CompoundList
Sign in
Molecular formula

C18H12N4O3

25 compounds have this formula on CompoundList.

Molar mass
332.32g/mol
Monoisotopic mass
332.0909Da
Atoms
37
Elements
4
Rings plus double bonds
15

The formula C18H12N4O3 describes a molecule made of 18 carbon atoms, 12 hydrogen atoms, 4 nitrogen atoms and 3 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 × 1865.06%
    12.011 × 18 = 216.198 g/mol
  • H Hydrogen × 123.64%
    1.008 × 12 = 12.096 g/mol
  • N Nitrogen × 416.86%
    14.007 × 4 = 56.028 g/mol
  • O Oxygen × 314.44%
    15.999 × 3 = 47.997 g/mol
Look up another formula

Compounds with the formula C18H12N4O3

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

Showing 1 to 25 of 25 compounds

4-Nitro-N-(2-phenylphenyl)-2,1,3-benzoxadiazol-7-amine chemical structure, C18H12N4O3, CAS 413611-93-5
4-Nitro-N-(2-phenylphenyl)-2,1,3-benzoxadiazol-7-amine
CAS 413611-93-5C18H12N4O3
4-(3-Nitrophenyl)-2-phenyl-1H-pyrazolo[3,4-b]pyridin-3-one chemical structure, C18H12N4O3, CAS 879614-83-2
4-(3-Nitrophenyl)-2-phenyl-1H-pyrazolo[3,4-b]pyridin-3-one
CAS 879614-83-2C18H12N4O3
2-[(6-Oxo-6H-pyrimido[2,1-b]quinazolin-2-yl)amino]benzoic acid chemical structure, C18H12N4O3, CAS 90666-72-1
2-[(6-Oxo-6H-pyrimido[2,1-b]quinazolin-2-yl)amino]benzoic acid
CAS 90666-72-1C18H12N4O3
3-Oxo-6-(2-phenylpyrazolo[1,5-a]pyridin-3-yl)-2,3-dihydro-4-pyridazinecarboxylic acid chemical structure, C18H12N4O3, CAS 195826-99-4
3-Oxo-6-(2-phenylpyrazolo[1,5-a]pyridin-3-yl)-2,3-dihydro-4-pyridazinecarboxylic acid
CAS 195826-99-4C18H12N4O3
(Z)-3-((3-(2-Nitrophenyl)-1H-pyrazol-4-yl)methylene)indolin-2-one chemical structure, C18H12N4O3, CAS 1427789-21-6
(Z)-3-((3-(2-Nitrophenyl)-1H-pyrazol-4-yl)methylene)indolin-2-one
CAS 1427789-21-6C18H12N4O3
(E)-2-Cyano-3-(1H-indol-3-yl)-N-(2-nitrophenyl)acrylamide chemical structure, C18H12N4O3, CAS 327076-66-4
(E)-2-Cyano-3-(1H-indol-3-yl)-N-(2-nitrophenyl)acrylamide
CAS 327076-66-4C18H12N4O3
3-(Benzo[d][1,3]dioxol-5-yl)-5-(3-phenyl-1H-pyrazol-5-yl)-1,2,4-oxadiazole chemical structure, C18H12N4O3, CAS 1187446-98-5
3-(Benzo[d][1,3]dioxol-5-yl)-5-(3-phenyl-1H-pyrazol-5-yl)-1,2,4-oxadiazole
CAS 1187446-98-5C18H12N4O3
(E)-2-Cyano-3-(1H-indol-3-yl)-N-(3-nitrophenyl)acrylamide chemical structure, C18H12N4O3, CAS 327076-67-5
(E)-2-Cyano-3-(1H-indol-3-yl)-N-(3-nitrophenyl)acrylamide
CAS 327076-67-5C18H12N4O3
5-({3-Phenylimidazo[1,5-A]pyridin-1-YL}methylidene)-1,3-diazinane-2,4,6-trione chemical structure, C18H12N4O3, CAS 457650-89-4
5-({3-Phenylimidazo[1,5-A]pyridin-1-YL}methylidene)-1,3-diazinane-2,4,6-trione
CAS 457650-89-4C18H12N4O3
(E)-2-Cyano-3-(1H-indol-3-yl)-N-(4-nitrophenyl)acrylamide chemical structure, C18H12N4O3, CAS 332919-74-1
(E)-2-Cyano-3-(1H-indol-3-yl)-N-(4-nitrophenyl)acrylamide
CAS 332919-74-1C18H12N4O3
1H-Pyrazole-4-carboxylic acid, 5-(4-oxo-3(4H)-quinazolinyl)-1-phenyl- chemical structure, C18H12N4O3, CAS 131073-55-7
1H-Pyrazole-4-carboxylic acid, 5-(4-oxo-3(4H)-quinazolinyl)-1-phenyl-
CAS 131073-55-7C18H12N4O3
N-{2-[3-(Furan-2-yl)-1,2,4-oxadiazol-5-yl]phenyl}pyridine-4-carboxamide chemical structure, C18H12N4O3, CAS 1120282-10-1
N-{2-[3-(Furan-2-yl)-1,2,4-oxadiazol-5-yl]phenyl}pyridine-4-carboxamide
CAS 1120282-10-1C18H12N4O3
N-{2-[3-(4-Pyridinyl)-1,2,4-oxadiazol-5-yl]phenyl}-2-furamide chemical structure, C18H12N4O3, CAS 1119498-21-3
N-{2-[3-(4-Pyridinyl)-1,2,4-oxadiazol-5-yl]phenyl}-2-furamide
CAS 1119498-21-3C18H12N4O3
N-[2-[3-(Furan-2-yl)-1,2,4-oxadiazol-5-yl]phenyl]pyridine-3-carboxamide chemical structure, C18H12N4O3, CAS 1119498-83-7
N-[2-[3-(Furan-2-yl)-1,2,4-oxadiazol-5-yl]phenyl]pyridine-3-carboxamide
CAS 1119498-83-7C18H12N4O3
N-[6-(1H-Imidazol-1-yl)pyridin-3-yl]-2-oxo-2H-chromene-3-carboxamide chemical structure, C18H12N4O3, CAS 1421476-95-0
N-[6-(1H-Imidazol-1-yl)pyridin-3-yl]-2-oxo-2H-chromene-3-carboxamide
CAS 1421476-95-0C18H12N4O3
3-(Benzo[d][1,3]dioxol-5-yl)-5-(3-phenyl-1H-pyrazol-4-yl)-1,2,4-oxadiazole chemical structure, C18H12N4O3, CAS 1170206-68-4
3-(Benzo[d][1,3]dioxol-5-yl)-5-(3-phenyl-1H-pyrazol-4-yl)-1,2,4-oxadiazole
CAS 1170206-68-4C18H12N4O3
N-(2-(3-(Pyridin-2-yl)-1,2,4-oxadiazol-5-yl)phenyl)furan-2-carboxamide chemical structure, C18H12N4O3, CAS 1119398-55-8
N-(2-(3-(Pyridin-2-yl)-1,2,4-oxadiazol-5-yl)phenyl)furan-2-carboxamide
CAS 1119398-55-8C18H12N4O3
4-(6-Amino-5-oxazolo[5,4-b]pyridin-2-yl-3-pyridyl)benzoic acid chemical structure, C18H12N4O3, CAS 1146951-39-4
4-(6-Amino-5-oxazolo[5,4-b]pyridin-2-yl-3-pyridyl)benzoic acid
CAS 1146951-39-4C18H12N4O3
5-Phenyl-N-(4-phenyl-1,2,5-oxadiazol-3-yl)-1,2-oxazole-3-carboxamide chemical structure, C18H12N4O3, CAS 912898-75-0
5-Phenyl-N-(4-phenyl-1,2,5-oxadiazol-3-yl)-1,2-oxazole-3-carboxamide
CAS 912898-75-0C18H12N4O3
4-(4-Nitrophenoxy)-6-phenyl-7H-pyrrolo[2,3-d]pyrimidine chemical structure, C18H12N4O3, CAS 417721-62-1
4-(4-Nitrophenoxy)-6-phenyl-7H-pyrrolo[2,3-d]pyrimidine
CAS 417721-62-1C18H12N4O3
Quinoline, 4,4'-azoxydi-, 1,1'-dioxide chemical structure, C18H12N4O3, CAS 1168-15-6
Quinoline, 4,4'-azoxydi-, 1,1'-dioxide
CAS 1168-15-6C18H12N4O3
1H-1,2,4-Triazole, 3-(5-nitro-2-furanyl)-1,5-diphenyl- chemical structure, C18H12N4O3, CAS 651714-00-0
1H-1,2,4-Triazole, 3-(5-nitro-2-furanyl)-1,5-diphenyl-
CAS 651714-00-0C18H12N4O3
2-Amino-4-(3-nitrophenyl)-6-(6-oxocyclohexa-2,4-dien-1-ylidene)-1,6-dihydropyridine-3-carbonitrile chemical structure, C18H12N4O3, CAS 224818-29-5
2-Amino-4-(3-nitrophenyl)-6-(6-oxocyclohexa-2,4-dien-1-ylidene)-1,6-dihydropyridine-3-carbonitrile
CAS 224818-29-5C18H12N4O3
2-[4-(4-Nitrophenoxy)-2-pyridinyl]-1H-benzimidazole chemical structure, C18H12N4O3, CAS 1280554-37-1
2-[4-(4-Nitrophenoxy)-2-pyridinyl]-1H-benzimidazole
CAS 1280554-37-1C18H12N4O3

Frequently asked questions

What is the molar mass of C18H12N4O3?

The molar mass of C18H12N4O3 is 332.32 g/mol, calculated from standard atomic weights for 18 carbon atoms, 12 hydrogen atoms, 4 nitrogen atoms and 3 oxygen atoms. The monoisotopic mass is 332.0909 Da.

How many compounds have the formula C18H12N4O3?

CompoundList lists 25 compounds with the molecular formula C18H12N4O3, including 4-Nitro-N-(2-phenylphenyl)-2,1,3-benzoxadiazol-7-amine, 4-(3-Nitrophenyl)-2-phenyl-1H-pyrazolo[3,4-b]pyridin-3-one, 2-[(6-Oxo-6H-pyrimido[2,1-b]quinazolin-2-yl)amino]benzoic acid. 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 C18H12N4O3?

C18H12N4O3 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.