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
Compounds with the formula C21H20N2O3
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 201 to 251 of 251 compounds
![N-[3-(Benzyloxy)-2-pyridinyl]-2-ethoxybenzamide chemical structure, C21H20N2O3, CAS 1255146-76-9](/s/QUKUMGZXHYOSKK-UHFFFAOYSA-N.svg)
![1-[1-(2,2-Diphenylacetyl)azetidin-3-yl]pyrrolidine-2,5-dione chemical structure, C21H20N2O3, CAS 1903447-18-6](/s/WERLJKDGTHEZBI-UHFFFAOYSA-N.svg)
![1-[(1-{[1,1'-Biphenyl]-4-carbonyl}azetidin-3-yl)methyl]pyrrolidine-2,5-dione chemical structure, C21H20N2O3, CAS 2097883-11-7](/s/LQROGMZAFRGELE-UHFFFAOYSA-N.svg)
![Benzyl 5'-methoxy-2',6-dimethyl-[4,4'-bipyridine]-3-carboxylate chemical structure, C21H20N2O3, CAS 2782812-49-9](/s/AJLBBLFBXQPNOJ-UHFFFAOYSA-N.svg)
![3-[3-(Benzyloxy)-4-methoxyphenyl]-2-cyano-N-(prop-2-en-1-yl)prop-2-enamide chemical structure, C21H20N2O3, CAS 482610-87-7](/s/CTMUTJQVBXJCAW-LDADJPATSA-N.svg)
![(E)-N-(4-Butylphenyl)-1-[5-(4-nitrophenyl)furan-2-yl]methanimine chemical structure, C21H20N2O3, CAS 63485-06-3](/s/QEMZVTQPJMDRTR-UHFFFAOYSA-N.svg)
![4,5-Dimethoxy-2-[(3-oxo-5-phenyl-1-cyclohexen-1-yl)amino]benzonitrile chemical structure, C21H20N2O3, CAS 1179998-34-5](/s/BUOIJHVVJPLBSM-UHFFFAOYSA-N.svg)
![4-[1-(Cyclohexylcarbonyl)-1H-indazol-3-yl]benzoic acid chemical structure, C21H20N2O3, CAS 1392808-99-9](/s/ZMLMBQCHASQVQR-UHFFFAOYSA-N.svg)
![Methyl 3-[[(2-amino-5-phenoxyphenyl)amino]methyl]benzoate chemical structure, C21H20N2O3, CAS 1174410-30-0](/s/UBPVOISNJGTDLJ-UHFFFAOYSA-N.svg)
![3-(2-Oxo-2-{6-phenyl-2-azaspiro[3.3]heptan-2-yl}ethyl)-2,3-dihydro-1,3-benzoxazol-2-one chemical structure, C21H20N2O3, CAS 2379988-99-3](/s/JXMXRNROGYRGFR-UHFFFAOYSA-N.svg)
- Ethyl N-benzyl-N-(quinoline-3-carbonyl)glycinate162881-39-2C21H20N2O3
- 4-[2-[Methyl(4-phenoxy-2-pyridinyl)amino]ethoxy]benzaldehyde607723-84-2C21H20N2O3
- Methyl 2-[4-(4-aminophenoxy)phenyl]-2-(4-aminophenyl)acetate1211512-23-0C21H20N2O3
- 1,3,4,5,6,8-Hexamethyl-9H-xanthene-2,7-diyl dicyanate648918-82-5C21H20N2O3
- (9H-Fluoren-9-yl)methyl 7-oxo-2,5-diazaspiro[3.4]octane-5-carboxylate2287310-36-3C21H20N2O3
- (9H-Fluoren-9-yl)methyl 7-oxo-2,5-diazaspiro[3.4]octane-2-carboxylate2287332-58-3C21H20N2O3
- (9H-Fluoren-9-yl)methyl 6-cyano-1,4-oxazepane-4-carboxylate2803835-07-4C21H20N2O3
- Benzyl N-[(2-hydroxyphenyl)methyl]-N-(4-methylpyridin-2-yl)carbamate2680677-42-1C21H20N2O3
- Benzyl N-{5-[hydroxy(pyridin-2-yl)methyl]-2-methylphenyl}carbamate2680745-45-1C21H20N2O3
- Benzyl N-[(2-hydroxyphenyl)methyl]-N-[(pyridin-2-yl)methyl]carbamate2680666-09-3C21H20N2O3
- Benzyl N-[(3-hydroxyphenyl)methyl]-N-[(pyridin-4-yl)methyl]carbamate2680890-13-3C21H20N2O3
- rac-(9H-Fluoren-9-yl)methyl (3R,4S)-3-(cyanomethyl)-4-hydroxypyrrolidine-1-carboxylate2763908-39-8C21H20N2O3
- (9H-Fluoren-9-yl)methyl 4-cyano-4-hydroxypiperidine-1-carboxylate2003698-20-0C21H20N2O3
- (9H-Fluoren-9-yl)methyl 3-(cyanomethyl)-3-hydroxypyrrolidine-1-carboxylate2764005-33-4C21H20N2O3
- (9H-Fluoren-9-yl)methyl N-{2-[(prop-2-yn-1-yl)carbamoyl]ethyl}carbamate2770555-33-2C21H20N2O3
- (9H-Fluoren-9-yl)methyl N-[1-(prop-2-enoyl)azetidin-3-yl]carbamate2770556-50-6C21H20N2O3
- (9H-Fluoren-9-yl)methyl 6-oxo-2,5-diazaspiro[3.4]octane-2-carboxylate2920156-21-2C21H20N2O3
- (9H-Fluoren-9-yl)methyl 7-oxo-2,6-diazaspiro[3.4]octane-2-carboxylate2920150-91-8C21H20N2O3
- Benzyl 4-(2-ethynylbenzoyl)piperazine-1-carboxylate3078391-18-8C21H20N2O3
- 2-Benzyl-3-(morpholine-4-carbonyl)-1,2-dihydroisoquinolin-1-one3054568-25-8C21H20N2O3
- rac-N-Desethyl-N-phthalimido MilnacipranC21H20N2O3
- N-[6-(2,3-Dimethylphenoxy)-3-pyridinyl]-2-methoxybenzamide224804-98-2C21H20N2O3
- Methyl 2-[3-(6-aminonaphthalen-2-yl)propanoylamino]benzoate1093631-11-8C21H20N2O3
- 2-(4,5-Diphenyl-1,3-oxazol-2-yl)-1-morpholin-4-ylethanone34015-65-1C21H20N2O3
- 3-((4-(3-Methoxybenzyl)pyridin-2-yl)amino)-2-methylbenzoic acid2767349-52-8C21H20N2O3
- rac-(9H-Fluoren-9-yl)methyl N-[(1R,2R,4S)-4-cyano-2-hydroxycyclopentyl]carbamate2763993-04-8C21H20N2O3
- Benzyl N-[(2S)-1-(naphthalen-2-ylamino)-1-oxopropan-2-yl]carbamateC21H20N2O3
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 N-[3-(Benzyloxy)-2-pyridinyl]-2-ethoxybenzamide, (S)-2-(1H-Indole-3-carbonyl)-pyrrolidine-1-carboxylic acid benzyl ester, N-(1-(2,3-Dihydrobenzofuran-5-yl)propan-2-yl)-5-phenylisoxazole-3-carboxamide. 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.