Molecular formula
C18H21NO2
611 compounds have this formula on CompoundList.
- Molar mass
- 283.37g/mol
- Monoisotopic mass
- 283.1572Da
- Atoms
- 42
- Elements
- 4
- Rings plus double bonds
- 9
The formula C18H21NO2 describes a molecule made of 18 carbon atoms, 21 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 × 1876.30%12.011 × 18 = 216.198 g/mol
- H Hydrogen × 217.47%1.008 × 21 = 21.168 g/mol
- N Nitrogen × 14.94%14.007 × 1 = 14.007 g/mol
- O Oxygen × 211.29%15.999 × 2 = 31.998 g/mol
Look up another formula
Compounds with the formula C18H21NO2
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 401 to 500 of 611 compounds
(3R,5S)-4-Butyl-3,5-diphenyl-1,2,4-dioxazolidine
CAS 87964-46-3C18H21NO2
3-(Phenoxymethyl)-1-(phenylmethyl)-3-pyrrolidinol
CAS 97266-85-8C18H21NO2
3-(Phenoxymethyl)-4-(phenylmethyl)morpholine
CAS 110167-17-4C18H21NO2
![3-[2,5-Dimethyl-1-(4-propylphenyl)-1H-pyrrol-3-yl]prop-2-enoic acid chemical structure, C18H21NO2, CAS 924871-07-8](/s/ZWLQJTNQOIAWRZ-DHZHZOJOSA-N.svg)
3-[2,5-Dimethyl-1-(4-propylphenyl)-1H-pyrrol-3-yl]prop-2-enoic acid
CAS 924871-07-8C18H21NO2
2-(4-Methylphenoxy)-N-(2-methylphenyl)butanamide
CAS 915912-06-0C18H21NO2
![2-Methyl-N-[3-(propan-2-yloxy)benzyl]benzamide chemical structure, C18H21NO2, CAS 931994-33-1](/s/UMVXFDYMAZELBY-UHFFFAOYSA-N.svg)
2-Methyl-N-[3-(propan-2-yloxy)benzyl]benzamide
CAS 931994-33-1C18H21NO2
![3-Methyl-N-[3-(propan-2-yloxy)benzyl]benzamide chemical structure, C18H21NO2, CAS 932217-11-3](/s/UGWAQNAKMPVTNZ-UHFFFAOYSA-N.svg)
3-Methyl-N-[3-(propan-2-yloxy)benzyl]benzamide
CAS 932217-11-3C18H21NO2
N-(3-Methylbenzyl)-2-(3-methylphenoxy)propanamide
CAS 928946-11-6C18H21NO2
N-(2-Methoxybenzyl)-3-(4-methylphenyl)propanamide
CAS 947991-19-7C18H21NO2
N-(2-Ethoxy-ethyl)-2,2-diphenyl-acetamide
CAS 334932-78-4C18H21NO2
(E)-N-(4-Butoxyphenyl)-1-(4-methoxyphenyl)methanimine
CAS 14921-46-1C18H21NO2
1-Benzyl-3-(2-methoxyphenoxy)pyrrolidine
CAS 17741-12-7C18H21NO2
Methyl 3-(benzylamino)-4-phenylbutanoate
CAS 129042-92-8C18H21NO2
2-(4-Diethylcarbamoylphenyl)anisole
CAS 356072-32-7C18H21NO2
1-Benzyl-5,8-dimethoxy-1,2,3,4-tetrahydro-isoquinoline
CAS 1017181-07-5C18H21NO2
6,8-Di-tert-butyl-2-oxo-2H-1-benzopyran-3-carbonitrile
CAS 646053-11-4C18H21NO2
4-Hydroxy-4-(4-phenoxyphenyl)-1-methylpiperidine
CAS 1198284-63-7C18H21NO2
2-(2,5-Dimethylphenyl)-N-(2-methoxybenzyl)acetamide
CAS 1311082-06-0C18H21NO2
![4-[4-(Benzyloxy)phenyl]oxan-4-amine chemical structure, C18H21NO2, CAS 1334103-38-6](/s/LAUWCWSXZMUNOW-UHFFFAOYSA-N.svg)
4-[4-(Benzyloxy)phenyl]oxan-4-amine
CAS 1334103-38-6C18H21NO2
![Ethyl 6-phenethyl-1,4,5,6-tetrahydrocyclopenta[b]pyrrole-2-carboxylate chemical structure, C18H21NO2, CAS 1041431-06-4](/s/QIQLDKOTHYDZMN-UHFFFAOYSA-N.svg)
Ethyl 6-phenethyl-1,4,5,6-tetrahydrocyclopenta[b]pyrrole-2-carboxylate
CAS 1041431-06-4C18H21NO2
(S)-2-(Dibenzylamino)butanoic acid
CAS 881883-88-1C18H21NO2
![2-[Benzyl(methyl)amino]-1-(4-methoxyphenyl)propan-1-one chemical structure, C18H21NO2, CAS 101718-50-7](/s/ZHNPESKZBDMMKG-UHFFFAOYSA-N.svg)
2-[Benzyl(methyl)amino]-1-(4-methoxyphenyl)propan-1-one
CAS 101718-50-7C18H21NO2
N-(2,4-Dimethoxybenzyl)-2,3-dihydro-1H-inden-2-amine
CAS 779292-68-1C18H21NO2
![Methyl 4-(3-phenylpropyl)-1,4,5,6-tetrahydrocyclopenta[b]pyrrole-2-carboxylate chemical structure, C18H21NO2, CAS 1041430-57-2](/s/LGCGYHHLZXJCEP-UHFFFAOYSA-N.svg)
Methyl 4-(3-phenylpropyl)-1,4,5,6-tetrahydrocyclopenta[b]pyrrole-2-carboxylate
CAS 1041430-57-2C18H21NO2
- 1-(4-Butylphenyl)-3-cyclopropyl-5-hydroxypyridin-4(1H)-one1333331-51-3C18H21NO2
- 1-Benzyl-3-(2-methoxyphenyl)pyrrolidin-3-ol648901-34-2C18H21NO2
- Benzenamine, 4-ethoxy-N-[(4-propoxyphenyl)methylene]-70262-78-1C18H21NO2
- N-(3-Hydroxy-3-phenylpropyl)-3-phenylpropanamide1396746-89-6C18H21NO2
- N,N-Dimethyl-2-[phenyl(4-tolyl)methoxy]acetamide17322-51-9C18H21NO2
- N,N-Dimethyl-2-[(2-methylphenyl)(phenyl)methoxy]acetamide17322-49-5C18H21NO2
- N-(1-(Benzofuran-2-yl)propan-2-yl)cyclohex-3-enecarboxamide2034380-17-9C18H21NO2
- (3-(Dibenzylamino)oxetan-2-yl)methanol2087969-03-5C18H21NO2
- Benzyl (4-ethynylbicyclo[2.2.2]octan-1-yl)carbamate2711744-04-4C18H21NO2
- (S)-Ethyl 3-amino-3-(4'-methyl-[1,1'-biphenyl]-3-yl)propanoate2248089-69-0C18H21NO2
- (S)-Ethyl 3-amino-3-(3'-methyl-[1,1'-biphenyl]-3-yl)propanoate2248089-70-3C18H21NO2
- N-Cyclopentyl-N-(2,3-dihydro-1-benzofuran-5-ylmethyl)but-2-ynamide2411245-73-1C18H21NO2
- cis-1-Benzhydryl-2-(methoxymethyl)azetidin-3-ol2940858-31-9C18H21NO2
- Cyclopropanecarboxylic acid, 2,2-dimethyl-3-(2-methyl-1-propenyl)-, (4-cyanophenyl)methyl ester, (1R-trans)-82535-32-8C18H21NO2
- Cyclopropanecarboxylic acid, 2,2-dimethyl-3-(2-methyl-1-propenyl)-, (2-cyanophenyl)methyl ester, (1R-trans)-82488-03-7C18H21NO2
- Benzene, 1,1'-(2-nitrobutylidene)bis(4-methyl-85078-19-9C18H21NO2
- 2-[(1-Methyl-4-prop-1-en-2-yl-7-oxabicyclo[2.2.1]heptan-2-yl)oxymethyl]benzonitrile99765-55-6C18H21NO2
- 2-(3-Hydroxybutylamino)-1,2-diphenylethanoneC18H21NO2
- (2R,4S,5S)-2-(4-Methoxyphenyl)-3,4-dimethyl-5-phenyl-1,3-oxazolidine658052-91-6C18H21NO2
- 2-(3,4-Dimethylphenyl)-N-(2-ethoxyphenyl)acetamide903338-51-2C18H21NO2
- N-(2-Ethylphenyl)-2-(2-methylphenoxy)propanamide723262-00-8C18H21NO2
- N-(2-tert-Butylphenyl)-4-methoxybenzamide692275-50-6C18H21NO2
- 1-(1-(Naphthalen-1-yl)ethyl)piperidine-4-carboxylic acid900109-84-4C18H21NO2
- N-(2,3-Dimethylphenyl)-2-(2-methylphenoxy)propanamide723259-77-6C18H21NO2
- N-(1-Phenylethyl)-2-propoxybenzamide880557-64-2C18H21NO2
- 3-Methoxy-N-(2,4,6-trimethylphenyl)benzeneacetamide1004034-11-0C18H21NO2
- Ethyl 2-amino-2-benzyl-3-phenylpropanoate93949-90-7C18H21NO2
- (2R,5R)-2,5-Bis(4-methoxyphenyl)pyrrolidine154777-25-0C18H21NO2
- Acetamide, N-[2-(4-methylphenoxy)ethyl]-N-(2-methylphenyl)-61293-96-7C18H21NO2
- Acetamide, N-[2-(4-methylphenoxy)ethyl]-N-(3-methylphenyl)-61293-97-8C18H21NO2
- Acetamide, N-[2-(4-methylphenoxy)ethyl]-N-(4-methylphenyl)-61293-98-9C18H21NO2
- 4-tert-Butyl-5-(2,3-dihydro-1H-indol-1-yl)benzene-1,2-diol62411-99-8C18H21NO2
- 5-(Cyclohexylamino)-2,3-dimethyl-1,4-naphthalenedione68217-31-2C18H21NO2
- 2-[Benzyl(propan-2-yl)amino]-1-(4-hydroxyphenyl)ethan-1-one62508-17-2C18H21NO2
- Ethyl 3-(benzylamino)-3-phenylpropanoate39629-53-3C18H21NO2
- 3-(2,5-Dimethylphenoxy)-N-(propan-2-yl)benzamide65261-51-0C18H21NO2
- 2-[Anilino(phenyl)methyl]-3-methylbutanoic acid24982-62-5C18H21NO2
- (1R)-2-[Benzyl(methyl)amino]-1-phenylethyl acetate118162-22-4C18H21NO2
- 1-(4-Methoxyphenoxy)-3-methyl-2,3,4,5-tetrahydro-1H-3-benzazepine89739-62-8C18H21NO2
- 4,5-Dimethyl-2,6-diphenylmorpholin-2-ol124497-76-3C18H21NO2
- 4-Ethoxy-2-(2-methoxyphenyl)-1,2,3,4-tetrahydroquinoline393109-90-5C18H21NO2
- (4-Aminophenyl)[4-(1-methylbutoxy)phenyl]methanone210967-25-2C18H21NO2
- 3-{3-[Benzyl(methyl)amino]propoxy}benzaldehyde65991-10-8C18H21NO2
- Methyl 2-(3,4-dimethyl-3-penten-1-yl)-6-quinolinecarboxylate131790-92-6C18H21NO2
- [Benzyl(propan-2-yl)amino](phenyl)acetic acid875272-60-9C18H21NO2
- 2H-1,3-Oxazine, 3-[[3-(phenoxymethyl)phenyl]meth144458-98-0C18H21NO2
- N-Butyl-N-methyl-3-phenoxybenzamide149589-41-3C18H21NO2
- 5(4H)-Oxazolone, 4-(2-cyclohexen-1-yl)-4-(1-methylethyl)-2-phenyl-214709-09-8C18H21NO2
- N-Benzyl-N-(5-methylfuran-2-yl)cyclopentanecarboxamide62187-49-9C18H21NO2
- 2-Butyl-3-methoxy-N-phenylbenzamide168899-35-2C18H21NO2
- I+/--[[4-(1-Methylethyl)phenyl]methyl]-1,3-benzodioxole-5-methanamine1017185-92-0C18H21NO2
- Methyl 4-((benzyl(ethyl)amino)methyl)benzoate733783-19-2C18H21NO2
- 5-[(2-Benzylphenyl)amino]pentanoic acid1037159-36-6C18H21NO2
- Carbamic acid, N-[(1S)-1-methyl-1-phenylpropyl]-, phenylmethyl ester1146411-19-9C18H21NO2
- N-(2-(Benzyloxy)-5-methoxybenzyl)cyclopropanamine1095180-55-4C18H21NO2
- 5-Methyl-2-[4-(phenylmethoxy)phenyl]morpholine1099679-80-7C18H21NO2
- Ethanone, 1-[1-[2-(1-pyrrolidinyl)ethoxy]-2-naphthalenyl]-1155169-17-7C18H21NO2
- 2,3-Dihydro-N-(1-methylethyl)-5-(phenylmethoxy)-3-benzofuranamine1153452-68-6C18H21NO2
- 2-(Naphthalen-2-yl)-2-(piperidin-1-yl)propanoic acid898379-52-7C18H21NO2
- 8-(Methoxymethyl)-5-phenyl-2,3,4,5-tetrahydro-1H-3-benzazepin-7-ol113080-87-8C18H21NO2
- N-(2-Hydroxy-2-phenylpropyl)-3-phenylpropanamide1351659-87-4C18H21NO2
- N-(2-Hydroxy-2-phenylpropyl)-2,5-dimethylbenzamide1351635-25-0C18H21NO2
- Benzamide, N-[3-(1,1-dimethylethyl)phenyl]-3-methoxy-1029899-16-8C18H21NO2
- 3-Cyclopentyl-2-cyclopropyl-1-methyl-6-indolecarboxylic acid863886-27-5C18H21NO2
- tert-Butyl 2-({[1,1'-biphenyl]-2-yl}amino)acetate1183594-72-0C18H21NO2
- 2,3-Dihydro-N-[(2-methoxy-5-methylphenyl)methyl]-2-benzofuranmethanamine1184216-66-7C18H21NO2
- N-[1-(2-Hydroxyphenyl)ethyl]-N-methylbenzenepropanamide1183141-58-3C18H21NO2
- 3-Cyclopentyl-2-(2-propenyl)-1-methyl-6-indolecarboxylic acid863885-99-8C18H21NO2
- 4-Benzyl-4,5,6,7-tetrahydro-1H-indole-2-carboxylic acid ethyl ester1142816-68-9C18H21NO2
- (2S)-2-[4-(Benzyloxy)phenyl]-4-methylmorpholine920799-43-5C18H21NO2
- (2R)-2-[4-(Benzyloxy)phenyl]-4-methylmorpholine920803-03-8C18H21NO2
- 4-((Methyl-p-tolylamino)methyl)benzoic acid ethyl ester1187212-17-4C18H21NO2
- (E)-1-(4-Ethoxyphenyl)-N-(4-propoxyphenyl)methanimine14921-36-9C18H21NO2
- (1S)-1-[(3,4-Dimethoxyphenyl)methyl]-1,2,3,4-tetrahydroisoquinoline60672-47-1C18H21NO2
- 2-(Benzyl{[(2R,3R)-3-phenyloxiran-2-yl]methyl}amino)ethan-1-ol918656-68-5C18H21NO2
- Methyl (2R)-2-benzyl-3-(benzylamino)propanoate1404370-89-3C18H21NO2
Frequently asked questions
What is the molar mass of C18H21NO2?
The molar mass of C18H21NO2 is 283.37 g/mol, calculated from standard atomic weights for 18 carbon atoms, 21 hydrogen atoms, 1 nitrogen atom and 2 oxygen atoms. The monoisotopic mass is 283.1572 Da.
How many compounds have the formula C18H21NO2?
CompoundList lists 611 compounds with the molecular formula C18H21NO2, including (3R,5S)-4-Butyl-3,5-diphenyl-1,2,4-dioxazolidine, 3-(Phenoxymethyl)-1-(phenylmethyl)-3-pyrrolidinol, 3-(Phenoxymethyl)-4-(phenylmethyl)morpholine. 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 C18H21NO2?
C18H21NO2 has a degree of unsaturation of 9. 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.