Molecular formula
C20H21N3O3
400 compounds have this formula on CompoundList.
- Molar mass
- 351.41g/mol
- Monoisotopic mass
- 357.1960Da
- Atoms
- 47
- Elements
- 4
- Rings plus double bonds
- 12
The formula C20H21N3O3 describes a molecule made of 20 carbon atoms, 21 hydrogen atoms, 3 nitrogen atoms 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 × 2068.36%12.011 × 20 = 240.220 g/mol
- H Hydrogen × 216.02%1.008 × 21 = 21.168 g/mol
- N Nitrogen × 311.96%14.007 × 3 = 42.021 g/mol
- O Oxygen × 313.66%15.999 × 3 = 47.997 g/mol
Look up another formula
Compounds with the formula C20H21N3O3
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 201 to 300 of 400 compounds
![N-(3,4-Dimethylphenyl)-N'-[(E)-(3-prop-2-enoxyphenyl)methylideneamino]oxamide chemical structure, C20H21N3O3, CAS 352012-38-5](/s/RCPGZVMFMBIXDP-FYJGNVAPSA-N.svg)
N-(3,4-Dimethylphenyl)-N'-[(E)-(3-prop-2-enoxyphenyl)methylideneamino]oxamide
CAS 352012-38-5C20H21N3O3
![[(1-Cyanocyclohexyl)carbamoyl]methyl 2-methylquinoline-4-carboxylate chemical structure, C20H21N3O3, CAS 1002449-71-9](/s/NUVSZCJPBXYFJK-UHFFFAOYSA-N.svg)
[(1-Cyanocyclohexyl)carbamoyl]methyl 2-methylquinoline-4-carboxylate
CAS 1002449-71-9C20H21N3O3
1-Ethyl-N-(3-methoxyphenethyl)-2-oxo-1,2-dihydro-1,8-naphthyridine-3-carboxamide
CAS 942010-58-4C20H21N3O3
![N-[2-(2,6-Dimethylphenoxy)ethyl]-3-methyl-4-oxo-3,4-dihydrophthalazine-1-carboxamide chemical structure, C20H21N3O3, CAS 893780-47-7](/s/ULNQCAAIICIAIN-UHFFFAOYSA-N.svg)
N-[2-(2,6-Dimethylphenoxy)ethyl]-3-methyl-4-oxo-3,4-dihydrophthalazine-1-carboxamide
CAS 893780-47-7C20H21N3O3
![2-(3,4-Dimethylphenoxy)-N-[[3-(3-methylphenyl)-1,2,4-oxadiazol-5-yl]methyl]acetamide chemical structure, C20H21N3O3, CAS 898117-35-6](/s/ORYLUUJGYCTHAQ-UHFFFAOYSA-N.svg)
2-(3,4-Dimethylphenoxy)-N-[[3-(3-methylphenyl)-1,2,4-oxadiazol-5-yl]methyl]acetamide
CAS 898117-35-6C20H21N3O3
2-(4-tert-Butylphenoxy)-N-(4-phenyl-1,2,5-oxadiazol-3-yl)acetamide
CAS 880791-50-4C20H21N3O3
![N-[4-(4-Methylphenyl)-1,2,5-oxadiazol-3-yl]-4-(2-methylpropoxy)benzamide chemical structure, C20H21N3O3, CAS 866237-78-7](/s/PZFQKKKCXOYMBM-UHFFFAOYSA-N.svg)
N-[4-(4-Methylphenyl)-1,2,5-oxadiazol-3-yl]-4-(2-methylpropoxy)benzamide
CAS 866237-78-7C20H21N3O3
N-(Furan-2-ylmethyl)-4-(6-oxo-3-(p-tolyl)pyridazin-1(6H)-yl)butanamide
CAS 953148-18-0C20H21N3O3
5-(Butylamino)-2-(5-((p-tolyloxy)methyl)furan-2-yl)oxazole-4-carbonitrile
CAS 931317-34-9C20H21N3O3
![2-Oxo-8-(prop-2-en-1-yl)-N-[(1,3,5-trimethyl-1H-pyrazol-4-yl)methyl]-2H-chromene-3-carboxamide chemical structure, C20H21N3O3, CAS 1005878-72-7](/s/UMUYCISCUFJSNA-UHFFFAOYSA-N.svg)
2-Oxo-8-(prop-2-en-1-yl)-N-[(1,3,5-trimethyl-1H-pyrazol-4-yl)methyl]-2H-chromene-3-carboxamide
CAS 1005878-72-7C20H21N3O3
![N~2~-[4-(3-methoxyanilino)-4-oxobutyl]-1H-indole-2-carboxamide chemical structure, C20H21N3O3, CAS 951969-90-7](/s/WGHXVCNFMMWWKL-UHFFFAOYSA-N.svg)
N~2~-[4-(3-methoxyanilino)-4-oxobutyl]-1H-indole-2-carboxamide
CAS 951969-90-7C20H21N3O3
N-(1-(4-Methoxyphenyl)-5-oxopyrrolidin-3-yl)indoline-1-carboxamide
CAS 894029-16-4C20H21N3O3
N1-(4-methylbenzyl)-N2-(3-(2-oxopyrrolidin-1-yl)phenyl)oxalamide
CAS 941890-35-3C20H21N3O3
N1-benzyl-N2-(3-(2-oxopiperidin-1-yl)phenyl)oxalamide
CAS 941873-50-3C20H21N3O3
![N-{2-[3-(4-Methoxyphenyl)-1,2,4-oxadiazol-5-yl]phenyl}-2,2-dimethylpropanamide chemical structure, C20H21N3O3, CAS 931325-13-2](/s/DVWUKGDUZIZCJS-UHFFFAOYSA-N.svg)
N-{2-[3-(4-Methoxyphenyl)-1,2,4-oxadiazol-5-yl]phenyl}-2,2-dimethylpropanamide
CAS 931325-13-2C20H21N3O3
N-Butyl-3-(4-methylphenyl)-2,4-dioxo-1,2,3,4-tetrahydroquinazoline-7-carboxamide
CAS 892276-40-3C20H21N3O3
![[(2-{[2-(1H-Indol-3-yl)ethyl]amino}-2-oxoethyl)-(phenyl)amino]acetic acid chemical structure, C20H21N3O3, CAS 1142204-71-4](/s/RMGPKDNBXHQROJ-UHFFFAOYSA-N.svg)
[(2-{[2-(1H-Indol-3-yl)ethyl]amino}-2-oxoethyl)-(phenyl)amino]acetic acid
CAS 1142204-71-4C20H21N3O3
3-(2-Methoxyphenyl)-N-(2-methylpropyl)-4-oxo-3,4-dihydroquinazoline-7-carboxamide
CAS 1144441-38-2C20H21N3O3
![1-Ethyl-N~3~-(4-hydroxyphenethyl)-7-methyl-4-oxo-1,4-dihydro[1,8]naphthyridine-3-carboxamide chemical structure, C20H21N3O3, CAS 1010931-72-2](/s/KOXHKVLUHWZDOQ-UHFFFAOYSA-N.svg)
1-Ethyl-N~3~-(4-hydroxyphenethyl)-7-methyl-4-oxo-1,4-dihydro[1,8]naphthyridine-3-carboxamide
CAS 1010931-72-2C20H21N3O3
3-Methylbenzyl 1-(4-ethoxyphenyl)-5-methyl-1H-1,2,3-triazole-4-carboxylate
CAS 946242-16-6C20H21N3O3
![4-Butoxy-N-{2-methyl-4-oxo-4H-pyrido[1,2-a]pyrimidin-3-yl}benzamide chemical structure, C20H21N3O3, CAS 946381-32-4](/s/IJRQFMNQJHSOEV-UHFFFAOYSA-N.svg)
4-Butoxy-N-{2-methyl-4-oxo-4H-pyrido[1,2-a]pyrimidin-3-yl}benzamide
CAS 946381-32-4C20H21N3O3
N-(4-(2-(Methylamino)-2-oxoethyl)phenyl)-5-oxo-1-phenylpyrrolidine-3-carboxamide
CAS 1060252-29-0C20H21N3O3
5-(4-(2-Phenylcyclopropanecarbonyl)piperazine-1-carbonyl)pyridin-2(1H)-one
CAS 1207033-03-1C20H21N3O3
2,5-Dioxo-N-phenyl-1-(2-phenylethyl)-4-imidazolidinepropanamide
CAS 1214025-51-0C20H21N3O3
- 4-((3-(4-(Benzyloxy)phenyl)-1,2,4-oxadiazol-5-yl)methyl)morpholine1252863-93-6C20H21N3O3
- 2-(4-Methoxyphenyl)-N-[2-(tetrahydrofuran-2-yl)-1H-benzimidazol-5-yl]acetamide1232802-23-1C20H21N3O3
- N-(4-Methoxyphenyl)-7-methyl-4-oxo-1-propyl-1,4-dihydro-1,8-naphthyridine-3-carboxamide1251611-70-7C20H21N3O3
- 2-Ethoxy-N-[1-(2-hydroxyethyl)-3-phenyl-1H-pyrazol-5-yl]benzamide1226434-83-8C20H21N3O3
- N-(3-Methoxypropyl)-2-[3-(2-naphthyl)-6-oxo-1(6H)-pyridazinyl]acetamide1246070-24-5C20H21N3O3
- 2-(3-(Furan-2-yl)-6-oxopyridazin-1(6H)-yl)-N-(4-phenylbutan-2-yl)acetamide1246059-49-3C20H21N3O3
- N-[1-(Furan-2-ylcarbonyl)piperidin-4-yl]-1-methyl-1H-indole-2-carboxamide1282109-66-3C20H21N3O3
- 3-{2-Methoxy-6-[2-(4-methoxy-phenyl)-ethylamino]-pyrimidin-4-yl}-phenol885066-61-5C20H21N3O3
- 1,1-Dimethylethyl 5-(4-aminofuro[3,2-c]pyridin-3-yl)-2,3-dihydro-1H-indole-1-carboxylate1337532-93-0C20H21N3O3
- 4-Methoxy-N-[3-(2-methylpropyl)-4-oxo-3,4-dihydroquinazolin-6-yl]benzamide1574307-45-1C20H21N3O3
- 4-Isopropoxy-N-((3-methyl-4-oxo-3,4-dihydrophthalazin-1-yl)methyl)benzamide1421583-67-6C20H21N3O3
- 2-((2,2-Dimethyl-2,3-dihydrobenzofuran-7-yl)oxy)-N-(pyrazolo[1,5-a]pyridin-3-ylmethyl)acetamide1396807-95-6C20H21N3O3
- 3-Cyclopropyl-1-(3,5-dimethoxybenzyl)-4-phenyl-1H-1,2,4-triazol-5(4H)-one1396853-99-8C20H21N3O3
- N-(2-(Cyclopropanecarbonyl)-1,2,3,4-tetrahydroisoquinolin-7-yl)-5-cyclopropylisoxazole-3-carboxamide1396628-12-8C20H21N3O3
- N-Cyclopropyl-N-(imidazo[1,2-a]pyridin-3-ylmethyl)-3,5-dimethoxybenzamide1448037-26-0C20H21N3O3
- 2-[4-(Acetylamino)-1H-indol-1-yl]-N-(4-methoxybenzyl)acetamide1574493-78-9C20H21N3O3
- 2-[4-(Acetylamino)-1H-indol-1-yl]-N-(2-methoxybenzyl)acetamide1574366-71-4C20H21N3O3
- 2-[4-(Acetylamino)-1H-indol-1-yl]-N-[2-(4-hydroxyphenyl)ethyl]acetamide1630870-93-7C20H21N3O3
- 2-(3,5-Dimethylisoxazol-4-yl)-1-(3-(quinolin-2-yloxy)pyrrolidin-1-yl)ethanone2034319-69-0C20H21N3O3
- Egfr-IN-642416924-93-9C20H21N3O3
- 4-Amino-5-(4-methoxyphenyl)-1-(3-phenoxypropyl)pyrimidin-2-one23572-61-4C20H21N3O3
- N'-[1-(4-Ethylphenyl)-2,5-dioxopyrrolidin-3-yl]-4-methylbenzohydrazide957002-82-3C20H21N3O3
- N-[[3-(4-Methoxyphenyl)-1,2,4-oxadiazol-5-yl]methyl]-N-methyl-3-phenylpropanamide892685-00-6C20H21N3O3
- N-[[3-(3-Methylphenyl)-1,2,4-oxadiazol-5-yl]methyl]-2-phenoxybutanamide899523-44-5C20H21N3O3
- N-Ethyl-N-[[3-(4-methylphenyl)-1,2,4-oxadiazol-5-yl]methyl]-2-phenoxyacetamide898119-70-5C20H21N3O3
- N'-(1-Acetyl-3,4-dihydro-2H-quinolin-7-yl)-N-(4-methylphenyl)oxamide898439-72-0C20H21N3O3
- 1-Ethyl-N-(2-methoxyphenethyl)-2-oxo-1,2-dihydro-1,8-naphthyridine-3-carboxamide941885-40-1C20H21N3O3
- N-[[3-(4-Methoxyphenyl)-1,2,4-oxadiazol-5-yl]methyl]-N,2,5-trimethylbenzamide915924-90-2C20H21N3O3
- 1H-Indole-7-carboxylic acid,[2-(3,4-dimethoxyphenyl)-1-methylethylidene]hydrazide373376-47-7C20H21N3O3
- 3-(Acetylamino)-N-[2-(5-methoxy-1H-indol-3-yl)ethyl]benzamide919736-88-2C20H21N3O3
- (4-(2-Methoxyphenyl)piperazin-1-yl)(5-methylfuro[3,2-b]pyridin-2-yl)methanone941928-08-1C20H21N3O3
- (4-(3-Methoxyphenyl)piperazin-1-yl)(5-methylfuro[3,2-b]pyridin-2-yl)methanone941881-46-5C20H21N3O3
- 1-(4-Ethoxyphenyl)-3-{[(2-methoxyphenyl)methyl]amino}-1,2-dihydropyrazin-2-one899950-62-0C20H21N3O3
- N-(2-(3-(Furan-2-yl)-6-oxopyridazin-1(6H)-yl)ethyl)-4-phenylbutanamide953999-67-2C20H21N3O3
- N-Ethyl-2-phenoxy-N-[(3-phenyl-1,2,4-oxadiazol-5-yl)methyl]propanamide899523-17-2C20H21N3O3
- 2-{3-[(3,5-Dimethyl-1H-pyrazol-1-yl)methyl]phenyl}hexahydro-1H-4,7-epoxyisoindole-1,3(2H)-dione1052582-06-5C20H21N3O3
- 3-Ethoxy-N-{4-[4-(propan-2-yl)phenyl]-1,2,5-oxadiazol-3-yl}benzamide942894-97-5C20H21N3O3
- N-[3-(Acetylamino)phenyl]-1-benzyl-5-oxopyrrolidine-3-carboxamide1062029-40-6C20H21N3O3
- N-(1-(3-Methoxyphenyl)-5-oxopyrrolidin-3-yl)indoline-1-carboxamide894017-88-0C20H21N3O3
- 1-(4-Acetylphenyl)-3-(1-(2-methoxyethyl)-1H-indol-3-yl)urea941951-88-8C20H21N3O3
- 1-(3-Acetylphenyl)-3-(1-(2-methoxyethyl)-1H-indol-3-yl)urea941909-00-8C20H21N3O3
- 1-(2-Ethoxyphenyl)-3-{[(3-methoxyphenyl)methyl]amino}-1,2-dihydropyrazin-2-one899950-92-6C20H21N3O3
- 1-Benzyl-4-(cyclopropylcarbonyl)-5-(1-ethyl-1H-pyrazol-4-yl)-3-hydroxy-1,5-dihydro-2H-pyrrol-2-one1006334-30-0C20H21N3O3
- (2-Methylphenyl)methyl 1-(2-ethoxyphenyl)-5-methyl-1H-1,2,3-triazole-4-carboxylate1040652-38-7C20H21N3O3
- N-(2-Methoxybenzyl)-4-(4-oxoquinazolin-3(4H)-yl)butanamide1190290-23-3C20H21N3O3
- 1-Methyl-N-{2-[(phenoxyacetyl)amino]ethyl}-1H-indole-2-carboxamide1144498-17-8C20H21N3O3
- N-(2-{[(2-Methoxyphenyl)acetyl]amino}ethyl)-1H-indole-3-carboxamide1010928-10-5C20H21N3O3
- N-{2,7-Dimethyl-4-oxo-4H-pyrido[1,2-a]pyrimidin-3-yl}-2-(4-ethoxyphenyl)acetamide946257-24-5C20H21N3O3
- N-(5-Acetamido-2-methoxyphenyl)-2-(1-methyl-1H-indol-3-yl)acetamide1209750-60-6C20H21N3O3
- 4-(4-Methoxybenzyloxy)-7-morpholin-4-ylquinazoline1334602-76-4C20H21N3O3
- 2-(3,4-Dihydroisoquinolin-2(1H)-ylmethyl)-7,8-dimethoxyphthalazin-1(2H)-one1401590-78-0C20H21N3O3
- 2-((1-(2-Phenoxypropanoyl)piperidin-4-yl)oxy)nicotinonitrile1797746-05-4C20H21N3O3
- Methyl 3-({[(1-cyano-1-cyclopropylethyl)carbamoyl]methyl}amino)naphthalene-2-carboxylate1427648-40-5C20H21N3O3
- N-[2-(1H-Benzimidazol-2-yl)ethyl]-2-(3,4-dihydro-2H-1,5-benzodioxepin-7-yl)acetamide1574344-73-2C20H21N3O3
- (E)-N-((1-(Benzo[d]oxazol-2-yl)piperidin-4-yl)methyl)-3-(furan-2-yl)acrylamide1798402-59-1C20H21N3O3
- Furan-2-yl(3-((3-(o-tolyl)-1,2,4-oxadiazol-5-yl)methyl)piperidin-1-yl)methanone1705069-33-5C20H21N3O3
- 2-(3,5-Dimethylisoxazol-4-yl)-1-(3-(quinolin-8-yloxy)pyrrolidin-1-yl)ethanone2034276-98-5C20H21N3O3
- N-((1H-Indol-3-yl)methyl)-6-((tetrahydro-2H-pyran-4-yl)oxy)nicotinamide1903555-30-5C20H21N3O3
- N-(2-(4-Methoxy-6-methyl-2-oxopyridin-1(2H)-yl)ethyl)-4-(1H-pyrrol-1-yl)benzamide2034548-26-8C20H21N3O3
- 4-(3-(Pyridin-3-yloxy)azetidine-1-carbonyl)-1-(p-tolyl)pyrrolidin-2-one1903225-29-5C20H21N3O3
- (6-Methoxy-1H-indol-2-yl)(3-((5-methylpyridin-2-yl)oxy)pyrrolidin-1-yl)methanone1903870-08-5C20H21N3O3
- 3-(1-(2,5-Dimethylfuran-3-carbonyl)piperidin-3-yl)quinazolin-4(3H)-one2034296-40-5C20H21N3O3
- Benzofuran-2-yl(3-((2,6-dimethylpyrimidin-4-yl)oxy)piperidin-1-yl)methanone2034500-23-5C20H21N3O3
- N-((3-(Furan-3-yl)pyrazin-2-yl)methyl)-2-(4-isopropylphenoxy)acetamide2034395-04-3C20H21N3O3
- N-((5-(2-Oxopyrrolidin-1-yl)pyridin-3-yl)methyl)chroman-2-carboxamide2034567-48-9C20H21N3O3
- N-((2-(2-Oxopyrrolidin-1-yl)pyridin-4-yl)methyl)chroman-2-carboxamide2034466-10-7C20H21N3O3
- 1-(Hydroxymethyl)-N-[4-(2-oxoazetidin-1-yl)phenyl]-3,4-dihydro-1H-isoquinoline-2-carboxamide1952033-33-8C20H21N3O3
- 3-{1-Oxo-4-[2-(piperidin-4-yl)ethynyl]-2,3-dihydro-1H-isoindol-2-yl}piperidine-2,6-dione2138440-50-1C20H21N3O3
- ((1R,5S)-3-(1H-Imidazol-1-yl)-8-azabicyclo[3.2.1]octan-8-yl)(7-methoxybenzofuran-2-yl)methanone2320956-55-4C20H21N3O3
- 7-Amino-18-oxo-11,19-diazapentacyclo[11.7.1.02,11.05,10.014,19]henicosa-5(10),6,8,14,16-pentaene-3-carboxylic acid2396581-40-9C20H21N3O3
- 3-{1-Oxo-5-[2-(piperidin-4-yl)ethynyl]-2,3-dihydro-1H-isoindol-2-yl}piperidine-2,6-dione2412058-06-9C20H21N3O3
- N-(3,5-Dimethoxyphenyl)[4-(3,5-dimethylpyrazolyl)phenyl]carboxamide882219-40-1C20H21N3O3
- N-Benzyl-5-(2,4-dioxo-1H-quinazolin-3-yl)pentanamide1022598-59-9C20H21N3O3
- N-(2,4-Dimethylphenyl)-3-[3-(4-methoxyphenyl)-1,2,4-oxadiazol-5-yl]propanamide877802-98-7C20H21N3O3
- 4-(Pentyloxy)-N-(5-phenyl-1,3,4-oxadiazol-2-yl)benzamide865287-53-2C20H21N3O3
- Piperazine, 1-(2-methyl-3-(4-nitrophenyl)-1-oxo-2-propenyl)-4-phenyl-76691-30-0C20H21N3O3
Frequently asked questions
What is the molar mass of C20H21N3O3?
The molar mass of C20H21N3O3 is 351.41 g/mol, calculated from standard atomic weights for 20 carbon atoms, 21 hydrogen atoms, 3 nitrogen atoms and 3 oxygen atoms. The monoisotopic mass is 357.1960 Da.
How many compounds have the formula C20H21N3O3?
CompoundList lists 400 compounds with the molecular formula C20H21N3O3, including N-(3,4-Dimethylphenyl)-N'-[(E)-(3-prop-2-enoxyphenyl)methylideneamino]oxamide, [(1-Cyanocyclohexyl)carbamoyl]methyl 2-methylquinoline-4-carboxylate, 1-Ethyl-N-(3-methoxyphenethyl)-2-oxo-1,2-dihydro-1,8-naphthyridine-3-carboxamide. 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 C20H21N3O3?
C20H21N3O3 has a degree of unsaturation of 12. 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.