CompoundList
Molecular formula

C21H20N2O2

204 compounds have this formula on CompoundList.

Molar mass
332.40g/mol
Monoisotopic mass
332.1525Da
Atoms
45
Elements
4
Rings plus double bonds
13

The formula C21H20N2O2 describes a molecule made of 21 carbon atoms, 20 hydrogen atoms, 2 nitrogen atoms and 2 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 × 2175.88%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 206.06%
    1.008 × 20 = 20.160 g/mol
  • N Nitrogen × 28.43%
    14.007 × 2 = 28.014 g/mol
  • O Oxygen × 29.63%
    15.999 × 2 = 31.998 g/mol
Look up another formula

Compounds with the formula C21H20N2O2

Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.

Showing 1 to 100 of 204 compounds

2-((2-Ethylphenyl)methoxy)-N-(pyridin-3-yl)benzamide chemical structure, C21H20N2O2, CAS 1883528-69-5
2-((2-Ethylphenyl)methoxy)-N-(pyridin-3-yl)benzamide
CAS 1883528-69-5C21H20N2O2
1-(2-Furoyl)-2-methyl-N-phenyl-1,2,3,4-tetrahydroquinolin-4-amine chemical structure, C21H20N2O2, CAS 301655-67-4
1-(2-Furoyl)-2-methyl-N-phenyl-1,2,3,4-tetrahydroquinolin-4-amine
CAS 301655-67-4C21H20N2O2
2-Anilino-3-piperidin-1-ylnaphthalene-1,4-dione chemical structure, C21H20N2O2, CAS 95003-38-6
2-Anilino-3-piperidin-1-ylnaphthalene-1,4-dione
CAS 95003-38-6C21H20N2O2
N-(4-Methoxyphenyl)-1,2,3,4-tetrahydro-9-acridinecarboxamide chemical structure, C21H20N2O2, CAS 74376-58-2
N-(4-Methoxyphenyl)-1,2,3,4-tetrahydro-9-acridinecarboxamide
CAS 74376-58-2C21H20N2O2
N-(2-Methyl-1,2,3,4-tetrahydroquinolin-4-yl)-N-phenylfuran-2-carboxamide chemical structure, C21H20N2O2, CAS 300850-53-7
N-(2-Methyl-1,2,3,4-tetrahydroquinolin-4-yl)-N-phenylfuran-2-carboxamide
CAS 300850-53-7C21H20N2O2
N-(Oxolan-2-ylmethyl)-2-phenylquinoline-4-carboxamide chemical structure, C21H20N2O2, CAS 310418-43-0
N-(Oxolan-2-ylmethyl)-2-phenylquinoline-4-carboxamide
CAS 310418-43-0C21H20N2O2
N-Cyclopropyl-2-(4-ethoxyphenyl)quinoline-4-carboxamide chemical structure, C21H20N2O2, CAS 352679-14-2
N-Cyclopropyl-2-(4-ethoxyphenyl)quinoline-4-carboxamide
CAS 352679-14-2C21H20N2O2
(2E)-3-[1-Benzyl-3-(4-ethylphenyl)-1H-pyrazol-4-yl]acrylic acid chemical structure, C21H20N2O2, CAS 956747-08-3
(2E)-3-[1-Benzyl-3-(4-ethylphenyl)-1H-pyrazol-4-yl]acrylic acid
CAS 956747-08-3C21H20N2O2
1-(2-Phenyl-1H-indol-3-yl)-2-piperidino-1,2-ethanedione chemical structure, C21H20N2O2, CAS 102318-27-4
1-(2-Phenyl-1H-indol-3-yl)-2-piperidino-1,2-ethanedione
CAS 102318-27-4C21H20N2O2
N-(4-(Pyridin-4-ylmethyl)phenyl)-2-(o-tolyloxy)acetamide chemical structure, C21H20N2O2, CAS 313483-44-2
N-(4-(Pyridin-4-ylmethyl)phenyl)-2-(o-tolyloxy)acetamide
CAS 313483-44-2C21H20N2O2
[2-(4-Methylphenyl)quinolin-4-yl]-morpholin-4-ylmethanone chemical structure, C21H20N2O2, CAS 317324-39-3
[2-(4-Methylphenyl)quinolin-4-yl]-morpholin-4-ylmethanone
CAS 317324-39-3C21H20N2O2
1-(1,2-Dimethyl-1H-indol-3-yl)-2-(2-methylindolin-1-yl)ethane-1,2-dione chemical structure, C21H20N2O2, CAS 862831-31-0
1-(1,2-Dimethyl-1H-indol-3-yl)-2-(2-methylindolin-1-yl)ethane-1,2-dione
CAS 862831-31-0C21H20N2O2
4-Cyano-1-N-Fmoc-piperidine chemical structure, C21H20N2O2, CAS 391248-16-1
4-Cyano-1-N-Fmoc-piperidine
CAS 391248-16-1C21H20N2O2
2-(3-Benzoylindol-1-yl)-1-pyrrolidin-1-ylethanone chemical structure, C21H20N2O2, CAS 678551-94-5
2-(3-Benzoylindol-1-yl)-1-pyrrolidin-1-ylethanone
CAS 678551-94-5C21H20N2O2
3-[1-Benzyl-3-(3,4-dimethylphenyl)-1H-pyrazol-4-yl]prop-2-enoic acid chemical structure, C21H20N2O2, CAS 956354-02-2
3-[1-Benzyl-3-(3,4-dimethylphenyl)-1H-pyrazol-4-yl]prop-2-enoic acid
CAS 956354-02-2C21H20N2O2
2-[2-(4-Methoxyphenyl)-1-methylvinyl]-6-methyl-5-phenyl-4(3H)-pyrimidinone chemical structure, C21H20N2O2, CAS 328035-27-4
2-[2-(4-Methoxyphenyl)-1-methylvinyl]-6-methyl-5-phenyl-4(3H)-pyrimidinone
CAS 328035-27-4C21H20N2O2
4-[1-Oxo-1-(4-phenyl-3,6-dihydro-2H-pyridin-1-yl)propan-2-yl]oxybenzonitrile chemical structure, C21H20N2O2, CAS 879143-48-3
4-[1-Oxo-1-(4-phenyl-3,6-dihydro-2H-pyridin-1-yl)propan-2-yl]oxybenzonitrile
CAS 879143-48-3C21H20N2O2
N-(2-(Furan-2-yl)-2-(indolin-1-yl)ethyl)benzamide chemical structure, C21H20N2O2, CAS 898432-61-6
N-(2-(Furan-2-yl)-2-(indolin-1-yl)ethyl)benzamide
CAS 898432-61-6C21H20N2O2
N-Benzyl-2-(4-methylphenoxy)-N-pyridin-2-ylacetamide chemical structure, C21H20N2O2, CAS 514201-27-5
N-Benzyl-2-(4-methylphenoxy)-N-pyridin-2-ylacetamide
CAS 514201-27-5C21H20N2O2
N-[2-(4-Morpholinyl)phenyl]-2-naphthamide chemical structure, C21H20N2O2, CAS 529490-16-2
N-[2-(4-Morpholinyl)phenyl]-2-naphthamide
CAS 529490-16-2C21H20N2O2
N-[2-(4-Morpholinyl)phenyl]-1-naphthamide chemical structure, C21H20N2O2, CAS 528875-22-1
N-[2-(4-Morpholinyl)phenyl]-1-naphthamide
CAS 528875-22-1C21H20N2O2
(1E)-1-[(4-Methoxyphenyl)imino]-4,4,6-trimethyl-4H-pyrrolo[3,2,1-ij]quinolin-2(1H)-one chemical structure, C21H20N2O2, CAS 1164538-59-3
(1E)-1-[(4-Methoxyphenyl)imino]-4,4,6-trimethyl-4H-pyrrolo[3,2,1-ij]quinolin-2(1H)-one
CAS 1164538-59-3C21H20N2O2
N,N-Dimethyl-2-[(1-naphthylacetyl)amino]benzamide chemical structure, C21H20N2O2, CAS 815614-20-1
N,N-Dimethyl-2-[(1-naphthylacetyl)amino]benzamide
CAS 815614-20-1C21H20N2O2
N'-(4-Ethoxyphenyl)-N,N-diphenylurea chemical structure, C21H20N2O2, CAS 838884-13-2
N'-(4-Ethoxyphenyl)-N,N-diphenylurea
CAS 838884-13-2C21H20N2O2

Frequently asked questions

What is the molar mass of C21H20N2O2?

The molar mass of C21H20N2O2 is 332.40 g/mol, calculated from standard atomic weights for 21 carbon atoms, 20 hydrogen atoms, 2 nitrogen atoms and 2 oxygen atoms. The monoisotopic mass is 332.1525 Da.

How many compounds have the formula C21H20N2O2?

CompoundList lists 204 compounds with the molecular formula C21H20N2O2, including 2-((2-Ethylphenyl)methoxy)-N-(pyridin-3-yl)benzamide, 1-(2-Furoyl)-2-methyl-N-phenyl-1,2,3,4-tetrahydroquinolin-4-amine, 2-Anilino-3-piperidin-1-ylnaphthalene-1,4-dione. 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 C21H20N2O2?

C21H20N2O2 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.