Molecular formula
C18H19NO3
639 compounds have this formula on CompoundList.
- Molar mass
- 297.35g/mol
- Monoisotopic mass
- 300.1553Da
- Atoms
- 41
- Elements
- 4
- Rings plus double bonds
- 10
The formula C18H19NO3 describes a molecule made of 18 carbon atoms, 19 hydrogen atoms, 1 nitrogen atom and 3 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 × 1872.71%12.011 × 18 = 216.198 g/mol
- H Hydrogen × 196.44%1.008 × 19 = 19.152 g/mol
- N Nitrogen × 14.71%14.007 × 1 = 14.007 g/mol
- O Oxygen × 316.14%15.999 × 3 = 47.997 g/mol
Look up another formula
Compounds with the formula C18H19NO3
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 301 to 400 of 639 compounds
![N-{[2-(Prop-2-en-1-yloxy)phenyl]methyl}-2,3-dihydro-1,4-benzodioxin-6-amine chemical structure, C18H19NO3, CAS 861233-81-0](/s/DUSCSKDJANSRIJ-UHFFFAOYSA-N.svg)
N-{[2-(Prop-2-en-1-yloxy)phenyl]methyl}-2,3-dihydro-1,4-benzodioxin-6-amine
CAS 861233-81-0C18H19NO3
![(E)-3-[3-(1-Hydroxyethyl)anilino]-1-(4-methoxyphenyl)prop-2-en-1-one chemical structure, C18H19NO3, CAS 692284-92-7](/s/SAHALXKHFAVLJB-ZHACJKMWSA-N.svg)
(E)-3-[3-(1-Hydroxyethyl)anilino]-1-(4-methoxyphenyl)prop-2-en-1-one
CAS 692284-92-7C18H19NO3
N-(2,3-Dihydro-1H-inden-5-yl)-2,4-dimethoxybenzamide
CAS 892715-98-9C18H19NO3
AC1Obwjn
CAS 189814-64-0C18H19NO3
![Benzoic acid, 4-[[[4-(1-methylethyl)phenyl]amino]carbonyl]-, methyl ester chemical structure, C18H19NO3, CAS 102121-30-2](/s/LOEXZXVTHVKBRC-UHFFFAOYSA-N.svg)
Benzoic acid, 4-[[[4-(1-methylethyl)phenyl]amino]carbonyl]-, methyl ester
CAS 102121-30-2C18H19NO3
![3-Cyclopropyl-2,4,7,8,9,10-hexahydroisochromeno[3,4-f][1,3]benzoxazin-6-one chemical structure, C18H19NO3, CAS 903863-21-8](/s/XEKJGNSTABTDCS-UHFFFAOYSA-N.svg)
3-Cyclopropyl-2,4,7,8,9,10-hexahydroisochromeno[3,4-f][1,3]benzoxazin-6-one
CAS 903863-21-8C18H19NO3
![9-Cyclopropyl-6-methyl-2,3,9,10-tetrahydro-8H-cyclopenta[3,4]chromeno[6,7-e][1,3]oxazin-4(1H)-one chemical structure, C18H19NO3, CAS 903201-26-3](/s/JDHQVJZJFYXIOO-UHFFFAOYSA-N.svg)
9-Cyclopropyl-6-methyl-2,3,9,10-tetrahydro-8H-cyclopenta[3,4]chromeno[6,7-e][1,3]oxazin-4(1H)-one
CAS 903201-26-3C18H19NO3
![N-[3-(2-Phenoxyethoxy)phenyl]cyclopropanecarboxamide chemical structure, C18H19NO3, CAS 71219-44-8](/s/KGTLYIHOGMTTDJ-UHFFFAOYSA-N.svg)
N-[3-(2-Phenoxyethoxy)phenyl]cyclopropanecarboxamide
CAS 71219-44-8C18H19NO3
2-Phenoxy-1-(2-phenylmorpholino)ethanone
CAS 954066-05-8C18H19NO3
(3-Methoxyphenyl)(2-phenylmorpholino)methanone
CAS 954009-98-4C18H19NO3
![2-Methoxy-N-{4-[(2-methylprop-2-en-1-yl)oxy]phenyl}benzamide chemical structure, C18H19NO3, CAS 899535-70-7](/s/PABHANAEYKLUAD-UHFFFAOYSA-N.svg)
2-Methoxy-N-{4-[(2-methylprop-2-en-1-yl)oxy]phenyl}benzamide
CAS 899535-70-7C18H19NO3
![4-Methoxy-N-{2-[(2-methylprop-2-en-1-yl)oxy]phenyl}benzamide chemical structure, C18H19NO3, CAS 902386-28-1](/s/XTQOCYROMMUFHL-UHFFFAOYSA-N.svg)
4-Methoxy-N-{2-[(2-methylprop-2-en-1-yl)oxy]phenyl}benzamide
CAS 902386-28-1C18H19NO3
![2-Methoxy-N-{2-[(2-methylprop-2-en-1-yl)oxy]phenyl}benzamide chemical structure, C18H19NO3, CAS 902408-20-2](/s/XCZARJUEQCKLSN-UHFFFAOYSA-N.svg)
2-Methoxy-N-{2-[(2-methylprop-2-en-1-yl)oxy]phenyl}benzamide
CAS 902408-20-2C18H19NO3
![N-[2-(2-Phenoxyethoxy)phenyl]cyclopropanecarboxamide chemical structure, C18H19NO3, CAS 914453-22-8](/s/SUMMNYQVJXEHNY-UHFFFAOYSA-N.svg)
N-[2-(2-Phenoxyethoxy)phenyl]cyclopropanecarboxamide
CAS 914453-22-8C18H19NO3
5-(Benzyloxy)-6-methoxy-3,4-dihydroisoquinoline-2(1H)-carbaldehyde
CAS 61562-94-5C18H19NO3
2-Oxo-2-(phenylamino)ethyl 2-phenylbutanoate
CAS 1009247-89-5C18H19NO3
4-(3-Ethoxybenzyl)-4,5-dihydro-1,4-benzoxazepin-3(2H)-one
CAS 1326942-20-4C18H19NO3
2-(4-Methoxyphenyl)-1-phenylpyrrolidine-3-carboxylic acid
CAS 1216983-32-2C18H19NO3
4-(2-Pyridin-3-yl-benzyl)-tetrahydro-pyran-4-carboxylic acid
CAS 1316223-71-8C18H19NO3
2-(2,3-Dihydro-1-benzofuran-6-yl)-N-(4-methoxybenzyl)acetamide
CAS 1435992-63-4C18H19NO3
N-((1-Hydroxy-2,3-dihydro-1H-inden-1-yl)methyl)-2-phenoxyacetamide
CAS 1396874-95-5C18H19NO3
![N-[(1-Hydroxy-2,3-dihydro-1H-inden-1-yl)methyl]-2-methoxybenzamide chemical structure, C18H19NO3, CAS 1396676-85-9](/s/CSZASUYBJGWWLH-UHFFFAOYSA-N.svg)
N-[(1-Hydroxy-2,3-dihydro-1H-inden-1-yl)methyl]-2-methoxybenzamide
CAS 1396676-85-9C18H19NO3
N-((4-Hydroxychroman-4-yl)methyl)-2-methylbenzamide
CAS 1396887-47-0C18H19NO3
![4-(2-Ethylphenyl)-9-methoxy-4,5-dihydrobenzo[f][1,4]oxazepin-3(2H)-one chemical structure, C18H19NO3, CAS 1396707-76-8](/s/SSMMJIFERKGPDT-UHFFFAOYSA-N.svg)
4-(2-Ethylphenyl)-9-methoxy-4,5-dihydrobenzo[f][1,4]oxazepin-3(2H)-one
CAS 1396707-76-8C18H19NO3
- (E)-3-(Furan-2-yl)-N-((2-hydroxy-1,2,3,4-tetrahydronaphthalen-2-yl)methyl)acrylamide1421588-53-5C18H19NO3
- 2-(2,3-Dihydro-1-benzofuran-6-yl)-N-[2-(4-hydroxyphenyl)ethyl]acetamide1574472-13-1C18H19NO3
- Methyl 2-{3-[3-(dimethylcarbamoyl)phenyl]phenyl}acetate1820620-32-3C18H19NO3
- (E)-3-(Furan-2-yl)-N-(isochroman-3-ylmethyl)-N-methylacrylamide2035017-80-0C18H19NO3
- 4H-Dibenzo(de,g)quinolin-2-ol, 5,6,6a,7-tetrahydro-1,3-dimethoxy-, (R)-83694-77-3C18H19NO3
- 3-Hydroxy-2-(3-methoxypropyl)-3-phenyl-2,3-dihydro-1H-isoindol-1-one3532-76-1C18H19NO3
- Ethyl 4-[(2-hydroxy-2,3-dihydro-1H-inden-1-yl)amino]benzoate796-56-5C18H19NO3
- Oxolan-2-ylmethyl N,N-diphenylcarbamate7501-41-9C18H19NO3
- N-(3-Acetylphenyl)-2-(2,5-dimethylphenoxy)acetamide315713-46-3C18H19NO3
- 4-(4-Methoxyphenyl)-N-(3-methylphenyl)-4-oxobutanamide36776-13-3C18H19NO3
- N-(3-Acetylphenyl)-4-(1-methylethoxy)benzamide425645-84-7C18H19NO3
- 2-[2-(tert-Butylcarbamoyl)phenyl]benzoicacid69339-02-2C18H19NO3
- N-(2-Butan-2-ylphenyl)-1,3-benzodioxole-5-carboxamide848057-72-7C18H19NO3
- N-(4-Acetylphenyl)-2-(4-methylphenoxy)propanamide723258-35-3C18H19NO3
- (4-Methoxyphenyl)methyl N-[(E)-2-(4-methylphenyl)ethenyl]carbamate339278-62-5C18H19NO3
- Carbamic acid, (3-oxo-1,3-diphenylpropyl)-, ethyl ester156209-14-2C18H19NO3
- Benzyl N-(4-oxo-4-phenylbutan-2-yl)carbamate425420-89-9C18H19NO3
- (RS)-1-(4-Benzyloxy-phenyl)-4-hydroxymethyl-pyrrolidin-2-one73422-75-0C18H19NO3
- 3(2H)-Isoquinolinone, 1,4-dihydro-6,7-dimethoxy-2-(phenylmethyl)-89652-34-6C18H19NO3
- 3-Oxo-3-(3-pyridin-3-yl-phenyl)-propionic acid tert-butyl ester579474-70-7C18H19NO3
- Benzyl (4-phenylbutanoyl)carbamate197173-15-2C18H19NO3
- N-(3,4-Dihydro-2H-1-benzopyran-4-yl)-2-methoxybenzeneacetamide940841-93-0C18H19NO3
- 3-(1,3-Benzodioxol-5-yl)-N-(2,6-dimethylphenyl)propanamide1052592-35-4C18H19NO3
- (2E)-{2-[(2,5-Dimethylphenoxy)methyl]phenyl}(methoxyimino)acetaldehyde268568-49-6C18H19NO3
- N-[2-(2-Phenylethyl)benzoyl]-beta-alanine446828-81-5C18H19NO3
- Benzyl 3-(hydroxymethyl)-1,2,3,4-tetrahydroquinoline-1-carboxylate177201-90-0C18H19NO3
- tert-Butyl N-(3-benzoylphenyl)carbamate143390-60-7C18H19NO3
- Methyl 4'-(4-morpholinyl)[1,1'-biphenyl]-4-carboxylate893736-22-6C18H19NO3
- Methyl 4'-(4-morpholinyl)[1,1'-biphenyl]-3-carboxylate893736-36-2C18H19NO3
- 4-[4-(4-Aminophenyl)phenyl]-2,2-dimethyl-4-oxobutanoic acid791594-85-9C18H19NO3
- (4-Methoxyphenyl)-(4-morpholinophenyl)methanone561304-00-5C18H19NO3
- 4-{(E)-[(4-Methoxyphenyl)methylidene]amino}phenyl butanoate22691-31-2C18H19NO3
- 3,5-Dimethyl-2-[(3-phenylpropanoyl)amino]benzoic acid950243-97-7C18H19NO3
- Methyl (2S,4S)-4-([1,1'-biphenyl]-2-yloxy)-2-pyrrolidinecarboxylate1217854-44-8C18H19NO3
- Benzofuran-2-yl(3-((prop-2-yn-1-yloxy)methyl)piperidin-1-yl)methanone1251706-80-5C18H19NO3
- 3-{4-[(3-Methoxyphenyl)methoxy]phenyl}-N-methylprop-2-enamide649740-52-3C18H19NO3
- 3-Oxo-3-(3-pyridin-4-yl-phenyl)-propionic acid tert-butyl ester579474-72-9C18H19NO3
- 3-Oxo-3-(3-pyridin-2-yl-phenyl)-propionic acid tert-butyl ester579474-73-0C18H19NO3
- Methyl 4-(6-methoxy-3,4-dihydroisoquinolin-2(1H)-yl)benzoate1416018-29-5C18H19NO3
- (5alpha)-6,7-Didehydro-4,5-epoxy-3-methoxy-17-methylmorphinan-8-one94713-16-3C18H19NO3
- N,N-Diglycidyl-4-phenoxy aniline1103707-31-8C18H19NO3
- (E)-N-(2-Cyclopropyl-2-hydroxy-2-phenylethyl)-3-(furan-2-yl)acrylamide1421588-96-6C18H19NO3
- Benzyl [(1R)-1-methyl-2-(4-methylphenyl)-2-oxoethyl]carbamate871917-87-2C18H19NO3
- (E)-N-(2-Cyclopropyl-2-hydroxy-2-phenylethyl)-3-(furan-3-yl)acrylamide2035022-54-7C18H19NO3
- N-(Isochroman-3-ylmethyl)-2-phenoxyacetamide2034474-82-1C18H19NO3
- N-((2-Hydroxy-2,3-dihydro-1H-inden-2-yl)methyl)-2-phenoxyacetamide2034407-02-6C18H19NO3
- N-[(2-Hydroxy-2,3-dihydro-1H-inden-2-yl)methyl]-2-methoxybenzamide2034443-70-2C18H19NO3
- N-[(2-Hydroxy-2,3-dihydro-1H-inden-2-yl)methyl]-3-methoxybenzamide2034407-07-1C18H19NO3
- (E)-3-(Furan-2-yl)-N-((2-methoxy-2,3-dihydro-1H-inden-2-yl)methyl)acrylamide2035007-36-2C18H19NO3
- (E)-N-(1-(2,3-Dihydrobenzofuran-5-yl)propan-2-yl)-3-(furan-2-yl)acrylamide2035008-10-5C18H19NO3
- (E)-N-(1-(2,3-Dihydrobenzofuran-5-yl)propan-2-yl)-3-(furan-3-yl)acrylamide2035021-73-7C18H19NO3
- (E)-3-(Furan-3-yl)-N-((2-methoxy-2,3-dihydro-1H-inden-2-yl)methyl)acrylamide2035004-25-0C18H19NO3
- (4-Cyclopropylidenepiperidin-1-yl)(7-methoxybenzofuran-2-yl)methanone2097913-62-5C18H19NO3
- N-[(2,3-Dihydro-1-benzofuran-3-yl)methyl]-2-phenoxypropanamide2097917-95-6C18H19NO3
- 4-[3-(Hydroxymethyl)phenyl]-2-morpholin-4-ylbenzaldehyde2224405-58-5C18H19NO3
- 4-[4-(Hydroxymethyl)phenyl]-2-morpholin-4-ylbenzaldehyde2224300-03-0C18H19NO3
- (-)-Alpha,beta-dihydroxy-N-methyl-N-[(1Z)-2-phenylethenyl]benzenepropanamide1374793-40-4C18H19NO3
- Apocodeine N-oxide2724509-32-2C18H19NO3
- 1-(4-Butyrylphenyl)-2-(4-nitrophenyl)ethane17302-70-4C18H19NO3
- 2-[(2-Methyl-1-phenylpropyl)carbamoyl]benzoic acid6314-64-3C18H19NO3
- 6,7-Dimethoxy-3-methyl-3-phenyl-2,3-dihydroisoquinolin-4(1H)-one19713-25-8C18H19NO3
- N-(Benzoyloxy)-N-tert-butylbenzamide51339-08-3C18H19NO3
- 4-Hydroxy-N-(2-methoxyphenyl)-2-methylidene-4-phenylbutanamide77407-47-7C18H19NO3
- 4-Nitro-1,3-diphenylhexan-1-one80460-05-5C18H19NO3
- N-(3-Acetylphenyl)-2-(4-ethylphenoxy)acetamide300820-45-5C18H19NO3
- 2-(3,4-Dihydroxyphenyl)-3-(p-hydroxyphenyl)-2-methylvaleronitrile102584-95-2C18H19NO3
- (4'-Methoxybiphenyl-4-yl)(morpholin-4-yl)methanone364615-28-1C18H19NO3
- tert-Butyl N-(2-benzoylphenyl)carbamate341521-27-5C18H19NO3
- N-{4-[2-(4-Ethylphenoxy)acetyl]phenyl}acetamide865270-56-0C18H19NO3
- [(E)-3-Phenylprop-2-enyl] N-(4-ethoxyphenyl)carbamate57228-90-7C18H19NO3
- (2R,3S)-1,2-Epoxy-3-(benzyloxycarbonyl-amino)-4-phenylbutane137515-66-3C18H19NO3
- Methyl (betaR)-N-benzoyl-beta-methyl-L-phenylalaninate256442-52-1C18H19NO3
- 7,8-Dimethoxy-5-phenyl-1,3,4,5-tetrahydro-2H-3-benzazepin-2-one78533-14-9C18H19NO3
- Ethyl (2E)-3-(3-methoxyanilino)-3-phenylprop-2-enoate57183-42-3C18H19NO3
- 1-(2,3-Dimethylphenyl)-2-ethoxy-1,2-dihydro-4H-3,1-benzoxazin-4-one137488-42-7C18H19NO3
- N-Acetyl-N-(phenylmethyl)phenylalanine16975-40-9C18H19NO3
Frequently asked questions
What is the molar mass of C18H19NO3?
The molar mass of C18H19NO3 is 297.35 g/mol, calculated from standard atomic weights for 18 carbon atoms, 19 hydrogen atoms, 1 nitrogen atom and 3 oxygen atoms. The monoisotopic mass is 300.1553 Da.
How many compounds have the formula C18H19NO3?
CompoundList lists 639 compounds with the molecular formula C18H19NO3, including N-{[2-(Prop-2-en-1-yloxy)phenyl]methyl}-2,3-dihydro-1,4-benzodioxin-6-amine, (E)-3-[3-(1-Hydroxyethyl)anilino]-1-(4-methoxyphenyl)prop-2-en-1-one, N-(2,3-Dihydro-1H-inden-5-yl)-2,4-dimethoxybenzamide. 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 C18H19NO3?
C18H19NO3 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.