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Molecular formula

C20H18N2O

138 compounds have this formula on CompoundList.

Molar mass
302.38g/mol
Monoisotopic mass
302.1419Da
Atoms
41
Elements
4
Rings plus double bonds
13

The formula C20H18N2O describes a molecule made of 20 carbon atoms, 18 hydrogen atoms, 2 nitrogen atoms and 1 oxygen atom. 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 × 2079.44%
    12.011 × 20 = 240.220 g/mol
  • H Hydrogen × 186.00%
    1.008 × 18 = 18.144 g/mol
  • N Nitrogen × 29.26%
    14.007 × 2 = 28.014 g/mol
  • O Oxygen × 15.29%
    15.999 × 1 = 15.999 g/mol
Look up another formula

Compounds with the formula C20H18N2O

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

Showing 101 to 138 of 138 compounds

1,3-Dihydro-3-[(1-propyl-1H-indol-3-yl)methylene]-2H-indol-2-one chemical structure, C20H18N2O, CAS 856434-72-5
1,3-Dihydro-3-[(1-propyl-1H-indol-3-yl)methylene]-2H-indol-2-one
CAS 856434-72-5C20H18N2O
2-(2,2-Diphenylhydrazinyl)-1-phenylethan-1-one chemical structure, C20H18N2O, CAS 89948-90-3
2-(2,2-Diphenylhydrazinyl)-1-phenylethan-1-one
CAS 89948-90-3C20H18N2O
(2E)-2-{[4-(Dimethylamino)phenyl]imino}-1-(naphthalen-2-yl)ethan-1-one chemical structure, C20H18N2O, CAS 22220-22-0
(2E)-2-{[4-(Dimethylamino)phenyl]imino}-1-(naphthalen-2-yl)ethan-1-one
CAS 22220-22-0C20H18N2O
Phenyl[1-(1H-pyrrol-2-yl)-3,4-dihydroisoquinolin-2(1H)-yl]methanone chemical structure, C20H18N2O, CAS 827320-78-5
Phenyl[1-(1H-pyrrol-2-yl)-3,4-dihydroisoquinolin-2(1H)-yl]methanone
CAS 827320-78-5C20H18N2O
N-Benzyl-1-methyl-N-(prop-2-yn-1-yl)-1H-indole-2-carboxamide chemical structure, C20H18N2O, CAS 1273578-11-2
N-Benzyl-1-methyl-N-(prop-2-yn-1-yl)-1H-indole-2-carboxamide
CAS 1273578-11-2C20H18N2O
(6-(Indolin-1-yl)pyridin-3-yl)(phenyl)methanol chemical structure, C20H18N2O, CAS 1355219-50-9
(6-(Indolin-1-yl)pyridin-3-yl)(phenyl)methanol
CAS 1355219-50-9C20H18N2O
2-(4-(Benzyloxy)phenyl)-6,7-dihydro-5H-pyrrolo[3,4-b]pyridine chemical structure, C20H18N2O, CAS 2087477-73-2
2-(4-(Benzyloxy)phenyl)-6,7-dihydro-5H-pyrrolo[3,4-b]pyridine
CAS 2087477-73-2C20H18N2O
3-{6-Phenyl-2-azaspiro[3.3]heptane-2-carbonyl}benzonitrile chemical structure, C20H18N2O, CAS 2379972-98-0
3-{6-Phenyl-2-azaspiro[3.3]heptane-2-carbonyl}benzonitrile
CAS 2379972-98-0C20H18N2O
1,1-Diphenyl-2-(2-phenylhydrazinylidene)ethan-1-ol chemical structure, C20H18N2O, CAS 3469-18-9
1,1-Diphenyl-2-(2-phenylhydrazinylidene)ethan-1-ol
CAS 3469-18-9C20H18N2O
10-[3-(1H-Pyrrol-1-yl)propyl]-9,10-dihydroacridin-9-one chemical structure, C20H18N2O, CAS 2490478-73-2
10-[3-(1H-Pyrrol-1-yl)propyl]-9,10-dihydroacridin-9-one
CAS 2490478-73-2C20H18N2O
N-(2-Aminophenyl)-4'-methyl-[1,1'-biphenyl]-2-carboxamide chemical structure, C20H18N2O, CAS 897446-35-4
N-(2-Aminophenyl)-4'-methyl-[1,1'-biphenyl]-2-carboxamide
CAS 897446-35-4C20H18N2O
N-(Diphenylmethylene)-4-(methoxymethyl)-2-pyridinamine chemical structure, C20H18N2O, CAS 2723402-98-8
N-(Diphenylmethylene)-4-(methoxymethyl)-2-pyridinamine
CAS 2723402-98-8C20H18N2O
7-Benzylidene-4-phenyl-3,4,6,7-tetrahydro-1H-cyclopenta[d]pyrimidin-2(5H)-one chemical structure, C20H18N2O, CAS 861632-55-5
7-Benzylidene-4-phenyl-3,4,6,7-tetrahydro-1H-cyclopenta[d]pyrimidin-2(5H)-one
CAS 861632-55-5C20H18N2O
2-{1-[(9H-Carbazol-9-yl)amino]ethyl}phenol chemical structure, C20H18N2O, CAS 74586-21-3
2-{1-[(9H-Carbazol-9-yl)amino]ethyl}phenol
CAS 74586-21-3C20H18N2O
2-(2,3-Dihydro-1H-indol-1-yl)-N-(naphthalen-2-yl)acetamide chemical structure, C20H18N2O, CAS 89474-30-6
2-(2,3-Dihydro-1H-indol-1-yl)-N-(naphthalen-2-yl)acetamide
CAS 89474-30-6C20H18N2O
(1Z,3Z)-N~1~,N~3~-Diphenyl-4,5,6,7-tetrahydro-2-benzofuran-1,3-diimine chemical structure, C20H18N2O, CAS 90184-36-4
(1Z,3Z)-N~1~,N~3~-Diphenyl-4,5,6,7-tetrahydro-2-benzofuran-1,3-diimine
CAS 90184-36-4C20H18N2O
(N,N'E,N,N'E)-N,N'-(Furan-2,5-diylbis(methanylylidene))bis(1-phenylmethanamine) chemical structure, C20H18N2O, CAS 111864-37-0
(N,N'E,N,N'E)-N,N'-(Furan-2,5-diylbis(methanylylidene))bis(1-phenylmethanamine)
CAS 111864-37-0C20H18N2O
N-(2,2-Diphenylethyl)picolinamide chemical structure, C20H18N2O, CAS 1181068-31-4
N-(2,2-Diphenylethyl)picolinamide
CAS 1181068-31-4C20H18N2O
11-Methyl-7-propyldibenzo[b,h][1,6]naphthyridin-4-ol chemical structure, C20H18N2O, CAS 189568-67-0
11-Methyl-7-propyldibenzo[b,h][1,6]naphthyridin-4-ol
CAS 189568-67-0C20H18N2O
N-Benzyl-2-methyl-N-phenylpyridine-4-carboxamide chemical structure, C20H18N2O, CAS 951027-36-4
N-Benzyl-2-methyl-N-phenylpyridine-4-carboxamide
CAS 951027-36-4C20H18N2O
N-[(4-Methoxyphenyl)methyl]-9H-carbazol-3-amine chemical structure, C20H18N2O, CAS 114371-60-7
N-[(4-Methoxyphenyl)methyl]-9H-carbazol-3-amine
CAS 114371-60-7C20H18N2O
1-(10-Phenyl-3,4-dihydrobenzo[b][1,6]naphthyridin-2(1H)-yl)ethan-1-one chemical structure, C20H18N2O, CAS 61712-44-5
1-(10-Phenyl-3,4-dihydrobenzo[b][1,6]naphthyridin-2(1H)-yl)ethan-1-one
CAS 61712-44-5C20H18N2O
3-[2-(But-2-en-1-yl)phenoxy]-6-phenylpyridazine chemical structure, C20H18N2O, CAS 61201-63-6
3-[2-(But-2-en-1-yl)phenoxy]-6-phenylpyridazine
CAS 61201-63-6C20H18N2O
3-[2-(2-Methylprop-2-en-1-yl)phenoxy]-6-phenylpyridazine chemical structure, C20H18N2O, CAS 61075-26-1
3-[2-(2-Methylprop-2-en-1-yl)phenoxy]-6-phenylpyridazine
CAS 61075-26-1C20H18N2O

Frequently asked questions

What is the molar mass of C20H18N2O?

The molar mass of C20H18N2O is 302.38 g/mol, calculated from standard atomic weights for 20 carbon atoms, 18 hydrogen atoms, 2 nitrogen atoms and 1 oxygen atom. The monoisotopic mass is 302.1419 Da.

How many compounds have the formula C20H18N2O?

CompoundList lists 138 compounds with the molecular formula C20H18N2O, including 1,3-Dihydro-3-[(1-propyl-1H-indol-3-yl)methylene]-2H-indol-2-one, 2-(2,2-Diphenylhydrazinyl)-1-phenylethan-1-one, (2E)-2-{[4-(Dimethylamino)phenyl]imino}-1-(naphthalen-2-yl)ethan-1-one. 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 C20H18N2O?

C20H18N2O 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.