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 301 to 400 of 400 compounds
![2-Ethoxy-N-ethyl-N-[(3-phenyl-1,2,4-oxadiazol-5-yl)methyl]benzamide chemical structure, C20H21N3O3, CAS 879568-21-5](/s/ZMOTUDMZXOSZJH-UHFFFAOYSA-N.svg)
2-Ethoxy-N-ethyl-N-[(3-phenyl-1,2,4-oxadiazol-5-yl)methyl]benzamide
CAS 879568-21-5C20H21N3O3
![N-Ethyl-2-(2-methylphenoxy)-N-[(3-phenyl-1,2,4-oxadiazol-5-yl)methyl]acetamide chemical structure, C20H21N3O3, CAS 896659-84-0](/s/UFYDFPBCLMMQTB-UHFFFAOYSA-N.svg)
N-Ethyl-2-(2-methylphenoxy)-N-[(3-phenyl-1,2,4-oxadiazol-5-yl)methyl]acetamide
CAS 896659-84-0C20H21N3O3
![3-Butoxy-N-[4-(4-methylphenyl)-1,2,5-oxadiazol-3-yl]benzamide chemical structure, C20H21N3O3, CAS 898509-71-2](/s/NWRBXMKQFXLZDD-UHFFFAOYSA-N.svg)
3-Butoxy-N-[4-(4-methylphenyl)-1,2,5-oxadiazol-3-yl]benzamide
CAS 898509-71-2C20H21N3O3
![N-Ethyl-N-[[3-(4-methoxyphenyl)-1,2,4-oxadiazol-5-yl]methyl]-4-methylbenzamide chemical structure, C20H21N3O3, CAS 915932-88-6](/s/YUKLNUGCVCDDIJ-UHFFFAOYSA-N.svg)
N-Ethyl-N-[[3-(4-methoxyphenyl)-1,2,4-oxadiazol-5-yl]methyl]-4-methylbenzamide
CAS 915932-88-6C20H21N3O3
![N-Ethyl-4-methoxy-N-[[3-(4-methylphenyl)-1,2,4-oxadiazol-5-yl]methyl]benzamide chemical structure, C20H21N3O3, CAS 915934-55-3](/s/QEYHWOOBKSYZHZ-UHFFFAOYSA-N.svg)
N-Ethyl-4-methoxy-N-[[3-(4-methylphenyl)-1,2,4-oxadiazol-5-yl]methyl]benzamide
CAS 915934-55-3C20H21N3O3
![N-Ethyl-N-[[3-(4-methoxyphenyl)-1,2,4-oxadiazol-5-yl]methyl]-2-phenylacetamide chemical structure, C20H21N3O3, CAS 915927-29-6](/s/OKMCDCQHZNTBEB-UHFFFAOYSA-N.svg)
N-Ethyl-N-[[3-(4-methoxyphenyl)-1,2,4-oxadiazol-5-yl]methyl]-2-phenylacetamide
CAS 915927-29-6C20H21N3O3
![2-(4-Methoxyphenyl)-N-methyl-N-[[3-(4-methylphenyl)-1,2,4-oxadiazol-5-yl]methyl]acetamide chemical structure, C20H21N3O3, CAS 915928-73-3](/s/NMCYOOLMVZVTBM-UHFFFAOYSA-N.svg)
2-(4-Methoxyphenyl)-N-methyl-N-[[3-(4-methylphenyl)-1,2,4-oxadiazol-5-yl]methyl]acetamide
CAS 915928-73-3C20H21N3O3
![N-Ethyl-N-[[3-(3-methylphenyl)-1,2,4-oxadiazol-5-yl]methyl]-2-phenoxyacetamide chemical structure, C20H21N3O3, CAS 915928-44-8](/s/LNQVOJAYXIKNDS-UHFFFAOYSA-N.svg)
N-Ethyl-N-[[3-(3-methylphenyl)-1,2,4-oxadiazol-5-yl]methyl]-2-phenoxyacetamide
CAS 915928-44-8C20H21N3O3
![N-Methyl-2-(3-methylphenoxy)-N-[[3-(3-methylphenyl)-1,2,4-oxadiazol-5-yl]methyl]acetamide chemical structure, C20H21N3O3, CAS 915927-90-1](/s/YBWDNHQQCDAKGR-UHFFFAOYSA-N.svg)
N-Methyl-2-(3-methylphenoxy)-N-[[3-(3-methylphenyl)-1,2,4-oxadiazol-5-yl]methyl]acetamide
CAS 915927-90-1C20H21N3O3
![N-Methyl-2-(3-methylphenoxy)-N-[[3-(4-methylphenyl)-1,2,4-oxadiazol-5-yl]methyl]acetamide chemical structure, C20H21N3O3, CAS 916029-75-9](/s/HBRAOBFTTRFNOH-UHFFFAOYSA-N.svg)
N-Methyl-2-(3-methylphenoxy)-N-[[3-(4-methylphenyl)-1,2,4-oxadiazol-5-yl]methyl]acetamide
CAS 916029-75-9C20H21N3O3
![N-Methyl-2-(4-methylphenoxy)-N-[[3-(3-methylphenyl)-1,2,4-oxadiazol-5-yl]methyl]acetamide chemical structure, C20H21N3O3, CAS 915928-68-6](/s/PSKHWNGXYPDQFV-UHFFFAOYSA-N.svg)
N-Methyl-2-(4-methylphenoxy)-N-[[3-(3-methylphenyl)-1,2,4-oxadiazol-5-yl]methyl]acetamide
CAS 915928-68-6C20H21N3O3
![2-Ethoxy-N-methyl-N-[[3-(3-methylphenyl)-1,2,4-oxadiazol-5-yl]methyl]benzamide chemical structure, C20H21N3O3, CAS 924979-57-7](/s/IJJXNPZJCUDDDG-UHFFFAOYSA-N.svg)
2-Ethoxy-N-methyl-N-[[3-(3-methylphenyl)-1,2,4-oxadiazol-5-yl]methyl]benzamide
CAS 924979-57-7C20H21N3O3
![2-Ethoxy-N-methyl-N-[[3-(4-methylphenyl)-1,2,4-oxadiazol-5-yl]methyl]benzamide chemical structure, C20H21N3O3, CAS 905803-21-6](/s/WVPUFXAEBRPMSI-UHFFFAOYSA-N.svg)
2-Ethoxy-N-methyl-N-[[3-(4-methylphenyl)-1,2,4-oxadiazol-5-yl]methyl]benzamide
CAS 905803-21-6C20H21N3O3
![[(1-Cyanocyclohexyl)carbamoyl]methyl 4-(1H-pyrrol-1-yl)benzoate chemical structure, C20H21N3O3, CAS 871227-11-1](/s/JOCAHJXIUZFYDV-UHFFFAOYSA-N.svg)
[(1-Cyanocyclohexyl)carbamoyl]methyl 4-(1H-pyrrol-1-yl)benzoate
CAS 871227-11-1C20H21N3O3
![1-(1-(2-Phenoxyacetyl)piperidin-4-yl)-1H-benzo[d]imidazol-2(3H)-one chemical structure, C20H21N3O3, CAS 521169-82-4](/s/SVLKTSRFFFRTEF-UHFFFAOYSA-N.svg)
1-(1-(2-Phenoxyacetyl)piperidin-4-yl)-1H-benzo[d]imidazol-2(3H)-one
CAS 521169-82-4C20H21N3O3
![N-[4-(4-Methylphenyl)-1,2,5-oxadiazol-3-yl]-2-(2,4,6-trimethylphenoxy)acetamide chemical structure, C20H21N3O3, CAS 874127-34-1](/s/PTCBUSJHKYVTLT-UHFFFAOYSA-N.svg)
N-[4-(4-Methylphenyl)-1,2,5-oxadiazol-3-yl]-2-(2,4,6-trimethylphenoxy)acetamide
CAS 874127-34-1C20H21N3O3
![2-[5-Methyl-2-(propan-2-yl)phenoxy]-N-(4-phenyl-1,2,5-oxadiazol-3-yl)acetamide chemical structure, C20H21N3O3, CAS 874145-29-6](/s/FNXZQXSHRZKRCY-UHFFFAOYSA-N.svg)
2-[5-Methyl-2-(propan-2-yl)phenoxy]-N-(4-phenyl-1,2,5-oxadiazol-3-yl)acetamide
CAS 874145-29-6C20H21N3O3
N-(4-(Dimethylamino)phenyl)-2-(5-(3-methoxyphenyl)isoxazol-3-yl)acetamide
CAS 952986-18-4C20H21N3O3
3-Ethoxy-1-ethyl-N-(4-phenoxyphenyl)-1H-pyrazole-4-carboxamide
CAS 1014045-89-6C20H21N3O3
![2-(2-Methylphenoxy)-N-[[3-(4-methylphenyl)-1,2,4-oxadiazol-5-yl]methyl]propanamide chemical structure, C20H21N3O3, CAS 915933-75-4](/s/DGUVIOAXYJVCKU-UHFFFAOYSA-N.svg)
2-(2-Methylphenoxy)-N-[[3-(4-methylphenyl)-1,2,4-oxadiazol-5-yl]methyl]propanamide
CAS 915933-75-4C20H21N3O3
![2,3-Dimethoxy-N-[1-(2-methylbenzyl)-1H-pyrazol-4-yl]benzamide chemical structure, C20H21N3O3, CAS 1005679-99-1](/s/YHLVFDFJWXQLKK-UHFFFAOYSA-N.svg)
2,3-Dimethoxy-N-[1-(2-methylbenzyl)-1H-pyrazol-4-yl]benzamide
CAS 1005679-99-1C20H21N3O3
![N-[[3-(4-Methoxyphenyl)-1,2,4-oxadiazol-5-yl]methyl]-2-phenylbutanamide chemical structure, C20H21N3O3, CAS 915927-80-9](/s/HIMRDJDPVULDMD-UHFFFAOYSA-N.svg)
N-[[3-(4-Methoxyphenyl)-1,2,4-oxadiazol-5-yl]methyl]-2-phenylbutanamide
CAS 915927-80-9C20H21N3O3
![N-(2-{[(4-Methoxyphenyl)carbonyl]amino}ethyl)-1-methyl-1H-indole-2-carboxamide chemical structure, C20H21N3O3, CAS 1081122-37-3](/s/VYGCKNFLBGPKFB-UHFFFAOYSA-N.svg)
N-(2-{[(4-Methoxyphenyl)carbonyl]amino}ethyl)-1-methyl-1H-indole-2-carboxamide
CAS 1081122-37-3C20H21N3O3
![N-(2-{[(2-Methoxyphenyl)carbonyl]amino}ethyl)-1-methyl-1H-indole-2-carboxamide chemical structure, C20H21N3O3, CAS 1081126-98-8](/s/WICWDLLMRVRNEQ-UHFFFAOYSA-N.svg)
N-(2-{[(2-Methoxyphenyl)carbonyl]amino}ethyl)-1-methyl-1H-indole-2-carboxamide
CAS 1081126-98-8C20H21N3O3
- N-(2-{[(3-Methoxyphenyl)carbonyl]amino}ethyl)-1-methyl-1H-indole-2-carboxamide1081134-36-2C20H21N3O3
- 1-Methyl-N-{2-[(phenoxyacetyl)amino]ethyl}-1H-indole-3-carboxamide1144453-46-2C20H21N3O3
- N-(2-{[(2-Methoxyphenyl)carbonyl]amino}ethyl)-1-methyl-1H-indole-3-carboxamide1144451-19-3C20H21N3O3
- Z-Trp-nhme53708-61-5C20H21N3O3
- 3-(2,4-Dimethoxyphenyl)-N-(2-furanylmethyl)-N-2-propyn-1-yl-1H-pyrazole-4-methanamine1185377-39-2C20H21N3O3
- 5-Oxo-1-phenyl-N-{2-[(phenylcarbonyl)amino]ethyl}pyrrolidine-3-carboxamide1081119-18-7C20H21N3O3
- N-(2-Methoxyethyl)-3-(3-methylbenzamido)-1H-indole-2-carboxamide1029725-17-4C20H21N3O3
- (Z)-2-Cyano-N-[4-(2,6-dimethylmorpholin-4-yl)phenyl]-3-(furan-2-yl)prop-2-enamide1356782-94-9C20H21N3O3
- 2-{2-[3-(3-Methylphenyl)-1,2,4-oxadiazol-5-yl]phenoxy}-N-propylacetamide1243046-95-8C20H21N3O3
- 1 suppliers1-(1-(2-Hydroxy-4-methylbenzoyl)piperidin-4-yl)-1H-benzo[d]imidazol-2(3H)-one1324917-95-4C20H21N3O3
- 1 suppliers1-(1-(2-Hydroxy-5-methylbenzoyl)piperidin-4-yl)-1H-benzo[d]imidazol-2(3H)-one1326289-94-4C20H21N3O3
- N-[1-(Furan-2-ylcarbonyl)piperidin-4-yl]-2-(1H-indol-3-yl)acetamide1282132-73-3C20H21N3O3
- N-[1-(Furan-2-ylcarbonyl)piperidin-4-yl]-1-methyl-1H-indole-3-carboxamide1282128-13-5C20H21N3O3
- 3-(2-Methoxyphenyl)-N-(2-(4-oxoquinazolin-3(4H)-yl)ethyl)propanamide1282116-55-5C20H21N3O3
- 1H-Pyrrolo[2,3-b]pyridine-3-carboxylic acid,1-(1,1-dimethylethyl)-6-[(4-methylbenzoyl)amino]-915726-40-8C20H21N3O3
- Benzyl 4-(1,2-dihydro-2-oxobenzo[d]imidazol-3-yl)piperidin-1-carboxylate959701-26-9C20H21N3O3
- N-(2-tert-Butyl-1H-indol-5-yl)-2-(3-nitrophenyl)acetamide682357-51-3C20H21N3O3
- Phenyl 3-isopropyl-1-(4-methoxyphenyl)-1H-pyrazol-5-ylcarbamate1188916-87-1C20H21N3O3
- Methyl 2-(1H-indol-4-yloxy)-4-(piperazin-1-yl)benzoate1228780-89-9C20H21N3O3
- N-(2-(1H-Indol-3-yl)ethyl)-6-((tetrahydrofuran-3-yl)oxy)nicotinamide2034298-83-2C20H21N3O3
- N-((2-Methyl-1H-indol-5-yl)methyl)-6-((tetrahydrofuran-3-yl)oxy)nicotinamide2034389-79-0C20H21N3O3
- Benzyl N-{4-[(5-cyanopyridin-2-yl)oxy]cyclohexyl}carbamate1903305-27-0C20H21N3O3
- N-Benzyl-Nalpha-(methoxycarbonyl)-L-tryptophanamide1217831-60-1C20H21N3O3
- 4-((4-(2-Oxo-2,3-dihydro-1H-benzo[d]imidazol-1-yl)piperidin-1-yl)methyl)benzoic acid1940471-03-3C20H21N3O3
- 4-[2-[1-Hydroxy-1-(4-methoxyphenyl)ethyl]pyrrolidine-1-carbonyl]pyridine-2-carbonitrile2109120-08-1C20H21N3O3
- 1-(2-{4-[Ethyl(2-hydroxyethyl)amino]phenyl}hydrazinyl)naphthalene-2,3-dione62553-96-2C20H21N3O3
- 3-(1-Ethenylcyclobutyl)-2,3-dihydro-5-(phenylmethoxy)-1H-pyrido[2,1-F][1,2,4]triazine-4,6-dione2415792-23-1C20H21N3O3
- Methyl 3-[[1-[(1-methylpyrazol-4-yl)methyl]aziridin-2-yl]methoxy]naphthalene-2-carboxylate2418667-13-5C20H21N3O3
- Methyl 1-[[1-[(1-methylpyrazol-4-yl)methyl]aziridin-2-yl]methoxy]naphthalene-2-carboxylate2418641-95-7C20H21N3O3
- Methyl 4-[[1-[(1-methylpyrazol-4-yl)methyl]aziridin-2-yl]methoxy]naphthalene-2-carboxylate2418728-66-0C20H21N3O3
- 4-{[1-(1,2,3,4-Tetrahydronaphthalene-1-carbonyl)azetidin-3-yl]oxy}pyridine-2-carboxamide2640888-66-8C20H21N3O3
- 4-Ethoxy-N-ethyl-N-[(3-phenyl-1,2,4-oxadiazol-5-yl)methyl]benzamide915930-88-0C20H21N3O3
- tert-Butyl 5-(2-aminophenylcarbonylamino)-1H-indole-1-carboxylate1043962-24-8C20H21N3O3
- 3-{[2-(2,5-Dimethoxyphenyl)ethyl]amino}-1-phenyl-1,2-dihydropyrazin-2-one895121-08-1C20H21N3O3
- Phenylmethyl N-[3-ethyl-5-(3-methoxyphenyl)-1H-pyrazol-4-yl]carbamate1239160-90-7C20H21N3O3
- Methyl 2-(1H-indol-5-yloxy)-4-piperazin-1-ylbenzoate1228784-14-2C20H21N3O3
- 4-(4-Methylphenyl)-6-(3,4,5-trimethoxyphenyl)pyrimidin-2-amine1354918-09-4C20H21N3O3
- 4-(2-Methylphenyl)-6-(3,4,5-trimethoxyphenyl)pyrimidin-2-amine1354916-26-9C20H21N3O3
- 4-(3-Methylphenyl)-6-(3,4,5-trimethoxyphenyl)pyrimidin-2-amine1354934-20-5C20H21N3O3
- N-(4-Aminobutyl)-4-(2-imino-3-oxo-3-phenylpropanoyl)benzamide194040-90-9C20H21N3O3
- 2-[(3-Benzamidophenyl)(2-cyanoethyl)amino]ethyl acetate28321-53-1C20H21N3O3
- N-(2-Oxo-2-(5-oxo-1,4-diazepan-1-yl)ethyl)-[1,1'-biphenyl]-4-carboxamide1787892-81-2C20H21N3O3
- N-[(2-Methoxyphenyl)methyl]-N'-{2-[(quinolin-8-yl)oxy]ethyl}urea1984760-57-7C20H21N3O3
- Methyl 3-[[1-(5-cyano-2-pyridinyl)-4-piperidinyl]methoxy]benzoate1516951-78-2C20H21N3O3
- 3-((4-(2-Oxo-2,3-dihydro-1H-benzo[d]imidazol-1-yl)piperidin-1-yl)methyl)benzoic acid1941117-03-8C20H21N3O3
- 2-Amino-5-[4-(benzyloxy)-2-methoxybenzyl]-6-methylpyrimidin-4-ol1376514-55-4C20H21N3O3
- 2-{[1-(2-Methoxybenzoyl)piperidin-3-yl]methoxy}pyridine-4-carbonitrile2379978-49-9C20H21N3O3
- 1-(1-(2-(4-Hydroxyphenyl)acetyl)piperidin-4-yl)-1H-benzo[d]imidazol-2(3H)-one2513418-16-9C20H21N3O3
- Methyl N-((2'-cyano-[1,1'-biphenyl]-4-yl)methyl)-N-nitroso-L-valinate3112735-84-6C20H21N3O3
- Ethyl 1-benzyl-5-(2,3-dimethylphenoxy)-1H-1,2,3-triazole-4-carboxylate75020-28-9C20H21N3O3
- Ethyl 1-benzyl-5-(3,4-dimethylphenoxy)-1H-1,2,3-triazole-4-carboxylate75020-32-5C20H21N3O3
- 2-[2-(4-Phenylpiperazin-1-yl)ethoxy]-1H-isoindole-1,3(2H)-dione138175-03-8C20H21N3O3
- D-Tryptophanyl-D-phenylalanine58607-71-9C20H21N3O3
- N-(2-{(2E)-2-[3-(allyloxy)benzylidene]hydrazino}-2-oxoethyl)-4-methylbenzamide767338-93-2C20H21N3O3
- Zolpidem-d6 6-carboxylic acid methyl ester1215767-20-6C20H21N3O3
- (Z)-2-Cyano-N-(3-methoxypropyl)-3-[2-(pyridin-3-ylmethoxy)phenyl]prop-2-enamide1390863-93-0C20H21N3O3
- tert-Butyl N-[4-(1H-indole-2-carbonylamino)phenyl]carbamate1098068-25-7C20H21N3O3
- N-(4-Carbamoylphenyl)-1-[(4-methylphenyl)methyl]-5-oxopyrrolidine-3-carboxamide1390583-90-0C20H21N3O3
- N-(3-Carbamoylphenyl)-1-[(4-methylphenyl)methyl]-5-oxopyrrolidine-3-carboxamide1625833-12-6C20H21N3O3
- 1-(1-Benzylpiperidin-4-yl)-2-oxo-2,3-dihydro-1H-benzo[d]imidazole-4-carboxylic acid1985942-46-8C20H21N3O3
- 3-(1-Benzylpiperidin-4-yl)-2-oxo-2,3-dihydro-1H-benzo[d]imidazole-4-carboxylic acid1985392-75-3C20H21N3O3
- (S)-2-Methoxy-5-(((1-(4-phenyl-1H-imidazol-2-yl)ethyl)amino)methyl)benzoic acid2215850-68-1C20H21N3O3
- 1-Cyclopentyl-4-[(5-methyl-2-phenyl-1,3-oxazol-4-yl)methyl]-1,2,3,4-tetrahydropyrazine-2,3-dione2741894-27-7C20H21N3O3
- 2-(6,7-Dimethoxy-1,2,3,4-tetrahydroisoquinolin-2-yl)-3-methyl-3,4-dihydroquinazolin-4-one2327462-07-5C20H21N3O3
- 1-(Furan-2-carbonyl)-4-{[3-(4-methylphenyl)-1,2,4-oxadiazol-5-yl]methyl}piperidine2415540-83-7C20H21N3O3
- 2-Benzyl-5-[(1-methyl-2-oxo-1,2-dihydropyridin-4-yl)methyl]-octahydropyrrolo[3,4-c]pyrrole-1,3-dione2415471-31-5C20H21N3O3
- 2-Benzyl-5-[(5-cyclopropyl-1,2-oxazol-3-yl)methyl]-octahydropyrrolo[3,4-c]pyrrole-1,3-dione2415569-63-8C20H21N3O3
- 7-{5-[(Propan-2-yloxy)methyl]furan-2-carbonyl}-6H,7H,8H,9H-pyrido[2,3-b]1,6-naphthyridine2741943-53-1C20H21N3O3
- Benzyl N-(1,5-dimethyl-1H-pyrazol-4-yl)-N-[(2-hydroxyphenyl)methyl]carbamate2680797-65-1C20H21N3O3
- Benzyl N-[(1r,4r)-4-[(3-cyanopyridin-2-yl)oxy]cyclohexyl]carbamate2680694-38-4C20H21N3O3
- Benzyl N-[3-cyano-4-(4-hydroxypiperidin-1-yl)phenyl]carbamate2680718-58-3C20H21N3O3
- Benzyl N-[1-(2-hydroxyethyl)-3-(2-methylphenyl)-1H-pyrazol-5-yl]carbamate2680805-57-4C20H21N3O3
- Benzyl 3-[2-(hydroxymethyl)-1H-1,3-benzodiazol-1-yl]pyrrolidine-1-carboxylate2383712-75-0C20H21N3O3
- Phenyl 3-isopropyl-1-(3-methoxyphenyl)-1H-pyrazol-5-ylcarbamate1160243-76-4C20H21N3O3
- (2R,3R)-2-(1-((2-Methylquinolin-4-yl)methyl)-1H-pyrazol-4-yl)tetrahydro-2H-pyran-3-carboxylic acid2223342-05-8C20H21N3O3
- 4-(5-Ethoxy-3-hydroxy-2,8-dimethyl-1,4-dihydro-1,6-naphthyridin-4-yl)-3-methoxybenzonitrile3046141-71-0C20H21N3O3
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 2-Ethoxy-N-ethyl-N-[(3-phenyl-1,2,4-oxadiazol-5-yl)methyl]benzamide, N-Ethyl-2-(2-methylphenoxy)-N-[(3-phenyl-1,2,4-oxadiazol-5-yl)methyl]acetamide, 3-Butoxy-N-[4-(4-methylphenyl)-1,2,5-oxadiazol-3-yl]benzamide. 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.