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 101 to 200 of 400 compounds
![1-[1-(Naphthalen-1-yl)-2,5-dioxopyrrolidin-3-yl]piperidine-4-carboxamide chemical structure, C20H21N3O3, CAS 311332-70-4](/s/OKNOZPSTYGHIIC-UHFFFAOYSA-N.svg)
1-[1-(Naphthalen-1-yl)-2,5-dioxopyrrolidin-3-yl]piperidine-4-carboxamide
CAS 311332-70-4C20H21N3O3
![2-(3-(4-Methylpiperazin-1-yl)-3-oxopropyl)-1H-benzo[de]isoquinoline-1,3(2H)-dione chemical structure, C20H21N3O3, CAS 342596-28-5](/s/URNNJHXSXRXNJG-UHFFFAOYSA-N.svg)
2-(3-(4-Methylpiperazin-1-yl)-3-oxopropyl)-1H-benzo[de]isoquinoline-1,3(2H)-dione
CAS 342596-28-5C20H21N3O3
D-Phenylalanyl-D-tryptophan
CAS 58607-70-8C20H21N3O3
4-(4-Methoxyphenyl)-6-methyl-N-(4-methylphenyl)-2-oxo-1,2,3,4-tetrahydropyrimidine-5-carboxamide
CAS 331675-96-8C20H21N3O3
![3-Cyclopropyl-6-isopropyl-1-(4-methoxyphenyl)-1H-pyrazolo[3,4-b]pyridine-4-carboxylic acid chemical structure, C20H21N3O3, CAS 1018164-91-4](/s/DCNAANPSCQIJGV-UHFFFAOYSA-N.svg)
3-Cyclopropyl-6-isopropyl-1-(4-methoxyphenyl)-1H-pyrazolo[3,4-b]pyridine-4-carboxylic acid
CAS 1018164-91-4C20H21N3O3
![1-(1-(2-Methoxybenzoyl)piperidin-4-yl)-1H-benzo[d]imidazol-2(3H)-one chemical structure, C20H21N3O3, CAS 521174-09-4](/s/REUOLKHPXFJMPC-UHFFFAOYSA-N.svg)
1-(1-(2-Methoxybenzoyl)piperidin-4-yl)-1H-benzo[d]imidazol-2(3H)-one
CAS 521174-09-4C20H21N3O3
3-Quinolinecarboxamide,5-(dimethylamino)-1,2-dihydro-4-hydroxy-n,1-dimethyl-2-oxo-n-phenyl-
CAS 675575-19-6C20H21N3O3
5-(4-(tert-Butyl)benzamido)-N-hydroxy-1H-indole-2-carboxamide
CAS 2563874-93-9C20H21N3O3
Salicylamide, N-antipyrinyl-N-ethyl-
CAS 15166-24-2C20H21N3O3
![2-({4-[(E)-Phenyldiazenyl]phenyl}carbamoyl)cyclohexanecarboxylic acid chemical structure, C20H21N3O3, CAS 355831-12-8](/s/CNNAEZHUZYDGLU-UHFFFAOYSA-N.svg)
2-({4-[(E)-Phenyldiazenyl]phenyl}carbamoyl)cyclohexanecarboxylic acid
CAS 355831-12-8C20H21N3O3
N-(3,5-Dimethylphenyl)-4-(4-hydroxyphenyl)-6-methyl-2-oxo-1,2,3,4-tetrahydropyrimidine-5-carboxamide
CAS 537679-77-9C20H21N3O3
1-Butyl-4-hydroxy-N-(6-methylpyridin-2-yl)-2-oxo-1,2-dihydroquinoline-3-carboxamide
CAS 368434-12-2C20H21N3O3
4-Hydroxy-1-(2-methylpropyl)-N-(6-methylpyridin-2-yl)-2-oxo-1,2-dihydroquinoline-3-carboxamide
CAS 302801-04-3C20H21N3O3
![Ethyl 2,4-dimethyl-5-{[(naphthalen-1-yl)carbamoyl]amino}-1H-pyrrole-3-carboxylate chemical structure, C20H21N3O3, CAS 696626-45-6](/s/QBBKYNLYFYKGQL-UHFFFAOYSA-N.svg)
Ethyl 2,4-dimethyl-5-{[(naphthalen-1-yl)carbamoyl]amino}-1H-pyrrole-3-carboxylate
CAS 696626-45-6C20H21N3O3
D-Tryptophan, N-L-phenylalanyl-
CAS 66421-20-3C20H21N3O3
4-Benzoyl-1-(2-(dimethylamino)ethyl)-3-hydroxy-5-(pyridin-2-yl)-1H-pyrrol-2(5H)-one
CAS 618878-04-9C20H21N3O3
![(S)-Methyl 2-(2-(2-methyl-1H-benzo[d]imidazol-1-yl)acetamido)-3-phenylpropanoate chemical structure, C20H21N3O3, CAS 40332-25-0](/s/JRBYMRQNQUJCFN-KRWDZBQOSA-N.svg)
(S)-Methyl 2-(2-(2-methyl-1H-benzo[d]imidazol-1-yl)acetamido)-3-phenylpropanoate
CAS 40332-25-0C20H21N3O3
4,4'-((2-Methyl-2-((pyridin-4-yloxy)methyl)propane-1,3-diyl)bis(oxy))dipyridine
CAS 1228960-86-8C20H21N3O3
![tert-Butyl N-[5-(6-hydroxy-2-quinolyl)-2-pyridyl]-N-methyl-carbamate chemical structure, C20H21N3O3, CAS 1374109-51-9](/s/ZDPMDRBWBBDSEJ-UHFFFAOYSA-N.svg)
tert-Butyl N-[5-(6-hydroxy-2-quinolyl)-2-pyridyl]-N-methyl-carbamate
CAS 1374109-51-9C20H21N3O3
2-Anilinoethyl 2-hydroxy-4-methyl-6-phenyl-1,6-dihydropyrimidine-5-carboxylate
CAS 102207-80-7C20H21N3O3
![4-(1,3-Benzodioxol-5-yl)-3,7,7-trimethyl-2,4,6,7,8,9-hexahydro-5H-pyrazolo[3,4-b]quinolin-5-one chemical structure, C20H21N3O3, CAS 865658-70-4](/s/BEOOLTINJRWUPV-UHFFFAOYSA-N.svg)
4-(1,3-Benzodioxol-5-yl)-3,7,7-trimethyl-2,4,6,7,8,9-hexahydro-5H-pyrazolo[3,4-b]quinolin-5-one
CAS 865658-70-4C20H21N3O3
![N'-[(E)-(3-Methoxyphenyl)methylidene]-1-(4-methylphenyl)-5-oxopyrrolidine-3-carbohydrazide chemical structure, C20H21N3O3, CAS 318260-20-7](/s/MVANZBAPAPOSMY-CIAFOILYSA-N.svg)
N'-[(E)-(3-Methoxyphenyl)methylidene]-1-(4-methylphenyl)-5-oxopyrrolidine-3-carbohydrazide
CAS 318260-20-7C20H21N3O3
![(E)-3-(4-Methylphenyl)-1-[4-(4-nitrophenyl)piperazin-1-yl]prop-2-en-1-one chemical structure, C20H21N3O3, CAS 354995-92-9](/s/MYACFFKDRYCMHF-IZZDOVSWSA-N.svg)
(E)-3-(4-Methylphenyl)-1-[4-(4-nitrophenyl)piperazin-1-yl]prop-2-en-1-one
CAS 354995-92-9C20H21N3O3
![4-Benzoyl-1-[2-(dimethylamino)ethyl]-3-hydroxy-5-(pyridin-4-yl)-2,5-dihydro-1H-pyrrol-2-one chemical structure, C20H21N3O3, CAS 381205-08-9](/s/UGXIILQOJHPHIT-FBMGVBCBSA-N.svg)
4-Benzoyl-1-[2-(dimethylamino)ethyl]-3-hydroxy-5-(pyridin-4-yl)-2,5-dihydro-1H-pyrrol-2-one
CAS 381205-08-9C20H21N3O3
- 2-(3-Ethyl-2,4-dioxo-3,4-dihydroquinazolin-1(2H)-yl)-N-(4-ethylphenyl)acetamide879045-11-1C20H21N3O3
- Zolpidem 6-carboxylic acid methyl ester917252-81-4C20H21N3O3
- N-(4-Phenyl-1,2,5-oxadiazol-3-yl)-2-[4-(propan-2-yl)phenoxy]propanamide874129-53-0C20H21N3O3
- 4-(2-Methyl-4,5-dioxoimidazolidin-1-yl)-2,2-diphenylbutanamide503598-05-8C20H21N3O3
- 3-(2,5-Dioxo-2,3,4,5-tetrahydro-1H-benzo[e][1,4]diazepin-3-yl)-N-phenethylpropanamide1190844-90-6C20H21N3O3
- N-(2-Ethoxyphenyl)-2-[(2-ethylquinazolin-4-yl)oxy]acetamide1110962-14-5C20H21N3O3
- N-(1,5-Dimethyl-3-oxo-2-phenylpyrazol-4-yl)-2-(4-methylphenoxy)acetamide65537-13-5C20H21N3O3
- N-(1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)-2-methoxy-3-methylbenzamide311324-09-1C20H21N3O3
- (Z)-6-Hydroxy-7-((4-methylpiperazin-1-yl)methyl)-2-(pyridin-4-ylmethylene)benzofuran-3(2H)-one896839-82-0C20H21N3O3
- (Z)-6-Hydroxy-7-((4-methylpiperazin-1-yl)methyl)-2-(pyridin-3-ylmethylene)benzofuran-3(2H)-one896851-61-9C20H21N3O3
- 1-Benzyl-3-(4-methoxyphenyl)-5-methyltetrahydropyrrolo[3,4-c]pyrazole-4,6(2H,5H)-dione1005107-82-3C20H21N3O3
- 5-Isobutyl-2-phenyl-3-(pyridin-4-yl)dihydro-2H-pyrrolo[3,4-d]isoxazole-4,6(5H,6aH)-dione1005127-71-8C20H21N3O3
- 2-(4-Acetamidophenoxy)-N-[2-(1H-indol-3-yl)ethyl]acetamide946386-53-4C20H21N3O3
- 2-(2-(4-Acetylpiperazin-1-yl)ethyl)-1H-benzo[de]isoquinoline-1,3(2H)-dione723250-15-5C20H21N3O3
- N-[3-(2-Oxopyrrolidin-1-yl)phenyl]-N'-(2-phenylethyl)ethanediamide942012-36-4C20H21N3O3
- N-(2-(3-(Furan-2-yl)-6-oxopyridazin-1(6H)-yl)ethyl)-2-phenylbutanamide954031-89-1C20H21N3O3
- 2-(2,4-Diethoxyphenyl)quinoline-4-carbohydrazide906789-68-2C20H21N3O3
- 1,8,8-Trimethyl-5-phenyl-5,8,9,10-tetrahydropyrimido[4,5-b]quinoline-2,4,6(1H,3H,7H)-trione896012-72-9C20H21N3O3
- 2-Hydroxy-8-methyl-4-oxo-N-(4-phenylbutan-2-yl)-4H-pyrido[1,2-a]pyrimidine-3-carboxamide886897-35-4C20H21N3O3
- (E)-3-(3-Nitrophenyl)-N-(4-piperidin-1-ylphenyl)prop-2-enamide301305-87-3C20H21N3O3
- (E)-3-(4-Butoxy-3-methoxyphenyl)-2-cyano-N-(pyridin-3-yl)acrylamide496021-40-0C20H21N3O3
- N-(1,5-Dimethyl-3-oxo-2-phenylpyrazol-4-yl)-2-phenoxypropanamide713490-41-6C20H21N3O3
- D-Phenylalanyl-L-tryptophan76327-05-4C20H21N3O3
- N'-(1-(4-(1-Methylethyl)phenyl)-2,5-dioxo-3-pyrrolidinyl)benzohydrazide956753-81-4C20H21N3O3
- N-[(E)-[5-[(4-Cyanophenoxy)methyl]furan-2-yl]methylideneamino]cyclohexanecarboxamide445013-51-4C20H21N3O3
- N-[2-(1H-Indol-3-yl)ethyl]-N'-(2-methoxy-5-methylphenyl)oxamide899956-25-3C20H21N3O3
- N-[3-(Acetylamino)phenyl]-1-(2-methylphenyl)-5-oxopyrrolidine-3-carboxamide892714-19-1C20H21N3O3
- 1-[(1-Cyanocyclohexyl)carbamoyl]ethyl quinoline-2-carboxylate938989-89-0C20H21N3O3
- N-(2-{5-[(E)-2-(3,4-dimethoxyphenyl)ethenyl]-1,2,4-oxadiazol-3-yl}ethyl)aniline950247-91-3C20H21N3O3
- (2E)-N-(7,7-Dimethyl-5-oxo-5,6,7,8-tetrahydroquinazolin-2-yl)-3-(4-methoxyphenyl)prop-2-enamide845808-68-6C20H21N3O3
- 3-Methoxy-N-{2-[(1-methyl-1H-indol-3-yl)formamido]ethyl}benzamide1090674-39-7C20H21N3O3
- N-(2,4-Dimethylphenyl)-3-(2,5-dioxo-2,3,4,5-tetrahydro-1H-1,4-benzodiazepin-3-yl)propanamide1190844-31-5C20H21N3O3
- (6,7-Dimethoxy-3,4-dihydroisoquinolin-2(1H)-yl)(2-methylimidazo[1,2-a]pyridin-3-yl)methanone1206999-46-3C20H21N3O3
- N-(4-Ethoxyphenyl)-2-[(2-ethylquinazolin-4-yl)oxy]acetamide1111052-23-3C20H21N3O3
- 7-(Azepan-1-ylsulfonyl)-4-[(5-cyclopropyl-1,2,4-oxadiazol-3-yl)methyl]-6-methyl-2H-1,4-benzoxazin-3(4H)-one1115933-44-2C20H21N3O3
- 2,5-Dimethyl-N-(4-oxo-4-(quinolin-8-ylamino)butyl)furan-3-carboxamide1251616-06-4C20H21N3O3
- Phenyl ((1-(benzo[d]oxazol-2-yl)piperidin-4-yl)methyl)carbamate1797574-82-3C20H21N3O3
- (4Z)-4-{1-[(2-Hydroxyethyl)amino]ethylidene}-2-(4-methoxyphenyl)-5-phenyl-2,4-dihydro-3H-pyrazol-3-one879061-04-8C20H21N3O3
- 2-(3-Methylbutyl)-1,3-dioxo-N-(pyridin-3-ylmethyl)-2,3-dihydro-1H-isoindole-5-carboxamide832109-37-2C20H21N3O3
- (Z)-2-Cyano-N-(4-methoxyphenyl)-3-(5-piperidin-1-ylfuran-2-yl)prop-2-enamide340232-19-1C20H21N3O3
- N-(1,5-Dimethyl-3-oxo-2-phenylpyrazol-4-yl)-2-(2-methoxyphenyl)acetamide108114-68-7C20H21N3O3
- 4-Acetamido-N-[2-(5-methoxy-1H-indol-3-yl)ethyl]benzamide827621-77-2C20H21N3O3
- 5-Oxa-1,2-diazadibenz(cd,f)azulen-3(2H)-one, 6,7-dihydro-2-(2-(4-morpholinyl)ethyl)-83494-72-8C20H21N3O3
- 4-tert-Butyl-N-[5-(4-methoxyphenyl)-1,3,4-oxadiazol-2-yl]benzamide865286-72-2C20H21N3O3
- N-(1-Phenylethyl)-N'-[(E)-(4-prop-2-enoxyphenyl)methylideneamino]oxamide331431-43-7C20H21N3O3
- 7-Hydroxy-8-methyl-4-{[4-(pyridin-2-yl)piperazin-1-yl]methyl}-2H-chromen-2-one849484-48-6C20H21N3O3
- N-(5-(2,4-Dimethylphenyl)-1,3,4-oxadiazol-2-yl)-4-isopropoxybenzamide891114-53-7C20H21N3O3
- N-(5-(2,5-Dimethylphenyl)-1,3,4-oxadiazol-2-yl)-4-isopropoxybenzamide891124-33-7C20H21N3O3
- N-(4-Carbamoylphenyl)-1-(3,4-dimethylphenyl)-5-oxopyrrolidine-3-carboxamide892714-95-3C20H21N3O3
- 1-(2-Ethoxyphenyl)-3-{[(2-methoxyphenyl)methyl]amino}-1,2-dihydropyrazin-2-one899950-86-8C20H21N3O3
- 5-(sec-Butylamino)-2-(5-((p-tolyloxy)methyl)furan-2-yl)oxazole-4-carbonitrile931967-95-2C20H21N3O3
- (2,5-Dimethylphenyl)methyl 1-(2-methoxyphenyl)-5-methyl-1H-1,2,3-triazole-4-carboxylate1040644-90-3C20H21N3O3
- N-(1H-Benzimidazol-2-yl)-4-(4-methoxyphenyl)tetrahydro-2H-pyran-4-carboxamide1091144-32-9C20H21N3O3
- 6-Cyclopropyl-N-[2-(2-methoxyphenyl)ethyl]-3-methylisoxazolo[5,4-b]pyridine-4-carboxamide1090473-99-6C20H21N3O3
- 1-(4-(5-(Furan-2-yl)-1,3,4-oxadiazol-2-yl)piperidin-1-yl)-2-(m-tolyl)ethanone1210463-59-4C20H21N3O3
- N-[2-(Propan-2-yl)-1H-benzimidazol-5-yl]-3,4-dihydro-2H-1,5-benzodioxepine-7-carboxamide1219560-58-3C20H21N3O3
- N-(4-Ethoxyphenyl)-2-(5-oxo-3-(p-tolyl)-2,5-dihydro-1H-pyrazol-1-yl)acetamide1251670-59-3C20H21N3O3
- N-(3-Methoxypropyl)-2-(3-(naphthalen-1-yl)-6-oxopyridazin-1(6H)-yl)acetamide1246041-30-4C20H21N3O3
- N-(2-Ethoxybenzyl)-2-(5-(p-tolyl)-1,3,4-oxadiazol-2-yl)acetamide1286716-84-4C20H21N3O3
- N-{4-[1-Acetyl-3-(4-methoxyphenyl)-2-pyrazolin-5-yl]phenyl}acetamide1370050-62-6C20H21N3O3
- N-(4-Aminophenyl)-1-butyl-4-hydroxy-2-oxo-1,2-dihydroquinoline-3-carboxamide331653-07-7C20H21N3O3
- 1-(Furan-2-ylmethyl)-3-(2-phenoxyethyl)-1-(pyridin-2-ylmethyl)urea1396631-36-9C20H21N3O3
- 3-(4-Methoxyphenyl)-N-(2-((3-methyl-1,2,4-oxadiazol-5-yl)methyl)phenyl)propanamide1448046-70-5C20H21N3O3
- (4-(Cyclopropanecarbonyl)piperazin-1-yl)(3-(pyridin-2-yloxy)phenyl)methanone1797708-78-1C20H21N3O3
- (1R,9R,16S,16aR)-4-Amino-12-oxo-1,9,10,12,16,16a-hexahydro-2H,8H-9,16-methanopyrido[2',1':4,5][1,5]diazocino[1,2-a]quinoline-1-carboxylic acid2108156-16-5C20H21N3O3
- 1-Amino-N-butyl-9,10-dihydro-4-(methylamino)-9,10-dioxoanthracene-2-carboxamide20171-06-6C20H21N3O3
- 4-Morpholineacetic acid, 2-(2-(1,1'-biphenyl)-4-yl-2-oxoethylidene)hydrazide7037-21-0C20H21N3O3
- N-(1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)-2-(4-methoxyphenyl)acetamide108114-70-1C20H21N3O3
- (E)-3-(3-Nitrophenyl)-N-(2-piperidin-1-ylphenyl)prop-2-enamide532419-32-2C20H21N3O3
- 1-Benzoyl-N-(4-carbamoylphenyl)piperidine-4-carboxamide433694-15-6C20H21N3O3
- 2-Quinolineacetic acid, alpha-cyano-4-(1-piperidinylcarbonyl)-, ethyl ester194713-20-7C20H21N3O3
- 2-(2,4-Dioxo-1H-quinazolin-3-yl)-N-(4-phenylbutan-2-yl)acetamide958562-98-6C20H21N3O3
- 3-(2,4-Dioxo-1H-quinazolin-3-yl)-N-[2-(4-methylphenyl)ethyl]propanamide896356-30-2C20H21N3O3
- N-(1,5-Dimethyl-3-oxo-2-phenylpyrazol-4-yl)-2-methoxy-2-phenylacetamide6490-65-9C20H21N3O3
- tert-Butyl N-(2-oxo-5-phenyl-1,3-dihydro-1,4-benzodiazepin-3-yl)carbamate168162-29-6C20H21N3O3
- 2-[3-(6-Methoxy-2,3,4,9-tetrahydro-1H-beta-carbolin-1-yl)phenoxy]acetamide889944-73-4C20H21N3O3
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 1-[1-(Naphthalen-1-yl)-2,5-dioxopyrrolidin-3-yl]piperidine-4-carboxamide, 2-(3-(4-Methylpiperazin-1-yl)-3-oxopropyl)-1H-benzo[de]isoquinoline-1,3(2H)-dione, D-Phenylalanyl-D-tryptophan. 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.