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 301 to 400 of 611 compounds
N-(2-Butan-2-ylphenyl)-2-methoxybenzamide
CAS 637308-11-3C18H21NO2
![N-[4-(2-Methylpropoxy)phenyl]-2-phenylacetamide chemical structure, C18H21NO2, CAS 881090-36-4](/s/CCXZDAAOOKEXKH-UHFFFAOYSA-N.svg)
N-[4-(2-Methylpropoxy)phenyl]-2-phenylacetamide
CAS 881090-36-4C18H21NO2
N-(2-Phenylethyl)-2-propoxybenzamide
CAS 880556-67-2C18H21NO2
(E)-N-(2-Furylmethyl)-3-(4-isobutylphenyl)-2-propenamide
CAS 329778-73-6C18H21NO2
2-(2-Methoxyphenyl)-N-(1-phenylpropyl)acetamide
CAS 898139-73-6C18H21NO2
![N-[1-(4-Methoxyphenyl)ethyl]-2-(4-methylphenyl)acetamide chemical structure, C18H21NO2, CAS 898158-88-8](/s/RIHGHRFMWRJCHM-UHFFFAOYSA-N.svg)
N-[1-(4-Methoxyphenyl)ethyl]-2-(4-methylphenyl)acetamide
CAS 898158-88-8C18H21NO2
![N-[1-(4-Methoxyphenyl)ethyl]-2-(3-methylphenyl)acetamide chemical structure, C18H21NO2, CAS 898160-00-4](/s/MXBRXGJIEFEDRL-UHFFFAOYSA-N.svg)
N-[1-(4-Methoxyphenyl)ethyl]-2-(3-methylphenyl)acetamide
CAS 898160-00-4C18H21NO2
![N-[1-(2,5-Dimethylphenyl)ethyl]-2-phenoxyacetamide chemical structure, C18H21NO2, CAS 894646-17-4](/s/WDHBIJHYOZOUOU-UHFFFAOYSA-N.svg)
N-[1-(2,5-Dimethylphenyl)ethyl]-2-phenoxyacetamide
CAS 894646-17-4C18H21NO2
2-(4-Methoxyphenyl)-N-(1-phenylpropyl)acetamide
CAS 894640-67-6C18H21NO2
N-Benzyl-2-(2,4-dimethylphenoxy)propanamide
CAS 723260-57-9C18H21NO2
RefChem:314192
CAS 47145-36-8C18H21NO2
4-(N,N-Diethylcarbamoyl)benzhydryl alcohol
CAS 186094-07-5C18H21NO2
Methyl 2,2-dimethyl-3-phenyl-3-(phenylamino)propanoate
CAS 23958-65-8C18H21NO2
(1R)-7,8-Dimethoxy-1-phenyl-2,3,4,5-tetrahydro-1H-3-benzazepine
CAS 62717-90-2C18H21NO2
Furo(3,2-c)quinoline, 2-(1-butoxyethyl)-4-methyl-
CAS 88654-61-9C18H21NO2
5,6,7,8-Tetradehydro-3-methoxy-17-methylmorphinan-4-ol
CAS 845-72-7C18H21NO2
methanone chemical structure, C18H21NO2, CAS 104689-69-2](/s/FQKWAYNTRKLICQ-UHFFFAOYSA-N.svg)
[4-(Diethylamino)phenyl](4-methoxyphenyl)methanone
CAS 104689-69-2C18H21NO2
![N-[2-(2-Methylpropoxy)phenyl]-2-phenylacetamide chemical structure, C18H21NO2, CAS 887029-23-4](/s/YWIFFKHIXCXNAE-UHFFFAOYSA-N.svg)
N-[2-(2-Methylpropoxy)phenyl]-2-phenylacetamide
CAS 887029-23-4C18H21NO2
![N-[4-(2-Phenylethoxy)phenyl]butanamide chemical structure, C18H21NO2, CAS 887029-07-4](/s/NVDZICJVWSMGOW-UHFFFAOYSA-N.svg)
N-[4-(2-Phenylethoxy)phenyl]butanamide
CAS 887029-07-4C18H21NO2
![3-{2,5-Dimethyl-1-[3-(propan-2-yl)phenyl]-1H-pyrrol-3-yl}prop-2-enoic acid chemical structure, C18H21NO2, CAS 924858-64-0](/s/DQIFELDJUITYFR-CMDGGOBGSA-N.svg)
3-{2,5-Dimethyl-1-[3-(propan-2-yl)phenyl]-1H-pyrrol-3-yl}prop-2-enoic acid
CAS 924858-64-0C18H21NO2
N-(4-Isopropoxybenzyl)-2-methylbenzamide
CAS 1071362-04-3C18H21NO2
Isoquinoline, 1,2,3,4-tetrahydro-7-methoxy-2-(2-phenoxyethyl)-
CAS 1333577-53-9C18H21NO2
Ethyl 3-((dimethylamino)methyl)(1,1'-biphenyl)-4-carboxylate
CAS 813424-21-4C18H21NO2
![[1-(2-Phenoxyethyl)-3,4-dihydro-2H-quinolin-5-yl]methanol chemical structure, C18H21NO2, CAS 1030848-32-8](/s/AOINKSCOTSPBKA-UHFFFAOYSA-N.svg)
[1-(2-Phenoxyethyl)-3,4-dihydro-2H-quinolin-5-yl]methanol
CAS 1030848-32-8C18H21NO2
- N,N-Diethyl-2-phenyl-4-methoxybenzamide1415045-28-1C18H21NO2
- [(2R,5R)-4-Benzyl-5-phenylmorpholin-2-yl]methanol943442-99-7C18H21NO2
- N-(3-(Benzyloxy)phenethyl)propionamide1847414-86-1C18H21NO2
- 1-{3-Methylidene-8-azabicyclo[3.2.1]octan-8-yl}-4-phenylbutane-1,4-dione2320681-29-4C18H21NO2
- 6-(Diethylamino)-2,3-dihydro-1H-xanthene-4-carbaldehyde1846576-70-2C18H21NO2
- 4-{[(e)-(2-Methoxyphenyl)methylidene]amino}-5-methyl-2-(propan-2-yl)phenol6325-47-9C18H21NO2
- 2-[(3,5-Dimethyl-1,2-oxazol-4-yl)methyl]-2-phenylcyclohexanone18943-10-7C18H21NO2
- 2,3-Dimethoxy-7,7a,8,9,10,12-hexahydronaphtho[1,2-f]indolizine82589-60-4C18H21NO2
- 1,2,3,4-Tetrahydroisoquinoline, 7-benzyloxy-6-methoxy-1-methyl-51745-27-8C18H21NO2
- 2-(2,4-Dimethylphenoxy)-N-(2,6-dimethylphenyl)acetamide438477-42-0C18H21NO2
- 2-(2,4-Dimethylphenoxy)-N-(3,5-dimethylphenyl)acetamide438477-39-5C18H21NO2
- 2-(2,4-Dimethylphenoxy)-N-(2-phenylethyl)acetamide448198-06-9C18H21NO2
- N-Mesityl-2-(4-methylphenoxy)acetamide349473-76-3C18H21NO2
- N-[2-(4-Methoxyphenyl)ethyl]-3,5-dimethylbenzamide700862-45-9C18H21NO2
- N-Benzyl-2-(2,4-dimethylphenoxy)-N-methylacetamide651295-59-9C18H21NO2
- N-(3,4-Dimethylphenyl)-4-propoxybenzamide433312-44-8C18H21NO2
- N-(4-Methylphenyl)-2-(2,4,6-trimethylphenoxy)acetamide382597-98-0C18H21NO2
- N-(3,5-Dimethylphenyl)-3-(4-methoxyphenyl)propanamide541538-51-6C18H21NO2
- 2-(2,3-Dimethylphenoxy)-N-(2-methylphenyl)propanamide692263-24-4C18H21NO2
- 2-(2-Methylphenoxy)-N-(2-phenylethyl)propanamide723261-98-1C18H21NO2
- Morpholine, 2-(phenylmethoxy)-4-(phenylmethyl)-89220-90-6C18H21NO2
- N-(2,6-Dimethylphenyl)-4-propoxybenzamide333435-07-7C18H21NO2
- 3-(4-Ethoxyanilino)-1-(4-methylphenyl)-1-propanone477320-00-6C18H21NO2
- N-Allyl-N-[2-(benzyloxy)-3-methoxybenzyl]amine880805-55-0C18H21NO2
- 3-Phenyl-N-(4-propoxyphenyl)propanamide881229-10-3C18H21NO2
- N-[1-(3-Methoxyphenyl)ethyl]-3-phenylpropanamide894651-12-8C18H21NO2
- N-[1-(3-Methoxyphenyl)ethyl]-2-(3-methylphenyl)acetamide898139-96-3C18H21NO2
- N-[2-(4-Methoxyphenyl)ethyl]-2-(2-methylphenyl)acetamide898153-65-6C18H21NO2
- N-[1-(4-Ethylphenyl)ethyl]-4-methoxybenzamide894614-40-5C18H21NO2
- 2-(2,4-Dimethylphenoxy)-N-(2-methylphenyl)propanamide723260-86-4C18H21NO2
- 3'-(Aminomethyl)-biphenyl-3-carboxylic acid tert-butyl ester180977-31-5C18H21NO2
- N,N-Diethyl-4-(2-methylphenoxy)benzamide224311-62-0C18H21NO2
- Benzoic acid, 4-[[[2-(1,1-dimethylethyl)phenyl]amino]methyl]-833484-97-2C18H21NO2
- N-[3-(3-Phenylpropoxy)phenyl]propanamide71218-98-9C18H21NO2
- Methyl dibenzyl-D-alaninate188798-80-3C18H21NO2
- N-[2-(3-Phenylpropoxy)phenyl]propanamide887029-14-3C18H21NO2
- N-Butyl-4-methoxy-N-phenylbenzamide881796-11-8C18H21NO2
- N-(2-Butoxyphenyl)-2-phenylacetamide898143-82-3C18H21NO2
- N-(3-Butoxyphenyl)-2-phenylacetamide899547-70-7C18H21NO2
- N-[4-(3-Phenylpropoxy)phenyl]propanamide914452-95-2C18H21NO2
- N-Cyclopentyl-2-(naphthalen-2-yloxy)propanamide919465-88-6C18H21NO2
- Ethyl 4'-(3-aminopropyl)-1,1'-biphenyl-4-carboxylate643093-78-1C18H21NO2
- 4-(4-Benzyloxyphenoxy)piperidine162402-34-8C18H21NO2
- Benzeneacetic acid, compd. with 1,2,3,4-tetrahydro-4-methylquinoline (1:1)68992-05-2C18H21NO2
- 2-[Benzyl(2-hydroxyethyl)amino]-1-(4-methylphenyl)ethan-1-one101718-15-4C18H21NO2
- 4-Benzyl-2-(4-methoxyphenyl)morpholine1110717-84-4C18H21NO2
- Ethanone, 1-[2-amino-4-(phenylmethoxy)-3-propylphenyl]-87472-99-9C18H21NO2
- N-Cyclopropyl-3-[3-(methyloxy)propyl]-1-naphthalenecarboxamide1229245-88-8C18H21NO2
- 1-(Diphenylmethyl)-3-(2-hydroxyethyl)azetidin-3-ol934665-27-7C18H21NO2
- 2-(4-(Benzyloxy)-2-methylphenyl)-N,N-dimethylacetamide1402554-80-6C18H21NO2
- N-(3-Hydroxy-3-phenylpropyl)-2,5-dimethylbenzamide1396848-46-6C18H21NO2
- 1-(Chroman-4-yl)-N-(2-methoxybenzyl)methanamine1713479-90-3C18H21NO2
- 1-(2,4-Dimethoxybenzyl)-1,2,3,4-tetrahydroquinoline1709824-84-9C18H21NO2
- 1-(4-Benzyloxyphenyl)piperidin-4-ol1670226-09-1C18H21NO2
- 1-{3-Cyclopropylidene-8-azabicyclo[3.2.1]octan-8-yl}-2-phenoxyethan-1-one2175979-67-4C18H21NO2
- 2-Ethoxy-6-{[4-(propan-2-yl)anilino]methylidene}cyclohexa-2,4-dien-1-one138224-22-3C18H21NO2
- Benzamide, 4-(1,1-dimethylethyl)-N-(2-hydroxyphenyl)-N-methyl-78339-15-8C18H21NO2
- Cyclopropanecarboxylic acid, 2,2-dimethyl-3-(2-methyl-1-propenyl)-, (3-cyanophenyl)methyl ester, (1R,3R)-82488-17-3C18H21NO2
- Benzamide, 3-(3,5-dimethylphenoxy)-N-(1-methylethyl)-65261-64-5C18H21NO2
- 2-(Dimethylamino)-1,2-diphenylethyl acetate17244-97-2C18H21NO2
- 2-(2,4-Dimethylphenoxy)-N-(2-ethylphenyl)acetamide438477-15-7C18H21NO2
- 2-(2,5-Dimethylphenoxy)-N-(2-ethylphenyl)acetamide315712-84-6C18H21NO2
- 3,3-Dimethyl-N-(4-phenoxyphenyl)butanamide667873-96-3C18H21NO2
- N-(2,4-Dimethylphenyl)-4-propoxybenzamide433316-24-6C18H21NO2
- N-(4-Methylbenzyl)-4-(propan-2-yloxy)benzamide915919-45-8C18H21NO2
- 2-(4-Ethylphenyl)-5,6-dimethyl-3a,4,7,7a-tetrahydroisoindole-1,3-dione443668-84-6C18H21NO2
- N-Benzyl-N-isopropyl-4-methoxybenzamide349091-96-9C18H21NO2
- 2-(1,3-Benzodioxol-5-yl)-N-[(2,4-dimethylphenyl)methyl]ethanamine355815-90-6C18H21NO2
- 3-(Furan-2-yl)-4-phenyl-1-pyrrolidin-1-ylbutan-1-one672283-10-2C18H21NO2
- N-Geranyl phthalimide36615-20-0C18H21NO2
- N-[2-(4-Methoxyphenyl)ethyl]-2-(3-methylphenyl)acetamide898158-09-3C18H21NO2
- N-[1-(2,4-Dimethylphenyl)ethyl]-2-phenoxyacetamide894646-00-5C18H21NO2
- 2-(3,4-Dimethylphenyl)-N-(4-methoxybenzyl)acetamide903286-43-1C18H21NO2
- (NE)-N-[3-methoxy-3-(4-phenylphenyl)pentan-2-ylidene]hydroxylamine7472-42-6C18H21NO2
- Benzoic acid, 4-[[[2-(1-methylpropyl)phenyl]amino]methyl]-833484-96-1C18H21NO2
- 1-(4-Hydroxyphenyl)-2,7,8-trimethyl-1,2,3,4-tetrahydroquinolin-6-ol884198-12-3C18H21NO2
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 N-(2-Butan-2-ylphenyl)-2-methoxybenzamide, N-[4-(2-Methylpropoxy)phenyl]-2-phenylacetamide, N-(2-Phenylethyl)-2-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 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.