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 501 to 600 of 639 compounds
![4-[[4-(3-Oxobutyl)phenoxy]methyl]benzamide chemical structure, C18H19NO3, CAS 189119-79-7](/s/SIKNCPKLDISCFD-UHFFFAOYSA-N.svg)
4-[[4-(3-Oxobutyl)phenoxy]methyl]benzamide
CAS 189119-79-7C18H19NO3
2-Benzyl-5,7-dimethoxy-2,3-dihydro-1H-isoquinolin-4-one
CAS 30836-78-3C18H19NO3
![4-[2-(2,4-Dimethylphenoxy)ethoxy]-3-methoxybenzonitrile chemical structure, C18H19NO3, CAS 938312-99-3](/s/RRTMBYDHXDAOJI-UHFFFAOYSA-N.svg)
4-[2-(2,4-Dimethylphenoxy)ethoxy]-3-methoxybenzonitrile
CAS 938312-99-3C18H19NO3
![Benzyl N-{[2-(prop-2-en-1-yloxy)phenyl]methyl}carbamate chemical structure, C18H19NO3, CAS 959906-89-9](/s/PCHLPOCQXWAACD-UHFFFAOYSA-N.svg)
Benzyl N-{[2-(prop-2-en-1-yloxy)phenyl]methyl}carbamate
CAS 959906-89-9C18H19NO3
![1-[2-(3,4-Dimethoxyphenyl)-2,3-dihydro-1H-indol-1-yl]ethan-1-one chemical structure, C18H19NO3, CAS 823791-71-5](/s/URJXZPJAKLLYII-UHFFFAOYSA-N.svg)
1-[2-(3,4-Dimethoxyphenyl)-2,3-dihydro-1H-indol-1-yl]ethan-1-one
CAS 823791-71-5C18H19NO3
![rac-Benzyl N-[(1R,2R)-2-(hydroxymethyl)-2,3-dihydro-1H-inden-1-yl]carbamate chemical structure, C18H19NO3, CAS 2679859-24-4](/s/RVXDKNVJDUWEEH-DOTOQJQBSA-N.svg)
rac-Benzyl N-[(1R,2R)-2-(hydroxymethyl)-2,3-dihydro-1H-inden-1-yl]carbamate
CAS 2679859-24-4C18H19NO3
![(3'-Hydroxy-5'-methoxy[1,1'-biphenyl]-3-yl)(pyrrolidin-1-yl)methanone chemical structure, C18H19NO3, CAS 1261923-48-1](/s/WTUFGWKUMCQQBC-UHFFFAOYSA-N.svg)
(3'-Hydroxy-5'-methoxy[1,1'-biphenyl]-3-yl)(pyrrolidin-1-yl)methanone
CAS 1261923-48-1C18H19NO3
![Benzyl [(2S)-1-oxo-4-phenylbutan-2-yl]carbamate chemical structure, C18H19NO3, CAS 207305-48-4](/s/XRQRLIJXTNDYQJ-KRWDZBQOSA-N.svg)
Benzyl [(2S)-1-oxo-4-phenylbutan-2-yl]carbamate
CAS 207305-48-4C18H19NO3
Oripavine-d3
CAS 1261080-88-9C18H19NO3
6-Oxo-1-(3-phenylcyclohexyl)pyridine-3-carboxylic acid
CAS 939410-48-7C18H19NO3
6-(2-(Benzyloxy)ethoxy)-5-methoxy-1H-indole
CAS 399580-10-0C18H19NO3
4-Benzyl-4-nitro-5-phenylpent-2-en-1-ol
CAS 89188-69-2C18H19NO3
![Methyl 4-[methyl(3-oxo-3-phenylpropyl)amino]benzoate chemical structure, C18H19NO3, CAS 89787-34-8](/s/XGWVZKJZYOIGAG-UHFFFAOYSA-N.svg)
Methyl 4-[methyl(3-oxo-3-phenylpropyl)amino]benzoate
CAS 89787-34-8C18H19NO3
(1E)-3-Phenyl-N-(3,4,5-trimethoxyphenyl)prop-2-en-1-imine
CAS 106318-91-6C18H19NO3
![Methyl 4-{2-[4-(dimethylamino)phenyl]-2-oxoethyl}benzoate chemical structure, C18H19NO3, CAS 139675-86-8](/s/PMEMAEKSECTILW-UHFFFAOYSA-N.svg)
Methyl 4-{2-[4-(dimethylamino)phenyl]-2-oxoethyl}benzoate
CAS 139675-86-8C18H19NO3
4-(Benzylamino)-4-oxobutyl benzoate
CAS 139701-71-6C18H19NO3
1-(3,4,5-Trimethoxyphenyl)-3,4-dihydroisoquinoline
CAS 143540-80-1C18H19NO3
N-(3-Ethenylphenyl)-2,5-dimethoxy-4-methylbenzamide
CAS 65849-96-9C18H19NO3
![6-[(4-Methylphenoxy)methyl]-4-phenylmorpholin-2-one chemical structure, C18H19NO3, CAS 61974-15-0](/s/CTRCSAFOYNRGLO-UHFFFAOYSA-N.svg)
6-[(4-Methylphenoxy)methyl]-4-phenylmorpholin-2-one
CAS 61974-15-0C18H19NO3
Ethyl 3-(3-methoxy-9H-carbazol-9-yl)propanoate
CAS 61606-43-7C18H19NO3
![Ethyl 3-[6-(4-methylbenzoyl)pyridin-2-yl]propanoate chemical structure, C18H19NO3, CAS 87849-00-1](/s/CHIFNFYDUIHOQU-UHFFFAOYSA-N.svg)
Ethyl 3-[6-(4-methylbenzoyl)pyridin-2-yl]propanoate
CAS 87849-00-1C18H19NO3
7-(Hexyloxy)-3H-phenoxazin-3-one
CAS 87686-99-5C18H19NO3
![N-[1-(4-Methoxyphenyl)but-3-en-1-yl]-2H-1,3-benzodioxol-5-amine chemical structure, C18H19NO3, CAS 918530-11-7](/s/AKYYVHOKYSMMHL-UHFFFAOYSA-N.svg)
N-[1-(4-Methoxyphenyl)but-3-en-1-yl]-2H-1,3-benzodioxol-5-amine
CAS 918530-11-7C18H19NO3
N-(2,5-Dimethoxy-4-methylphenyl)-4-ethenylbenzamide
CAS 53939-57-4C18H19NO3
- Methyl (R)-3-([1,1'-Biphenyl]-4-yl)-2-acetamidopropanoate164460-67-7C18H19NO3
- Methyl 4-[4-(dimethylcarbamoyl)phenyl]-3-methylbenzoate1820604-50-9C18H19NO3
- 3-(2-Benzofuranylmethoxy)-5-ethyl-2-methoxy-6-methylpyridine139548-69-9C18H19NO3
- 3-Allyl-4-(benzyloxy)-5-methoxybenzamide1706445-78-4C18H19NO3
- rac-Benzyl N-[(1R,2S)-2-hydroxy-1,2,3,4-tetrahydronaphthalen-1-yl]carbamate915131-40-7C18H19NO3
- rac-Benzyl N-[(1R,2R)-2-hydroxy-1,2,3,4-tetrahydronaphthalen-1-yl]carbamate915131-42-9C18H19NO3
- rac-Benzyl (2R,3R)-3-hydroxy-2-phenylpyrrolidine-1-carboxylate229171-89-5C18H19NO3
- 4-{[(3-Methyl-6-oxocyclohexa-2,4-dien-1-ylidene)(phenyl)methyl]amino}butanoic acid62665-76-3C18H19NO3
- Benzyl 5-hydroxy-2,3,4,5-tetrahydro-1H-1-benzazepine-1-carboxylate1801750-47-9C18H19NO3
- Benzyl 7-(hydroxymethyl)-1,2,3,4-tetrahydroisoquinoline-2-carboxylate2770487-13-1C18H19NO3
- Methyl 2-benzyl-1-methyl-3-oxo-6,7-dihydro-5H-cyclopenta[c]pyridine-6-carboxylate2714000-71-0C18H19NO3
- 4-[2-(Benzyloxy)phenyl]pyrrolidine-3-carboxylic acid2172191-56-7C18H19NO3
- 4-[3-(Benzyloxy)phenyl]pyrrolidine-3-carboxylic acid2171844-24-7C18H19NO3
- Benzyl N-(4-cyclopropyl-3-methoxyphenyl)carbamate2803851-47-8C18H19NO3
- 4-[4-(Benzyloxy)phenyl]pyrrolidine-3-carboxylic acid2172457-00-8C18H19NO3
- rac-Benzyl N-[(1R,2R)-2-hydroxy-2,3-dihydro-1H-inden-1-yl]-N-methylcarbamate2679831-83-3C18H19NO3
- Benzyl N-(3-oxo-2-phenylbutan-2-yl)carbamate2680889-26-1C18H19NO3
- Benzyl N-[2-(hydroxymethyl)-2,3-dihydro-1H-inden-2-yl]carbamate2680678-99-1C18H19NO3
- Benzyl 3-(2-hydroxyethyl)-2,3-dihydro-1H-indole-1-carboxylate2680699-56-1C18H19NO3
- Benzyl 6-hydroxy-2,3,4,5-tetrahydro-1H-1-benzazepine-1-carboxylate2680878-60-6C18H19NO3
- Benzyl N-(4-hydroxy-5,6,7,8-tetrahydronaphthalen-1-yl)carbamate2680833-60-5C18H19NO3
- Benzyl 2-(hydroxymethyl)-2-methyl-2,3-dihydro-1H-indole-1-carboxylate2680889-33-0C18H19NO3
- Benzyl (3R)-3-(hydroxymethyl)-1,2,3,4-tetrahydroisoquinoline-2-carboxylate2679816-46-5C18H19NO3
- Benzyl 6-hydroxy-7-methyl-1,2,3,4-tetrahydroisoquinoline-2-carboxylate2680745-81-5C18H19NO3
- Benzyl N-cyclopropyl-N-[(4-hydroxyphenyl)methyl]carbamate2680834-96-0C18H19NO3
- Benzyl 7-hydroxy-1-methyl-1,2,3,4-tetrahydroisoquinoline-2-carboxylate2509707-76-8C18H19NO3
- Benzyl N-{1-[hydroxy(phenyl)methyl]cyclopropyl}carbamate2680821-92-3C18H19NO3
- Benzyl N-[(1s,3s)-3-hydroxy-1-phenylcyclobutyl]carbamate2680786-49-4C18H19NO3
- Benzyl 3-(4-hydroxyphenyl)pyrrolidine-1-carboxylate2680699-64-1C18H19NO3
- Benzyl N-(5-hydroxy-1,2,3,4-tetrahydronaphthalen-1-yl)carbamate2680869-97-8C18H19NO3
- Benzyl 8-hydroxy-4-methyl-1,2,3,4-tetrahydroquinoline-1-carboxylate2680823-06-5C18H19NO3
- Benzyl N-[3-(but-3-en-1-yloxy)phenyl]carbamate2341542-33-2C18H19NO3
- Benzyl N-cyclopropyl-N-[(2-hydroxyphenyl)methyl]carbamate2680752-08-1C18H19NO3
- Benzyl 5-hydroxy-2,3,4,5-tetrahydro-1H-2-benzazepine-2-carboxylate2680718-63-0C18H19NO3
- Benzyl 2-(4-hydroxyphenyl)pyrrolidine-1-carboxylate2680779-11-5C18H19NO3
- Benzyl N-(8-hydroxy-5,6,7,8-tetrahydronaphthalen-2-yl)carbamate2680673-11-2C18H19NO3
- Benzyl N-[(1R,2S)-2-hydroxy-2,3-dihydro-1H-inden-1-yl]-N-methylcarbamate2679940-67-9C18H19NO3
- tert-Butyl N-(3-ethynylphenyl)-N-[(furan-2-yl)methyl]carbamate2680759-45-7C18H19NO3
- Benzyl N-[(1-hydroxy-2,3-dihydro-1H-inden-1-yl)methyl]carbamate2680888-47-3C18H19NO3
- Benzyl 7-hydroxy-2,3,4,5-tetrahydro-1H-3-benzazepine-3-carboxylate2680682-89-5C18H19NO3
- Benzyl N-[(2-hydroxy-2,3-dihydro-1H-inden-2-yl)methyl]carbamate2680719-24-6C18H19NO3
- Benzyl N-[1-(hydroxymethyl)-2,3-dihydro-1H-inden-1-yl]carbamate2680869-13-8C18H19NO3
- Benzyl N-[(1s,3s)-3-hydroxy-3-phenylcyclobutyl]carbamate2680898-14-8C18H19NO3
- Benzyl 3-(2-hydroxyphenyl)pyrrolidine-1-carboxylate2680880-49-1C18H19NO3
- Benzyl 7-hydroxy-2,3,4,5-tetrahydro-1H-1-benzazepine-1-carboxylate2680805-47-2C18H19NO3
- Benzyl 4-hydroxy-2-phenylpyrrolidine-1-carboxylate2680894-23-7C18H19NO3
- rac-Benzyl N-[(1R,2S)-1-hydroxy-2,3-dihydro-1H-inden-2-yl]-N-methylcarbamate2679826-64-1C18H19NO3
- Benzyl N-(4-acetyl-3,5-dimethylphenyl)carbamate2680665-41-0C18H19NO3
- Benzyl N-(2-methyl-1-oxo-1-phenylpropan-2-yl)carbamate1807805-78-2C18H19NO3
- Benzyl N-[2-(2,5-dimethylphenyl)-2-oxoethyl]carbamate2025567-24-0C18H19NO3
- Benzyl 3-hydroxy-3-(3-methylphenyl)azetidine-1-carboxylate2680827-16-9C18H19NO3
- Benzyl N-{3-[(2-methylprop-2-en-1-yl)oxy]phenyl}carbamate2345425-98-9C18H19NO3
- Benzyl 3-hydroxy-8-methyl-1,2,3,4-tetrahydroquinoline-1-carboxylate2680671-88-7C18H19NO3
- Benzyl 8-(hydroxymethyl)-1,2,3,4-tetrahydroisoquinoline-2-carboxylate2680864-26-8C18H19NO3
- Benzyl 6-hydroxy-2,3,4,5-tetrahydro-1H-2-benzazepine-2-carboxylate2680821-38-7C18H19NO3
- Benzyl 8-hydroxy-5-methyl-1,2,3,4-tetrahydroquinoline-1-carboxylate2680759-32-2C18H19NO3
- Benzyl N-{[4-(prop-2-en-1-yloxy)phenyl]methyl}carbamate219501-50-5C18H19NO3
- Benzyl N-(6-hydroxy-1,2,3,4-tetrahydronaphthalen-2-yl)carbamate2680892-40-2C18H19NO3
- Benzyl N-benzyl-N-(2-oxopropyl)carbamate2680719-94-0C18H19NO3
- Benzyl 4-(hydroxymethyl)-1,2,3,4-tetrahydroisoquinoline-2-carboxylate2680665-56-7C18H19NO3
- Benzyl 7-(hydroxymethyl)-1,2,3,4-tetrahydroquinoline-1-carboxylate2680899-19-6C18H19NO3
- Benzyl N-{4-[1-(hydroxymethyl)cyclopropyl]phenyl}carbamate2680686-34-2C18H19NO3
- Benzyl 8-hydroxy-2,3,4,5-tetrahydro-1H-2-benzazepine-2-carboxylate2680712-16-5C18H19NO3
- rac-Benzyl (2R,3R)-2-(hydroxymethyl)-3-phenylazetidine-1-carboxylate2679812-16-7C18H19NO3
- Benzyl N-(6-hydroxy-1,2,3,4-tetrahydronaphthalen-1-yl)carbamate2680894-32-8C18H19NO3
- Benzyl N-[(1S,2R)-2-hydroxy-2,3-dihydro-1H-inden-1-yl]-N-methylcarbamate2679943-47-4C18H19NO3
- Benzyl 3-hydroxy-3-(2-methylphenyl)azetidine-1-carboxylate2680786-60-9C18H19NO3
- Benzyl 5-hydroxy-2-methyl-1,2,3,4-tetrahydroquinoline-1-carboxylate2680865-12-5C18H19NO3
- Benzyl N-[3-(2-methylpropanoyl)phenyl]carbamate2680893-62-1C18H19NO3
- Benzyl 1-(2-hydroxyethyl)-2,3-dihydro-1H-isoindole-2-carboxylate2680779-86-4C18H19NO3
- Benzyl N-(3-butanoylphenyl)carbamate2680672-30-2C18H19NO3
- Benzyl 6-hydroxy-1-methyl-1,2,3,4-tetrahydroisoquinoline-2-carboxylate2680822-21-1C18H19NO3
- Benzyl 8-hydroxy-3-methyl-1,2,3,4-tetrahydroquinoline-1-carboxylate2680705-74-0C18H19NO3
- Benzyl N-(1-oxo-1-phenylbutan-2-yl)carbamate1807805-77-1C18H19NO3
- Benzyl 3-(3-hydroxyphenyl)pyrrolidine-1-carboxylate2680828-65-1C18H19NO3
- Benzyl 3-(hydroxymethyl)-3-phenylazetidine-1-carboxylate2680895-81-0C18H19NO3
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 4-[[4-(3-Oxobutyl)phenoxy]methyl]benzamide, 2-Benzyl-5,7-dimethoxy-2,3-dihydro-1H-isoquinolin-4-one, 4-[2-(2,4-Dimethylphenoxy)ethoxy]-3-methoxybenzonitrile. 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.