Molecular formula
C21H20N2O4
266 compounds have this formula on CompoundList.
- Molar mass
- 364.40g/mol
- Monoisotopic mass
- 364.1423Da
- Atoms
- 47
- Elements
- 4
- Rings plus double bonds
- 13
The formula C21H20N2O4 describes a molecule made of 21 carbon atoms, 20 hydrogen atoms, 2 nitrogen atoms and 4 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 × 2169.22%12.011 × 21 = 252.231 g/mol
- H Hydrogen × 205.53%1.008 × 20 = 20.160 g/mol
- N Nitrogen × 27.69%14.007 × 2 = 28.014 g/mol
- O Oxygen × 417.56%15.999 × 4 = 63.996 g/mol
Look up another formula
Compounds with the formula C21H20N2O4
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 201 to 266 of 266 compounds
![(2S)-3-(1H-Indol-3-yl)-2-[[(E)-3-(4-methoxyphenyl)prop-2-enoyl]amino]propanoic acid chemical structure, C21H20N2O4, CAS 3068828-64-5](/s/BBBZKTUFHIHEPV-BLRBJFNZSA-N.svg)
(2S)-3-(1H-Indol-3-yl)-2-[[(E)-3-(4-methoxyphenyl)prop-2-enoyl]amino]propanoic acid
CAS 3068828-64-5C21H20N2O4
1H-Pyrazole-3,4-dicarboxylic acid, 1-(4-butylphenyl)-5-phenyl-
CAS 96734-54-2C21H20N2O4
1H-Pyrazole-3,4-dicarboxylic acid, 1-(4-methylphenyl)-5-phenyl-, ethyl methyl ester
CAS 96722-68-8C21H20N2O4
1H-Pyrazole-3,4-dicarboxylic acid, 1-(2-methylphenyl)-5-phenyl-, ethyl methyl ester
CAS 96722-81-5C21H20N2O4
Diethyl 1,5-di(phenyl)pyrazole-3,4-dicarboxylate
CAS 63514-87-4C21H20N2O4
![1-(2-Ethylphenyl)-5-[(4-hydroxy-3,5-dimethylphenyl)methylidene]-1,3-diazinane-2,4,6-trione chemical structure, C21H20N2O4, CAS 1025201-46-0](/s/KSRVWZBMHWRXTL-UHFFFAOYSA-N.svg)
1-(2-Ethylphenyl)-5-[(4-hydroxy-3,5-dimethylphenyl)methylidene]-1,3-diazinane-2,4,6-trione
CAS 1025201-46-0C21H20N2O4
![(2-Benzyloxycarbonyl-1,2,3,4-tetrahydro-pyrido[4,3-b]indol-5-yl)-acetic acid chemical structure, C21H20N2O4, CAS 866459-03-2](/s/TZEPXJAKGIPYCK-UHFFFAOYSA-N.svg)
(2-Benzyloxycarbonyl-1,2,3,4-tetrahydro-pyrido[4,3-b]indol-5-yl)-acetic acid
CAS 866459-03-2C21H20N2O4
![1,3-Bis[(oxiran-2-yl)methyl]-5,5-diphenylimidazolidine-2,4-dione chemical structure, C21H20N2O4, CAS 79413-03-9](/s/UUMYJAHSGDZDAJ-UHFFFAOYSA-N.svg)
1,3-Bis[(oxiran-2-yl)methyl]-5,5-diphenylimidazolidine-2,4-dione
CAS 79413-03-9C21H20N2O4
4-(Acetylamino)-2-(2-quinolinylmethoxy)benzoic acid ethyl ester
CAS 105326-90-7C21H20N2O4
(S)-2-((4,6-Dimethylpyrimidin-2-yl)oxy)-3-hydroxy-3,3-diphenylpropanoic acid
CAS 1106685-94-2C21H20N2O4
N-(3-Acetylphenyl)-1-ethyl-6-methoxy-4-oxo-1,4-dihydroquinoline-3-carboxamide
CAS 1010930-44-5C21H20N2O4
Tadalafil impurity 28
CAS 1158945-78-8C21H20N2O4
![3-Pyrrolidineaceticacid,5-[[(4'-cyano[1,1'-biphenyl]-4-yl)oxy]methyl]-2-oxo-,methylester,(3S-trans)- chemical structure, C21H20N2O4, CAS 148396-04-7](/s/KCAMYTLDUGTUIS-ROUUACIJSA-N.svg)
3-Pyrrolidineaceticacid,5-[[(4'-cyano[1,1'-biphenyl]-4-yl)oxy]methyl]-2-oxo-,methylester,(3S-trans)-
CAS 148396-04-7C21H20N2O4
Ethyl 1-(2,3-dihydro-1,4-benzodioxin-6-yl)-2-(4-methylphenyl)-1H-imidazole-4-carboxylate
CAS 954382-64-0C21H20N2O4
3-Cyclopropoxy-5-(4-((4-methoxybenzyl)oxy)pyrimidin-2-yl)phenol
CAS 1352571-21-1C21H20N2O4
Ethyl 1-(4-methoxyphenyl)-2-methyl-5-oxo-4-(pyridin-4-ylmethylene)-4,5-dihydro-1H-pyrrole-3-carboxylate
CAS 1068516-09-5C21H20N2O4
![5-Cyano-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)pentanoic acid chemical structure, C21H20N2O4, CAS 632350-27-7](/s/RJQIOAQRUCUXGL-UHFFFAOYSA-N.svg)
5-Cyano-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)pentanoic acid
CAS 632350-27-7C21H20N2O4
1,4-Diamino-9,10-dihydro-9,10-dioxoanthracene-2-carboxylic acid cyclohexyl ester
CAS 53814-82-7C21H20N2O4
1-(4-Isopropylphenyl)-5-(4-methoxybenzylidene)-2,4,6(1H,3H,5H)-pyrimidinetrione
CAS 5973-13-7C21H20N2O4
![Dibenzyl 2,3-diazabicyclo[2.2.1]hept-5-ene-2,3-dicarboxylate chemical structure, C21H20N2O4, CAS 49675-21-0](/s/KBJVVGIRURLIHX-UHFFFAOYSA-N.svg)
Dibenzyl 2,3-diazabicyclo[2.2.1]hept-5-ene-2,3-dicarboxylate
CAS 49675-21-0C21H20N2O4
![4-{2-[4-(3-Amino-4-nitrophenoxy)phenyl]propan-2-yl}phenol chemical structure, C21H20N2O4, CAS 137946-73-7](/s/AYGRRZKUZNHSHF-UHFFFAOYSA-N.svg)
4-{2-[4-(3-Amino-4-nitrophenoxy)phenyl]propan-2-yl}phenol
CAS 137946-73-7C21H20N2O4
Ethyl (6-methoxy-4-phenylquinoline-2-carbonyl)glycinate
CAS 1451566-78-1C21H20N2O4
![Methyl (2R)-2-{[(benzyloxy)carbonyl]amino}-3-(quinolin-7-yl)propanoate chemical structure, C21H20N2O4, CAS 2592227-79-5](/s/BCDRQZTUWNTCNF-LJQANCHMSA-N.svg)
Methyl (2R)-2-{[(benzyloxy)carbonyl]amino}-3-(quinolin-7-yl)propanoate
CAS 2592227-79-5C21H20N2O4
![Methyl (2R)-2-{[(benzyloxy)carbonyl]amino}-3-(isoquinolin-7-yl)propanoate chemical structure, C21H20N2O4, CAS 2592227-51-3](/s/PWTOJFOAYPTCQU-LJQANCHMSA-N.svg)
Methyl (2R)-2-{[(benzyloxy)carbonyl]amino}-3-(isoquinolin-7-yl)propanoate
CAS 2592227-51-3C21H20N2O4
- Methyl (2S)-2-{[(benzyloxy)carbonyl]amino}-3-(isoquinolin-6-yl)propanoate2592227-67-1C21H20N2O4
- 4-Cyano-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-methylbutanoic acid2139096-17-4C21H20N2O4
- 3-Cyano-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)pentanoic acid2138772-17-3C21H20N2O4
- 2-Amino-6-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)hex-4-ynoic acid2171716-05-3C21H20N2O4
- 6-Amino-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)hex-4-ynoic acid2171772-71-5C21H20N2O4
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2-cyclohexyl-2-(pyridin-4-yl)acetate2248382-43-4C21H20N2O4
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 3-(1-methylpiperidin-3-yl)benzoate2248394-92-3C21H20N2O4
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 4-(azepan-1-yl)benzoate2248349-34-8C21H20N2O4
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2-phenyl-3-(pyrrolidin-1-yl)propanoate2248334-04-3C21H20N2O4
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2-cyclopentyl-3-(pyridin-3-yl)propanoate2248338-15-8C21H20N2O4
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 4-(4-methylpiperidin-1-yl)benzoate2248341-75-3C21H20N2O4
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 4-{[cyclopropyl(ethyl)amino]methyl}benzoate2248276-44-8C21H20N2O4
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 1-benzylpiperidine-4-carboxylate2248312-36-7C21H20N2O4
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 3-(2-methyl-1,2,3,4-tetrahydroquinolin-1-yl)propanoate2248402-95-9C21H20N2O4
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 1-benzylpiperidine-3-carboxylate2248346-02-1C21H20N2O4
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 1-benzyl-4-methylpyrrolidine-3-carboxylate2248384-26-9C21H20N2O4
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2-(1-benzylpyrrolidin-3-yl)acetate2248277-30-5C21H20N2O4
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 1-benzylpiperidine-2-carboxylate2248265-97-4C21H20N2O4
- 2-{[(Benzyloxy)carbonyl](cyclopropyl)amino}-2-(1H-indol-3-yl)acetic acid2639406-85-0C21H20N2O4
- (2S)-2-{[(Benzyloxy)carbonyl]amino}-3-(2-methylquinolin-4-yl)propanoic acid1998640-79-1C21H20N2O4
- (2R)-2-{[(Benzyloxy)carbonyl]amino}-3-(2-methylquinolin-6-yl)propanoic acid2002437-37-6C21H20N2O4
- (2S)-2-{[(Benzyloxy)carbonyl]amino}-3-(2-methylquinolin-6-yl)propanoic acid1997425-73-6C21H20N2O4
- 5-{[(tert-Butoxy)carbonyl](naphthalen-2-yl)amino}pyridine-3-carboxylic acid2680873-72-5C21H20N2O4
- 3-{[(Benzyloxy)carbonyl][(1-methyl-1H-pyrrol-3-yl)methyl]amino}benzoic acid2680821-35-4C21H20N2O4
- 4-Cyano-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-methylbutanoic acid2171762-54-0C21H20N2O4
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 3-[(piperidin-1-yl)methyl]benzoate2248312-77-6C21H20N2O4
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 4-[(piperidin-1-yl)methyl]benzoate2248303-83-3C21H20N2O4
- (9H-Fluoren-9-yl)methyl N-[3-(3-hydroxy-1,2-oxazol-5-yl)propyl]carbamate2763999-35-3C21H20N2O4
- (9H-Fluoren-9-yl)methyl N-{2-[4-(hydroxymethyl)-1,3-oxazol-5-yl]ethyl}carbamate2764007-53-4C21H20N2O4
- (9H-Fluoren-9-yl)methyl 6-cyano-6-hydroxy-1,4-oxazepane-4-carboxylate2770530-04-4C21H20N2O4
- 3-[(2,4-Dimethoxyphenyl)methyl]-1-(4-ethynylphenyl)-1,3-diazinane-2,4-dione2955712-90-8C21H20N2O4
- Methyl 2-[[2-(7-ethyl-3-formylindol-1-yl)acetyl]amino]benzoate593237-21-9C21H20N2O4
- 1-(4-Methoxybenzyl)-3-(1-oxoisoindolin-2-yl)piperidine-2,6-dione222713-10-2C21H20N2O4
- Methyl (2S)-2-{[(benzyloxy)carbonyl]amino}-3-(quinolin-3-yl)propanoate1282534-50-2C21H20N2O4
- Methyl 2-{[(benzyloxy)carbonyl]amino}-3-(isoquinolin-3-yl)propanoate220854-84-2C21H20N2O4
- 2-{[(Benzyloxy)carbonyl]amino}-2-methyl-3-(quinolin-7-yl)propanoic acid2356103-40-5C21H20N2O4
- 2-{[(Benzyloxy)carbonyl]amino}-2-methyl-3-(quinolin-2-yl)propanoic acid2355527-79-4C21H20N2O4
- 2-{[(Benzyloxy)carbonyl]amino}-3-(isoquinolin-3-yl)-2-methylpropanoic acid2356770-85-7C21H20N2O4
- 2-{[(Benzyloxy)carbonyl]amino}-2-methyl-3-(quinolin-6-yl)propanoic acid2355154-97-9C21H20N2O4
- 2-{[(Benzyloxy)carbonyl]amino}-3-(isoquinolin-5-yl)-2-methylpropanoic acid2357535-26-1C21H20N2O4
- 2-{[(Benzyloxy)carbonyl]amino}-2-methyl-3-(quinolin-4-yl)propanoic acid2355483-81-5C21H20N2O4
- 2-{[(Benzyloxy)carbonyl]amino}-3-(isoquinolin-1-yl)-2-methylpropanoic acid2358012-94-7C21H20N2O4
Frequently asked questions
What is the molar mass of C21H20N2O4?
The molar mass of C21H20N2O4 is 364.40 g/mol, calculated from standard atomic weights for 21 carbon atoms, 20 hydrogen atoms, 2 nitrogen atoms and 4 oxygen atoms. The monoisotopic mass is 364.1423 Da.
How many compounds have the formula C21H20N2O4?
CompoundList lists 266 compounds with the molecular formula C21H20N2O4, including (2S)-3-(1H-Indol-3-yl)-2-[[(E)-3-(4-methoxyphenyl)prop-2-enoyl]amino]propanoic acid, 1H-Pyrazole-3,4-dicarboxylic acid, 1-(4-butylphenyl)-5-phenyl-, 1H-Pyrazole-3,4-dicarboxylic acid, 1-(4-methylphenyl)-5-phenyl-, ethyl methyl ester. 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 C21H20N2O4?
C21H20N2O4 has a degree of unsaturation of 13. 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.