylic acid1049982-12-8C18H19NO2
- 1,3-Dihydroisoindol-2-yl-(4-hydroxy-3-propan-2-ylphenyl)methanone912999-04-3C18H19NO2
- Nicotinic acid, p-cyclohexylphenyl ester (7CI,8CI)3468-32-4C18H19NO2
Frequently asked questions
What is the molar mass of C18H19NO2?
The molar mass of C18H19NO2 is 281.35 g/mol, calculated from standard atomic weights for 18 carbon atoms, 19 hydrogen atoms, 1 nitrogen atom and 2 oxygen atoms. The monoisotopic mass is 281.1416 Da.
How many compounds have the formula C18H19NO2?
CompoundList lists 444 compounds with the molecular formula C18H19NO2, including Isbogrel, 1-(3,4-Dihydroquinolin-1(2H)-yl)-2-(o-tolyloxy)ethanone, N-Nornuciferine. 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 C18H19NO2?
C18H19NO2 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.