C18H13N5O2
43 compounds have this formula on CompoundList.
- Molar mass
- 331.33g/mol
- Monoisotopic mass
- 331.1069Da
- Atoms
- 38
- Elements
- 4
- Rings plus double bonds
- 15
The formula C18H13N5O2 describes a molecule made of 18 carbon atoms, 13 hydrogen atoms, 5 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 × 1865.25%12.011 × 18 = 216.198 g/mol
- H Hydrogen × 133.95%1.008 × 13 = 13.104 g/mol
- N Nitrogen × 521.14%14.007 × 5 = 70.035 g/mol
- O Oxygen × 29.66%15.999 × 2 = 31.998 g/mol
Compounds with the formula C18H13N5O2
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 43 of 43 compounds
![4-Imino-3,6-diphenyl-1,3,4,7-tetrahydropyrimido[5,4-d]pyrimidine-2,8-dione chemical structure, C18H13N5O2, CAS 66482-88-0](/s/NMCWHNRQQFULQG-UHFFFAOYSA-N.svg)
![4-[(1-Phenylpyrazolo[3,4-d]pyrimidin-4-yl)amino]benzoic acid chemical structure, C18H13N5O2, CAS 333324-93-9](/s/DLLDRJMTLFUYKY-UHFFFAOYSA-N.svg)
![N-{4-Oxo-1-phenyl-1H,4H,5H-pyrazolo[3,4-d]pyrimidin-5-yl}benzamide chemical structure, C18H13N5O2, CAS 69722-21-0](/s/PZGHWUOWYRLLLS-UHFFFAOYSA-N.svg)
![1-Hydroxy-4-[4-(4-pyridyl)anilino]pyrido[2,3-d]pyrimidin-2-one chemical structure, C18H13N5O2, CAS 1312411-65-6](/s/RBBQDQBGBIQGNX-UHFFFAOYSA-N.svg)
![2-[3-Methyl-1-(pyrimidin-2-yl)-1H-pyrazolo[3,4-b]pyridine-5-carbonyl]phenol chemical structure, C18H13N5O2, CAS 2094850-74-3](/s/VCXZVSQTBWVYDT-UHFFFAOYSA-N.svg)
![2-[3-Methyl-1-(pyrimidin-4-yl)-1H-pyrazolo[3,4-b]pyridine-5-carbonyl]phenol chemical structure, C18H13N5O2, CAS 2094406-05-8](/s/ZUJRQGRTNDERJZ-UHFFFAOYSA-N.svg)
![6-(Pyridin-3-yl)-1-[(pyridin-4-yl)methyl]-1H-pyrazolo[3,4-b]pyridine-4-carboxylic acid chemical structure, C18H13N5O2, CAS 920655-13-6](/s/CZBSJWJMDNYWBP-UHFFFAOYSA-N.svg)
![2-(4-Cyanophenoxy)-N-[5-(pyrazin-2-yl)pyridin-2-yl]acetamide chemical structure, C18H13N5O2, CAS 1808949-59-8](/s/VXDCNRIDZCXTNU-UHFFFAOYSA-N.svg)
![3-Methoxy-4-phenyl-2-(2H-tetrazol-5-yl)-4H-furo[3,2-b]indole chemical structure, C18H13N5O2, CAS 89224-82-8](/s/PWSDIAIDLOFYPB-UHFFFAOYSA-N.svg)
![N-[3-(1H-Tetrazol-1-yl)phenyl]-1-benzoxepine-4-carboxamide chemical structure, C18H13N5O2, CAS 951897-82-8](/s/WLSJDDQDDIHVLJ-UHFFFAOYSA-N.svg)
![6-(2-Furyl)-2-pyridin-4-yl-6,7-dihydro[1,2,4]triazolo[5,1-b]quinazolin-8(5H)-one chemical structure, C18H13N5O2, CAS 878994-27-5](/s/NCTKYOSBOVIETP-UHFFFAOYSA-N.svg)
![6-(Furan-2-yl)-2-(pyridin-3-yl)-6,7-dihydro[1,2,4]triazolo[5,1-b]quinazolin-8(5H)-one chemical structure, C18H13N5O2, CAS 878994-26-4](/s/MXCDETOOUDASNF-UHFFFAOYSA-N.svg)
![1-Allyl-2-(4-nitrophenyl)-1H-imidazo[4,5-b]quinoxaline chemical structure, C18H13N5O2, CAS 713095-10-4](/s/DNZLGBONZTWLKK-UHFFFAOYSA-N.svg)
![6-(2-Oxo-2-phenylethyl)-3-phenyl-3H-[1,2,3]triazolo[4,5-d]pyrimidin-7(6H)-one chemical structure, C18H13N5O2, CAS 863018-71-7](/s/OGDRVDIFCVTTEV-UHFFFAOYSA-N.svg)
![3-(2-Pyridyl)-5-[3-methoxy-5-(3-pyridyl)-pyrid-4-yl]-1,2,4-oxadiazole chemical structure, C18H13N5O2, CAS 856570-74-6](/s/AZNWXNHYWYZJPG-UHFFFAOYSA-N.svg)
- 3-Oxo-6-(2-phenylpyrazolo[1,5-a]pyridin-3-yl)-2,3-dihydro-4-pyridazinecarboxamide195827-04-4C18H13N5O2
- 2-(4-Benzyl-1,5-dioxo-4,5-dihydro-[1,2,4]triazolo[4,3-a]quinazolin-2(1H)-yl)acetonitrile1357853-18-9C18H13N5O2
- Phenyl{5-[(2-aminopyrimidin-5-yl)ethynyl]pyridin-3-yl}carbamate905439-39-6C18H13N5O2
- 1-Oxo-2-phenyl-N-(4H-1,2,4-triazol-3-yl)-1,2-dihydroisoquinoline-4-carboxamide1574302-17-2C18H13N5O2
- 3-[4-(1H-Indazol-5-ylamino)-2-pyrimidinyl]benzoic acid1595290-61-1C18H13N5O2
- 2-Cyano-N-[4-(1-methyl-1H-imidazole-2-carbonyl)phenyl]pyridine-4-carboxamide1808894-34-9C18H13N5O2
- N-((3-(Furan-2-yl)pyrazin-2-yl)methyl)quinoxaline-2-carboxamide2034498-77-4C18H13N5O2
- 6-Hydroxy-N-(2-{imidazo[1,2-a]pyridin-2-yl}phenyl)pyrimidine-4-carboxamide1797642-79-5C18H13N5O2
- 1-(1-Methyl-1H-pyrazol-4-yl)-3-(quinolin-6-ylcarbonyl)pyridazin-4(1H)-one1314395-66-8C18H13N5O2
- 6-Amino-4-(4-hydroxyphenyl)-3-(4-pyridinyl)-1,4-dihydropyrano[2,3-c]pyrazole-5-carbonitrile664972-13-8C18H13N5O2
- 2-Methyl-12-(pyridin-3-yl)-12H-chromeno[3,2-e][1,2,4]triazolo[1,5-c]pyrimidin-9-ol902309-54-0C18H13N5O2
- 2-(2-Azidobenzoyl)-2,3,4,9-tetrahydro-1H-beta-carbolin-1-one141276-50-8C18H13N5O2
- 4-[(4-Imidazo[1,2-a]pyridin-3-yl-2-pyrimidinyl)amino]benzoic acid1204525-86-9C18H13N5O2
- 4-[(6-Imidazo[1,2-a]pyridin-3-yl-4-pyrimidinyl)amino]benzoic acid1204527-21-8C18H13N5O2
- 2-(4-(Oxazol-2-yl)phenyl)-1,6-naphthyridine-4-carbohydrazide1620952-41-1C18H13N5O2
- 2-(4-(Oxazol-5-yl)phenyl)-1,6-naphthyridine-4-carbohydrazide1620952-42-2C18H13N5O2
- 4-{5-[2-(4-Aminonaphthalen-1-yl)hydrazinylidene]-1,3,4-oxadiazol-2(5H)-ylidene}cyclohexa-2,5-dien-1-one107215-95-2C18H13N5O2
- 2-Methyl-6-[2-(4-nitrophenyl)hydrazinylidene]-6H-perimidine91432-16-5C18H13N5O2
- Benzyl N-[5-(4-cyanophenyl)-1,2,4-triazin-3-yl]carbamate2680788-29-6C18H13N5O2
Frequently asked questions
What is the molar mass of C18H13N5O2?
The molar mass of C18H13N5O2 is 331.33 g/mol, calculated from standard atomic weights for 18 carbon atoms, 13 hydrogen atoms, 5 nitrogen atoms and 2 oxygen atoms. The monoisotopic mass is 331.1069 Da.
How many compounds have the formula C18H13N5O2?
CompoundList lists 43 compounds with the molecular formula C18H13N5O2, including 4-Imino-3,6-diphenyl-1,3,4,7-tetrahydropyrimido[5,4-d]pyrimidine-2,8-dione, 6-(Pyridin-3-yl)-1-((pyridin-3-yl)methyl)-1H-pyrazolo(3,4-b)pyridine-4-carboxylic acid, 4-[(1-Phenylpyrazolo[3,4-d]pyrimidin-4-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 C18H13N5O2?
C18H13N5O2 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.