C18H13N5O
46 compounds have this formula on CompoundList.
- Molar mass
- 315.34g/mol
- Monoisotopic mass
- 315.1120Da
- Atoms
- 37
- Elements
- 4
- Rings plus double bonds
- 15
The formula C18H13N5O describes a molecule made of 18 carbon atoms, 13 hydrogen atoms, 5 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 × 1868.56%12.011 × 18 = 216.198 g/mol
- H Hydrogen × 134.16%1.008 × 13 = 13.104 g/mol
- N Nitrogen × 522.21%14.007 × 5 = 70.035 g/mol
- O Oxygen × 15.07%15.999 × 1 = 15.999 g/mol
Compounds with the formula C18H13N5O
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 46 of 46 compounds
![N-(7-Phenyl-[1,2,4]triazolo[1,5-a]pyrimidin-2-yl)benzamide chemical structure, C18H13N5O, CAS 500103-70-8](/s/ULZRSQREYWUMAP-UHFFFAOYSA-N.svg)
![5-Amino-2-phenyl-7-(3-pyridinyl)-3,7-dihydropyrano[2,3-d]imidazole-6-carbonitrile chemical structure, C18H13N5O, CAS 353468-57-2](/s/JGMLGMGREXIXFV-UHFFFAOYSA-N.svg)
![6-Oxo-8,9,13b,14-tetrahydro-6H-pyrazolo[5'',1'':2',3']pyrimido[4',5':4,5]pyrido[2,1-a]isoquinoline-3-carbonitrile chemical structure, C18H13N5O, CAS 344262-46-0](/s/AZAPTLTZCLSCIW-UHFFFAOYSA-N.svg)
![6-Amino-3-phenyl-4-(4-pyridinyl)-1,4-dihydropyrano[2,3-c]pyrazole-5-carbonitrile chemical structure, C18H13N5O, CAS 350698-93-0](/s/OYKPAWSIQBRZMV-UHFFFAOYSA-N.svg)
![2-Amino-1-(4-methoxyphenyl)-1H-pyrrolo[2,3-b]quinoxaline-3-carbonitrile chemical structure, C18H13N5O, CAS 300376-33-4](/s/NAKAOHKIXLTTRQ-UHFFFAOYSA-N.svg)
![2-[2-(3-Phenoxy-phenyl)-2H-tetrazol-5-yl]-pyridine chemical structure, C18H13N5O, CAS 507270-01-1](/s/XIULEDQKPVUSNS-UHFFFAOYSA-N.svg)
![2-Amino-1-(2-methoxyphenyl)pyrrolo[3,2-b]quinoxaline-3-carbonitrile chemical structure, C18H13N5O, CAS 301358-45-2](/s/BEDHSZJWKKIXLW-UHFFFAOYSA-N.svg)
![N-[2-(Pyridin-3-yl)-1H-benzimidazol-5-yl]pyridine-2-carboxamide chemical structure, C18H13N5O, CAS 1310939-57-1](/s/UCMPMFQORSEPRI-UHFFFAOYSA-N.svg)
![N-[2-(Pyridin-4-yl)-1H-benzimidazol-5-yl]pyridine-3-carboxamide chemical structure, C18H13N5O, CAS 1324066-10-5](/s/XVXCKTKIRINJGE-UHFFFAOYSA-N.svg)
![3-[5-Amino-4-(1H-benzimidazol-2-yl)-3-oxo-2,3-dihydro-1H-pyrrol-1-yl]benzonitrile chemical structure, C18H13N5O, CAS 1029797-43-0](/s/TUEOZUYHMXNBIR-UHFFFAOYSA-N.svg)
![5-Methyl-4-[3-(pyridin-2-yl)-1,2,4-oxadiazol-5-yl]-3,3'-bipyridine chemical structure, C18H13N5O, CAS 856570-73-5](/s/IRXSLFUCGOHLTH-UHFFFAOYSA-N.svg)
![4-[5-Hydroxy-3-(pyridin-3-yl)-6,7-dihydro-3H-imidazo[4,5-b]pyridin-7-yl]benzonitrile chemical structure, C18H13N5O, CAS 1219551-14-0](/s/OTHTWXFKBZQVTL-UHFFFAOYSA-N.svg)
![N-[2-(Pyridin-4-yl)-1H-benzimidazol-5-yl]pyridine-4-carboxamide chemical structure, C18H13N5O, CAS 1324061-81-5](/s/QYYNREVFPLFEJS-UHFFFAOYSA-N.svg)
![N-[3-(4-Pyridinyl) imidazo[1,2-b]pyridazin-6-yl]benzamide chemical structure, C18H13N5O, CAS 923598-06-5](/s/KQMUSDGSELINOH-UHFFFAOYSA-N.svg)
- N-(2-(Imidazo[1,2-a]pyridin-2-yl)phenyl)pyrimidine-2-carboxamide1788561-73-8C18H13N5O
- (Z)-2-Cyano-3-(1-phenyl-3-pyridin-3-ylpyrazol-4-yl)prop-2-enamide1322238-12-9C18H13N5O
- N-(4-(1H-Pyrazol-3-yl)phenyl)quinoxaline-2-carboxamide1208468-09-0C18H13N5O
- 3-(1-Phenyl-1H-pyrazol-5-yl)-1-pyridin-4-ylpyridazin-4(1H)-one1238694-99-9C18H13N5O
- 3-(1-Phenyl-1H-pyrazol-5-yl)-1-pyridin-3-ylpyridazin-4(1H)-one1238694-97-7C18H13N5O
- N,5-di(pyridin-3-yl)-1H-indazole-3-carboxamide1428063-30-2C18H13N5O
- 2-Cyano-N-[6-(phenylamino)pyridin-3-yl]pyridine-4-carboxamide1808705-00-1C18H13N5O
- 2-Cyano-3-[1-phenyl-3-(pyridin-3-yl)-1H-pyrazol-4-yl]prop-2-enamideC18H13N5O
- 4-Amino-6,7-diphenyl-3H-pteridin-2-one6954-23-0C18H13N5O
- 6-(1H-Indol-4-yl)-4-(5-methyl-1,3,4-oxadiazol-2-yl)-1H-indazole1245464-12-3C18H13N5O
- Benzonitrile, 4,4'-(1-hydroxy-2-(1H-1,2,4-tiazol-1-yl)ethylidene)bis-100567-89-3C18H13N5O
- N-(4-([1,2,4]Triazolo[4,3-a]pyridin-3-yl)phenyl)picolinamide1435978-15-6C18H13N5O
- 5-(3-Pyridinyl)-N-4-pyridinyl-1H-indazole-3-carboxamide677702-20-4C18H13N5O
- 2,3-Dihydro-3-phenyl-2-(phenylimino)-4H-pyrimido[1,2-a]-1,3,5-triazin-4-one85450-60-8C18H13N5O
- 3-[7-(3-Pyridinyl)imidazo[1,2-b]pyridazin-3-yl]benzamide1107654-79-4C18H13N5O
- 2-[3-[1-(1H-Pyrrolo[2,3-b]pyridin-4-yl)pyrazol-3-yl]phenoxy]acetonitrile941679-03-4C18H13N5O
- 2-[2-(4-Phenoxyphenyl)-2H-tetrazol-5-yl]pyridine507268-66-8C18H13N5O
- 2-[4-(2-Phenylethenyl)phenyl]-2,3-dihydro-7H-[1,2,3]triazolo[4,5-d]pyrimidin-7-one34570-14-4C18H13N5O
- 3-Methyl-7,8-diphenyl-4H-[1,2,4]triazino[4,3-b][1,2,4]triazin-4-one88282-05-7C18H13N5O
- 7-(4-Cyclopropylpyrimidin-5-yl)-3-pyrazin-2-yl-1,2-benzoxazole1428880-13-0C18H13N5O
- 6-[6-(5-Phenyl-1H-1,2,3-triazol-1-yl)pyrimidin-2(1H)-ylidene]cyclohexa-2,4-dien-1-one88236-28-6C18H13N5O
- 6-[6-(4-Phenyl-1H-1,2,3-triazol-1-yl)pyrimidin-2(1H)-ylidene]cyclohexa-2,4-dien-1-one88236-22-0C18H13N5O
Frequently asked questions
What is the molar mass of C18H13N5O?
The molar mass of C18H13N5O is 315.34 g/mol, calculated from standard atomic weights for 18 carbon atoms, 13 hydrogen atoms, 5 nitrogen atoms and 1 oxygen atom. The monoisotopic mass is 315.1120 Da.
How many compounds have the formula C18H13N5O?
CompoundList lists 46 compounds with the molecular formula C18H13N5O, including N-(7-Phenyl-[1,2,4]triazolo[1,5-a]pyrimidin-2-yl)benzamide, 5-Amino-2-phenyl-7-(3-pyridinyl)-3,7-dihydropyrano[2,3-d]imidazole-6-carbonitrile, 6-Oxo-8,9,13b,14-tetrahydro-6H-pyrazolo[5'',1'':2',3']pyrimido[4',5':4,5]pyrido[2,1-a]isoquinoline-3-carbonitrile. 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 C18H13N5O?
C18H13N5O 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.