Molecular formula
C21H20N2O3
251 compounds have this formula on CompoundList.
- Molar mass
- 348.40g/mol
- Monoisotopic mass
- 348.1474Da
- Atoms
- 46
- Elements
- 4
- Rings plus double bonds
- 13
The formula C21H20N2O3 describes a molecule made of 21 carbon atoms, 20 hydrogen atoms, 2 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 × 2172.40%12.011 × 21 = 252.231 g/mol
- H Hydrogen × 205.79%1.008 × 20 = 20.160 g/mol
- N Nitrogen × 28.04%14.007 × 2 = 28.014 g/mol
- O Oxygen × 313.78%15.999 × 3 = 47.997 g/mol
Look up another formula
Compounds with the formula C21H20N2O3
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 101 to 200 of 251 compounds
![[1-[(Z)-(3-Oxo-6,7,8,9-tetrahydro-5H-imidazo[1,2-a]azepin-2-ylidene)methyl]naphthalen-2-yl] acetate chemical structure, C21H20N2O3, CAS 325994-93-2](/s/LSNOZQRFRAUFIB-AQTBWJFISA-N.svg)
[1-[(Z)-(3-Oxo-6,7,8,9-tetrahydro-5H-imidazo[1,2-a]azepin-2-ylidene)methyl]naphthalen-2-yl] acetate
CAS 325994-93-2C21H20N2O3
N-(4-Acetamidophenyl)-3-(5-phenylfuran-2-yl)propanamide
CAS 878957-83-6C21H20N2O3
![1-[4-(1,3-Benzodioxol-5-ylmethoxy)phenyl]-N-(pyridin-3-ylmethyl)methanamine chemical structure, C21H20N2O3, CAS 938007-92-2](/s/ZPKMBLGQCBCIQT-UHFFFAOYSA-N.svg)
1-[4-(1,3-Benzodioxol-5-ylmethoxy)phenyl]-N-(pyridin-3-ylmethyl)methanamine
CAS 938007-92-2C21H20N2O3
![4-Oxo-4-phenyl-N-[2-(quinolin-8-yloxy)ethyl]butanamide chemical structure, C21H20N2O3, CAS 1206997-32-1](/s/NVXNRBOQVCMHRZ-UHFFFAOYSA-N.svg)
4-Oxo-4-phenyl-N-[2-(quinolin-8-yloxy)ethyl]butanamide
CAS 1206997-32-1C21H20N2O3
![N-[2-Hydroxy-2-(1-methyl-1H-pyrrol-2-yl)ethyl]-9H-xanthene-9-carboxamide chemical structure, C21H20N2O3, CAS 1396766-01-0](/s/TWZBKWNLQTUWMB-UHFFFAOYSA-N.svg)
N-[2-Hydroxy-2-(1-methyl-1H-pyrrol-2-yl)ethyl]-9H-xanthene-9-carboxamide
CAS 1396766-01-0C21H20N2O3
2-(1H-Indol-1-yl)-N-(4-(2-methoxyphenoxy)but-2-yn-1-yl)acetamide
CAS 1428349-62-5C21H20N2O3
![2-(2,3-Dimethylphenoxy)-N'-[(1-hydroxy-2-naphthyl)methylene]acetohydrazide chemical structure, C21H20N2O3, CAS 444925-69-3](/s/NFNQBMUQJDRWKM-WSDLNYQXSA-N.svg)
2-(2,3-Dimethylphenoxy)-N'-[(1-hydroxy-2-naphthyl)methylene]acetohydrazide
CAS 444925-69-3C21H20N2O3
1-(2,4-Dimethoxyphenyl)-3-(2-phenylphenyl)urea
CAS 708226-04-4C21H20N2O3
![4-[3-(4-tert-Butylphenyl)-2-cyanoprop-2-enamido]benzoic acid chemical structure, C21H20N2O3, CAS 723319-96-8](/s/YOSOJJVNKGXWGR-FOWTUZBSSA-N.svg)
4-[3-(4-tert-Butylphenyl)-2-cyanoprop-2-enamido]benzoic acid
CAS 723319-96-8C21H20N2O3
![N-[2-(2-Phenylbutanoylamino)phenyl]furan-2-carboxamide chemical structure, C21H20N2O3, CAS 723736-68-3](/s/UTDKDTBADHFDLJ-UHFFFAOYSA-N.svg)
N-[2-(2-Phenylbutanoylamino)phenyl]furan-2-carboxamide
CAS 723736-68-3C21H20N2O3
Cycloocta(b)quinoline, 6,7,8,9,10,11-hexahydro-12-(4-nitrophenoxy)-
CAS 108154-91-2C21H20N2O3
![4-[(3-Methoxyphenoxy)methyl]-N-(pyridin-3-ylmethyl)benzamide chemical structure, C21H20N2O3, CAS 514220-77-0](/s/IZRSZDQUJBXYDO-UHFFFAOYSA-N.svg)
4-[(3-Methoxyphenoxy)methyl]-N-(pyridin-3-ylmethyl)benzamide
CAS 514220-77-0C21H20N2O3
![3-(Pyridin-2-ylmethyl)-2,4,7,8,9,10-hexahydroisochromeno[3,4-f][1,3]benzoxazin-6-one chemical structure, C21H20N2O3, CAS 902315-39-3](/s/SZJBNYQHMIBGOG-UHFFFAOYSA-N.svg)
3-(Pyridin-2-ylmethyl)-2,4,7,8,9,10-hexahydroisochromeno[3,4-f][1,3]benzoxazin-6-one
CAS 902315-39-3C21H20N2O3
![Piperazine, 1-[(4-oxo-4H-1-benzopyran-2-yl)carbonyl]-4-(phenylmethyl)- chemical structure, C21H20N2O3, CAS 106613-04-1](/s/YZAKXXZRPAGIGO-UHFFFAOYSA-N.svg)
Piperazine, 1-[(4-oxo-4H-1-benzopyran-2-yl)carbonyl]-4-(phenylmethyl)-
CAS 106613-04-1C21H20N2O3
![(1Z)-1-(1,3-Benzodioxol-5-ylimino)-4,4,6-trimethyl-5,6-dihydro-4H-pyrrolo[3,2,1-ij]quinolin-2(1H)-one chemical structure, C21H20N2O3, CAS 775289-50-4](/s/OGJCKFDWRAVTEV-UHFFFAOYSA-N.svg)
(1Z)-1-(1,3-Benzodioxol-5-ylimino)-4,4,6-trimethyl-5,6-dihydro-4H-pyrrolo[3,2,1-ij]quinolin-2(1H)-one
CAS 775289-50-4C21H20N2O3
1-(1-Methyl-2-phenylindol-3-yl)-2-morpholin-4-ylethane-1,2-dione
CAS 727681-13-2C21H20N2O3
![4-[2-(1,2-Dimethylindol-3-yl)-2-oxoethyl]-6-methyl-1,4-benzoxazin-3-one chemical structure, C21H20N2O3, CAS 879054-38-3](/s/VKMUYBPXDFJZSE-UHFFFAOYSA-N.svg)
4-[2-(1,2-Dimethylindol-3-yl)-2-oxoethyl]-6-methyl-1,4-benzoxazin-3-one
CAS 879054-38-3C21H20N2O3
![3-Isopropyl-1-(4-methylbenzyl)benzofuro[3,2-d]pyrimidine-2,4(1H,3H)-dione chemical structure, C21H20N2O3, CAS 892424-31-6](/s/PIHFTNMWRNAADK-UHFFFAOYSA-N.svg)
3-Isopropyl-1-(4-methylbenzyl)benzofuro[3,2-d]pyrimidine-2,4(1H,3H)-dione
CAS 892424-31-6C21H20N2O3
![3-Isopropyl-1-(3-methylbenzyl)benzofuro[3,2-d]pyrimidine-2,4(1H,3H)-dione chemical structure, C21H20N2O3, CAS 892424-40-7](/s/UKPVIFNZYHYBHM-UHFFFAOYSA-N.svg)
3-Isopropyl-1-(3-methylbenzyl)benzofuro[3,2-d]pyrimidine-2,4(1H,3H)-dione
CAS 892424-40-7C21H20N2O3
Benzoic acid, 3,5-bis(phenylmethoxy)-, hydrazide
CAS 116168-85-5C21H20N2O3
4-(2-Phenoxyethoxy)-N-(3-pyridinylmethyl)benzamide
CAS 940519-70-0C21H20N2O3
2-(Benzylamino)-4-(naphthalen-2-ylamino)-4-oxobutanoic acid
CAS 96060-12-7C21H20N2O3
![4-[2-[2-Ethyl-4-phenyl-6-oxo-1,6-dihydro-1-pyrimidinyl]ethoxy]benzaldehyde chemical structure, C21H20N2O3, CAS 199114-30-2](/s/SOZWCJZXXJVGDY-UHFFFAOYSA-N.svg)
4-[2-[2-Ethyl-4-phenyl-6-oxo-1,6-dihydro-1-pyrimidinyl]ethoxy]benzaldehyde
CAS 199114-30-2C21H20N2O3
![N-(Benzo[d][1,3]dioxol-5-ylmethyl)-2-(2,3-dihydrocyclopenta[b]indol-4(1H)-yl)acetamide chemical structure, C21H20N2O3, CAS 1203002-59-8](/s/SIEYPLWZLHKHBS-UHFFFAOYSA-N.svg)
N-(Benzo[d][1,3]dioxol-5-ylmethyl)-2-(2,3-dihydrocyclopenta[b]indol-4(1H)-yl)acetamide
CAS 1203002-59-8C21H20N2O3
- 2-Methyl-4-[(2-phenylmorpholino)carbonyl]-1(2H)-isoquinolinone1374514-95-0C21H20N2O3
- N-(2-Methoxyphenethyl)-3-(pyridin-2-yloxy)benzamide1797141-42-4C21H20N2O3
- N-((2-Methoxy-2,3-dihydro-1H-inden-2-yl)methyl)-5-phenylisoxazole-3-carboxamide2034260-87-0C21H20N2O3
- N-[4-(4-Oxo-4H-3,1-benzoxazin-2-yl)phenyl]cyclohexanecarboxamide496875-83-3C21H20N2O3
- N-[4-[(3,5-Dimethylbenzoyl)amino]-2-methylphenyl]furan-2-carboxamide701279-41-6C21H20N2O3
- 2-[(2,2-Dimethyl-3H-1-benzofuran-7-yl)oxy]-N-quinolin-3-ylacetamide696608-62-5C21H20N2O3
- (2E)-3-(1,3-Benzodioxol-5-yl)-N-[2-(5-methyl-1H-indol-3-yl)ethyl]prop-2-enamide775289-82-2C21H20N2O3
- N-[1-(2-Methylanilino)-2-(4-methylphenyl)-2-oxoethyl]furan-2-carboxamide425632-41-3C21H20N2O3
- 3-Isoquinolinecarboxylic acid, 1-(4-morpholinyl)-4-phenyl-, methyl ester78945-96-7C21H20N2O3
- N-Cyclopropyl-2-(3,4-dimethoxyphenyl)quinoline-4-carboxamide545348-85-4C21H20N2O3
- [5-(1,3-Benzodioxol-5-yl)-1H-pyrazol-1-yl][4-(tert-butyl)phenyl]methanone956181-72-9C21H20N2O3
- 1-Benzyl-3-butyl-[1]benzofuro[3,2-d]pyrimidine-2,4-dione892426-58-3C21H20N2O3
- 3-(Cyclopropanecarboxamido)-N-(4-ethylphenyl)benzofuran-2-carboxamide888454-34-0C21H20N2O3
- 4-[2-[2-Benzyl-4-methyl-6-oxo-1,6-dihydro-1-pyrimidinyl]ethoxy]benzaldehyde199114-28-8C21H20N2O3
- 1-(3,4-Dihydroisoquinolin-2(1H)-yl)-2-(5-(3-methoxyphenyl)isoxazol-3-yl)ethanone953203-29-7C21H20N2O3
- 1-(3,4-Dihydroisoquinolin-2(1H)-yl)-2-(5-(4-methoxyphenyl)isoxazol-3-yl)ethanone952986-99-1C21H20N2O3
- Ethyl 2-methyl-4-(4-methylbenzamido)quinoline-6-carboxylate953854-73-4C21H20N2O3
- N-{4-[(4-Ethylbenzoyl)amino]-2-methylphenyl}-2-furamide900768-67-4C21H20N2O3
- N-(2-Furylmethyl)-3-[(3-phenylpropanoyl)amino]benzamide940524-67-4C21H20N2O3
- N-(Benzofuran-2-carbonyl)-N-phenylpiperidine-1-carboxamide899992-51-9C21H20N2O3
- (Z)-7,8-Dimethoxy-3-(4-methylbenzylidene)-2,3-dihydropyrrolo[1,2-a]quinazolin-5(1H)-one881561-02-0C21H20N2O3
- N-{2-[1-Hydroxy-1-(pyridin-2-yl)ethyl]phenyl}-4-methoxybenzamide58754-50-0C21H20N2O3
- 7-Methyl-2-[3-(propan-2-yloxy)phenyl]-3H,4H,5H-chromeno[2,3-d]pyrimidin-4-one902857-08-3C21H20N2O3
- 1-Allyl-N-(3,4-dimethylphenyl)-4-hydroxy-2-oxo-1,2-dihydroquinoline-3-carboxamide941898-51-7C21H20N2O3
- 1-Allyl-N-(3-ethylphenyl)-4-hydroxy-2-oxo-1,2-dihydroquinoline-3-carboxamide941923-30-4C21H20N2O3
- 1-Allyl-N-(4-ethylphenyl)-4-hydroxy-2-oxo-1,2-dihydroquinoline-3-carboxamide941898-47-1C21H20N2O3
- N-((2-Hydroxy-1,2,3,4-tetrahydronaphthalen-2-yl)methyl)-5-phenylisoxazole-3-carboxamide1421443-81-3C21H20N2O3
- 1-(1-(2-([1,1'-Biphenyl]-4-yl)acetyl)azetidin-3-yl)pyrrolidine-2,5-dione1903296-71-8C21H20N2O3
- N-{[4-(Furan-3-yl)phenyl]methyl}-N'-(2-phenylethyl)ethanediamide2034456-93-2C21H20N2O3
- N-(4-Methylphenyl)-1-[(3-methylphenyl)methoxy]-2-oxopyridine-3-carboxamide847464-28-2C21H20N2O3
- 4-[(2-Methoxyphenoxy)methyl]-N-(pyridin-2-ylmethyl)benzamide495381-87-8C21H20N2O3
- N-((2,3,4,9-Tetrahydro-1H-carbazol-6-yl)methyl)benzo[d][1,3]dioxole-5-carboxamide852138-24-0C21H20N2O3
- N-[(E)-(2-Ethoxynaphthalen-1-yl)methylideneamino]-2-hydroxy-2-phenylacetamide339572-58-6C21H20N2O3
- N-(2-Methoxyphenyl)-1-(2-methylbenzyl)-2-oxo-1,2-dihydropyridine-3-carboxamide946302-29-0C21H20N2O3
- N-(4-Methoxyphenyl)-1-(2-methylbenzyl)-2-oxo-1,2-dihydropyridine-3-carboxamide946354-74-1C21H20N2O3
- N-(2-Methoxyphenyl)-1-[(3-methylphenyl)methyl]-2-oxo-1,2-dihydropyridine-3-carboxamide899947-89-8C21H20N2O3
- 3,6,6-Trimethyl-4-oxo-N-quinolin-8-yl-5,7-dihydro-1-benzofuran-2-carboxamide889305-12-8C21H20N2O3
- (E)-2-Cyano-N-cyclopropyl-3-(4-methoxy-3-phenylmethoxyphenyl)prop-2-enamide573966-91-3C21H20N2O3
- 3-Butyryl-4-(4-hydroxy-2-methylphenylamino)quinoline-8-carbaldehyde125500-72-3C21H20N2O3
- Quinoline, 2-methoxy-3-[5-(2-methoxyethoxy)-1H-indol-2-yl]-820977-36-4C21H20N2O3
- 1-(3,4-Dihydroquinolin-1(2H)-yl)-2-(5-(4-methoxyphenyl)isoxazol-3-yl)ethanone952987-47-2C21H20N2O3
- N-[3-(Acetylamino)phenyl]-2-(naphthalen-2-yloxy)propanamide928882-76-2C21H20N2O3
- Benzyl 2-(1H-indole-3-carbonyl)pyrrolidine-1-carboxylate143321-64-6C21H20N2O3
- 8-(4-Aminomethylphenyl)-1-cyclopropyl-9-methyl-4-oxo-4H-quinolizine-3-carboxylic acid508224-33-7C21H20N2O3
- 3-Cyclopropylmethyl-7-methyl-4-oxo-1-phenyl-1,4-dihydro[1,8]naphthyridine-2-carboxylic acid methyl ester1080674-60-7C21H20N2O3
- N-(2-Methoxyphenyl)-1-[(4-methylphenyl)methyl]-6-oxo-1,6-dihydropyridine-3-carboxamide946362-68-1C21H20N2O3
- N-(3-Methoxyphenyl)-1-[(4-methylphenyl)methyl]-6-oxo-1,6-dihydropyridine-3-carboxamide946230-34-8C21H20N2O3
- N-(4-Methoxyphenyl)-1-[(4-methylphenyl)methyl]-6-oxo-1,6-dihydropyridine-3-carboxamide946279-55-6C21H20N2O3
- 3,4-Dihydro-2H-1,5-benzodioxepin-7-yl(1,3,4,5-tetrahydro-2H-pyrido[4,3-b]indol-2-yl)methanone1325420-90-3C21H20N2O3
- 5-(Benzyloxy)-N-(3,4-dimethylphenyl)-4-oxo-1,4-dihydropyridine-2-carboxamide1021261-39-1C21H20N2O3
- N-(4-Acetylphenyl)-1-ethyl-2-methyl-4-oxo-1,4-dihydroquinoline-6-carboxamide1010908-07-2C21H20N2O3
- N-(3-Acetylphenyl)-1-ethyl-2-methyl-4-oxo-1,4-dihydroquinoline-6-carboxamide1010917-12-0C21H20N2O3
- 2-(1,3-Benzodioxol-5-yl)-4-[1-(2-furylmethyl)pyrrolidin-3-yl]pyridine1269288-85-8C21H20N2O3
- (1S,2R)-2-[(1,3-Dioxo-1,3-dihydro-2H-isoindol-2-yl)methyl]-N-ethyl-1-phenylcyclopropane-1-carboxamide105310-73-4C21H20N2O3
- 3-(2,3-Dihydro-1-benzofuran-5-yl)-N-(7-methoxyquinolin-3-yl)propanamide1401599-50-5C21H20N2O3
- N-(2-Cyclopropyl-2-hydroxy-2-phenylethyl)-5-phenylisoxazole-3-carboxamide1421525-17-8C21H20N2O3
- {[(4-Ethylphenyl)methyl]carbamoyl}methyl quinoline-2-carboxylate1794845-61-6C21H20N2O3
- Methyl 2,3,4,9-tetrahydro-2-(2-phenylacetyl)-1H-pyrido[3,4-B]indole-6-carboxylate1428341-51-8C21H20N2O3
- N-{[2-(Furan-2-yl)pyridin-4-yl]methyl}-5-oxo-5-phenylpentanamide2034593-18-3C21H20N2O3
- (2-Methoxyphenyl)(3-(quinolin-8-yloxy)pyrrolidin-1-yl)methanone1903622-85-4C21H20N2O3
- (E)-3-(Furan-2-yl)-1-(4-(quinolin-8-yloxy)piperidin-1-yl)prop-2-en-1-one1904625-44-0C21H20N2O3
- N-([1,1'-Biphenyl]-2-yl)-2-(2-methoxyethoxy)isonicotinamide2034389-30-3C21H20N2O3
- N1-(4-(furan-3-yl)benzyl)-N2-(1-phenylethyl)oxalamide2034414-63-4C21H20N2O3
- N1-(2,3-dimethylphenyl)-N2-(4-(furan-3-yl)benzyl)oxalamide2034557-70-3C21H20N2O3
- N-((6-(Furan-3-yl)pyridin-3-yl)methyl)-5-oxo-5-phenylpentanamide2034310-14-8C21H20N2O3
- N-{[5-(Furan-3-yl)pyridin-3-yl]methyl}-5-oxo-5-phenylpentanamide2034209-64-6C21H20N2O3
- N-(1,3-Dioxo-2-phenylisoindol-4-yl)cyclohexanecarboxamide364742-52-9C21H20N2O3
- 2-Cyclohexyl-1,3-dioxo-N-phenylisoindole-5-carboxamide842115-50-8C21H20N2O3
- N-(4-Anilinophenyl)-2,4-dimethoxybenzamide409357-08-0C21H20N2O3
- 2-[2-(4-Methylpiperidine-1-carbonyl)phenyl]isoindole-1,3-dione875179-26-3C21H20N2O3
- Antipyrine, 4-(2-(p-anisoyl)vinyl)-24428-77-1C21H20N2O3
- 1-[(4-Ethenylphenyl)methyl]-4-(2-ethoxyphenyl)pyrazine-2,3-dione898419-31-3C21H20N2O3
- 1-Benzyl-N-(2-ethoxyphenyl)-2-oxo-1,2-dihydropyridine-3-carboxamide933251-71-9C21H20N2O3
- 1-Benzyl-N-(4-ethoxyphenyl)-2-oxo-1,2-dihydropyridine-3-carboxamide946244-78-6C21H20N2O3
- cis-2-[(1,3-Dihydro-1,3-dioxo-2H-isoindol-2-yl)Methyl]-N-ethyl-1-phenyl2386090-46-4C21H20N2O3
- 2-(4-Butoxyphenyl)-5-(3-methyl-1-benzofuran-2-yl)-1,3,4-oxadiazole889774-38-3C21H20N2O3
Frequently asked questions
What is the molar mass of C21H20N2O3?
The molar mass of C21H20N2O3 is 348.40 g/mol, calculated from standard atomic weights for 21 carbon atoms, 20 hydrogen atoms, 2 nitrogen atoms and 3 oxygen atoms. The monoisotopic mass is 348.1474 Da.
How many compounds have the formula C21H20N2O3?
CompoundList lists 251 compounds with the molecular formula C21H20N2O3, including [1-[(Z)-(3-Oxo-6,7,8,9-tetrahydro-5H-imidazo[1,2-a]azepin-2-ylidene)methyl]naphthalen-2-yl] acetate, N-(4-Acetamidophenyl)-3-(5-phenylfuran-2-yl)propanamide, 1-[4-(1,3-Benzodioxol-5-ylmethoxy)phenyl]-N-(pyridin-3-ylmethyl)methanamine. 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 C21H20N2O3?
C21H20N2O3 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.