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 301 to 400 of 444 compounds
(5-Cyclopropyl-6-methoxypyridin-2-yl)(4-ethylphenyl)methanone
CAS 1310948-17-4C18H19NO2
1,2,3,4-Tetrahydronaphthalen-1-yl 4-amino-2-methylbenzoate
CAS 1304065-00-6C18H19NO2
1-(Diphenylmethyl)-4-(hydroxymethyl)-2-pyrrolidinone
CAS 183062-94-4C18H19NO2
![2-[1-(Diphenylmethyl)azetidin-3-yl]acetic acid chemical structure, C18H19NO2, CAS 1496750-59-4](/s/VVSNSDCDDYYSOI-UHFFFAOYSA-N.svg)
2-[1-(Diphenylmethyl)azetidin-3-yl]acetic acid
CAS 1496750-59-4C18H19NO2
(6-Hydroxy-1,1-dimethyl-3,4-dihydroisoquinolin-2(1H)-yl)(phenyl)methanone
CAS 1354973-53-7C18H19NO2
![4-[5-(Benzyloxy)pyridin-2-yl]cyclohexanone chemical structure, C18H19NO2, CAS 713526-69-3](/s/WSNQRWNNPNVZRW-UHFFFAOYSA-N.svg)
4-[5-(Benzyloxy)pyridin-2-yl]cyclohexanone
CAS 713526-69-3C18H19NO2
1,1-Diphenylprop-2-en-1-yl dimethylcarbamate
CAS 10087-69-1C18H19NO2
![Methyl 4-{2-[4-(dimethylamino)phenyl]ethenyl}benzoate chemical structure, C18H19NO2, CAS 79370-15-3](/s/GRYSWPCZNMKYGV-UHFFFAOYSA-N.svg)
Methyl 4-{2-[4-(dimethylamino)phenyl]ethenyl}benzoate
CAS 79370-15-3C18H19NO2
1-(5-(Benzyloxy)-3-methylbenzofuran-2-yl)-N-methylmethanamine
CAS 1499584-24-5C18H19NO2
3-Oxo-2-phenyl-N-(2-phenylethyl)butanamide
CAS 938180-49-5C18H19NO2
2-(4-Hydroxyphenyl)-1-(3-phenylpyrrolidin-1-yl)ethanone
CAS 2034447-40-8C18H19NO2
(4-Methoxy-benzyl)-(3-prop-2-ynyloxy-benzyl)-amine
CAS 1239788-49-8C18H19NO2
![Benzyl N-[(1S)-1-phenylbut-3-en-1-yl]carbamate chemical structure, C18H19NO2, CAS 1612794-16-7](/s/ZBSDEVWSSMKYKL-KRWDZBQOSA-N.svg)
Benzyl N-[(1S)-1-phenylbut-3-en-1-yl]carbamate
CAS 1612794-16-7C18H19NO2
![1-{[1,1'-Biphenyl]-4-carbonyl}-3-methoxypyrrolidine chemical structure, C18H19NO2, CAS 1901347-55-4](/s/YQPMZYIRCFHUOK-UHFFFAOYSA-N.svg)
1-{[1,1'-Biphenyl]-4-carbonyl}-3-methoxypyrrolidine
CAS 1901347-55-4C18H19NO2
2,3-Dihydro-N-(3-phenylpropyl)-2-benzofurancarboxamide
CAS 50635-13-7C18H19NO2
![N-[(1-Hydroxycyclohex-2-en-1-yl)methyl]naphthalene-1-carboxamide chemical structure, C18H19NO2, CAS 2097889-57-9](/s/BERFNYFJSABHAW-UHFFFAOYSA-N.svg)
N-[(1-Hydroxycyclohex-2-en-1-yl)methyl]naphthalene-1-carboxamide
CAS 2097889-57-9C18H19NO2
2-(3,4-Dimethoxyphenyl)-3,6-dimethyl-1H-indole
CAS 2180130-44-1C18H19NO2
1-(Diphenylmethyl)-3-methylazetidine-3-carboxylic acid
CAS 2231674-07-8C18H19NO2
![N-[(1S)-3-Hydroxy-1-(4-phenylphenyl)propyl]prop-2-enamide chemical structure, C18H19NO2, CAS 2411177-63-2](/s/RWEZSFBVGMLAFA-KRWDZBQOSA-N.svg)
N-[(1S)-3-Hydroxy-1-(4-phenylphenyl)propyl]prop-2-enamide
CAS 2411177-63-2C18H19NO2
4-(Naphthalen-1-yl)-1-(oxirane-2-carbonyl)piperidine
CAS 2411242-32-3C18H19NO2
2-Morpholin-4-yl-1,2-diphenylethanone
CAS 794-06-9C18H19NO2
![7a,9c-(Iminoethano)phenanthro[4,5-bcd]furan, 4aalpha,5-dihydro-3-methoxy-12-methyl- chemical structure, C18H19NO2, CAS 24695-70-3](/s/IRKRBEMPEYSKGO-UHFFFAOYSA-N.svg)
7a,9c-(Iminoethano)phenanthro[4,5-bcd]furan, 4aalpha,5-dihydro-3-methoxy-12-methyl-
CAS 24695-70-3C18H19NO2
Acetamide, N-(2-oxo-1,4-diphenylbutyl)-
CAS 655242-05-0C18H19NO2
(S)-4-(Dibenzylamino)dihydrofuran-2(3H)-one
CAS 137428-36-5C18H19NO2
- 4-Piperidinone, 1-hydroxy-3-methyl-2,6-diphenyl-677007-16-8C18H19NO2
- Benzamide, N-[5-(2,4-cyclopentadien-1-ylidene)-1-oxohexyl]-833447-37-3C18H19NO2
- Methanone, [3-methoxy-4-(1-pyrrolidinyl)phenyl]phenyl-834895-55-5C18H19NO2
- N,N-Dibenzyl-3-oxobutanamide61845-91-8C18H19NO2
- 2-(9H-Carbazol-9-yl)ethyl butanoate65624-94-4C18H19NO2
- 1-Ethyl-6-methoxy-2-(4-methoxyphenyl)-1H-indole91444-19-8C18H19NO2
- 1-Benzyl-3-phenylpyrrolidine-3-carboxylic acid124562-91-0C18H19NO2
- N-[2-(4-Propanoylphenyl)ethyl]benzamide61630-22-6C18H19NO2
- 6-Cyanonaphthalen-2-yl heptanoate61699-19-2C18H19NO2
- 4-[3-[(Tetrahydro-2H-pyran-2-yl)oxy]-1-propyn-1-yl]-1-naphthalenamine473269-73-7C18H19NO2
- 3-(4-Ethoxyanilino)-1-phenylbut-2-en-1-one920313-19-5C18H19NO2
- 4-Cyclopropyl-N-(3-methoxyphenyl)-2-methylbenzamide909697-91-2C18H19NO2
- Methyl 4-((3,4-dihydroquinolin-1(2H)-yl)methyl)benzoate1039845-53-8C18H19NO2
- 1-[3-[(2,3-Dihydro-2-methyl-1H-indol-1-yl)methyl]-4-hydroxyphenyl]ethanone1157138-29-8C18H19NO2
- (2-(4-Methoxyphenyl)pyrrolidin-1-yl)(phenyl)methanone1330848-20-8C18H19NO2
- N-(3-Phenylprop-2-en-1-yl)-L-phenylalanine67354-62-5C18H19NO2
- 5,6,7,8-Tetrahydro-6-methyl-5-(phenylmethyl)-1,3-dioxolo[4,5-g]isoquinoline4514-05-0C18H19NO2
- 1-Benzyl-2-phenylpyrrolidine-3-carboxylic acid1201785-10-5C18H19NO2
- 1-[1-(4-Phenylphenyl)ethyl]azetidine-3-carboxylic acid1240307-17-8C18H19NO2
- 2-(3-Hydroxyphenyl)-N-(1,2,3,4-tetrahydronaphthalen-1-yl)acetamide1455388-54-1C18H19NO2
- 2-(3-Hydroxyphenyl)-1-(3-phenylpyrrolidin-1-yl)ethanone1458117-33-3C18H19NO2
- 4-(3-(Piperidin-4-ylidenemethyl)phenoxy)phenol1020334-81-9C18H19NO2
- 1-[4-(Benzyloxy)phenyl]-2-[(prop-2-en-1-yl)amino]ethan-1-one920804-37-1C18H19NO2
- 1-[(1S,2R)-2-Hydroxy-1,2-diphenylethyl]pyrrolidin-2-one917966-13-3C18H19NO2
- Methyl 2-Benzyl-1,2,3,4-tetrahydroisoquinoline-6-carboxylate1144523-92-1C18H19NO2
- Benzyl N-[2-(but-3-en-1-yl)phenyl]carbamate1103771-46-5C18H19NO2
- 2-[2-(Cyclohex-1-en-1-yl)-1,3-oxazol-5-yl]-1-(4-methylphenyl)ethan-1-one919778-77-1C18H19NO2
- N-(2-(2,4,5-Trimethylbenzoyl)phenyl)acetamide1415473-86-7C18H19NO2
- 4-(4-Methoxyphenoxy)-2-methyl-2-phenylbutanenitrile1266749-06-7C18H19NO2
- 3-(4-(tert-Butyl)phenyl)-3-hydroxyindolin-2-one1547163-95-0C18H19NO2
- (3S,5R)-3-Benzyl-4-methyl-5-phenylmorpholin-2-one210036-27-4C18H19NO2
- 3-(Piperidin-1-yl)biphenyl-4-carboxylic acid1425040-27-2C18H19NO2
- N-((1S,3r)-3-Allyl-3-hydroxycyclobutyl)-2-naphthamide1313759-97-5C18H19NO2
- 3'-Cyclopropylaminomethylbiphenyl-3-carboxylic acid methyl ester2270911-02-7C18H19NO2
- N-[Bis(2-methylphenyl)methyl]oxirane-2-carboxamide2411315-35-8C18H19NO2
- (6aS)-10-Methoxy-6-methyl-5,6,6a,7-tetrahydro-4H-dibenzo[de,g]quinolin-2-ol14140-16-0C18H19NO2
- 2-[2-(Benzyloxy)-4-methoxyphenyl]butanenitrile1823773-04-1C18H19NO2
- 4-{[(4-Ethylphenyl)imino]methyl}phenyl propanoate37168-13-1C18H19NO2
- 1-[(4-Methoxyphenyl)methyl]-4-phenylpyrrolidin-2-one2901803-64-1C18H19NO2
- Ethyl 1-(3'-amino-[1,1'-biphenyl]-4-yl)cyclopropanecarboxylate3078351-10-4C18H19NO2
- Benzyl (2S,4R)-4-phenylpyrrolidine-2-carboxylate2766203-57-8C18H19NO2
- 1-(5-(Benzyloxy)-1H-indol-1-yl)propan-2-ol259859-20-6C18H19NO2
- (S)-2-Isopropyl-6-(4-phenyl-4,5-dihydrooxazol-2-yl)phenol2988880-65-3C18H19NO2
- (2S,4S)-4-Benzhydrylpyrrolidine-2-carboxylic acid1049982-09-3C18H19NO2
- 3-(2-Ethoxyanilino)-1-phenylbut-2-en-1-one864838-67-5C18H19NO2
- Benzamide,2-benzoyl-N-(1,1-dimethylethyl)-27828-75-7C18H19NO2
- (3R)-3-(Dibenzylamino)oxolan-2-one434308-68-6C18H19NO2
- 4-(4-Methoxyphenyl)-3,3-dimethyl-1-phenylazetidin-2-one74185-89-0C18H19NO2
- 3-Benzyl-5,5-dimethyl-4-phenyl-1,3-oxazolidin-2-one61031-56-9C18H19NO2
- Benzyl benzyl(cyclopropyl)carbamate88048-45-7C18H19NO2
- 2-Ethyl-5-methoxy-3-(4-methoxyphenyl)-1H-indole91444-15-4C18H19NO2
- 6-(Dimethylamino)-2,4,9-trimethyl-3H-xanthen-3-one106342-02-3C18H19NO2
- 4-(2-{[(2H-1-Benzopyran-3-yl)methyl]amino}ethyl)phenol111925-22-5C18H19NO2
- 3-Benzyl-5-methoxy-1,3-dimethylindol-2-one123273-05-2C18H19NO2
- 3-(Dibenzylamino)dihydrofuran-2(3H)-one50992-08-0C18H19NO2
- (S)-3-(Dibenzylamino)dihydrofuran-2(3H)-one127927-61-1C18H19NO2
- Benzyl (1,2,3,4-tetrahydronaphthalen-1-yl)carbamate197173-36-7C18H19NO2
- 2-Methylpropyl (diphenylmethylidene)carbamate141779-09-1C18H19NO2
- 1-[4-(Dimethylamino)phenyl]-1-(4-methoxyphenyl)prop-2-yn-1-ol263026-74-0C18H19NO2
- Methyl 3-[(3-phenylcyclobutyl)amino]benzoate1156291-12-1C18H19NO2
- 3-(2,3-Dihydro-1-benzofuran-5-yl)-N-(3-methylphenyl)propanamide1334496-77-3C18H19NO2
- Ethyl 2-benzylisoindoline-5-carboxylate185962-15-6C18H19NO2
- 1-Benzylidene-6,7-dimethoxy-1,2,3,4-tetrahydroisoquinoline823234-53-3C18H19NO2
- Ethyl 2-cyano-3-phenylbicyclo[2.2.2]oct-5-ene-2-carboxylate89229-92-5C18H19NO2
- 3-Methoxy-1,3-dimethyl-4,4-diphenylazetidin-2-one89321-26-6C18H19NO2
- 3-{[(4-Acetylphenyl)methyl]amino}-1-phenylpropan-1-one89787-35-9C18H19NO2
- 2-Hydroxy-2-phenyl-1-(2-phenylpyrrolidin-1-yl)ethan-1-one96786-29-7C18H19NO2
- Benzyl 3-[4-(dimethylamino)phenyl]prop-2-enoate123562-45-8C18H19NO2
- 2-(2-Hydroxyphenyl)-3-methyl-6-phenylpiperidin-4-one393508-56-0C18H19NO2
- N-[1-(4-Methylphenyl)-3-oxo-3-phenylpropyl]acetamide195969-33-6C18H19NO2
- 5-Anilino-4-hydroxy-4-methyl-1-phenylpent-1-en-3-one63934-22-5C18H19NO2
- Methyl 4,5-diphenylpyrrolidine-3-carboxylate62920-84-7C18H19NO2
- (2S,3aR)-2,3a-Diphenylhexahydro[1,2]oxazolo[2,3-b][1,2]oxazine62682-35-3C18H19NO2
- 3,8-Diphenyltetrahydro-1H,3H-[1,3]oxazolo[4,3-c][1,4]oxazine62196-70-7C18H19NO2
- Ethyl 3-[2-(4-methylanilino)phenyl]prop-2-enoate25628-40-4C18H19NO2
- 3-[5-(Benzyloxy)-3-indolyl]-1-propanol1000542-22-2C18H19NO2
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 (5-Cyclopropyl-6-methoxypyridin-2-yl)(4-ethylphenyl)methanone, 1,2,3,4-Tetrahydronaphthalen-1-yl 4-amino-2-methylbenzoate, 1-(Diphenylmethyl)-4-(hydroxymethyl)-2-pyrrolidinone. 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.