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Molecular formula

C20H16ClN3O

38 compounds have this formula on CompoundList.

Molar mass
349.82g/mol
Monoisotopic mass
349.0982Da
Atoms
41
Elements
5
Rings plus double bonds
14

The formula C20H16ClN3O describes a molecule made of 20 carbon atoms, 16 hydrogen atoms, 1 chlorine atom, 3 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 × 2068.67%
    12.011 × 20 = 240.220 g/mol
  • H Hydrogen × 164.61%
    1.008 × 16 = 16.128 g/mol
  • Cl Chlorine × 110.13%
    35.45 × 1 = 35.450 g/mol
  • N Nitrogen × 312.01%
    14.007 × 3 = 42.021 g/mol
  • O Oxygen × 14.57%
    15.999 × 1 = 15.999 g/mol
Look up another formula

Compounds with the formula C20H16ClN3O

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

Showing 1 to 38 of 38 compounds

3-(5-Chloro-1,3-benzoxazol-2-yl)-N-[(4-methylphenyl)methyl]pyridin-2-amine chemical structure, C20H16ClN3O, CAS 339102-09-9
3-(5-Chloro-1,3-benzoxazol-2-yl)-N-[(4-methylphenyl)methyl]pyridin-2-amine
CAS 339102-09-9C20H16ClN3O
4-(5-(3-Chloro-4-methylphenyl)-2-furyl)-2,6-dimethyl-1,4-dihydro-3,5-pyridinedicarbonitrile chemical structure, C20H16ClN3O, CAS 853313-38-9
4-(5-(3-Chloro-4-methylphenyl)-2-furyl)-2,6-dimethyl-1,4-dihydro-3,5-pyridinedicarbonitrile
CAS 853313-38-9C20H16ClN3O
12-(2-Chlorophenyl)-3,4,5,12-tetrahydrobenzimidazo[2,1-b]quinazolin-1(2H)-one chemical structure, C20H16ClN3O, CAS 669718-25-6
12-(2-Chlorophenyl)-3,4,5,12-tetrahydrobenzimidazo[2,1-b]quinazolin-1(2H)-one
CAS 669718-25-6C20H16ClN3O
5-[(3-Chlorophenyl)methyl]-2-(4-methylphenyl)-4H,5H-pyrazolo[1,5-a]pyrazin-4-one chemical structure, C20H16ClN3O, CAS 1021224-34-9
5-[(3-Chlorophenyl)methyl]-2-(4-methylphenyl)-4H,5H-pyrazolo[1,5-a]pyrazin-4-one
CAS 1021224-34-9C20H16ClN3O
N~1~-(6-chloro-2-methoxy-9-acridinyl)-1,4-benzenediamine chemical structure, C20H16ClN3O, CAS 1203487-92-6
N~1~-(6-chloro-2-methoxy-9-acridinyl)-1,4-benzenediamine
CAS 1203487-92-6C20H16ClN3O
12-(4-Chlorophenyl)-3,4,5,12-tetrahydrobenzimidazo[2,1-b]quinazolin-1(2H)-one chemical structure, C20H16ClN3O, CAS 669718-28-9
12-(4-Chlorophenyl)-3,4,5,12-tetrahydrobenzimidazo[2,1-b]quinazolin-1(2H)-one
CAS 669718-28-9C20H16ClN3O
4-Chloro-7-(4-ethoxyphenyl)-5-phenyl-7H-pyrrolo[2,3-d]pyrimidine chemical structure, C20H16ClN3O, CAS 890091-50-6
4-Chloro-7-(4-ethoxyphenyl)-5-phenyl-7H-pyrrolo[2,3-d]pyrimidine
CAS 890091-50-6C20H16ClN3O
4-Chlorobenzyl 2-(2-methylpyrazolo[1,5-A]pyrimidin-7-yl)phenyl ether chemical structure, C20H16ClN3O, CAS 439109-56-5
4-Chlorobenzyl 2-(2-methylpyrazolo[1,5-A]pyrimidin-7-yl)phenyl ether
CAS 439109-56-5C20H16ClN3O
2-Amino-6-(4-chlorophenyl)-4-(4-methoxyphenyl)-5-methylnicotinonitrile chemical structure, C20H16ClN3O, CAS 338794-64-2
2-Amino-6-(4-chlorophenyl)-4-(4-methoxyphenyl)-5-methylnicotinonitrile
CAS 338794-64-2C20H16ClN3O
2-[(7-Chloro-4-quinazolinyl)amino]-1-(2-naphthyl)-1-ethanol chemical structure, C20H16ClN3O, CAS 477870-05-6
2-[(7-Chloro-4-quinazolinyl)amino]-1-(2-naphthyl)-1-ethanol
CAS 477870-05-6C20H16ClN3O
3-(2-Chlorophenyl)-5-[2-(3,4-dimethylanilino)vinyl]-4-isoxazolecarbonitrile chemical structure, C20H16ClN3O, CAS 320424-87-1
3-(2-Chlorophenyl)-5-[2-(3,4-dimethylanilino)vinyl]-4-isoxazolecarbonitrile
CAS 320424-87-1C20H16ClN3O
1-[(3-Chlorobenzyl)oxy]-2-(4-methylphenyl)-1H-imidazo[4,5-b]pyridine chemical structure, C20H16ClN3O, CAS 339026-90-3
1-[(3-Chlorobenzyl)oxy]-2-(4-methylphenyl)-1H-imidazo[4,5-b]pyridine
CAS 339026-90-3C20H16ClN3O
11-(2-Chlorophenyl)-5,11,12,12a-tetrahydropyrazolo[3',4':4,5]pyrido[2,1-a]isoquinolin-8(6H)-one chemical structure, C20H16ClN3O, CAS 339012-03-2
11-(2-Chlorophenyl)-5,11,12,12a-tetrahydropyrazolo[3',4':4,5]pyrido[2,1-a]isoquinolin-8(6H)-one
CAS 339012-03-2C20H16ClN3O
1-[2-(2-Chlorophenoxy)ethyl]-2-pyridin-2-ylbenzimidazole chemical structure, C20H16ClN3O, CAS 378761-48-9
1-[2-(2-Chlorophenoxy)ethyl]-2-pyridin-2-ylbenzimidazole
CAS 378761-48-9C20H16ClN3O
2-(6-Chloro-3-pyridinyl)-1-(4-methoxybenzyl)-1H-1,3-benzimidazole chemical structure, C20H16ClN3O, CAS 337920-53-3
2-(6-Chloro-3-pyridinyl)-1-(4-methoxybenzyl)-1H-1,3-benzimidazole
CAS 337920-53-3C20H16ClN3O
2-(2-Chloropyridin-3-yl)-1-(3-methoxybenzyl)-1H-benzo[d]imidazole chemical structure, C20H16ClN3O, CAS 338411-22-6
2-(2-Chloropyridin-3-yl)-1-(3-methoxybenzyl)-1H-benzo[d]imidazole
CAS 338411-22-6C20H16ClN3O
1-[(2-Chlorobenzyl)oxy]-2-(4-methylphenyl)-1H-imidazo[4,5-b]pyridine chemical structure, C20H16ClN3O, CAS 339027-11-1
1-[(2-Chlorobenzyl)oxy]-2-(4-methylphenyl)-1H-imidazo[4,5-b]pyridine
CAS 339027-11-1C20H16ClN3O
4-(4-Chlorophenyl)-6-isopropoxy-2-phenyl-5-pyrimidinecarbonitrile chemical structure, C20H16ClN3O, CAS 400077-50-1
4-(4-Chlorophenyl)-6-isopropoxy-2-phenyl-5-pyrimidinecarbonitrile
CAS 400077-50-1C20H16ClN3O
5-[(4-Chlorophenyl)methyl]-2-(4-methylphenyl)-4H,5H-pyrazolo[1,5-a]pyrazin-4-one chemical structure, C20H16ClN3O, CAS 1021261-55-1
5-[(4-Chlorophenyl)methyl]-2-(4-methylphenyl)-4H,5H-pyrazolo[1,5-a]pyrazin-4-one
CAS 1021261-55-1C20H16ClN3O
5-(4-(Benzyloxy)benzyl)-4-chloro-7H-pyrrolo[2,3-d]pyrimidine chemical structure, C20H16ClN3O, CAS 1792190-71-6
5-(4-(Benzyloxy)benzyl)-4-chloro-7H-pyrrolo[2,3-d]pyrimidine
CAS 1792190-71-6C20H16ClN3O
2,4-Diphenyl-5-(pyridin-2-yl)-2,4-dihydro-3H-pyrazol-3-one--hydrogen chloride (1/1) chemical structure, C20H16ClN3O, CAS 7410-07-3
2,4-Diphenyl-5-(pyridin-2-yl)-2,4-dihydro-3H-pyrazol-3-one--hydrogen chloride (1/1)
CAS 7410-07-3C20H16ClN3O
2,4-Diphenyl-5-(pyridin-3-yl)-2,4-dihydro-3H-pyrazol-3-one--hydrogen chloride (1/1) chemical structure, C20H16ClN3O, CAS 7410-08-4
2,4-Diphenyl-5-(pyridin-3-yl)-2,4-dihydro-3H-pyrazol-3-one--hydrogen chloride (1/1)
CAS 7410-08-4C20H16ClN3O
2,4-Diphenyl-5-(pyridin-4-yl)-2,4-dihydro-3H-pyrazol-3-one--hydrogen chloride (1/1) chemical structure, C20H16ClN3O, CAS 7410-09-5
2,4-Diphenyl-5-(pyridin-4-yl)-2,4-dihydro-3H-pyrazol-3-one--hydrogen chloride (1/1)
CAS 7410-09-5C20H16ClN3O
11-(4-Chlorophenyl)-5,11,12,12a-tetrahydropyrazolo[3',4':4,5]pyrido[2,1-a]isoquinolin-8(6H)-one chemical structure, C20H16ClN3O, CAS 339012-00-9
11-(4-Chlorophenyl)-5,11,12,12a-tetrahydropyrazolo[3',4':4,5]pyrido[2,1-a]isoquinolin-8(6H)-one
CAS 339012-00-9C20H16ClN3O

Frequently asked questions

What is the molar mass of C20H16ClN3O?

The molar mass of C20H16ClN3O is 349.82 g/mol, calculated from standard atomic weights for 20 carbon atoms, 16 hydrogen atoms, 1 chlorine atom, 3 nitrogen atoms and 1 oxygen atom. The monoisotopic mass is 349.0982 Da.

How many compounds have the formula C20H16ClN3O?

CompoundList lists 38 compounds with the molecular formula C20H16ClN3O, including 3-(5-Chloro-1,3-benzoxazol-2-yl)-N-[(4-methylphenyl)methyl]pyridin-2-amine, 4-(5-(3-Chloro-4-methylphenyl)-2-furyl)-2,6-dimethyl-1,4-dihydro-3,5-pyridinedicarbonitrile, 12-(2-Chlorophenyl)-3,4,5,12-tetrahydrobenzimidazo[2,1-b]quinazolin-1(2H)-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 C20H16ClN3O?

C20H16ClN3O has a degree of unsaturation of 14. 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.