Molecular formula
C20H21NO2
221 compounds have this formula on CompoundList.
- Molar mass
- 307.39g/mol
- Monoisotopic mass
- 314.2012Da
- Atoms
- 44
- Elements
- 4
- Rings plus double bonds
- 11
The formula C20H21NO2 describes a molecule made of 20 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 × 2078.15%12.011 × 20 = 240.220 g/mol
- H Hydrogen × 216.89%1.008 × 21 = 21.168 g/mol
- N Nitrogen × 14.56%14.007 × 1 = 14.007 g/mol
- O Oxygen × 210.41%15.999 × 2 = 31.998 g/mol
Look up another formula
Compounds with the formula C20H21NO2
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 101 to 200 of 221 compounds
N-Desmethylcarboxy terbinafine-d7
CAS 1185238-58-7C20H21NO2
![[2-(2,6-Diethylphenyl)-4-phenyl-1,3-oxazol-5-yl]methanol chemical structure, C20H21NO2, CAS 832155-18-7](/s/SZAUVICNTLKCAS-UHFFFAOYSA-N.svg)
[2-(2,6-Diethylphenyl)-4-phenyl-1,3-oxazol-5-yl]methanol
CAS 832155-18-7C20H21NO2
tert-Butyl 5-methyl-2-phenyl-1H-indole-1-carboxylate
CAS 193810-86-5C20H21NO2
4-(2-Methylphenyl)-1,2,3,6-tetrahydropyridine-1-carboxylic acid benzyl ester
CAS 286961-37-3C20H21NO2
1-(4-Cyclopropylidenepiperidin-1-yl)-2-(naphthalen-2-yloxy)ethan-1-one
CAS 2097892-08-3C20H21NO2
![1-{3-Methylidene-8-azabicyclo[3.2.1]octan-8-yl}-2-(naphthalen-2-yloxy)ethan-1-one chemical structure, C20H21NO2, CAS 2320663-55-4](/s/ZWKYVFDOJSOSDI-UHFFFAOYSA-N.svg)
1-{3-Methylidene-8-azabicyclo[3.2.1]octan-8-yl}-2-(naphthalen-2-yloxy)ethan-1-one
CAS 2320663-55-4C20H21NO2
1-(4-(Benzyloxy)-3-methoxyphenyl)cyclopentane-1-carbonitrile
CAS 1260902-97-3C20H21NO2
Fluoren-9-one, 3-methoxy-2-piperidinomethyl-
CAS 42839-78-1C20H21NO2
N-Benzoyl-N-cyclohexylbenzamide
CAS 74449-32-4C20H21NO2
2-Benzoyl-N-cyclohexylbenzamide
CAS 52731-27-8C20H21NO2
2,2,4-Trimethyl-1,2-dihydroquinolin-6-yl 2-methylbenzoate
CAS 672332-38-6C20H21NO2
![3,5,6-Trimethyl-N-[(4-methylphenyl)methyl]-1-benzofuran-2-carboxamide chemical structure, C20H21NO2, CAS 622349-43-3](/s/BDMGIDZRUXCSJU-UHFFFAOYSA-N.svg)
3,5,6-Trimethyl-N-[(4-methylphenyl)methyl]-1-benzofuran-2-carboxamide
CAS 622349-43-3C20H21NO2
![2-Methyl-1-[3-(2-methylphenoxy)propyl]-1H-indole-3-carbaldehyde chemical structure, C20H21NO2, CAS 433948-87-9](/s/NPTFIAWMUJRLPC-UHFFFAOYSA-N.svg)
2-Methyl-1-[3-(2-methylphenoxy)propyl]-1H-indole-3-carbaldehyde
CAS 433948-87-9C20H21NO2
![9-[2,2-Bis(prop-2-enoxy)ethyl]carbazole chemical structure, C20H21NO2, CAS 74914-79-7](/s/VCHKUCNOTHQYDC-UHFFFAOYSA-N.svg)
9-[2,2-Bis(prop-2-enoxy)ethyl]carbazole
CAS 74914-79-7C20H21NO2
(E)-3-Phenyl-N-(2,2,4-trimethyl-3H-1-benzofuran-7-yl)prop-2-enamide
CAS 866150-24-5C20H21NO2
2-(6,7-Dimethyl-1-benzofuran-3-yl)-N-(4-methylbenzyl)acetamide
CAS 866247-67-8C20H21NO2
![4-{[(2,5-Dimethylphenyl)amino]methyl}-7-ethylchromen-2-one chemical structure, C20H21NO2, CAS 872019-17-5](/s/AWZHGEDJXBFWHI-UHFFFAOYSA-N.svg)
4-{[(2,5-Dimethylphenyl)amino]methyl}-7-ethylchromen-2-one
CAS 872019-17-5C20H21NO2
4-Piperidinone, 1-(1-oxo-3,3-diphenylpropyl)-
CAS 105246-18-2C20H21NO2
Oxazole, 4,5-dihydro-4,4-dimethyl-2-(2-methyl-3,3-diphenyloxiranyl)-
CAS 212071-84-6C20H21NO2
2-(Diethylamino)-3,4-diphenyl-2H-furan-5-one
CAS 193359-63-6C20H21NO2
1-Benzyl-3-(2-oxo-2-phenylethyl)-piperidin-4-one
CAS 64996-21-0C20H21NO2
2-(5-Ethyl-1-benzofuran-3-yl)-N-(4-methylbenzyl)acetamide
CAS 866246-63-1C20H21NO2
6,7-Dimethoxy-1-phenyl-2-(prop-2-yn-1-yl)-1,2,3,4-tetrahydroisoquinoline
CAS 924041-83-8C20H21NO2
4-(Diethylamino)-1,3-diphenylbut-3-ene-1,2-dione
CAS 60792-81-6C20H21NO2
- 1-Ethyl-7-(6-hydroxy-1,2,3,4-tetrahydronaphthalen-2-yl)-1H-indol-4-ol722519-91-7C20H21NO2
- (E)-N-Acetyl-N-desmethyl Doxepin250331-54-5C20H21NO2
- 3-[4-(2-Methyl-benzyloxy)-phenyl]-hex-4-ynoic acid amide865233-43-8C20H21NO2
- 3-(4-(tert-Butyl)phenyl)-6-methoxyisoquinolin-1(2H)-one1409965-01-0C20H21NO2
- N-(2-Cyclopropyl-2-hydroxy-2-phenylethyl)cinnamamide1421587-26-9C20H21NO2
- N-((2-Hydroxy-1,2,3,4-tetrahydronaphthalen-2-yl)methyl)cinnamamide1421587-04-3C20H21NO2
- Benzoic acid 1-benzyl-1,2,3,6-tetrahydropyridin-4-ylmethyl ester158984-77-1C20H21NO2
- Methyl 5-benzhydryl-5-azaspiro[2.3]hexane-1-carboxylate1536392-04-7C20H21NO2
- N-((2-Methoxy-2,3-dihydro-1H-inden-2-yl)methyl)cinnamamide2035004-87-4C20H21NO2
- MDMB-CHMCZCA metabolite M32225886-49-5C20H21NO2
- (5S)-1-[(1R)-1-(1-Naphthyl)ethyl]-1-azaspiro[4.4]nonane-2,9-dione2241960-45-0C20H21NO2
- N-[1-(4-Ethoxyphenyl)ethyl]-5-ethynyl-2-methylbenzamide2377030-74-3C20H21NO2
- M1 ligand 12479356-53-9C20H21NO2
- 2-Cyclohexyl-3-hydroxy-3-phenyl-2,3-dihydro-1H-isoindol-1-one3593-38-2C20H21NO2
- (E)-N-(3-Acetylphenyl)-3-(4-propan-2-ylphenyl)prop-2-enamide433320-54-8C20H21NO2
- 2-(1-Adamantylimino)-5-phenylfuran-3-one126681-73-0C20H21NO2
- (E)-2-(Diethylamino)-1,4-diphenylbut-2-ene-1,4-dione26454-87-5C20H21NO2
- N-[3-[(E)-3-Oxo-3-phenylprop-1-enyl]phenyl]pentanamide690675-55-9C20H21NO2
- 1-[(1S,2R)-2-Ethenoxy-1,2-diphenylethyl]pyrrolidin-2-one917965-74-3C20H21NO2
- N-(3-Methylphenyl)-2-[5-(propan-2-yl)-1-benzofuran-3-yl]acetamide879941-22-7C20H21NO2
- N-(2-Methylphenyl)-2-[5-(propan-2-yl)-1-benzofuran-3-yl]acetamide879941-77-2C20H21NO2
- 3-(7-Benzofuranyl)-1-(phenylmethyl)-3-piperidinol133720-61-3C20H21NO2
- 2,2,3-Trimethyl-N-(phenylmethyl)-2H-1-benzopyran-6-carboxamide164179-53-7C20H21NO2
- (1-Benzoyl-4-phenylpiperidin-4-yl)acetaldehyde716358-36-0C20H21NO2
- 9-{4-[(2-Hydroxyethyl)(methyl)amino]-2-butynyl}-9H-fluoren-9-ol1313824-35-9C20H21NO2
- 3-[(3-tert-Butyl-4-methoxyphenyl)methylidene]-1,3-dihydro-2H-indol-2-oneC20H21NO2
- Methyl (1S,3R)-3-[(diphenylmethylene)amino]cyclopentanecarboxylate624734-28-7C20H21NO2
- 4-Methyl-2-[(4-methylphenyl)methylene]-3-oxo-N-phenylpentanamide693793-72-5C20H21NO2
- N-(1-(Benzofuran-2-yl)propan-2-yl)-2-(m-tolyl)acetamide2034558-46-6C20H21NO2
- N-(3-(Benzofuran-2-yl)propyl)-2-(m-tolyl)acetamide2034280-55-0C20H21NO2
- N-(6-Phenylmethoxy-1,2,3,4-tetrahydronaphthalen-2-yl)prop-2-enamide2305480-24-2C20H21NO2
- (4-Methyl-5-phenyl-1,2,4,5-tetrahydro-3-benzazepin-3-yl)-(oxiran-2-yl)methanone2411288-95-2C20H21NO2
- 3-(4-Isopropyl-3,5-dimethoxyphenyl)isoquinoline2758683-57-5C20H21NO2
- 9H-Carbazol-2-ol, 3-methyl-1-(3-methyl-2-buten-1-yl)-, 2-acetate156973-12-5C20H21NO2
- Ethyl 2-cyano-3,3-diphenylpentanoate55417-52-2C20H21NO2
- 2-(4,6-Dimethyl-1-benzofuran-3-yl)-N-(4-ethylphenyl)acetamide830345-23-8C20H21NO2
- Spiro[pyrrolidine-3,9'-[9H]xanthen]-2-one, 1-butyl-648928-56-7C20H21NO2
- 2,6-Dihydro-9-methoxy-2,2,5,11-tetramethylpyrano[3,2-b]carbazole726181-23-3C20H21NO2
- 2H-Pyrrole, 4-[bis(4-methoxyphenyl)methylene]-3,4-dihydro-5-methyl-820213-25-0C20H21NO2
- Cyclopentanecarboxamide, 5-methyl-2-oxo-3-phenyl-N-(phenylmethyl)-634603-49-9C20H21NO2
- Piperidine, 1-(1,3-dioxo-2,3-diphenylpropyl)-61579-95-1C20H21NO2
- 2-Furyl-N-[3-(phenethyloxy)benzyl]methanamine1040684-84-1C20H21NO2
- Methyl 2-cyano-4-phenyl-2-(2-phenylethyl)butanoate1202778-94-6C20H21NO2
- (9H-Fluoren-9-yl)methyl N-(pent-4-en-1-yl)carbamate185563-75-1C20H21NO2
- tert-Butyl (3-([1,1'-biphenyl]-4-yl)prop-2-yn-1-yl)carbamate486437-15-4C20H21NO2
- [4-(1-Butyl-1H-indol-2-yl)phenyl]acetic acid88561-05-1C20H21NO2
- N-Butyl-N-(3-phenylacryloyl)benzamide139359-26-5C20H21NO2
- 9H-Fluoren-9-ylmethyl 4-piperidinecarboxylate148928-44-3C20H21NO2
- (1R,4S,6S)-2-Benzyl-6-phenoxy-2-azabicyclo[2.2.2]octan-3-one60511-87-7C20H21NO2
- Ethyl 3-(1-benzyl-2,3-dihydro-1H-indol-5-yl)prop-2-enoate63263-85-4C20H21NO2
- Ethyl 4-(diphenylmethylidene)prolinate5680-68-2C20H21NO2
- 2-{[1,1'-Biphenyl]-4-carbonyl}-7-oxa-2-azaspiro[3.5]nonane2411201-76-6C20H21NO2
- 1-{[1,1'-Biphenyl]-4-carbonyl}-7-oxa-1-azaspiro[3.5]nonane2411226-86-1C20H21NO2
- (2-Butyl-1H-indol-3-yl)-(4-methoxyphenyl)methanone155335-09-4C20H21NO2
- 1H-Indole-1-carboxylic acid,5-(4-methylphenyl)-,1,1-dimethylethyl ester777061-23-1C20H21NO2
- 9H-Fluoren-9-ylmethyl N-[(E)-3-methylbut-1-enyl]carbamate652135-29-0C20H21NO2
- (R)-1-((S)-1-(Naphthalen-1-yl)ethyl)-1-azaspiro[4.4]nonane-2,6-dione502622-13-1C20H21NO2
- 1-Benzyl-6-(2-oxo-2-phenylethyl)piperidin-2-one88460-90-6C20H21NO2
- 2-(2-{[(Oxan-2-yl)oxy]methyl}phenyl)-1H-indole88207-41-4C20H21NO2
- 1-(4-Methoxyphenyl)-1-(4-(pyrrolidin-1-yl)phenyl)prop-2-yn-1-ol503058-07-9C20H21NO2
- Methyl 2-cyano-2-(4-methylbenzyl)-3-(p-tolyl)propanoate1202778-97-9C20H21NO2
- 5-Aminopentyl anthracene-2-carboxylate89003-77-0C20H21NO2
- 4-Cyanophenyl 4-(hexan-2-yl)benzoate116684-13-0C20H21NO2
- 4-([1,1'-Biphenyl]-4-yl)-N-tert-butyl-4-oxobut-2-enamide652964-99-3C20H21NO2
- Benzyl (1-phenylhexa-1,5-dien-3-yl)carbamate646480-77-5C20H21NO2
- N-{2-[Hydroxy(phenyl)methyl]cyclohex-1-en-1-yl}benzamide87908-49-4C20H21NO2
- 3-[3-Methoxy-4-(pyrrolidin-1-yl)phenyl]-3-phenylprop-2-enal834895-48-6C20H21NO2
- tert-Butyl 2-(p-tolyl)-1H-indole-1-carboxylate193810-71-8C20H21NO2
- N-(4-Methoxybenzyl)-N-benzylpent-4-ynamide932032-73-0C20H21NO2
- (9H-Fluoren-9-yl)methyl N-(2-methylbut-3-en-2-yl)carbamate1040534-20-0C20H21NO2
- tert-Butyl 3-methyl-2-phenyl-1H-indole-1-carboxylate1647124-97-7C20H21NO2
- tert-Butyl 6-methyl-2-phenyl-1H-indole-1-carboxylate1647124-95-5C20H21NO2
- 11-(3-(Dimethylamino)propylidene)-6,11-dihydrodibenzo[b,e]oxepine-2-carbaldehyde2519517-77-0C20H21NO2
- (9H-Fluoren-9-yl)methyl N-(3-methylbut-3-en-1-yl)carbamate1823261-18-2C20H21NO2
- tert-Butyl ((4'-ethynyl-[1,1'-biphenyl]-4-yl)methyl)carbamate2748187-96-2C20H21NO2
- Benzyl N-(2,3-dihydro-1H-inden-1-yl)-N-(prop-2-en-1-yl)carbamate2680810-00-6C20H21NO2
Frequently asked questions
What is the molar mass of C20H21NO2?
The molar mass of C20H21NO2 is 307.39 g/mol, calculated from standard atomic weights for 20 carbon atoms, 21 hydrogen atoms, 1 nitrogen atom and 2 oxygen atoms. The monoisotopic mass is 314.2012 Da.
How many compounds have the formula C20H21NO2?
CompoundList lists 221 compounds with the molecular formula C20H21NO2, including N-Desmethylcarboxy terbinafine-d7, [2-(2,6-Diethylphenyl)-4-phenyl-1,3-oxazol-5-yl]methanol, tert-Butyl 5-methyl-2-phenyl-1H-indole-1-carboxylate. 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 C20H21NO2?
C20H21NO2 has a degree of unsaturation of 11. 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.