Molecular formula
C20H21N3O5
162 compounds have this formula on CompoundList.
- Molar mass
- 383.40g/mol
- Monoisotopic mass
- 383.1481Da
- Atoms
- 49
- Elements
- 4
- Rings plus double bonds
- 12
The formula C20H21N3O5 describes a molecule made of 20 carbon atoms, 21 hydrogen atoms, 3 nitrogen atoms and 5 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 × 2062.65%12.011 × 20 = 240.220 g/mol
- H Hydrogen × 215.52%1.008 × 21 = 21.168 g/mol
- N Nitrogen × 310.96%14.007 × 3 = 42.021 g/mol
- O Oxygen × 520.86%15.999 × 5 = 79.995 g/mol
Look up another formula
Compounds with the formula C20H21N3O5
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 101 to 162 of 162 compounds
![N-[4-Methoxy-3-(2-oxopiperidin-1-yl)phenyl]-2-methyl-3-nitrobenzamide chemical structure, C20H21N3O5, CAS 941919-63-7](/s/UXQGLEOVMGKQIQ-UHFFFAOYSA-N.svg)
N-[4-Methoxy-3-(2-oxopiperidin-1-yl)phenyl]-2-methyl-3-nitrobenzamide
CAS 941919-63-7C20H21N3O5
![N-[4-(3,4-Dimethoxyphenyl)-1,2,5-oxadiazol-3-yl]-2-(2,3-dimethylphenoxy)acetamide chemical structure, C20H21N3O5, CAS 874145-23-0](/s/SVYDZHYIZHQMQF-UHFFFAOYSA-N.svg)
N-[4-(3,4-Dimethoxyphenyl)-1,2,5-oxadiazol-3-yl]-2-(2,3-dimethylphenoxy)acetamide
CAS 874145-23-0C20H21N3O5
![N-(3,4-Dimethoxyphenyl)-3-[3-(4-methoxyphenyl)-1,2,4-oxadiazol-5-yl]propanamide chemical structure, C20H21N3O5, CAS 901267-20-7](/s/WPBUATAUDOISKM-UHFFFAOYSA-N.svg)
N-(3,4-Dimethoxyphenyl)-3-[3-(4-methoxyphenyl)-1,2,4-oxadiazol-5-yl]propanamide
CAS 901267-20-7C20H21N3O5
![N-[4-(3,4-Diethoxyphenyl)-1,2,5-oxadiazol-3-yl]-2-phenoxyacetamide chemical structure, C20H21N3O5, CAS 880787-78-0](/s/BPCYLTLCWGNCCT-UHFFFAOYSA-N.svg)
N-[4-(3,4-Diethoxyphenyl)-1,2,5-oxadiazol-3-yl]-2-phenoxyacetamide
CAS 880787-78-0C20H21N3O5
![N-{2,9-Dimethyl-4-oxo-4H-pyrido[1,2-a]pyrimidin-3-yl}-3,4,5-trimethoxybenzamide chemical structure, C20H21N3O5, CAS 897617-37-7](/s/REHCZNBAKVMPEU-UHFFFAOYSA-N.svg)
N-{2,9-Dimethyl-4-oxo-4H-pyrido[1,2-a]pyrimidin-3-yl}-3,4,5-trimethoxybenzamide
CAS 897617-37-7C20H21N3O5
![1-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)-3-(1-(3-methoxyphenyl)-5-oxopyrrolidin-3-yl)urea chemical structure, C20H21N3O5, CAS 891098-12-7](/s/ICIDOFXCGDOVRO-UHFFFAOYSA-N.svg)
1-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)-3-(1-(3-methoxyphenyl)-5-oxopyrrolidin-3-yl)urea
CAS 891098-12-7C20H21N3O5
![1-(2H-1,3-Benzodioxol-5-yl)-3-{[1-(4-methoxyphenyl)-5-oxopyrrolidin-3-yl]methyl}urea chemical structure, C20H21N3O5, CAS 946351-70-8](/s/UMNUITSPZZFXBL-UHFFFAOYSA-N.svg)
1-(2H-1,3-Benzodioxol-5-yl)-3-{[1-(4-methoxyphenyl)-5-oxopyrrolidin-3-yl]methyl}urea
CAS 946351-70-8C20H21N3O5
![1-((1-(Benzo[d][1,3]dioxol-5-yl)-5-oxopyrrolidin-3-yl)methyl)-3-(3-methoxyphenyl)urea chemical structure, C20H21N3O5, CAS 954660-76-5](/s/ATCUUDMCLZXWRN-UHFFFAOYSA-N.svg)
1-((1-(Benzo[d][1,3]dioxol-5-yl)-5-oxopyrrolidin-3-yl)methyl)-3-(3-methoxyphenyl)urea
CAS 954660-76-5C20H21N3O5
![1-((1-(Benzo[d][1,3]dioxol-5-yl)-5-oxopyrrolidin-3-yl)methyl)-3-(2-methoxyphenyl)urea chemical structure, C20H21N3O5, CAS 955257-88-2](/s/KJRFGODSDUSIED-UHFFFAOYSA-N.svg)
1-((1-(Benzo[d][1,3]dioxol-5-yl)-5-oxopyrrolidin-3-yl)methyl)-3-(2-methoxyphenyl)urea
CAS 955257-88-2C20H21N3O5
![1-((1-(Benzo[d][1,3]dioxol-5-yl)-5-oxopyrrolidin-3-yl)methyl)-3-(4-methoxyphenyl)urea chemical structure, C20H21N3O5, CAS 954698-27-2](/s/FFLRFPNTZLTOHM-UHFFFAOYSA-N.svg)
1-((1-(Benzo[d][1,3]dioxol-5-yl)-5-oxopyrrolidin-3-yl)methyl)-3-(4-methoxyphenyl)urea
CAS 954698-27-2C20H21N3O5
![1-((3-(Benzo[d][1,3]dioxol-5-yl)-2-oxooxazolidin-5-yl)methyl)-3-(3,4-dimethylphenyl)urea chemical structure, C20H21N3O5, CAS 954588-66-0](/s/XUETYSDOTDTAMM-UHFFFAOYSA-N.svg)
1-((3-(Benzo[d][1,3]dioxol-5-yl)-2-oxooxazolidin-5-yl)methyl)-3-(3,4-dimethylphenyl)urea
CAS 954588-66-0C20H21N3O5
![N-(3-Methoxyphenyl)-2-[4-(4-methoxyphenyl)-4-methyl-2,5-dioxoimidazolidin-1-yl]acetamide chemical structure, C20H21N3O5, CAS 1052561-39-3](/s/LTNFMHZHUFWKAH-UHFFFAOYSA-N.svg)
N-(3-Methoxyphenyl)-2-[4-(4-methoxyphenyl)-4-methyl-2,5-dioxoimidazolidin-1-yl]acetamide
CAS 1052561-39-3C20H21N3O5
![1-(Benzo[d][1,3]dioxol-5-ylmethyl)-3-(1-(3-methoxyphenyl)-5-oxopyrrolidin-3-yl)urea chemical structure, C20H21N3O5, CAS 894016-77-4](/s/XJUGGPQUAIZQPB-UHFFFAOYSA-N.svg)
1-(Benzo[d][1,3]dioxol-5-ylmethyl)-3-(1-(3-methoxyphenyl)-5-oxopyrrolidin-3-yl)urea
CAS 894016-77-4C20H21N3O5
![1-(Benzo[d][1,3]dioxol-5-ylmethyl)-3-(1-(4-methoxyphenyl)-5-oxopyrrolidin-3-yl)urea chemical structure, C20H21N3O5, CAS 877640-38-5](/s/MOIMPENVIZFKCH-UHFFFAOYSA-N.svg)
1-(Benzo[d][1,3]dioxol-5-ylmethyl)-3-(1-(4-methoxyphenyl)-5-oxopyrrolidin-3-yl)urea
CAS 877640-38-5C20H21N3O5
![8-(2-Oxo-2H-chromene-3-carbonyl)-3-propyl-1,3,8-triazaspiro[4.5]decane-2,4-dione chemical structure, C20H21N3O5, CAS 1021210-69-4](/s/HOWFQUQXRHTZCH-UHFFFAOYSA-N.svg)
8-(2-Oxo-2H-chromene-3-carbonyl)-3-propyl-1,3,8-triazaspiro[4.5]decane-2,4-dione
CAS 1021210-69-4C20H21N3O5
2-(6,7-Dimethoxy-4-oxoquinazolin-3(4H)-yl)-N-(2-methoxybenzyl)acetamide
CAS 1081120-80-0C20H21N3O5
2-(6,7-Dimethoxy-4-oxoquinazolin-3(4H)-yl)-N-(4-methoxybenzyl)acetamide
CAS 1071913-73-9C20H21N3O5
2-(6,7-Dimethoxy-4-oxoquinazolin-3(4H)-yl)-N-(2-hydroxy-2-phenylethyl)acetamide
CAS 1081127-69-6C20H21N3O5
![3-Methyl-N-(3,4,5-trimethoxyphenyl)-6,7-dihydro-5H-cyclopenta[b][1,2]oxazolo[4,5-e]pyridine-4-carboxamide chemical structure, C20H21N3O5, CAS 1179401-53-6](/s/QDQGVLWTDNQLKO-UHFFFAOYSA-N.svg)
3-Methyl-N-(3,4,5-trimethoxyphenyl)-6,7-dihydro-5H-cyclopenta[b][1,2]oxazolo[4,5-e]pyridine-4-carboxamide
CAS 1179401-53-6C20H21N3O5
![[(1-Cyanocyclohexyl)carbamoyl]methyl 3-(1,3-dioxo-2,3-dihydro-1H-isoindol-2-yl)propanoate chemical structure, C20H21N3O5, CAS 1210334-38-5](/s/JYQLYIFWRCGBHV-UHFFFAOYSA-N.svg)
[(1-Cyanocyclohexyl)carbamoyl]methyl 3-(1,3-dioxo-2,3-dihydro-1H-isoindol-2-yl)propanoate
CAS 1210334-38-5C20H21N3O5
![3,4,5-Trimethoxy-N-[2-(4-oxoquinazolin-3(4H)-yl)ethyl]benzamide chemical structure, C20H21N3O5, CAS 1282109-18-5](/s/SMZBLSXDOBOUTQ-UHFFFAOYSA-N.svg)
3,4,5-Trimethoxy-N-[2-(4-oxoquinazolin-3(4H)-yl)ethyl]benzamide
CAS 1282109-18-5C20H21N3O5
2-(7,8-Dimethoxy-2-oxo-1,2-dihydro-3H-3-benzazepin-3-yl)-N-(6-methoxypyridin-3-yl)acetamide
CAS 1574485-04-3C20H21N3O5
![1-{[6-(Furan-2-yl)pyridin-3-yl]methyl}-3-(3,4,5-trimethoxyphenyl)urea chemical structure, C20H21N3O5, CAS 2034323-21-0](/s/FKZXHTSOSYTHAP-UHFFFAOYSA-N.svg)
1-{[6-(Furan-2-yl)pyridin-3-yl]methyl}-3-(3,4,5-trimethoxyphenyl)urea
CAS 2034323-21-0C20H21N3O5
N-(2-Methoxybenzyl)-3-(2-methoxyethyl)-2,4-dioxo-1,2,3,4-tetrahydroquinazoline-7-carboxamide
CAS 892272-86-5C20H21N3O5
- N-[4-(3,4-Dihydro-5,7-dimethoxy-4-oxo-2-quinazolinyl)-2,6-dimethylphenyl]-2-hydroxyacetamide1044870-86-1C20H21N3O5
- 2-(4-(6,7-Dimethoxy-4-oxo-3,4-dihydroquinazolin-2-yl)-2,6-dimethylphenoxy)acetamide1044870-79-2C20H21N3O5
- N-[4-(3,4-Dimethoxyphenyl)-1,2,5-oxadiazol-3-yl]-2-(4-ethylphenoxy)acetamide874398-93-3C20H21N3O5
- N-[4-(3,4-Dimethoxyphenyl)-1,2,5-oxadiazol-3-yl]-3-propoxybenzamide874139-41-0C20H21N3O5
- N-[4-(3,4-Dimethoxyphenyl)-1,2,5-oxadiazol-3-yl]-2-(2,6-dimethylphenoxy)acetamide898630-28-9C20H21N3O5
- [(1-Cyanocyclohexyl)(methyl)carbamoyl]methyl 2-(1,3-dioxo-2,3-dihydro-1H-isoindol-2-yl)acetate1004735-85-6C20H21N3O5
- Sydnone imine, 3-(2-phenylethyl)-N-(3,4,5-trimethoxybenzoyl)-37737-59-0C20H21N3O5
- 2-(4-Methoxyphenoxy)-N-[4-(4-propoxyphenyl)-1,2,5-oxadiazol-3-yl]acetamide898509-37-0C20H21N3O5
- 2-(2-Methoxyphenoxy)-N-{4-[4-(propan-2-yloxy)phenyl]-1,2,5-oxadiazol-3-yl}acetamide898507-39-6C20H21N3O5
- 2-(4-Methoxyphenoxy)-N-{4-[4-(propan-2-yloxy)phenyl]-1,2,5-oxadiazol-3-yl}acetamide898468-83-2C20H21N3O5
- 1-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)-3-(1-(4-methoxyphenyl)-5-oxopyrrolidin-3-yl)urea894031-27-7C20H21N3O5
- N-[1-(4-Ethoxyphenyl)-5-oxopyrrolidin-3-yl]-2-(4-nitrophenyl)acetamide896285-02-2C20H21N3O5
- 8-(Furan-2-carbonyl)-3-(2-phenoxyethyl)-1,3,8-triazaspiro[4.5]decane-2,4-dione1021127-11-6C20H21N3O5
- N1-(4-methoxyphenethyl)-N2-(4-methyl-3-oxo-3,4-dihydro-2H-benzo[b][1,4]oxazin-6-yl)oxalamide1219568-13-4C20H21N3O5
- 2-(7,8-Dimethoxy-1-oxophthalazin-2(1H)-yl)-N-(4-methoxybenzyl)acetamide1282115-48-3C20H21N3O5
- 2-(7,8-Dimethoxy-1-oxophthalazin-2(1H)-yl)-N-(2-methoxybenzyl)acetamide1282096-45-0C20H21N3O5
- N-(2-(3,5-Dimethylphenoxy)ethyl)-3-(furan-2-ylmethyl)-2,4-dioxo-1,2,3,4-tetrahydropyrimidine-5-carboxamide1396685-94-1C20H21N3O5
- (Racemic) phenyl (5-cyano-4-(2-((tetrahydro-2H-pyran-2-yl)oxy)ethoxy)pyridin-2-yl)carbamate1708975-57-8C20H21N3O5
- Agn-PC-0lojqo5485-08-5C20H21N3O5
- N-[2-Oxo-2-[2-[(4-propoxyphenyl)methylidene]hydrazinyl]ethyl]-1,3-benzodioxole-5-carboxamide5860-47-9C20H21N3O5
- 4,7-Dihydro-2-(4-morpholinylmethyl)-4-oxo-7-(2-pyridinyl)furo[2,3-b]pyridine-5-carboxylic acid ethyl ester562100-96-3C20H21N3O5
- 3-(4-((Benzyloxy)carbonyl)piperazine-1-carboxamido)benzoic acid164785-04-0C20H21N3O5
- 2-(3-Methyl-2-oxoquinoxalin-1(2H)-yl)-N-(3,4,5-trimethoxyphenyl)acetamide1374546-62-9C20H21N3O5
- 4-(Acetylamino)-4-phenyl-1-piperidinecarboxylic acid 4-nitrophenyl ester1160263-22-8C20H21N3O5
- 4-[[[4-(1,3-Benzodioxol-5-ylmethyl)-1-piperazinyl]carbonyl]amino]benzoic acid340759-29-7C20H21N3O5
- N-[[5-(3,5-Dimethyl-1,2-oxazol-4-yl)furan-2-yl]methyl]-N'-(2-methoxy-5-methylphenyl)oxamide2415469-43-9C20H21N3O5
- (S)-2-(Fmoc-amino)-4-ureidobutanoic Acid2973754-85-5C20H21N3O5
- N-(Cyclohexyloxy)-4-nitro-N-(phenylcarbamoyl)benzamide113459-98-6C20H21N3O5
- 1H-Indole-1-carboxylic acid,2,3-dihydro-6-[(2-nitrobenzoyl)amino]-,1,1-dimethylethyl ester219507-70-7C20H21N3O5
- Uridine, 2',5'-dideoxy-5-ethyl-5'-[(1-oxo-3-phenyl-2-propynyl)amino]-119423-17-5C20H21N3O5
- 3-(2-Methoxyphenoxy)-N-[3-(2-oxo-1,3-oxazolidin-3-yl)phenyl]azetidine-1-carboxamide1567441-04-6C20H21N3O5
- tert-Butyl 5-(2-nitrophenylcarbonylamino)-2,3-dihydro-1H-indole-1-carboxylate1043962-19-1C20H21N3O5
- Ethyl 5-ethoxy-1-[6-(2-hydroxy-5-methoxyphenyl)-2-pyridinyl]pyrazole-4-carboxylate1579517-18-2C20H21N3O5
- 5-Methoxy-2-{[1-(7-methoxy-1-benzofuran-2-carbonyl)piperidin-4-yl]oxy}pyrimidine2549037-74-1C20H21N3O5
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 3-(oxan-4-yl)-1-(propan-2-yl)-1H-pyrazole-4-carboxylate2248407-19-2C20H21N3O5
- rac-1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl (2R,3R)-2-[1-(propan-2-yl)-1H-pyrazol-5-yl]oxane-3-carboxylate2248348-07-2C20H21N3O5
- 8-(Benzyloxy)-3-{[(tert-butoxy)carbonyl]amino}imidazo[1,2-a]pyridine-2-carboxylic acid2757906-43-5C20H21N3O5
- ((4-Benzyl-8,10-dioxo-2,3,3a,4,8,10-hexahydro-1H-pyrido[2,1-f]pyrrolo[2,1-c][1,2,4]triazin-9-yl)oxy)methyl acetate1369557-75-4C20H21N3O5
Frequently asked questions
What is the molar mass of C20H21N3O5?
The molar mass of C20H21N3O5 is 383.40 g/mol, calculated from standard atomic weights for 20 carbon atoms, 21 hydrogen atoms, 3 nitrogen atoms and 5 oxygen atoms. The monoisotopic mass is 383.1481 Da.
How many compounds have the formula C20H21N3O5?
CompoundList lists 162 compounds with the molecular formula C20H21N3O5, including N-[4-Methoxy-3-(2-oxopiperidin-1-yl)phenyl]-2-methyl-3-nitrobenzamide, N-[4-(3,4-Dimethoxyphenyl)-1,2,5-oxadiazol-3-yl]-2-(2,3-dimethylphenoxy)acetamide, N-(3,4-Dimethoxyphenyl)-3-[3-(4-methoxyphenyl)-1,2,4-oxadiazol-5-yl]propanamide. 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 C20H21N3O5?
C20H21N3O5 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.