Molecular formula

C₁₈H₁₂ClN₃O

24 compounds have this formula on CompoundList.

Molar mass: 321.76g/mol
Monoisotopic mass: 321.0669Da
Atoms: 35
Elements: 5
Rings plus double bonds: 14

The formula C18H12ClN3O describes a molecule made of 18 carbon atoms, 12 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 × 1867.19%
12.011 × 18 = 216.198 g/mol
H Hydrogen × 123.76%
1.008 × 12 = 12.096 g/mol
Cl Chlorine × 111.02%
35.45 × 1 = 35.450 g/mol
N Nitrogen × 313.06%
14.007 × 3 = 42.021 g/mol
O Oxygen × 14.97%
15.999 × 1 = 15.999 g/mol

Look up another formula

Compounds with the formula C18H12ClN3O

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

Showing 1 to 24 of 24 compounds

4-Chloro-6-(4-methoxyphenyl)-2-phenyl-5-pyrimidinecarbonitrile

CAS 320418-90-4C₁₈H₁₂ClN₃O

7-(3-Chlorophenyl)-5-phenyl-7H-pyrrolo[2,3-d]pyrimidin-4-ol

CAS 890091-46-0C₁₈H₁₂ClN₃O

(2E)-N-(3-Chlorophenyl)-2-cyano-3-(1H-indol-3-yl)prop-2-enamide

CAS 357617-74-4C₁₈H₁₂ClN₃O

12-Chloro-8,13-dihydroindolo[2',3':3,4]pyrido[2,1-b]quinazolin-5(7H)-one

CAS 912341-59-4C₁₈H₁₂ClN₃O

(E)-N-(2-Chlorophenyl)-2-cyano-3-(1H-indol-3-yl)acrylamide

CAS 327076-65-3C₁₈H₁₂ClN₃O

2-Chloro-8-methyl-3-(5-phenyl-1,2,4-oxadiazol-3-yl)quinoline

CAS 1142201-67-9C₁₈H₁₂ClN₃O

2-Chloro-7-methyl-3-(5-phenyl-1,2,4-oxadiazol-3-yl)quinoline

CAS 1142201-73-7C₁₈H₁₂ClN₃O

7-Chloro-5-(4-methylphenyl)-2-phenyl[1,3]oxazolo[4,5-d]pyrimidine

CAS 1241709-22-7C₁₈H₁₂ClN₃O

5-(2-Anilinovinyl)-3-(2-chlorophenyl)-4-isoxazolecarbonitrile

CAS 320424-89-3C₁₈H₁₂ClN₃O

7-Chloro-5-phenyl-2-(p-tolyl)oxazolo[4,5-d]pyrimidine

CAS 1225162-95-7C₁₈H₁₂ClN₃O

4-Chloro-6-(3-methoxyphenyl)-2-phenyl-5-pyrimidinecarbonitrile

CAS 338982-09-5C₁₈H₁₂ClN₃O

5-[2-(4-Chloroanilino)vinyl]-3-phenyl-4-isoxazolecarbonitrile

CAS 303995-71-3C₁₈H₁₂ClN₃O

4-Chloro-6-(2-methoxyphenyl)-2-phenyl-5-pyrimidinecarbonitrile

CAS 477853-97-7C₁₈H₁₂ClN₃O

2-Chloro-1-(2-oxo-2-(2-pyridyl)ethyl)naphtho[2,3-d]imidazole

CAS 96718-61-5C₁₈H₁₂ClN₃O

7-Chloro-3-(2-methylquinolin-6-yl)quinazolin-4(3H)-one

CAS 832102-30-4C₁₈H₁₂ClN₃O

2-(2-Chlorophenyl)-5-phenylpyrazolo[1,5-a]pyrimidin-7-ol

CAS 603098-19-7C₁₈H₁₂ClN₃O

Phenol, 4-[[5-[(4-chlorophenyl)ethynyl]-4-pyrimidinyl]amino]-

CAS 393856-51-4C₁₈H₁₂ClN₃O

2-Chloro-4-[3-(4-methylphenyl)-1,2,4-oxadiazol-5-yl]quinoline

CAS 1223886-30-3C₁₈H₁₂ClN₃O

7-Chloro-N-(cyanomethyl)-N-phenylquinoline-2-carboxamide

CAS 1423734-99-9C₁₈H₁₂ClN₃O

Ethanone, [(4-chlorophenyl)imino]di-2-pyridinyl-

CAS 50702-42-6C₁₈H₁₂ClN₃O

2-[(2-Chloro-6-oxo-4-phenylpyrimidin-1-yl)methyl]benzonitrile

CAS 844843-69-2C₁₈H₁₂ClN₃O

5-Acetyl-3-(4-chlorophenyl)-1-phenyl-1H-pyrazole-4-carbonitrile

CAS 649746-08-7C₁₈H₁₂ClN₃O

3-(2-Chlorophenyl)-7-(4-methylpyrimidin-5-yl)-1,2-benzoxazole

CAS 1428880-43-6C₁₈H₁₂ClN₃O

3-(2-Chloro-6-methylquinolin-3-yl)-5-phenyl-1,2,4-oxadiazole

CAS 1431728-48-1C₁₈H₁₂ClN₃O

Frequently asked questions

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What is the molar mass of C18H12ClN3O?

The molar mass of C18H12ClN3O is 321.76 g/mol, calculated from standard atomic weights for 18 carbon atoms, 12 hydrogen atoms, 1 chlorine atom, 3 nitrogen atoms and 1 oxygen atom. The monoisotopic mass is 321.0669 Da.

How many compounds have the formula C18H12ClN3O?

CompoundList lists 24 compounds with the molecular formula C18H12ClN3O, including 4-Chloro-6-(4-methoxyphenyl)-2-phenyl-5-pyrimidinecarbonitrile, 7-(3-Chlorophenyl)-5-phenyl-7H-pyrrolo[2,3-d]pyrimidin-4-ol, (2E)-N-(3-Chlorophenyl)-2-cyano-3-(1H-indol-3-yl)prop-2-enamide. 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 C18H12ClN3O?

C18H12ClN3O 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.