Molecular formula
C18H13N3O2
136 compounds have this formula on CompoundList.
- Molar mass
- 303.32g/mol
- Monoisotopic mass
- 303.1008Da
- Atoms
- 36
- Elements
- 4
- Rings plus double bonds
- 14
The formula C18H13N3O2 describes a molecule made of 18 carbon atoms, 13 hydrogen atoms, 3 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 × 1871.28%12.011 × 18 = 216.198 g/mol
- H Hydrogen × 134.32%1.008 × 13 = 13.104 g/mol
- N Nitrogen × 313.85%14.007 × 3 = 42.021 g/mol
- O Oxygen × 210.55%15.999 × 2 = 31.998 g/mol
Look up another formula
Compounds with the formula C18H13N3O2
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 100 of 136 compounds
2-(2-Furanyl)-3-(6-methyl-2-pyridinyl)-4-quinazolinone
CAS 332848-94-9C18H13N3O2
![N-[4-(1H-Benzimidazol-2-yl)phenyl]furan-2-carboxamide chemical structure, C18H13N3O2, CAS 294891-58-0](/s/KIQKNOSKYQWLAW-UHFFFAOYSA-N.svg)
N-[4-(1H-Benzimidazol-2-yl)phenyl]furan-2-carboxamide
CAS 294891-58-0C18H13N3O2
N-Pyrimidin-2-yl-9H-xanthene-9-carboxamide
CAS 221148-79-4C18H13N3O2
2-(Furan-2-yl)-3-(3-methylpyridin-2-yl)quinazolin-4-one
CAS 332848-93-8C18H13N3O2
Isoxazolo(3,4-d)pyridazin-7(6H)-one, 4,6-diphenyl-3-methyl-
CAS 25506-01-8C18H13N3O2
![6-(4-Methylphenyl)-1-phenylpyrazolo[3,4-d][1,3]oxazin-4-one chemical structure, C18H13N3O2, CAS 329066-85-5](/s/FTEMUEPPHZFXQI-UHFFFAOYSA-N.svg)
6-(4-Methylphenyl)-1-phenylpyrazolo[3,4-d][1,3]oxazin-4-one
CAS 329066-85-5C18H13N3O2
![N-(2-Phenylimidazo[1,2-a]pyridin-3-yl)furan-2-carboxamide chemical structure, C18H13N3O2, CAS 5882-96-2](/s/NIBPGPHBRCFZAC-UHFFFAOYSA-N.svg)
N-(2-Phenylimidazo[1,2-a]pyridin-3-yl)furan-2-carboxamide
CAS 5882-96-2C18H13N3O2
2-(Furan-2-yl)-3-(4-methylpyridin-2-yl)quinazolin-4-one
CAS 380890-56-2C18H13N3O2
4-Hydroxy-6-(4-methoxyphenyl)-2-phenyl-5-pyrimidinecarbonitrile
CAS 89058-98-0C18H13N3O2
![2-(2-Oxobenzo[cd]indol-1(2H)-yl)-N-3-pyridinylacetamide chemical structure, C18H13N3O2, CAS 575471-39-5](/s/CUKKLBVMQFKWSC-UHFFFAOYSA-N.svg)
2-(2-Oxobenzo[cd]indol-1(2H)-yl)-N-3-pyridinylacetamide
CAS 575471-39-5C18H13N3O2
![N-[3-(1H-Benzimidazol-2-yl)phenyl]furan-2-carboxamide chemical structure, C18H13N3O2, CAS 294891-59-1](/s/LWMXSFDBHXPLLD-UHFFFAOYSA-N.svg)
N-[3-(1H-Benzimidazol-2-yl)phenyl]furan-2-carboxamide
CAS 294891-59-1C18H13N3O2
3-(4-Methoxyphenoxy)-6-phenylpyridazine-4-carbonitrile
CAS 338751-62-5C18H13N3O2
4-Hydroxy-6-(2-methoxyphenyl)-2-phenyl-5-pyrimidinecarbonitrile
CAS 477853-96-6C18H13N3O2
4-Hydroxy-6-(3-methoxyphenyl)-2-phenyl-5-pyrimidinecarbonitrile
CAS 338982-08-4C18H13N3O2
2-(1-Benzyl-1H-pyrazol-4-yl)-2,3-dihydro-1H-isoindole-1,3-dione
CAS 1423028-29-8C18H13N3O2
3-(Naphthalen-1-yloxymethyl)-1,2,3-benzotriazin-4-one
CAS 778623-06-6C18H13N3O2
(E)-N'-((1H-Indol-3-yl)methylene)benzofuran-2-carbohydrazide
CAS 332374-22-8C18H13N3O2
1-Hydroxyrutaecarpine
CAS 53600-24-1C18H13N3O2
![2-[(8-Hydroxyquinolin-2-yl)amino]quinolin-8-ol chemical structure, C18H13N3O2, CAS 85139-11-3](/s/XODXDUUPXGKMFO-UHFFFAOYSA-N.svg)
2-[(8-Hydroxyquinolin-2-yl)amino]quinolin-8-ol
CAS 85139-11-3C18H13N3O2
Tsitsikammamine A
CAS 183114-86-5C18H13N3O2
N-(1-Phenylbenzimidazol-5-yl)furan-2-carboxamide
CAS 720675-64-9C18H13N3O2
Mansouramycin D
CAS 1199808-47-3C18H13N3O2
Orisuaveoline A
CAS 1105671-13-3C18H13N3O2
4-((2-(2-Hydroxyphenyl)-6-methylpyrimidin-4-yl)oxy)benzonitrile
CAS 380590-05-6C18H13N3O2
- N,N-Bis(cyanomethyl)-2-naphtho[2,1-b]furan-1-ylacetamide573669-52-0C18H13N3O2
- 2-(Imidazo[1,2-a]pyrimidin-2-ylmethoxy)-1-naphthaldehyde308298-46-6C18H13N3O2
- 3-Hydroxyrutaecarpine381723-48-4C18H13N3O2
- N-(1H-Indol-6-yl)-4-oxo-1H-quinoline-3-carboxamide873050-50-1C18H13N3O2
- 3-(1H-Indol-3-yl)-4-phenylamino-pyrrole-2,5-dione257878-66-3C18H13N3O2
- Indenopyrazole 5a247148-90-9C18H13N3O2
- 3-Methyl-10-phenylpyrimido[4,5-b]quinoline-2,4(3H,10H)-dione69083-37-0C18H13N3O2
- 7beta-Hydroxyrutaecarpine163815-35-8C18H13N3O2
- 5-Methyl-6-phenyl-3-(pyridin-4-yl)isoxazolo[4,5-c]pyridin-4(5H)-one479077-04-8C18H13N3O2
- 4-(Benzo[f]benzotriazol-3-ylmethyl)benzoic acid202582-08-9C18H13N3O2
- 3-(4-Phenoxyphenyl)-1,3-dihydro-2H-imidazo[4,5-b]pyridin-2-one61963-12-0C18H13N3O2
- 3-(3-Phenoxyphenyl)-1,3-dihydro-2H-imidazo[4,5-b]pyridin-2-one61963-14-2C18H13N3O2
- N-(1H-Indol-5-yl)-4-oxo-1H-quinoline-3-carboxamide873053-07-7C18H13N3O2
- 5-(Naphthalen-2-yloxymethyl)-3-pyridin-3-yl-1,2,4-oxadiazole352346-41-9C18H13N3O2
- 3-Pyridinylmethyl 9H-pyrido[3,4-b]indole-3-carboxylate84454-36-4C18H13N3O2
- N-[2-(Cyanomethyl)phenyl]-4-oxo-1H-quinoline-3-carboxamide873053-21-5C18H13N3O2
- 12H-Quino(2,1-b)quinazoline-5-carboxamide, N-methyl-12-oxo-137522-65-7C18H13N3O2
- 5-(Naphthalen-1-yloxymethyl)-3-pyridin-3-yl-1,2,4-oxadiazole352652-27-8C18H13N3O2
- 5-(Naphthalen-1-yloxymethyl)-3-pyridin-4-yl-1,2,4-oxadiazole352343-42-1C18H13N3O2
- 2-(1-Aziridinyl)-6-methyl-1H-indolo(3,2-c)quinoline-1,4(11H)-dione114656-96-1C18H13N3O2
- N-(1,4-dihydro-4-oxo-3-quinolinyl)-1H-Indole-6-carboxamide1640007-69-7C18H13N3O2
- 2-Cyano-3-(5-methylfuran-2-yl)-N-(quinolin-5-yl)prop-2-enamide1049979-00-1C18H13N3O2
- 3-(1-Aziridinyl)-6-methyl-1H-indolo(3,2-c)quinoline-1,4(11H)-dione113698-23-0C18H13N3O2
- Phenol, 2-[3-[2-(1H-indol-3-yl)ethenyl]-1,2,4-oxadiazol-5-yl]-727675-49-2C18H13N3O2
- 5-(Naphthalen-1-yloxymethyl)-3-pyridin-2-yl-1,2,4-oxadiazole420823-35-4C18H13N3O2
- 5-(Naphthalen-2-yloxymethyl)-3-pyridin-4-yl-1,2,4-oxadiazole352346-43-1C18H13N3O2
- N-[2-(1H-Pyrrol-1-yl)quinolin-8-yl]furan-2-carboxamide1226458-22-5C18H13N3O2
- (E)-3-(3-Methoxyphenyl)-2-(4-oxo-3,4-dihydroquinazolin-2-yl)acrylonitrile620583-40-6C18H13N3O2
- 3-(Furan-2-yl)-3,4-dihydrobenzimidazo[2,1-b]quinazolin-1(2H)-one777867-49-9C18H13N3O2
- 3-Phenyl-8,9-dihydro-1H-7,10-dioxa-1,2,5-triaza-cyclopenta[a]anthracene931359-30-7C18H13N3O2
- 1-[(3-Phenyl-1,2,4-oxadiazol-5-yl)methyl]-1H-indole-3-carbaldehyde676441-02-4C18H13N3O2
- Methyl 4-(1H-pyrazol-1-yl)-3-[2-(3-pyridinyl)ethynyl]benzoate1381478-41-6C18H13N3O2
- 4(3H)-Quinazolinone, 3-(3-methyl-5-isoxazolyl)-2-phenyl-86134-21-6C18H13N3O2
- 2-(4-(2,2-Dicyanovinyl)phenoxy)-N-phenylacetamide333341-37-0C18H13N3O2
- [4-[(E)-2-Hydroxystyryl]-5,5-dimethyl-3-cyano-2,5-dihydrofuran-2-ylidene]malononitrile364599-42-8C18H13N3O2
- 3-(4-Methylphenyl)-5-(5-phenyl-1,2-oxazol-3-yl)-1,2,4-oxadiazole832141-76-1C18H13N3O2
- 2,6-Diphenylpyrazolo[1,5-a]pyrimidine-5,7(1H,6H)-dione64861-26-3C18H13N3O2
- Cdk8-IN-142924193-12-2C18H13N3O2
- 3-Hydroxy-N-1H-indazol-6-ylnaphthalene-2-carboxamide84837-23-0C18H13N3O2
- Methyl 1-[cyano(pyridin-2-yl)methyl]isoquinoline-4-carboxylate439108-14-2C18H13N3O2
- 2-Amino-4-(4-methoxyphenyl)-5H-indeno[1,2-d]pyrimidin-5-one713514-51-3C18H13N3O2
- 4-Amino-2-(p-tolyl)-5H-(1)benzopyrano(4,3-d)pyrimidin-5-one32644-47-6C18H13N3O2
- 4-(7-Methoxy-1-benzofuran-2-yl)-2-(4-pyridinyl)pyrimidine866131-47-7C18H13N3O2
- 5-(Naphthalen-2-yloxymethyl)-3-pyridin-2-yl-1,2,4-oxadiazole383370-86-3C18H13N3O2
- Perimidine, 1-methyl-2-(p-nitrophenyl)-51784-21-5C18H13N3O2
- Perimidine, 1-methyl-2-(o-nitrophenyl)-63656-66-6C18H13N3O2
- N-(4-(Cyanomethoxy)phenyl)quinoline-2-carboxamide1240841-51-3C18H13N3O2
- N-[4-(4-pyridinyloxy)phenyl]-2-Benzoxazolamine850258-31-0C18H13N3O2
- 4-(6-Phenyl-furo[2,3-d]pyrimidin-4-yloxy)phenylamine417724-06-2C18H13N3O2
- Methyl 1-(cinnolin-4-yl)-1H-indole-3-carboxylate649551-05-3C18H13N3O2
- 3-Cyano-N-((2-(furan-2-yl)pyridin-3-yl)methyl)benzamide2034343-88-7C18H13N3O2
- 3-Cyano-N-((6-(furan-3-yl)pyridin-3-yl)methyl)benzamide2034464-14-5C18H13N3O2
- 3-Cyano-N-((5-(furan-2-yl)pyridin-3-yl)methyl)benzamide2034339-56-3C18H13N3O2
- 3-Cyano-N-((5-(furan-3-yl)pyridin-3-yl)methyl)benzamide2034365-02-9C18H13N3O2
- 3-(3-(o-Tolyl)-1,2,4-oxadiazol-5-yl)quinolin-4(1H)-one1260712-81-9C18H13N3O2
- 3-(3-(p-Tolyl)-1,2,4-oxadiazol-5-yl)quinolin-4(1H)-one1260722-45-9C18H13N3O2
- 3-(3-(m-Tolyl)-1,2,4-oxadiazol-5-yl)quinolin-4(1H)-one1260708-23-3C18H13N3O2
- N-[2-(1H-Pyrazol-3-yl)benzofuran-3-yl]benzamide1401786-32-0C18H13N3O2
- 5(4H)-Oxazolone, 4-[(7-methyl-1H-indazol-5-yl)methylene]-2-phenyl-1414976-16-1C18H13N3O2
- Isomeridine129722-91-4C18H13N3O2
- 2-Propenenitrile, 2-nitro-3-[1-(phenylmethyl)-1H-indol-3-yl]-38073-34-6C18H13N3O2
- 6-(3-Furyl)-N-phenylimidazo[1,2-a]pyridine-2-carboxamide1167623-59-7C18H13N3O2
- 2-Cyano-3-(4-cyanophenyl)-N-(3-methoxyphenyl)prop-2-enamide478017-31-1C18H13N3O2
- 3-Cyano-N-(2-methoxyquinolin-8-yl)benzamide1226445-57-3C18H13N3O2
- 1-Methyl-4-(naphthalen-2-yl)-1H-pyrazolo[3,4-b]pyridine-3-carboxylic acid1354704-93-0C18H13N3O2
- Methyl 3-(1-cyanophthalazin-6-yl)-4-methylbenzoate909187-25-3C18H13N3O2
- 3-[(Furan-2-yl)methyl]-2-(pyridin-3-yl)quinazolin-4(3H)-one675200-78-9C18H13N3O2
- 8-(Indolin-5-yl)chromeno[7,8-d]imidazol-6(3H)-one1956355-04-6C18H13N3O2
- 4-(3-Ethynylanilino)quinazolin-6-yl acetate1012057-30-5C18H13N3O2
- (E)-2-(3-Cyano-4-(4-hydroxystyryl)-5,5-dimethylfuran-2(5H)-ylidene)malononitrile1714775-86-6C18H13N3O2
- 1-(6-Phenylindolizin-3-yl)-1H-pyrazole-3-carboxylic acid1422066-85-0C18H13N3O2
- 6-(4-Hydroxyphenyl)-4-(1H-indol-2-yl)pyridazin-3(2H)-one869851-46-7C18H13N3O2
- 3-(1,2-Benzoxazol-5-yl)-2-cyano-N-(2-methylphenyl)prop-2-enamide2411332-31-3C18H13N3O2
- N-(9H-Carbazol-9-yl)-6-hydroxypicolinamide3061748-66-8C18H13N3O2
- Darrow redC18H13N3O2
- Imidazo(1,2-c)quinazolin-2(3H)-one, 3-((4-methoxyphenyl)methylene)-60045-41-2C18H13N3O2
Frequently asked questions
What is the molar mass of C18H13N3O2?
The molar mass of C18H13N3O2 is 303.32 g/mol, calculated from standard atomic weights for 18 carbon atoms, 13 hydrogen atoms, 3 nitrogen atoms and 2 oxygen atoms. The monoisotopic mass is 303.1008 Da.
How many compounds have the formula C18H13N3O2?
CompoundList lists 136 compounds with the molecular formula C18H13N3O2, including 2-(2-Furanyl)-3-(6-methyl-2-pyridinyl)-4-quinazolinone, N-[4-(1H-Benzimidazol-2-yl)phenyl]furan-2-carboxamide, N-Pyrimidin-2-yl-9H-xanthene-9-carboxamide. 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 C18H13N3O2?
C18H13N3O2 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.