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Molecular formula

C18H12ClN5O2

16 compounds have this formula on CompoundList.

Molar mass
365.78g/mol
Monoisotopic mass
365.0680Da
Atoms
38
Elements
5
Rings plus double bonds
15

The formula C18H12ClN5O2 describes a molecule made of 18 carbon atoms, 12 hydrogen atoms, 1 chlorine atom, 5 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 × 1859.11%
    12.011 × 18 = 216.198 g/mol
  • H Hydrogen × 123.31%
    1.008 × 12 = 12.096 g/mol
  • Cl Chlorine × 19.69%
    35.45 × 1 = 35.450 g/mol
  • N Nitrogen × 519.15%
    14.007 × 5 = 70.035 g/mol
  • O Oxygen × 28.75%
    15.999 × 2 = 31.998 g/mol
Look up another formula

Compounds with the formula C18H12ClN5O2

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

Showing 1 to 16 of 16 compounds

2-Chloro-N-(5-hydroxy-2-phenyl[1,2,4]triazolo[1,5-a]pyrimidin-7-yl)benzamide chemical structure, C18H12ClN5O2, CAS 879467-83-1
2-Chloro-N-(5-hydroxy-2-phenyl[1,2,4]triazolo[1,5-a]pyrimidin-7-yl)benzamide
CAS 879467-83-1C18H12ClN5O2
6-(2-Chlorophenyl)-4-imino-3-phenyl-1,3,4,7-tetrahydropyrimido[5,4-d]pyrimidine-2,8-dione chemical structure, C18H12ClN5O2, CAS 866019-01-4
6-(2-Chlorophenyl)-4-imino-3-phenyl-1,3,4,7-tetrahydropyrimido[5,4-d]pyrimidine-2,8-dione
CAS 866019-01-4C18H12ClN5O2
N-[2-(4-Chlorophenyl)-5-hydroxy[1,2,4]triazolo[1,5-a]pyrimidin-7-yl]benzamide chemical structure, C18H12ClN5O2, CAS 879457-88-2
N-[2-(4-Chlorophenyl)-5-hydroxy[1,2,4]triazolo[1,5-a]pyrimidin-7-yl]benzamide
CAS 879457-88-2C18H12ClN5O2
4-Chloro-N-(5-hydroxy-2-phenyl[1,2,4]triazolo[1,5-a]pyrimidin-7-yl)benzamide chemical structure, C18H12ClN5O2, CAS 879448-53-0
4-Chloro-N-(5-hydroxy-2-phenyl[1,2,4]triazolo[1,5-a]pyrimidin-7-yl)benzamide
CAS 879448-53-0C18H12ClN5O2
3-({4-[(5-Chloro-1,3-benzodioxol-4-yl)amino]pyrimidin-2-yl}amino)benzonitrile chemical structure, C18H12ClN5O2, CAS 945393-47-5
3-({4-[(5-Chloro-1,3-benzodioxol-4-yl)amino]pyrimidin-2-yl}amino)benzonitrile
CAS 945393-47-5C18H12ClN5O2
4-({4-[(5-Chloro-1,3-benzodioxol-4-yl)amino]pyrimidin-2-yl}amino)benzonitrile chemical structure, C18H12ClN5O2, CAS 945393-48-6
4-({4-[(5-Chloro-1,3-benzodioxol-4-yl)amino]pyrimidin-2-yl}amino)benzonitrile
CAS 945393-48-6C18H12ClN5O2
1-(2-Chlorobenzyl)-3-(3-pyrazin-2-yl-1,2,4-oxadiazol-5-yl)pyridin-2(1H)-one chemical structure, C18H12ClN5O2, CAS 1396864-95-1
1-(2-Chlorobenzyl)-3-(3-pyrazin-2-yl-1,2,4-oxadiazol-5-yl)pyridin-2(1H)-one
CAS 1396864-95-1C18H12ClN5O2
6-(4-Chlorophenyl)-4-imino-3-phenyl-1,3,4,7-tetrahydropyrimido[5,4-d]pyrimidine-2,8-dione chemical structure, C18H12ClN5O2, CAS 865658-75-9
6-(4-Chlorophenyl)-4-imino-3-phenyl-1,3,4,7-tetrahydropyrimido[5,4-d]pyrimidine-2,8-dione
CAS 865658-75-9C18H12ClN5O2
Pyrazolo(1,5-a)pyrimidine-6-carboxamide, 1,7-dihydro-N-(5-chloro-2-pyridinyl)-7-oxo-1-phenyl- chemical structure, C18H12ClN5O2, CAS 87948-61-6
Pyrazolo(1,5-a)pyrimidine-6-carboxamide, 1,7-dihydro-N-(5-chloro-2-pyridinyl)-7-oxo-1-phenyl-
CAS 87948-61-6C18H12ClN5O2
Pyrazolo(1,5-a)pyrimidine-6-carboxamide, 1,7-dihydro-2-chloro-7-oxo-1-phenyl-N-2-pyridinyl- chemical structure, C18H12ClN5O2, CAS 87948-69-4
Pyrazolo(1,5-a)pyrimidine-6-carboxamide, 1,7-dihydro-2-chloro-7-oxo-1-phenyl-N-2-pyridinyl-
CAS 87948-69-4C18H12ClN5O2
9-(4-Chlorophenyl)-8-oxo-2-phenyl-8,9-dihydro-7H-purine-6-carboxamide chemical structure, C18H12ClN5O2, CAS 852452-88-1
9-(4-Chlorophenyl)-8-oxo-2-phenyl-8,9-dihydro-7H-purine-6-carboxamide
CAS 852452-88-1C18H12ClN5O2
4-Chloro-N-{4-oxo-1-phenyl-1H,4H,5H-pyrazolo[3,4-d]pyrimidin-5-yl}benzamide chemical structure, C18H12ClN5O2, CAS 899752-45-5
4-Chloro-N-{4-oxo-1-phenyl-1H,4H,5H-pyrazolo[3,4-d]pyrimidin-5-yl}benzamide
CAS 899752-45-5C18H12ClN5O2
2-Chloro-N-(4-oxo-1-phenyl-1H-pyrazolo[3,4-d]pyrimidin-5(4H)-yl)benzamide chemical structure, C18H12ClN5O2, CAS 899946-04-4
2-Chloro-N-(4-oxo-1-phenyl-1H-pyrazolo[3,4-d]pyrimidin-5(4H)-yl)benzamide
CAS 899946-04-4C18H12ClN5O2
3-Chloro-N-(4-oxo-1-phenyl-1H-pyrazolo[3,4-d]pyrimidin-5(4H)-yl)benzamide chemical structure, C18H12ClN5O2, CAS 899996-28-2
3-Chloro-N-(4-oxo-1-phenyl-1H-pyrazolo[3,4-d]pyrimidin-5(4H)-yl)benzamide
CAS 899996-28-2C18H12ClN5O2
N-(1-(3-Chlorophenyl)-4-oxo-1H-pyrazolo[3,4-d]pyrimidin-5(4H)-yl)benzamide chemical structure, C18H12ClN5O2, CAS 919842-82-3
N-(1-(3-Chlorophenyl)-4-oxo-1H-pyrazolo[3,4-d]pyrimidin-5(4H)-yl)benzamide
CAS 919842-82-3C18H12ClN5O2
10-(3-Aminophenyl)-2,4-dioxopyrimido[4,5-b]quinoline-8-carbonitrile, hydrochloride chemical structure, C18H12ClN5O2, CAS 2490418-78-3
10-(3-Aminophenyl)-2,4-dioxopyrimido[4,5-b]quinoline-8-carbonitrile, hydrochloride
CAS 2490418-78-3C18H12ClN5O2

Frequently asked questions

What is the molar mass of C18H12ClN5O2?

The molar mass of C18H12ClN5O2 is 365.78 g/mol, calculated from standard atomic weights for 18 carbon atoms, 12 hydrogen atoms, 1 chlorine atom, 5 nitrogen atoms and 2 oxygen atoms. The monoisotopic mass is 365.0680 Da.

How many compounds have the formula C18H12ClN5O2?

CompoundList lists 16 compounds with the molecular formula C18H12ClN5O2, including 2-Chloro-N-(5-hydroxy-2-phenyl[1,2,4]triazolo[1,5-a]pyrimidin-7-yl)benzamide, 6-(2-Chlorophenyl)-4-imino-3-phenyl-1,3,4,7-tetrahydropyrimido[5,4-d]pyrimidine-2,8-dione, N-[2-(4-Chlorophenyl)-5-hydroxy[1,2,4]triazolo[1,5-a]pyrimidin-7-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 C18H12ClN5O2?

C18H12ClN5O2 has a degree of unsaturation of 15. 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.