Molecular formula
C18H13N3O
70 compounds have this formula on CompoundList.
- Molar mass
- 287.32g/mol
- Monoisotopic mass
- 287.1059Da
- Atoms
- 35
- Elements
- 4
- Rings plus double bonds
- 14
The formula C18H13N3O describes a molecule made of 18 carbon atoms, 13 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 × 1875.25%12.011 × 18 = 216.198 g/mol
- H Hydrogen × 134.56%1.008 × 13 = 13.104 g/mol
- N Nitrogen × 314.63%14.007 × 3 = 42.021 g/mol
- O Oxygen × 15.57%15.999 × 1 = 15.999 g/mol
Look up another formula
Compounds with the formula C18H13N3O
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 70 of 70 compounds
Rutaecarpine
CAS 84-26-4C18H13N3O
![5,7-Diphenyl-7H-pyrrolo[2,3-d]pyrimidin-4-ol chemical structure, C18H13N3O, CAS 287177-12-2](/s/YTLWLZPZXNOVGS-UHFFFAOYSA-N.svg)
5,7-Diphenyl-7H-pyrrolo[2,3-d]pyrimidin-4-ol
CAS 287177-12-2C18H13N3O
JAK3 inhibitor VI
CAS 623175-13-3C18H13N3O
4-Methyl-2-(8-quinolinyl)-1-phthalazinone
CAS 479577-82-7C18H13N3O
![2,4-Diphenyl-1,2-dihydro-3H-pyrazolo[3,4-b]pyridin-3-one chemical structure, C18H13N3O, CAS 23876-74-6](/s/ARSMGRZKAYPZMA-UHFFFAOYSA-N.svg)
2,4-Diphenyl-1,2-dihydro-3H-pyrazolo[3,4-b]pyridin-3-one
CAS 23876-74-6C18H13N3O
![5,6-Diphenylfuro[2,3-d]pyrimidin-4-amine chemical structure, C18H13N3O, CAS 5207-52-3](/s/APAOWMPUWGJZFS-UHFFFAOYSA-N.svg)
5,6-Diphenylfuro[2,3-d]pyrimidin-4-amine
CAS 5207-52-3C18H13N3O
2-Amino-6-(4-hydroxyphenyl)-4-phenylpyridine-3-carbonitrile
CAS 79492-49-2C18H13N3O
Parvine
CAS 57103-51-2C18H13N3O
![2,5-Diphenylpyrazolo[1,5-a]pyrimidin-7-ol chemical structure, C18H13N3O, CAS 5790-45-4](/s/VNKCQGVSPOWIEY-UHFFFAOYSA-N.svg)
2,5-Diphenylpyrazolo[1,5-a]pyrimidin-7-ol
CAS 5790-45-4C18H13N3O
3-(4-Methylphenoxy)-6-phenylpyridazine-4-carbonitrile
CAS 338752-71-9C18H13N3O
![3-(4-Methylphenyl)-5H-indeno[1,2-c]pyridazin-5-one oxime chemical structure, C18H13N3O, CAS 861208-60-8](/s/JVYQDXWZBLFPLB-UHFFFAOYSA-N.svg)
3-(4-Methylphenyl)-5H-indeno[1,2-c]pyridazin-5-one oxime
CAS 861208-60-8C18H13N3O
![3-(3-Methylphenyl)-5H-indeno[1,2-c]pyridazin-5-one oxime chemical structure, C18H13N3O, CAS 860787-95-7](/s/KKEAHXQAZJATBP-UHFFFAOYSA-N.svg)
3-(3-Methylphenyl)-5H-indeno[1,2-c]pyridazin-5-one oxime
CAS 860787-95-7C18H13N3O
![3,5-Diphenylpyrazolo[1,5-a]pyrimidin-7-ol chemical structure, C18H13N3O, CAS 900289-67-0](/s/JRWCRRNEHODUSW-UHFFFAOYSA-N.svg)
3,5-Diphenylpyrazolo[1,5-a]pyrimidin-7-ol
CAS 900289-67-0C18H13N3O
![(Z)-2-(1H-Benzo[d]imidazol-2-yl)-N-(furan-2-ylmethylene)aniline chemical structure, C18H13N3O, CAS 374105-48-3](/s/DFGDZPAETPETQE-UHFFFAOYSA-N.svg)
(Z)-2-(1H-Benzo[d]imidazol-2-yl)-N-(furan-2-ylmethylene)aniline
CAS 374105-48-3C18H13N3O
8-Amino-10-phenylphenazin-2-one
CAS 6364-25-6C18H13N3O
![3-(2-Aminophenyl)benzo[g]quinoxalin-2(1H)-one chemical structure, C18H13N3O, CAS 94496-10-3](/s/HPXYNQDLLRNQEM-UHFFFAOYSA-N.svg)
3-(2-Aminophenyl)benzo[g]quinoxalin-2(1H)-one
CAS 94496-10-3C18H13N3O
4-Pyridazinecarbonitrile, 2,3-dihydro-2-methyl-3-oxo-5,6-diphenyl-
CAS 75643-77-5C18H13N3O
3-(6-(Benzyloxy)pyridazin-4-yl)benzonitrile
CAS 660424-37-3C18H13N3O
Imidazo(1,2-a)pyridine, 7-methyl-2-(2-naphthalenyl)-3-nitroso-
CAS 364043-77-6C18H13N3O
![7-(4-Methyl-3-pyridinyl)-3-phenyl-[1,2]oxazolo[4,5-b]pyridine chemical structure, C18H13N3O, CAS 1428880-77-6](/s/OWVOTTWEHRSZMP-UHFFFAOYSA-N.svg)
7-(4-Methyl-3-pyridinyl)-3-phenyl-[1,2]oxazolo[4,5-b]pyridine
CAS 1428880-77-6C18H13N3O
4-Hydroxy-6-(4-methylphenyl)-2-phenyl-5-pyrimidinecarbonitrile
CAS 477853-90-0C18H13N3O
4-Prop-2-ynoxy-2,6-dipyridin-2-ylpyridine
CAS 189247-15-2C18H13N3O
N-(Cyanomethyl)-2-phenylquinoline-4-carboxamide
CAS 349400-28-8C18H13N3O
1-(2-Cyanophenyl)-3-naphthalen-2-ylurea
CAS 330579-38-9C18H13N3O
- 5-Imino-2-phenylchromeno[3,4-c]pyridine-4-ylamine30144-15-1C18H13N3O
- N-(1H-Benzimidazol-2-yl)naphthalene-1-carboxamide24363-93-7C18H13N3O
- 3,4-Diphenyl-2,7-dihydro-pyrazolo[3,4-b]pyridin-6-one820233-45-2C18H13N3O
- (3AR,8aS)-2-(1,8-naphthyridin-2-yl)-3a,8a-dihydro-8H-indeno[1,2-d]oxazole2757082-71-4C18H13N3O
- as-Triazine, 5-(9-anthracenyl)-3-methoxy-69467-15-8C18H13N3O
- 5-(2-Anilinovinyl)-3-phenyl-4-isoxazolecarbonitrile338992-50-0C18H13N3O
- 2(1H)-Pyridinone, 5-(2-phenylpyrazolo[1,5-a]pyridin-3-yl)-131185-46-1C18H13N3O
- 1H-Pyrrolo[2,3-b]pyridine,5-(2-phenoxy-3-pyridinyl)-754214-58-9C18H13N3O
- 4-(2-(6-Methylpyridin-2-yl)-2-oxoethyl)quinoline-6-carbonitrile924898-11-3C18H13N3O
- N-(Pyrazolo[1,5-a]pyridin-5-yl)-1-naphthamide2034547-21-0C18H13N3O
- Phenyl[2-(2H-pyrrol-2-ylidene)-2,3-dihydro-1H-benzimidazol-5-yl]methanone920286-48-2C18H13N3O
- 1-[(E)-(4-Methoxyphenyl)diazenyl]-2-naphthonitrile89020-74-6C18H13N3O
- 4-[(6-Oxo-3-phenylpyridazin-1-yl)methyl]benzonitrile1219580-62-7C18H13N3O
- Pyrazolo[1,5-c]pyrimidin-7(6H)-one, 2,5-diphenyl-110950-93-1C18H13N3O
- (3aS,8aR)-2-(1,8-Naphthyridin-2-yl)-8,8a-dihydro-3aH-indeno[1,2-d]oxazole2757082-48-5C18H13N3O
- 6-[5-(4-Methylphenyl)-1,3,4-oxadiazol-2-yl]quinoline866018-97-5C18H13N3O
- 2-(1H-1,2,3-Benzotriazol-1-yl)-1-(naphthalen-2-yl)ethan-1-one124041-72-1C18H13N3O
- 2-[5-(Naphthalen-1-ylmethyl)-1,2,4-oxadiazol-3-yl]pyridine892685-92-6C18H13N3O
- 1,2-Dihydro-2,5-diphenyl-3H-pyrazolo(3,4-b)pyridin-3-one53868-57-8C18H13N3O
- 4-(3-Cyano-4-phenyl-1H-pyrrol-1-yl)benzamide1072202-78-8C18H13N3O
- 2-Imidazol-1-yl-1-phenyl-1H-indole-3-carboxaldehyde675580-78-6C18H13N3O
- 7-(4-Methylpyrimidin-5-yl)-3-phenyl-1,2-benzoxazole1428879-92-8C18H13N3O
- 1-((1E)-2-Benzimidazol-2-yl-2-azavinyl)naphthalen-2-ol291767-86-7C18H13N3O
- 4(1H)-Pyridinone, 2-(9-acridinylamino)-97869-43-7C18H13N3O
- 1-[(1H-Benzimidazole-2-ylimino)methyl]-2-naphtholC18H13N3O
- 3-[5-(Naphthalen-1-ylmethyl)-1,2,4-oxadiazol-3-yl]pyridine892685-78-8C18H13N3O
- Phenol, 4-[[5-(phenylethynyl)-4-pyrimidinyl]amino]-393856-48-9C18H13N3O
- 3-Methoxy-5,6-diphenylpyrazine-2-carbonitrile75018-08-5C18H13N3O
- 5-Amino-2,3-diphenyl-2,3-dihydrofuran-3,4-dicarbonitrile94556-73-7C18H13N3O
- 3-(Quinolin-3-ylmethyl)quinazolin-4(3H)-one923018-92-2C18H13N3O
- 3-(1-Benzyl-1H-1,2,3-triazol-4-yl)-1-phenylprop-2-yn-1-one920282-86-6C18H13N3O
- 6-Phenyl-4-(1H-pyrrolo[2,3-b]pyridin-3-yl)pyridin-2(1H)-one1341213-81-7C18H13N3O
- 3-(5-Phenyl-1,2-dihydro-3H-1,2,4-triazol-3-ylidene)naphthalen-2(3H)-one88513-08-0C18H13N3O
- 1-(4-Oxo-5-phenyl-3,4-dihydroquinazolin-2-yl)cyclopropanecarbonitrile1272357-26-2C18H13N3O
- 6-Anilino-2-oxo-4-phenyl-1,2-dihydropyridine-3-carbonitrile80392-84-3C18H13N3O
- 2-(2-Azidophenyl)-5-(2-phenylethenyl)furan62144-41-6C18H13N3O
- 3,6-Diphenyl[1,2]oxazolo[4,5-c]pyridin-4-amine920984-05-0C18H13N3O
- 5-Formyl-1-(3-(1-pyrrolyl)phenyl)benzimidazole1055988-32-3C18H13N3O
- 2,6-Diphenyl-3,5-dihydropyrrolo[3,2-d]pyrimidin-4-one237435-24-4C18H13N3O
- 1,2-Dihydro-5-(1-naphthalenyl)-2-phenyl-3H-1,2,4-triazol-3-one27423-57-0C18H13N3O
- 1-Oxo-2,6-diphenyl-1lambda~5~-imidazo[1,2-b]pyridazine65610-21-1C18H13N3O
- 4-Methyl-2-phenylpyrazolo[1,5-A]quinoxaline-3-carbaldehyde94813-87-3C18H13N3O
- 5-Acetyl-1,3-diphenyl-1H-pyrazole-4-carbonitrile649746-06-5C18H13N3O
- 3-Diazonio-7-phenyl-7-(pyridin-2-yl)bicyclo[2.2.1]hepta-2,5-dien-2-olate646511-54-8C18H13N3O
- 7-(4-Methyl-3-pyridinyl)-3-pyridin-2-yl-1,2-benzoxazole1428880-05-0C18H13N3O
- Spiro[1,3-dihydrobenzo[e]benzimidazole-2,3'-1H-indole]-2'-one21943-54-4C18H13N3O
Frequently asked questions
What is the molar mass of C18H13N3O?
The molar mass of C18H13N3O is 287.32 g/mol, calculated from standard atomic weights for 18 carbon atoms, 13 hydrogen atoms, 3 nitrogen atoms and 1 oxygen atom. The monoisotopic mass is 287.1059 Da.
How many compounds have the formula C18H13N3O?
CompoundList lists 70 compounds with the molecular formula C18H13N3O, including Rutaecarpine, 5,7-Diphenyl-7H-pyrrolo[2,3-d]pyrimidin-4-ol, JAK3 inhibitor VI. 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 C18H13N3O?
C18H13N3O 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.