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Molecular formula

C18H15N3O

146 compounds have this formula on CompoundList.

Molar mass
289.34g/mol
Monoisotopic mass
289.1215Da
Atoms
37
Elements
4
Rings plus double bonds
13

The formula C18H15N3O describes a molecule made of 18 carbon atoms, 15 hydrogen atoms, 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 × 1874.72%
    12.011 × 18 = 216.198 g/mol
  • H Hydrogen × 155.23%
    1.008 × 15 = 15.120 g/mol
  • N Nitrogen × 314.52%
    14.007 × 3 = 42.021 g/mol
  • O Oxygen × 15.53%
    15.999 × 1 = 15.999 g/mol
Look up another formula

Compounds with the formula C18H15N3O

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

Showing 101 to 146 of 146 compounds

N-(1H-Indol-5-yl)-1-methyl-1H-indole-4-carboxamide chemical structure, C18H15N3O, CAS 1190288-93-7
N-(1H-Indol-5-yl)-1-methyl-1H-indole-4-carboxamide
CAS 1190288-93-7C18H15N3O
2-(7-Ethylimidazo[1,2-a]pyridin-3-yl)quinolin-8-ol chemical structure, C18H15N3O, CAS 1070897-02-7
2-(7-Ethylimidazo[1,2-a]pyridin-3-yl)quinolin-8-ol
CAS 1070897-02-7C18H15N3O
(2E)-3-(1-Benzyl-1H-1,2,3-triazol-4-yl)-1-phenylprop-2-en-1-one chemical structure, C18H15N3O, CAS 2549133-37-9
(2E)-3-(1-Benzyl-1H-1,2,3-triazol-4-yl)-1-phenylprop-2-en-1-one
CAS 2549133-37-9C18H15N3O
Benzenamine, N-[(5-methyl-2-furanyl)methylene]-4-(2-phenyldiazenyl)- chemical structure, C18H15N3O, CAS 412957-08-5
Benzenamine, N-[(5-methyl-2-furanyl)methylene]-4-(2-phenyldiazenyl)-
CAS 412957-08-5C18H15N3O
3,13,15-Triazapentacyclo[11.8.0.02,10.04,9.016,21]henicosa-2(10),4,6,8,16,18,20-heptaen-14-one chemical structure, C18H15N3O, CAS 479545-81-8
3,13,15-Triazapentacyclo[11.8.0.02,10.04,9.016,21]henicosa-2(10),4,6,8,16,18,20-heptaen-14-one
CAS 479545-81-8C18H15N3O
N-(2-Aminophenyl)-4-pyridin-2-ylbenzamide chemical structure, C18H15N3O, CAS 617701-95-8
N-(2-Aminophenyl)-4-pyridin-2-ylbenzamide
CAS 617701-95-8C18H15N3O
5-(Hydroxymethyl)-1-(3-(1-pyrrolyl)phenyl)benzimidazole chemical structure, C18H15N3O, CAS 773858-75-6
5-(Hydroxymethyl)-1-(3-(1-pyrrolyl)phenyl)benzimidazole
CAS 773858-75-6C18H15N3O
N-Phenyl-2-(phenylimino)-1(2H)-pyridinecarboxamide chemical structure, C18H15N3O, CAS 81416-27-5
N-Phenyl-2-(phenylimino)-1(2H)-pyridinecarboxamide
CAS 81416-27-5C18H15N3O
1-Methyl-4-[(naphthalen-1-yl)methoxy]-1H-imidazo[4,5-c]pyridine chemical structure, C18H15N3O, CAS 87034-85-3
1-Methyl-4-[(naphthalen-1-yl)methoxy]-1H-imidazo[4,5-c]pyridine
CAS 87034-85-3C18H15N3O
2-Benzoyl-1,2-dihydro-1,4-dimethyl-1-phthalazinecarbonitrile chemical structure, C18H15N3O, CAS 75218-33-6
2-Benzoyl-1,2-dihydro-1,4-dimethyl-1-phthalazinecarbonitrile
CAS 75218-33-6C18H15N3O
N-{4-[(E)-Phenyldiazenyl]naphthalen-1-yl}acetamide chemical structure, C18H15N3O, CAS 10336-20-6
N-{4-[(E)-Phenyldiazenyl]naphthalen-1-yl}acetamide
CAS 10336-20-6C18H15N3O
5-Methoxy-7-phenyl-3-(1H-pyrrol-3-yl)imidazo[1,2-a]pyridine chemical structure, C18H15N3O, CAS 1207839-78-8
5-Methoxy-7-phenyl-3-(1H-pyrrol-3-yl)imidazo[1,2-a]pyridine
CAS 1207839-78-8C18H15N3O
1-[(1H-Indazol-5-ylamino)methyl]-2-naphthalenol chemical structure, C18H15N3O, CAS 478826-63-0
1-[(1H-Indazol-5-ylamino)methyl]-2-naphthalenol
CAS 478826-63-0C18H15N3O
2-Methyl-3-(2-methyl-1H-indol-3-yl)quinazolin-4(3H)-one chemical structure, C18H15N3O, CAS 655250-49-0
2-Methyl-3-(2-methyl-1H-indol-3-yl)quinazolin-4(3H)-one
CAS 655250-49-0C18H15N3O
3-Methyl-4-[(naphthalen-2-yl)methoxy]-3H-imidazo[4,5-c]pyridine chemical structure, C18H15N3O, CAS 87034-92-2
3-Methyl-4-[(naphthalen-2-yl)methoxy]-3H-imidazo[4,5-c]pyridine
CAS 87034-92-2C18H15N3O
1-Benzyl-4-[(4-methoxyphenyl)ethynyl]-1H-1,2,3-triazole chemical structure, C18H15N3O, CAS 920282-82-2
1-Benzyl-4-[(4-methoxyphenyl)ethynyl]-1H-1,2,3-triazole
CAS 920282-82-2C18H15N3O
N-(1H-Indol-3-ylmethyl)-1H-indole-3-carboxamide chemical structure, C18H15N3O, CAS 1420800-45-8
N-(1H-Indol-3-ylmethyl)-1H-indole-3-carboxamide
CAS 1420800-45-8C18H15N3O
6-Cyclopropyl-N-(naphthalen-1-yl)pyrimidine-4-carboxamide chemical structure, C18H15N3O, CAS 2415469-30-4
6-Cyclopropyl-N-(naphthalen-1-yl)pyrimidine-4-carboxamide
CAS 2415469-30-4C18H15N3O
1-Benzyl-5-(4-methoxyphenyl)-1H-pyrazole-4-carbonitrile chemical structure, C18H15N3O, CAS 27328-73-0
1-Benzyl-5-(4-methoxyphenyl)-1H-pyrazole-4-carbonitrile
CAS 27328-73-0C18H15N3O
3-(2,5-Dihydro-1H-pyrrol-1-yl)-2-phenyl-4(3H)-quinazolinone chemical structure, C18H15N3O, CAS 33852-06-1
3-(2,5-Dihydro-1H-pyrrol-1-yl)-2-phenyl-4(3H)-quinazolinone
CAS 33852-06-1C18H15N3O
1-[(5-Methyl-4-phenyl-2-furanyl)methyl]-1H-benzotriazole chemical structure, C18H15N3O, CAS 161198-72-7
1-[(5-Methyl-4-phenyl-2-furanyl)methyl]-1H-benzotriazole
CAS 161198-72-7C18H15N3O
N-(6-Carbamimidoylnaphthalen-2-yl)benzamide chemical structure, C18H15N3O, CAS 69228-17-7
N-(6-Carbamimidoylnaphthalen-2-yl)benzamide
CAS 69228-17-7C18H15N3O
3-[2-(3-Phenyl-1,2,4-oxadiazol-5-yl)ethyl]-1H-indole chemical structure, C18H15N3O, CAS 82076-05-9
3-[2-(3-Phenyl-1,2,4-oxadiazol-5-yl)ethyl]-1H-indole
CAS 82076-05-9C18H15N3O
2-Amino-4-(4-methoxyphenyl)-1-phenyl-1H-pyrrole-3-carbonitrile chemical structure, C18H15N3O, CAS 115998-14-6
2-Amino-4-(4-methoxyphenyl)-1-phenyl-1H-pyrrole-3-carbonitrile
CAS 115998-14-6C18H15N3O

Frequently asked questions

What is the molar mass of C18H15N3O?

The molar mass of C18H15N3O is 289.34 g/mol, calculated from standard atomic weights for 18 carbon atoms, 15 hydrogen atoms, 3 nitrogen atoms and 1 oxygen atom. The monoisotopic mass is 289.1215 Da.

How many compounds have the formula C18H15N3O?

CompoundList lists 146 compounds with the molecular formula C18H15N3O, including N-(1H-Indol-5-yl)-1-methyl-1H-indole-4-carboxamide, 2-(7-Ethylimidazo[1,2-a]pyridin-3-yl)quinolin-8-ol, (2E)-3-(1-Benzyl-1H-1,2,3-triazol-4-yl)-1-phenylprop-2-en-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 C18H15N3O?

C18H15N3O 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.