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 101 to 200 of 639 compounds
![1-[3-(3,4-Diacetyl-2,5-dimethylpyrrol-1-yl)phenyl]ethanone chemical structure, C18H19NO3, CAS 461431-47-0](/s/JTEQORFZJNWSBC-UHFFFAOYSA-N.svg)
1-[3-(3,4-Diacetyl-2,5-dimethylpyrrol-1-yl)phenyl]ethanone
CAS 461431-47-0C18H19NO3
N-(1,3-Benzodioxol-5-ylmethyl)-4-propan-2-ylbenzamide
CAS 550352-47-1C18H19NO3
N-(3-Acetylphenyl)-4-propoxybenzamide
CAS 425632-10-6C18H19NO3
(4-Benzoylphenyl) N,N-diethylcarbamate
CAS 7007-12-7C18H19NO3
4-(1,3-Dihydro-2H-Isoindol-2-Ylcarbonyl)-6-(1-Methylethyl)benzene-1,3-Diol
CAS 912998-99-3C18H19NO3
Methyl 2-(2,4,6-trimethylbenzamido)benzoate
CAS 303122-43-2C18H19NO3
N-(4-Acetylphenyl)-2-(2,4-dimethylphenoxy)acetamide
CAS 433260-78-7C18H19NO3
N-(4-Acetylphenyl)-3-propan-2-yloxybenzamide
CAS 433319-49-4C18H19NO3
4H-Dibenzo(de,g)quinolin-3-ol, 5,6,6a,7-tetrahydro-1,2-dimethoxy-, (R)-
CAS 82644-36-8C18H19NO3
beta-Phenylpropionyl-L-phenylalanine
CAS 21888-30-2C18H19NO3
N-(4-Acetylphenyl)-3-propoxybenzamide
CAS 433259-87-1C18H19NO3
![(8BR,9aS)-tert-butyl 4-oxo-9,9a-dihydro-1H-benzo[e]cyclopropa[c]indole-2(4H)-carboxylate chemical structure, C18H19NO3, CAS 128300-13-0](/s/BSXDTBRZYMNNRS-ADLMAVQZSA-N.svg)
(8BR,9aS)-tert-butyl 4-oxo-9,9a-dihydro-1H-benzo[e]cyclopropa[c]indole-2(4H)-carboxylate
CAS 128300-13-0C18H19NO3
2,6,7-Trioxabicyclo(2.2.2)octane-3-carbonitrile, 4-(1,1-dimethylethyl)-1-(4-ethynylphenyl)-
CAS 107829-39-0C18H19NO3
4,7-Dimethyl-2-(1-phenylethyl)-3a,4,7,7a-tetrahydro-1H-4,7-epoxyisoindole-1,3(2H)-dione
CAS 1005108-45-1C18H19NO3
N-(1-Ethoxy-1-oxo-3-phenylpropan-2-yl)benzenecarboximidic acid
CAS 19817-70-0C18H19NO3
L-Clausenamide
CAS 201529-58-0C18H19NO3
3-(4-Methoxyanilino)-1-(4-methoxyphenyl)-2-buten-1-one
CAS 173375-16-1C18H19NO3
Cinnamolaurine
CAS 25866-03-9C18H19NO3
3-(2,6,6-Trimethyl-4-oxo-4,5,6,7-tetrahydro-1H-indol-1-yl)benzoic acid
CAS 902139-73-5C18H19NO3
7,7-Dimethyl-5-oxo-4-phenyl-1,4,5,6,7,8-hexahydroquinoline-2-carboxylic acid
CAS 1233334-73-0C18H19NO3
Nornuciferidine
CAS 112494-69-6C18H19NO3
(-)-Apoglaziovine
CAS 2128-77-0C18H19NO3
N-(3,4-Dimethylphenyl)-3-methyl-2,3-dihydro-1,4-benzodioxine-2-carboxamide
CAS 871322-90-6C18H19NO3
Ethyl 3-methyl-4-oxo-6-phenyl-4,5,6,7-tetrahydro-1H-indole-2-carboxylate
CAS 27398-61-4C18H19NO3
- 3-Phenoxyphenyl piperidine-1-carboxylate890604-08-7C18H19NO3
- 1-{[4-(Benzyloxy)phenyl]methyl}azetidine-3-carboxylic acid1240308-18-2C18H19NO3
- N-(4-Ethylbenzoyl)phenylalanine105746-24-5C18H19NO3
- (E)-N-Benzyl-3-(2,4-dimethoxyphenyl)acrylamide186261-37-0C18H19NO3
- 4-[3-(Benzyloxy)-4-methoxyphenyl]pyrrolidin-2-one57724-78-4C18H19NO3
- Mao-B-IN-161021238-13-0C18H19NO3
- Mao-B-IN-132105918-34-9C18H19NO3
- 1 suppliers9H-Fluoren-9-ylmethyl N-(2-hydroxyethyl)-N-methylcarbamate147687-15-8C18H19NO3
- BW B218C134470-36-3C18H19NO3
- 3-Phenyl-2-(3-phenylpropanamido)propanoic acid54759-61-4C18H19NO3
- 4-{[2-(2-Methylphenyl)pyrrolidin-1-yl]carbonyl}benzene-1,3-diol914296-85-8C18H19NO3
- N-[4-(1,3-Benzodioxol-5-ylmethoxy)benzyl]-N-cyclopropylamine938013-07-1C18H19NO3
- 1 suppliers(9H-Fluoren-9-yl)methyl (1-hydroxypropan-2-yl)carbamate851678-69-8C18H19NO3
- 3-Hydroxyestra-1,3,5(10),7-tetraene-16,17-dione 16-oxime3853-36-9C18H19NO3
- 2 suppliersEthyl N-benzoylphenylalaninate7200-18-2C18H19NO3
- 2-(2-(N-(4-(Isopropyl)phenyl)carbamoyl)phenyl)acetic acid6477-14-1C18H19NO3
- 4 suppliersFmoc-L-alaninol161529-13-1C18H19NO3
- 1 suppliersFmoc-D-Alaninol202751-95-9C18H19NO3
- 4-{[(e)-1,3-Benzodioxol-5-ylmethylidene]amino}-5-methyl-2-(propan-2-yl)phenol7251-20-9C18H19NO3
- 3-(3,4-Dihydroisoquinolin-2(1H)-ylcarbonyl)bicyclo[2.2.1]hept-5-ene-2-carboxylic acid500128-90-5C18H19NO3
- N-(1-Phenylpropan-2-yl)-2,3-dihydro-1,4-benzodioxine-3-carboxamide331964-70-6C18H19NO3
- 2-(4-tert-Butylbenzoylamino)benzoic Acid202202-36-6C18H19NO3
- Methyl 1-(diphenylmethyl)-3-hydroxyazetidine-3-carboxylate950691-63-1C18H19NO3
- N-[2-(4-Phenoxyphenoxy)ethyl]cyclopropanecarboxamide115156-39-3C18H19NO3
- 3-Methoxy-N-(2-methyl-1-oxo-1-phenylpropan-2-yl)benzamide551963-67-8C18H19NO3
- Morpholin-4-yl-(4-phenylmethoxyphenyl)methanone92012-45-8C18H19NO3
- 2-Benzyloxycarbonylamino-1-phenyl-3,4-epoxy-butane163915-59-1C18H19NO3
- 2-(N-Ethyl-4-formylanilino)ethyl benzoate53683-41-3C18H19NO3
- RefChem:3813426587-75-3C18H19NO3
- 4-(2,6,6-Trimethyl-4-oxo-4,5,6,7-tetrahydro-1H-indol-1-yl)benzoic acid627835-19-2C18H19NO3
- 9H-Fluoren-9-ylmethyl N-(2-hydroxypropyl)carbamate185308-00-3C18H19NO3
- (3S,4S)-1,4-Bis(4-methoxyphenyl)-3-methylazetidin-2-one174969-85-8C18H19NO3
- 2-(Dimethylamino)ethyl 4-benzoylbenzoate67055-72-5C18H19NO3
- (2E)-3-(3,4-Dimethoxyphenyl)-N-(2-methylphenyl)prop-2-enamide302549-37-7C18H19NO3
- (3,4-Dihydro-1(2H)-quinolinyl)(2,4-dimethoxyphenyl)methanone346694-84-6C18H19NO3
- 2H,3H-Benzo[e]1,4-dioxan-2-yl-N-[2-(methylethyl)phenyl]carboxamide304888-24-2C18H19NO3
- 2-(4-Methylbenzamido)ethyl 4-methylbenzoate266354-62-5C18H19NO3
- Spiro(cyclohexane-1,6'(2'H)-cyclopent(e)(1,3)oxazine)-2',4'(3'H)-dione, 5',7'-dihydro-3'-phenyl-60532-69-6C18H19NO3
- 4-{[(3,4-Dimethylphenyl)imino]methyl}-2-methoxyphenyl acetate303770-11-8C18H19NO3
- Ethyl 3-[(3,4-dimethylbenzoyl)amino]benzoate6602-76-2C18H19NO3
- [2-[(4-Propan-2-ylphenyl)carbamoyl]phenyl] acetate349139-03-3C18H19NO3
- (2E)-3-(4-Ethoxyphenyl)-N-(3-methoxyphenyl)prop-2-enamide1351349-72-8C18H19NO3
- N-(2,3-Dihydro-1H-inden-5-yl)-3,4-dimethoxybenzamide438464-03-0C18H19NO3
- Methyl 2-(2-phenylbutanoylamino)benzoate349432-20-8C18H19NO3
- Methyl 4-(2-phenylbutanoylamino)benzoate349432-02-6C18H19NO3
- 2-Phenoxy-N-(4-prop-2-enoxyphenyl)propanamide881550-77-2C18H19NO3
- 2-Oxo-2-((1-phenylethyl)amino)ethyl 2-methylbenzoate876528-09-5C18H19NO3
- N-[3-(Allyloxy)phenyl]-2-phenoxypropanamide898161-14-3C18H19NO3
- 2-(4-Methylphenyl)-2-oxoethyl 2-(ethylamino)benzoate432533-37-4C18H19NO3
- Methyl 4-(4-phenylbutanoylamino)benzoate432514-48-2C18H19NO3
- N-(2-Methoxybenzyl)-3-(4-methoxyphenyl)acrylamide357278-57-0C18H19NO3
- N-(3-Acetylphenyl)-3-(4-methoxyphenyl)propanamide543723-31-5C18H19NO3
- 2-[(4-Butylanilino)carbonyl]benzoic acid19543-72-7C18H19NO3
- Methyl 2-[(3-phenylbutanoyl)amino]benzoate432503-06-5C18H19NO3
- 1-(2H-1,3-Benzodioxol-5-yl)-2,6,6-trimethyl-4,5,6,7-tetrahydro-1H-indol-4-one497060-14-7C18H19NO3
- 7-(Benzylcarbamoyl)tricyclo[3.2.2.0~2,4~]non-8-ene-6-carboxylic acid321905-29-7C18H19NO3
- Methyl 4-[(2-ethyl-6-methylphenyl)carbamoyl]benzoate923868-38-6C18H19NO3
- tert-Butyl benzoyl(phenyl)carbamate101137-69-3C18H19NO3
- 1-Methylethyl 5-benzoyl-2,3-dihydro-1H-pyrrolizine-1-carboxylate66635-74-3C18H19NO3
- N-[3-(Allyloxy)phenyl]-4-ethoxybenzamide898161-25-6C18H19NO3
- N-[3-(Allyloxy)phenyl]-3-ethoxybenzamide898138-37-9C18H19NO3
- N-Phenyl-4-(tetrahydro-2-furanylmethoxy)benzamide940463-97-8C18H19NO3
- Benzene, 1-cyclohexyl-4-(4-nitrophenoxy)-68003-41-8C18H19NO3
- Ethyl 2-[(2,2-diphenylacetyl)amino]acetate6325-31-1C18H19NO3
- 4-{[2-(Propan-2-yl)phenyl]carbamoyl}phenyl acetate329930-36-1C18H19NO3
- (2E)-3-(4-Ethoxyphenyl)-N-(2-methoxyphenyl)prop-2-enamide1351486-77-5C18H19NO3
- 2-[(2,4,6-Trimethylphenyl)carbamoyl]phenyl acetate349145-57-9C18H19NO3
- Ethyl 5-methoxy-1,2-dimethyl-1H-benzo[g]indole-3-carboxylate109570-31-2C18H19NO3
- 2-(3,4-Dimethylphenyl)-2-oxoethyl 2-(methylamino)benzoate352671-97-7C18H19NO3
- Methyl 4-{[4-(methylethyl)phenyl]carbonylamino}benzoate544422-90-4C18H19NO3
- Butyl 2-benzamidobenzoate71263-90-6C18H19NO3
- Acetamide, 2-(4-acetylphenoxy)-N-(2,3-dimethylphenyl)-42018-30-4C18H19NO3
- 2-(3,4-Dimethylanilino)-4-oxo-4-phenylbutanoic acid1009544-86-8C18H19NO3
- 1-(2,3-Dihydro-1,4-benzodioxin-2-yl)-N-(4-ethoxybenzylidene)methanamine356578-84-2C18H19NO3
- 1-[2-(4-Methoxyphenoxy)propanoyl]indoline815615-29-3C18H19NO3
- N-[4-(Oxolan-2-ylmethoxy)phenyl]benzamide881754-96-7C18H19NO3
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 1-[3-(3,4-Diacetyl-2,5-dimethylpyrrol-1-yl)phenyl]ethanone, N-(1,3-Benzodioxol-5-ylmethyl)-4-propan-2-ylbenzamide, N-(3-Acetylphenyl)-4-propoxybenzamide. 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.