Molecular formula
C21H28N2O4
103 compounds have this formula on CompoundList.
- Molar mass
- 372.46g/mol
- Monoisotopic mass
- 372.2049Da
- Atoms
- 55
- Elements
- 4
- Rings plus double bonds
- 9
The formula C21H28N2O4 describes a molecule made of 21 carbon atoms, 28 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 × 2167.72%12.011 × 21 = 252.231 g/mol
- H Hydrogen × 287.58%1.008 × 28 = 28.224 g/mol
- N Nitrogen × 27.52%14.007 × 2 = 28.014 g/mol
- O Oxygen × 417.18%15.999 × 4 = 63.996 g/mol
Look up another formula
Compounds with the formula C21H28N2O4
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 100 of 103 compounds
![3,5-Dimethyl 4-[4-(diethylamino)phenyl]-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate chemical structure, C21H28N2O4, CAS 324577-05-1](/s/AVSBMSOWEMUGBD-UHFFFAOYSA-N.svg)
3,5-Dimethyl 4-[4-(diethylamino)phenyl]-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate
CAS 324577-05-1C21H28N2O4
1-(2-Methoxyphenyl)-4-(2,3,4-trimethoxybenzyl)piperazine
CAS 376604-38-5C21H28N2O4
![2-Oxo-2-(1,3,3-trimethyl-6-azabicyclo[3.2.1]octan-6-yl)ethyl 4-acetamidobenzoate chemical structure, C21H28N2O4, CAS 473901-14-3](/s/NWXXDFOOEHAFBN-UHFFFAOYSA-N.svg)
2-Oxo-2-(1,3,3-trimethyl-6-azabicyclo[3.2.1]octan-6-yl)ethyl 4-acetamidobenzoate
CAS 473901-14-3C21H28N2O4
![Ethyl 1-{2,5-dioxo-1-[4-(propan-2-yl)phenyl]pyrrolidin-3-yl}piperidine-3-carboxylate chemical structure, C21H28N2O4, CAS 573694-37-8](/s/WJULDALUBFMPGG-UHFFFAOYSA-N.svg)
Ethyl 1-{2,5-dioxo-1-[4-(propan-2-yl)phenyl]pyrrolidin-3-yl}piperidine-3-carboxylate
CAS 573694-37-8C21H28N2O4
![4-Hydroxy-benzoic acid, compd. with (2S,4E)-N-methyl-5-[5-(1-methylethoxy)-3-pyridinyl]-4-penten-2-amine (1:1) chemical structure, C21H28N2O4, CAS 691882-47-0](/s/IRKXQKVFYQCFHO-IDAJZJLDSA-N.svg)
4-Hydroxy-benzoic acid, compd. with (2S,4E)-N-methyl-5-[5-(1-methylethoxy)-3-pyridinyl]-4-penten-2-amine (1:1)
CAS 691882-47-0C21H28N2O4
2-(9-Morpholin-4-yl-9-oxononyl)isoindole-1,3-dione
CAS 383892-62-4C21H28N2O4
4-(Boc-amino)-1-(furan-2-yl(2-hydroxyphenyl)methyl)piperidine
CAS 870703-79-0C21H28N2O4
4-Oxazolemethanol, 4,5-dihydro-2-(4-((7-(3-methyl-5-isoxazolyl)heptyl)oxy)phenyl)-
CAS 98033-99-9C21H28N2O4
5-Oxazolemethanol, 4,5-dihydro-2-(4-((7-(3-methyl-5-isoxazolyl)heptyl)oxy)phenyl)-
CAS 98033-97-7C21H28N2O4
Ethyl 1-ethyl-4-((4-methoxyphenethyl)carbamoyl)-3,5-dimethyl-1H-pyrrole-2-carboxylate
CAS 863006-43-3C21H28N2O4
![1-(2-Methoxyphenyl)-4-[(3,4,5-trimethoxyphenyl)methyl]piperazine chemical structure, C21H28N2O4, CAS 199109-39-2](/s/DGDNVIQSKYNCRL-UHFFFAOYSA-N.svg)
1-(2-Methoxyphenyl)-4-[(3,4,5-trimethoxyphenyl)methyl]piperazine
CAS 199109-39-2C21H28N2O4
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CAS 1192134-13-6C21H28N2O4
![2-Cyclohexyl-N-[2-(5,8-dimethoxy-2-oxo-1H-quinolin-3-yl)ethyl]acetamide chemical structure, C21H28N2O4, CAS 851403-72-0](/s/KSDICMGTAOPYDQ-UHFFFAOYSA-N.svg)
2-Cyclohexyl-N-[2-(5,8-dimethoxy-2-oxo-1H-quinolin-3-yl)ethyl]acetamide
CAS 851403-72-0C21H28N2O4
![3,5-Diethyl 4-[4-(dimethylamino)phenyl]-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate chemical structure, C21H28N2O4, CAS 21835-71-2](/s/OYGFPPGBFFWFDL-UHFFFAOYSA-N.svg)
3,5-Diethyl 4-[4-(dimethylamino)phenyl]-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate
CAS 21835-71-2C21H28N2O4
3-Cyclopentyl-N-(2-(5,8-dimethoxy-2-oxo-1,2-dihydroquinolin-3-yl)ethyl)propanamide
CAS 851404-13-2C21H28N2O4
3,4,5-Triethoxy-N-ethyl-N-(pyridin-4-ylmethyl)benzamide
CAS 898134-28-6C21H28N2O4
![N-Cyclohexyl-2-{[2-(2-ethoxyethyl)-1-oxo-1,2-dihydroisoquinolin-5-yl]oxy}acetamide chemical structure, C21H28N2O4, CAS 898457-46-0](/s/AXDMWKODXBIYGG-UHFFFAOYSA-N.svg)
N-Cyclohexyl-2-{[2-(2-ethoxyethyl)-1-oxo-1,2-dihydroisoquinolin-5-yl]oxy}acetamide
CAS 898457-46-0C21H28N2O4
W10294A free base
CAS 41806-52-4C21H28N2O4
4-(2-Aminoethoxy)-N-(2,5-diethoxyphenyl)-3,5-dimethylbenzamide
CAS 942998-38-1C21H28N2O4
![1-[Benzyl(tert-butyl)amino]-3-(3-methyl-4-nitrophenoxy)propan-2-ol chemical structure, C21H28N2O4, CAS 282522-47-8](/s/OYHKGTQGXDOFIT-UHFFFAOYSA-N.svg)
1-[Benzyl(tert-butyl)amino]-3-(3-methyl-4-nitrophenoxy)propan-2-ol
CAS 282522-47-8C21H28N2O4
N-(3-(4-(Dimethylamino)phenyl)propyl)-3,4,5-trimethoxybenzamide
CAS 953196-51-5C21H28N2O4
![2-(4-{[(2-Hydroxy-1,1-dimethylethyl)amino]methyl}-2-methoxyphenoxy)-N-(4-methylphenyl)acetamide chemical structure, C21H28N2O4, CAS 932245-51-7](/s/XICAXIOSXUOWSA-UHFFFAOYSA-N.svg)
2-(4-{[(2-Hydroxy-1,1-dimethylethyl)amino]methyl}-2-methoxyphenoxy)-N-(4-methylphenyl)acetamide
CAS 932245-51-7C21H28N2O4
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CAS 1192134-09-0C21H28N2O4
Cyclooctyl 4-(4-methoxyphenyl)-6-methyl-2-oxo-3,4-dihydro-1H-pyrimidine-5-carboxylate
CAS 295344-34-2C21H28N2O4
- 3,5-Bis-(cyclohexanecarbonyl-amino)-benzoic acid337501-82-3C21H28N2O4
- RO-5-65745936-70-9C21H28N2O4
- Bipolamine G1357824-71-5C21H28N2O4
- 3-Methylcyclohexyl 4-(2-ethoxyphenyl)-6-methyl-2-oxo-1,2,3,4-tetrahydropyrimidine-5-carboxylate302332-36-1C21H28N2O4
- Cyclohexyl 6-methyl-2-oxo-4-(4-propoxyphenyl)-1,2,3,4-tetrahydropyrimidine-5-carboxylate306751-21-3C21H28N2O4
- 2-({2-[(Cyclohexylamino)carbonyl]anilino}carbonyl)cyclohexanecarboxylic acid714278-58-7C21H28N2O4
- N-Benzyl-N-butyl-N'-(3,4,5-trimethoxyphenyl)urea88451-16-5C21H28N2O4
- Cycloheptyl 4-(3-ethoxyphenyl)-6-methyl-2-oxo-1,2,3,4-tetrahydro-5-pyrimidinecarboxylate330674-45-8C21H28N2O4
- tert-Butyl 5-(3-methoxy-3-oxopropyl)-8-methyl-1,3,4,5-tetrahydro-2H-pyrido[4,3-b]indole-2-carboxylate2096986-00-2C21H28N2O4
- 2,6-Dimethoxy-4-{[4-(3-methoxybenzyl)piperazin-1-yl]methyl}phenol423743-98-0C21H28N2O4
- 3-[2-(3,4-Dimethoxyphenyl)ethyl-methylamino]-N-(3-methoxyphenyl)propanamide428504-89-6C21H28N2O4
- 3-Methylcyclohexyl 4-(4-ethoxyphenyl)-6-methyl-2-oxo-1,2,3,4-tetrahydropyrimidine-5-carboxylate469889-40-5C21H28N2O4
- 4-(3,5-Dimethylpiperidine-1-carbonyl)-2-ethyl-6,7-dimethoxyisoquinolin-1(2H)-one892265-59-7C21H28N2O4
- Ethyl 5-[1-(tert-butoxycarbonyl)piperidin-4-yl]-1H-indole-2-carboxylate1603833-77-7C21H28N2O4
- Piperazine, 1-(2-(3,4-dimethoxyphenoxy)ethyl)-4-(o-methoxyphenyl)-2032-56-6C21H28N2O4
- Pyrrolo(2,1-a)isoquinoline-3-carboxylic acid, 5,6-dihydro-8,9-dimethoxy-1-(dimethylaminomethyl)-2-methyl-, ethyl ester20353-73-5C21H28N2O4
- 3-[2-(3,4-Dimethoxyphenyl)ethyl-methylamino]-N-(2-methoxyphenyl)propanamide429621-81-8C21H28N2O4
- 3-[2-(3,4-Dimethoxyphenyl)ethyl-methylamino]-N-(4-methoxyphenyl)propanamide428827-06-9C21H28N2O4
- N-{4-[(2,3-Dimethoxybenzyl)amino]-2-methoxyphenyl}pentanamide717894-01-4C21H28N2O4
- 4-Methylcyclohexyl 4-(2-ethoxyphenyl)-6-methyl-2-oxo-1,2,3,4-tetrahydropyrimidine-5-carboxylate296263-41-7C21H28N2O4
- 1-{[4-(4-Methoxyphenyl)piperazin-1-yl]carbonyl}-4,7,7-trimethyl-2-oxabicyclo[2.2.1]heptan-3-one613658-57-4C21H28N2O4
- tert-Butyl (4-(2-morpholinoethoxy)naphthalen-1-yl)carbamate285984-35-2C21H28N2O4
- 3-(3,5-Dimethylisoxazol-4-yl)-N-((4-(4-methoxyphenyl)tetrahydro-2H-pyran-4-yl)methyl)propanamide1323694-35-4C21H28N2O4
- Benzamide, N-((4-(2-(dimethylamino)ethoxy)phenyl)methyl)-4-ethoxy-3-methoxy-122892-61-9C21H28N2O4
- N-(4-Acetamido-2,5-dimethoxyphenyl)adamantane-1-carboxamide349570-11-2C21H28N2O4
- di-tert-Butyl 3,4-dihydro-1H-pyrido[3,4-b]indole-2,9-dicarboxylate1196075-55-4C21H28N2O4
- tert-Butyl 5-(2-ethoxy-2-oxoethyl)-8-methyl-1,3,4,5-tetrahydro-2H-pyrido[4,3-b]indole-2-carboxylate1060979-19-2C21H28N2O4
- 2-[(6,7-Dimethoxy-2-methyl-1,2,3,4-tetrahydroisoquinolin-1-yl)methyl]-4,5-dimethoxyaniline59444-58-5C21H28N2O4
- 1-(3-Methoxyphenoxy)-3-[4-(4-methoxyphenyl)piperazin-1-yl]propan-2-ol741666-48-8C21H28N2O4
- [(1-Cyanocyclohexyl)(methyl)carbamoyl]methyl 4-(2-methylpropoxy)benzoate877830-78-9C21H28N2O4
- (2Z)-2-{3-Methoxy-4-[2-(morpholin-4-yl)ethoxy]benzylidene}-4,4-dimethyl-3-oxopentanenitrile587852-94-6C21H28N2O4
- [1-({[3-(4-Methoxy-1H-indol-1-yl)propanoyl]amino}methyl)cyclohexyl]acetic acid1219539-64-6C21H28N2O4
- [1-({[3-(5-Methoxy-1H-indol-1-yl)propanoyl]amino}methyl)cyclohexyl]acetic acid1219568-34-9C21H28N2O4
- 2,2-Dimethyl-1-(1-(3,4,5-trimethoxyphenyl)-3,4-dihydropyrrolo[1,2-a]pyrazin-2(1H)-yl)propan-1-one2034406-57-8C21H28N2O4
- Benzamide, N-(3-(1-ethylcycloheptyl)-5-isoxazolyl)-2,6-dimethoxy-82558-81-4C21H28N2O4
- 1-Piperazineethanol, 4-(2,4-dimethoxyphenyl)-alpha-phenoxymethyl-66307-57-1C21H28N2O4
- 3-Butoxy-N-[2-(furan-2-yl)-2-(morpholin-4-yl)ethyl]benzamide952928-09-5C21H28N2O4
- N-(2-(Dimethylamino)-2-(p-tolyl)ethyl)-3,4,5-trimethoxybenzamide899975-26-9C21H28N2O4
- 2-({3-[(4-Methylpiperidin-1-yl)carbonyl]phenyl}carbamoyl)cyclohexanecarboxylic acid1030503-71-9C21H28N2O4
- [1-({[3-(7-Methoxy-1H-indol-1-yl)propanoyl]amino}methyl)cyclohexyl]acetic acid1219558-38-9C21H28N2O4
- 1-(3,4-Dimethylphenyl)-4-(1,5-dioxa-9-azaspiro[5.5]undecane-9-carbonyl)pyrrolidin-2-one1351650-41-3C21H28N2O4
- N-[(1-Ethylpyrrolidin-2-yl)methyl]-2-[(3,4,8-trimethyl-2-oxo-2H-chromen-7-yl)oxy]acetamide1574482-69-1C21H28N2O4
- N-[(1-Ethylpyrrolidin-2-yl)methyl]-3-(7-methoxy-4-methyl-2-oxo-2H-chromen-6-yl)propanamide1574494-20-4C21H28N2O4
- 7-Methoxy-N-((1-(tetrahydro-2H-pyran-4-yl)piperidin-4-yl)methyl)benzofuran-2-carboxamide2034588-90-2C21H28N2O4
- (E)-3-(Benzo[d][1,3]dioxol-5-yl)-N-((1-(tetrahydro-2H-pyran-4-yl)piperidin-4-yl)methyl)acrylamide2035019-05-5C21H28N2O4
- 1-(Adamantan-1-yl)-3-[2-(2,3-dihydro-1,4-benzodioxin-6-yl)-2-hydroxyethyl]urea2108339-38-2C21H28N2O4
- 3-[4-(1-Boc-4-piperidyl)phenyl]piperidine-2,6-dione2641512-76-5C21H28N2O4
- 4-(1-Cyano-2-ethoxy-2-oxoethyl)-4-phenyl-1-piperidinecarboxylic acid tert-butyl ester644982-19-4C21H28N2O4
- 2,6-Dimethoxy-N-[3-(1-propylcyclohexyl)-1,2-oxazol-5-yl]benzamide82558-76-7C21H28N2O4
- 1-[(1-Cyanocyclohexyl)carbamoyl]ethyl 4-(2-methylpropoxy)benzoate937887-14-4C21H28N2O4
- [(1-Cyano-4-methylcyclohexyl)(methyl)carbamoyl]methyl 2-(3,4-dimethylphenoxy)acetate940815-41-8C21H28N2O4
- 4-[3-(1,3-Dioxo-indan-2-yl)-propyl]-piperazine-1-carboxylic acid tert-butyl ester1299607-53-6C21H28N2O4
- 4-(7-Methoxy-quinolin-2-yloxymethyl)-piperidine-1-carboxylic acid tert-butyl ester1221280-77-8C21H28N2O4
- Methyl 2-(2'-isobutyl-1'-oxo-2',4'-dihydro-1'H-spiro[cyclopentane-1,3'-isoquinolin]-4'-ylcarboxamido)acetate1401529-83-6C21H28N2O4
- 3-(3,5-Dimethylisoxazol-4-yl)-N-(2-hydroxy-2-phenyl-2-(tetrahydro-2H-pyran-4-yl)ethyl)propanamide2034454-50-5C21H28N2O4
- N-(1-Cyclohexanecarbonylpiperidin-4-yl)-2-(4-formylphenoxy)acetamide2248816-05-7C21H28N2O4
- 1-[4-[3-(2-Methoxyphenoxy)piperidine-1-carbonyl]piperidin-1-yl]prop-2-en-1-one2361777-72-0C21H28N2O4
- tert-Butyl 1-[4-(prop-2-enamido)benzamido]cyclohexane-1-carboxylate2361840-82-4C21H28N2O4
- N-[2-(2-Methyl-1,3-dioxolan-2-yl)ethyl]-4-phenyl-1-prop-2-enoylpiperidine-4-carboxamide2361744-67-2C21H28N2O4
- tert-Butyl (1R,3S)-3-[[4-(prop-2-enoylamino)benzoyl]amino]cyclohexane-1-carboxylate2361898-27-1C21H28N2O4
- Ethyl 7-(1-(tert-butoxycarbonyl)piperidin-4-yl)-1H-indole-2-carboxylate2691124-21-5C21H28N2O4
- (4E,6RS,10SR,13S)-13-(2-Methylpropyl)-2,7-dioxa-12,15-diazatricyclo[15.4.0.0,6,10]henicosa-1(17),4,18,20-tetraene-11,16-dione2287238-69-9C21H28N2O4
- N-[4-(Diethylamino)-2-methylphenyl]-3,4,5-trimethoxybenzamide708216-37-9C21H28N2O4
- N-(2-{[2-Hydroxy-3-(2-phenoxyethoxy)propyl]amino}ethyl)-2-phenylacetamide121508-95-0C21H28N2O4
- Diethyl (2-(4-methyl-6-(2,5-dimethylpyrrol-1-yl)-2-pyridinyl)ethyl)malonate179554-90-6C21H28N2O4
- 4-(7-Methoxy-2-oxo-2H-quinolin-1-ylmethyl)-piperidine-1-carboxylic acid tert-butyl ester1221275-88-2C21H28N2O4
- tert-Butyl 9-benzyl-8,10-dioxo-3,9-diazaspiro[5.5]undecane-3-carboxylate2177266-40-7C21H28N2O4
- N-[(5-Ethoxy-2-methyl-2,3-dihydro-1-benzofuran-6-yl)methyl]-1-(prop-2-enoyl)piperidine-4-carboxamide2411318-45-9C21H28N2O4
- rac-tert-Butyl (3R,4R)-4-methyl-1-{4-[(prop-2-enamido)methyl]benzoyl}pyrrolidine-3-carboxylate2411178-63-5C21H28N2O4
- 3,5-Bis(cyclohexylcarbamoyl)benzoic acid831223-57-5C21H28N2O4
- Benzyl (2S,3R)-3-(butanoyloxymethyl)-2-ethyl-4-(1H-imidazol-5-yl)butanoate106848-84-4C21H28N2O4
- 17-Cyclopropylmethyl-3,10a,14b-Trihydroxy-4,5a-epoxy-6b-(methylamino)morphinan2010137-06-9C21H28N2O4
- 3-{4-[(tert-Butoxy)carbonyl]piperazin-1-yl}-5-ethynyl-2,4,6-trimethylbenzoic acid2418706-96-2C21H28N2O4
- tert-Butyl 4-{[(benzyloxy)carbonyl](prop-2-yn-1-yl)amino}piperidine-1-carboxylate2680668-91-9C21H28N2O4
- 3-[6-(7-Hydroxyoctyl)-1-oxo-isoindolin-2-yl]piperidine-2,6-dione2767160-41-6C21H28N2O4
- Methyl 3-(1-(tert-butoxycarbonyl)piperidin-3-yl)-1-methyl-1H-indole-6-carboxylate2362526-06-3C21H28N2O4
Frequently asked questions
What is the molar mass of C21H28N2O4?
The molar mass of C21H28N2O4 is 372.46 g/mol, calculated from standard atomic weights for 21 carbon atoms, 28 hydrogen atoms, 2 nitrogen atoms and 4 oxygen atoms. The monoisotopic mass is 372.2049 Da.
How many compounds have the formula C21H28N2O4?
CompoundList lists 103 compounds with the molecular formula C21H28N2O4, including 3,5-Dimethyl 4-[4-(diethylamino)phenyl]-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate, 1-(2-Methoxyphenyl)-4-(2,3,4-trimethoxybenzyl)piperazine, 2-Oxo-2-(1,3,3-trimethyl-6-azabicyclo[3.2.1]octan-6-yl)ethyl 4-acetamidobenzoate. 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 C21H28N2O4?
C21H28N2O4 has a degree of unsaturation of 9. 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.