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 1 to 100 of 400 compounds
![(E)-N-[2-(1H-Benzoimidazol-2-yl)-ethyl]-3-(2,5-dimethoxy-phenyl)-acrylamide chemical structure, C20H21N3O3, CAS 301229-79-8](/s/SXDKGCMVRCIVQC-JXMROGBWSA-N.svg)
(E)-N-[2-(1H-Benzoimidazol-2-yl)-ethyl]-3-(2,5-dimethoxy-phenyl)-acrylamide
CAS 301229-79-8C20H21N3O3
4-(3,4-Dimethoxybenzylideneamino)antipyrine
CAS 78439-83-5C20H21N3O3
Phenylalanyltryptophan
CAS 24587-41-5C20H21N3O3
N-(2-Aminophenyl)-1-butyl-4-hydroxy-2-oxo-3-quinolinecarboxamide
CAS 151449-81-9C20H21N3O3
3-(3-Carbazol-9-yl-2-hydroxypropyl)-5,5-dimethylimidazolidine-2,4-dione
CAS 312598-11-1C20H21N3O3
![3-{[4-(Morpholin-4-yl)phenyl]amino}-1-phenylpyrrolidine-2,5-dione chemical structure, C20H21N3O3, CAS 320784-66-5](/s/KSEOMXZDMKWJJY-UHFFFAOYSA-N.svg)
3-{[4-(Morpholin-4-yl)phenyl]amino}-1-phenylpyrrolidine-2,5-dione
CAS 320784-66-5C20H21N3O3
![N-[(3-Phenyl-1,2,4-oxadiazol-5-yl)methyl]-2-(2,3,5-trimethylphenoxy)acetamide chemical structure, C20H21N3O3, CAS 727365-51-7](/s/YUZBSMACDDPQEZ-UHFFFAOYSA-N.svg)
N-[(3-Phenyl-1,2,4-oxadiazol-5-yl)methyl]-2-(2,3,5-trimethylphenoxy)acetamide
CAS 727365-51-7C20H21N3O3
H-Trp-phe-OH
CAS 6686-02-8C20H21N3O3
![2-Phenoxy-N-[(3-phenyl-1,2,4-oxadiazol-5-yl)methyl]-N-propan-2-ylacetamide chemical structure, C20H21N3O3, CAS 727363-14-6](/s/WZBQQXQHQKQUOW-UHFFFAOYSA-N.svg)
2-Phenoxy-N-[(3-phenyl-1,2,4-oxadiazol-5-yl)methyl]-N-propan-2-ylacetamide
CAS 727363-14-6C20H21N3O3
4-Hydroxy-1-(2-methylpropyl)-2-oxo-N-(pyridin-2-ylmethyl)-1,2-dihydroquinoline-3-carboxamide
CAS 300834-21-3C20H21N3O3
![N-(2-Methoxyethyl)-2-[4-(4-methylphenyl)-1-oxophthalazin-2-yl]acetamide chemical structure, C20H21N3O3, CAS 684234-72-8](/s/LAGMDUYLZYKESG-UHFFFAOYSA-N.svg)
N-(2-Methoxyethyl)-2-[4-(4-methylphenyl)-1-oxophthalazin-2-yl]acetamide
CAS 684234-72-8C20H21N3O3
N-(2-Methoxyphenyl)-6-methyl-2-oxo-4-(p-tolyl)-1,2,3,4-tetrahydropyrimidine-5-carboxamide
CAS 421575-63-5C20H21N3O3
1-(4-Benzoylphenoxy)-3-(3,5-dimethyl-1H-1,2,4-triazol-1-yl)propan-2-ol
CAS 701932-43-6C20H21N3O3
4-(3-Methoxyphenyl)-6-methyl-2-oxo-N-(p-tolyl)-1,2,3,4-tetrahydropyrimidine-5-carboxamide
CAS 377761-40-5C20H21N3O3
7-Hydroxy-8-((4-methylpiperazin-1-yl)methyl)-3-(pyridin-2-yl)-2H-chromen-2-one
CAS 315237-88-8C20H21N3O3
![4,7,7-Trimethyl-3-oxo-N,N-di(pyridin-2-yl)-2-oxabicyclo[2.2.1]heptane-1-carboxamide chemical structure, C20H21N3O3, CAS 1212444-85-3](/s/XWARXXMNZVNGJV-UHFFFAOYSA-N.svg)
4,7,7-Trimethyl-3-oxo-N,N-di(pyridin-2-yl)-2-oxabicyclo[2.2.1]heptane-1-carboxamide
CAS 1212444-85-3C20H21N3O3
![(3-Nitrophenyl)-[4-[(E)-3-phenylprop-2-enyl]piperazin-1-yl]methanone chemical structure, C20H21N3O3, CAS 325779-75-7](/s/NECSOLNWRBGVFQ-VMPITWQZSA-N.svg)
(3-Nitrophenyl)-[4-[(E)-3-phenylprop-2-enyl]piperazin-1-yl]methanone
CAS 325779-75-7C20H21N3O3
![N-(3,4-Dimethylphenyl)-3-[3-(4-methoxyphenyl)-1,2,4-oxadiazol-5-yl]propanamide chemical structure, C20H21N3O3, CAS 831199-62-3](/s/WXMAKWBPFWKZLJ-UHFFFAOYSA-N.svg)
N-(3,4-Dimethylphenyl)-3-[3-(4-methoxyphenyl)-1,2,4-oxadiazol-5-yl]propanamide
CAS 831199-62-3C20H21N3O3
(E)-1-(4-Benzylpiperazin-1-yl)-3-(3-nitrophenyl)prop-2-en-1-one
CAS 349088-36-4C20H21N3O3
![1-Ethyl-7-methyl-4-oxo-1,4-dihydro-[1,8]naphthyridine-3-carboxylic acid 2-methoxy-benzylamide chemical structure, C20H21N3O3, CAS 440338-08-9](/s/JGUVITUCGXIIOU-UHFFFAOYSA-N.svg)
1-Ethyl-7-methyl-4-oxo-1,4-dihydro-[1,8]naphthyridine-3-carboxylic acid 2-methoxy-benzylamide
CAS 440338-08-9C20H21N3O3
![4-(2,4-Dioxo-1H-quinazolin-3-yl)-N-[(4-methylphenyl)methyl]butanamide chemical structure, C20H21N3O3, CAS 896373-28-7](/s/CDZCEXTZMCGZOZ-UHFFFAOYSA-N.svg)
4-(2,4-Dioxo-1H-quinazolin-3-yl)-N-[(4-methylphenyl)methyl]butanamide
CAS 896373-28-7C20H21N3O3
![3-[3-(4-Methoxyphenyl)-1,2,4-oxadiazol-5-yl]-N-(2-phenylethyl)propanamide chemical structure, C20H21N3O3, CAS 896817-57-5](/s/CDXQWCUBEBPWCE-UHFFFAOYSA-N.svg)
3-[3-(4-Methoxyphenyl)-1,2,4-oxadiazol-5-yl]-N-(2-phenylethyl)propanamide
CAS 896817-57-5C20H21N3O3
![2-[1-(4-Methylbenzoyl)-3-oxopiperazin-2-yl]-N-phenylacetamide chemical structure, C20H21N3O3, CAS 1009496-61-0](/s/ZWKWWKWXBWDIMT-UHFFFAOYSA-N.svg)
2-[1-(4-Methylbenzoyl)-3-oxopiperazin-2-yl]-N-phenylacetamide
CAS 1009496-61-0C20H21N3O3
2-(3,4-Dimethoxyphenyl)-6-(1-pyrrolidinyl)-4(3H)-quinazolinone
CAS 299897-95-3C20H21N3O3
- N-(2-Cyanophenyl)-2-(6,7-dimethoxy-3,4-dihydroisoquinolin-2(1H)-yl)acetamide790265-55-3C20H21N3O3
- 2-(3-Methylbutyl)-1,3-dioxo-N-(pyridin-2-ylmethyl)-2,3-dihydro-1H-isoindole-5-carboxamide941108-14-1C20H21N3O3
- 3-[3-(3-Methoxyphenyl)-1,2,4-oxadiazol-5-yl]-N-(2-phenylethyl)propanamide899405-84-6C20H21N3O3
- Malic Enzyme inhibitor ME1522649-59-8C20H21N3O3
- Ethyl 2-methyl-5-(3-methyl-4-oxo-3,4-dihydrophthalazin-1-yl)benzylcarbamate694475-59-7C20H21N3O3
- 2-(3-Methylbutyl)-N-(4-methylpyridin-2-yl)-1,3-dioxoisoindole-5-carboxamide774187-05-2C20H21N3O3
- 1-Piperidinecarboxamide, 4-(2-benzoxazolyl)-N-(2-methoxyphenyl)-605627-17-6C20H21N3O3
- 1-Butyl-4-hydroxy-N-(5-methylpyridin-2-yl)-2-oxo-1,2-dihydroquinoline-3-carboxamide330817-85-1C20H21N3O3
- 1-Butyl-4-hydroxy-2-oxo-N-(pyridin-2-ylmethyl)-1,2-dihydroquinoline-3-carboxamide300701-46-6C20H21N3O3
- 2-(2-(2-(Allyloxy)benzylidene)hydrazino)-N-(4-ethylphenyl)-2-oxoacetamide769146-58-9C20H21N3O3
- 2-(2-(3-(Allyloxy)benzylidene)hydrazino)-N-(4-ethylphenyl)-2-oxoacetamide769144-16-3C20H21N3O3
- N-(2-(2-(2-(Allyloxy)benzylidene)hydrazino)-2-oxoethyl)-2-methylbenzamide769143-02-4C20H21N3O3
- N-(2-(2-(3-(Allyloxy)benzylidene)hydrazino)-2-oxoethyl)-2-methylbenzamide767335-33-1C20H21N3O3
- N-(4-Ethoxy-PH)-2-(2-(2-methyl-3-PH-2-propenylidene)hydrazino)-2-oxoacetamide881660-00-0C20H21N3O3
- (2-{[4-(2-Methoxyphenyl)piperazin-1-yl]carbonyl}-1-benzofuran-3-yl)amine902938-89-0C20H21N3O3
- N'-(2-Ethoxyphenyl)-N-[2-(1H-indol-3-yl)ethyl]oxamide443325-77-7C20H21N3O3
- 2-(2-Amino-5-(4-methoxyphenyl)pyrimidin-4-yl)-4-ethyl-5-methoxyphenol314247-66-0C20H21N3O3
- 2-(2-(3-Allyl-2-hydroxybenzylidene)hydrazino)-N-(4-ethylphenyl)-2-oxoacetamide769143-39-7C20H21N3O3
- (E)-4-((3-Ethoxy-4-hydroxybenzylidene)amino)-1,5-dimethyl-2-phenyl-1H-pyrazol-3(2H)-one879085-06-0C20H21N3O3
- Moquizone19395-58-5C20H21N3O3
- N-(1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)-2-ethoxybenzamide1051-22-5C20H21N3O3
- 2-(4-Isopropylphenoxy)-N-((4-oxo-3,4-dihydrophthalazin-1-yl)methyl)acetamide899745-54-1C20H21N3O3
- N-[4-(5-Ethyl-1,3,4-oxadiazol-2-yl)phenyl]-3-(4-methoxyphenyl)propanamide946276-05-7C20H21N3O3
- N-[6-(Hydroxyamino)-6-oxohexyl]acridine-4-carboxamide1620054-84-3C20H21N3O3
- 1 suppliers1-(1-(3-Methoxybenzoyl)piperidin-4-yl)-1H-benzo[d]imidazol-2(3H)-one289655-81-8C20H21N3O3
- N-[2-(1H-Benzoimidazol-2-yl)-ethyl]-3-(3,4-dimethoxy-phenyl)-acrylamide301229-78-7C20H21N3O3
- 5-Nitro-N-[2-(4-propylphenoxy)ethyl]quinolin-8-amine330633-89-1C20H21N3O3
- 4-(2,4-Dioxo-1,2-dihydroquinazolin-3(4H)-yl)-N-phenethylbutanamide896373-06-1C20H21N3O3
- 1-(Furan-2-ylmethyl)-N-[2-(1H-indol-3-yl)ethyl]-5-oxopyrrolidine-3-carboxamide851209-70-6C20H21N3O3
- N-[1-(1H-Benzimidazol-2-yl)-2-methylpropyl]-2,3-dihydro-1,4-benzodioxine-2-carboxamide878089-34-0C20H21N3O3
- N-Cyclohexyl-N-[(3-phenyl-1,2,4-oxadiazol-5-yl)methyl]furan-2-carboxamide878434-05-0C20H21N3O3
- 4-(3-Methoxyphenyl)-6-methyl-2-oxo-N-(o-tolyl)-1,2,3,4-tetrahydropyrimidine-5-carboxamide332373-06-5C20H21N3O3
- 4-((1H-Indol-7-yl)carbamoyl)phenyl diethylcarbamate1237541-73-9C20H21N3O3
- 4-Butoxy-N-[4-(3-methyl-1,2,4-oxadiazol-5-yl)phenyl]benzamide1226432-01-4C20H21N3O3
- 2,4-Dioxo-3-(2-phenylethyl)-N-(propan-2-yl)-1,2,3,4-tetrahydroquinazoline-7-carboxamide892280-05-6C20H21N3O3
- 1-Cyclohexyl-3-{10-oxo-2-oxa-9-azatricyclo[9.4.0.0^{3,8}]pentadeca-1(11),3(8),4,6,12,14-hexaen-13-yl}urea1203172-25-1C20H21N3O3
- N-(2-(Cyclopropanecarbonyl)-1,2,3,4-tetrahydroisoquinolin-7-yl)-1-methyl-2-oxo-1,2-dihydropyridine-3-carboxamide1327637-42-2C20H21N3O3
- (E)-4-((2,4-Dimethoxybenzylidene)amino)-1,5-dimethyl-2-phenyl-1H-pyrazol-3(2H)-one125298-63-7C20H21N3O3
- 2,5-Dimethylbenzyl 1-(4-methoxyphenyl)-5-methyl-1H-1,2,3-triazole-4-carboxylate946372-26-5C20H21N3O3
- Methyl 2-(diethylamino)-4-oxo-3-phenyl-3,4-dihydroquinazoline-7-carboxylate1251584-70-9C20H21N3O3
- Egis 7649177034-98-9C20H21N3O3
- 2-(4-Isopropylphenyl)-N-(5-(4-methoxyphenyl)-1,3,4-oxadiazol-2-yl)acetamide923386-83-8C20H21N3O3
- N-(3,4-Dimethylphenyl)-2-(3-(4-methoxyphenyl)-2-oxo-2,3-dihydro-1H-imidazol-1-yl)acetamide950455-50-2C20H21N3O3
- 2-[4-(5-Methyl-1,3,4-oxadiazol-2-yl)phenoxy]-N-(2,4,6-trimethylphenyl)acetamide946275-26-9C20H21N3O3
- 2-[3-(5-Ethyl-1,3,4-oxadiazol-2-yl)phenoxy]-N-[(4-methylphenyl)methyl]acetamide946239-34-5C20H21N3O3
- 4-[2-(2-Methoxyethoxy)ethoxy]-2,6-bis(2-pyridyl)pyridine613665-49-9C20H21N3O3
- Aniflorine29048-81-5C20H21N3O3
- N1-(2-(1H-indol-3-yl)ethyl)-N2-(2-methoxybenzyl)oxalamide941939-36-2C20H21N3O3
- N-[2-(4-Methoxyphenyl)ethyl]-2-(8-methyl-4-oxo-3,4-dihydroquinazolin-3-yl)acetamide1088148-05-3C20H21N3O3
- N-(2-Ethylphenyl)-4-(3-(furan-2-yl)-6-oxopyridazin-1(6H)-yl)butanamide1021132-75-1C20H21N3O3
- 4-(3-(Furan-2-yl)-6-oxopyridazin-1(6H)-yl)-N-phenethylbutanamide1021132-77-3C20H21N3O3
- 2-(2,5-Dimethylphenoxy)-N-{2-methyl-4-oxo-4H-pyrido[1,2-a]pyrimidin-3-yl}propanamide1060244-76-9C20H21N3O3
- N'-(1-Acetyl-3,4-dihydro-2H-quinolin-7-yl)-N-benzyloxamide898439-44-6C20H21N3O3
- N-(2-Aminophenyl)-6-(1,3-dioxoisoindol-2-yl)hexanamide362671-97-4C20H21N3O3
- (4-(4-Methoxyphenyl)piperazin-1-yl)(5-methylfuro[3,2-b]pyridin-2-yl)methanone941881-05-6C20H21N3O3
- 4-(3-(Furan-2-yl)-6-oxopyridazin-1(6H)-yl)-N-(4-methylbenzyl)butanamide1021132-69-3C20H21N3O3
- N-(2,3-Dimethylphenyl)-4-(3-(furan-2-yl)-6-oxopyridazin-1(6H)-yl)butanamide1021105-98-5C20H21N3O3
- N-{2,8-Dimethyl-4-oxo-4H-pyrido[1,2-a]pyrimidin-3-yl}-3-(4-methoxyphenyl)propanamide946381-76-6C20H21N3O3
- N-{2,7-Dimethyl-4-oxo-4H-pyrido[1,2-a]pyrimidin-3-yl}-3-(4-methoxyphenyl)propanamide946382-29-2C20H21N3O3
- Hdac3-IN-82763368-90-5C20H21N3O3
- Cycloechinulin143086-29-7C20H21N3O3
- N-(Furan-2-ylmethyl)-2-((2-(pyrrolidin-1-yl)quinolin-8-yl)oxy)acetamide921853-31-8C20H21N3O3
- 1-Butyl-4-hydroxy-N-(4-methylpyridin-2-yl)-2-oxo-1,2-dihydroquinoline-3-carboxamide330817-84-0C20H21N3O3
- N-(4-Methoxyphenyl)-6-methyl-2-oxo-4-(p-tolyl)-1,2,3,4-tetrahydropyrimidine-5-carboxamide333767-85-4C20H21N3O3
- (2R)-2-Amino-3-[[4-(2-ethylphenyl)-1H-indole-2-carbonyl]amino]propanoic acid861213-66-3C20H21N3O3
- N-(1,3-Dioxaindan-5-yl)-2-cyano-3-(2,5-dimethyl-1-propyl-1H-pyrrol-3-yl)prop-2-enamide940843-34-5C20H21N3O3
- N-(Furan-2-ylmethyl)-4-oxo-4-(1,3,4,5-tetrahydro-2H-pyrido[4,3-b]indol-2-yl)butanamide1071913-72-8C20H21N3O3
- 2-[2-Methoxy-6-[[2-(4-methoxyphenyl)ethyl]amino]-4-pyrimidinyl]phenol885067-48-1C20H21N3O3
- Pyrrolo[2,1-b]quinazolin-9(1H)-one, 3-[2-(dimethylamino)phenyl]-2,3-dihydro-3-hydroxy-5-methoxy-16688-21-4C20H21N3O3
- N-(Morpholinomethyl)phenytoin856-85-9C20H21N3O3
- N-[2-(2-Methoxyphenyl)ethyl]-2-(8-methyl-4-oxoquinazolin-3-yl)acetamide1324601-83-3C20H21N3O3
- 1 suppliers1-(1-(4-Methoxybenzoyl)piperidin-4-yl)-1H-benzo[d]imidazol-2(3H)-one521170-89-8C20H21N3O3
- N-[4-(2-Amino-3-cyano-7,7-dimethyl-5-oxo-5,6,7,8-tetrahydro-4H-chromen-4-yl)phenyl]acetamide331977-64-1C20H21N3O3
- 3-(4-Methoxybenzyl)-3,4,7,12-tetrahydro-1H-(1,2,5)triazepino(1,2-b)phthalazine-1,5(2H)-dione81215-68-1C20H21N3O3
- 5-(Dimethylamino)-4-(4-methoxyphenoxy)-2-(4-methylphenyl)-3(2H)-pyridazinone551921-39-2C20H21N3O3
- N-(1,5-Dimethyl-3-oxo-2-phenylpyrazol-4-yl)-2-(2-methylphenoxy)acetamide65537-15-7C20H21N3O3
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 (E)-N-[2-(1H-Benzoimidazol-2-yl)-ethyl]-3-(2,5-dimethoxy-phenyl)-acrylamide, 4-(3,4-Dimethoxybenzylideneamino)antipyrine, Phenylalanyltryptophan. 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.