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Molecular formula

C13H8N4O3

30 compounds have this formula on CompoundList.

Molar mass
268.23g/mol
Monoisotopic mass
268.0596Da
Atoms
28
Elements
4
Rings plus double bonds
12

The formula C13H8N4O3 describes a molecule made of 13 carbon atoms, 8 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 × 1358.21%
    12.011 × 13 = 156.143 g/mol
  • H Hydrogen × 83.01%
    1.008 × 8 = 8.064 g/mol
  • N Nitrogen × 420.89%
    14.007 × 4 = 56.028 g/mol
  • O Oxygen × 317.89%
    15.999 × 3 = 47.997 g/mol
Look up another formula

Compounds with the formula C13H8N4O3

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

Showing 1 to 30 of 30 compounds

Tyrphostin 51 chemical structure, C13H8N4O3, CAS 126433-07-6
Tyrphostin 51
CAS 126433-07-6C13H8N4O3
1-(4-Nitrobenzoyl)-1H-benzotriazole chemical structure, C13H8N4O3, CAS 4231-71-4
1-(4-Nitrobenzoyl)-1H-benzotriazole
CAS 4231-71-4C13H8N4O3
Benzotriazol-1-YL-(3-nitro-phenyl)-methanone chemical structure, C13H8N4O3, CAS 92133-97-6
Benzotriazol-1-YL-(3-nitro-phenyl)-methanone
CAS 92133-97-6C13H8N4O3
5-(3-Nitrophenyl)-3-(2-pyridyl)-1,2,4-oxadiazole chemical structure, C13H8N4O3, CAS 5799-85-9
5-(3-Nitrophenyl)-3-(2-pyridyl)-1,2,4-oxadiazole
CAS 5799-85-9C13H8N4O3
4-[5-(3-Nitrophenyl)[1,2,4]oxadiazol-3-yl]pyridine chemical structure, C13H8N4O3, CAS 380581-06-6
4-[5-(3-Nitrophenyl)[1,2,4]oxadiazol-3-yl]pyridine
CAS 380581-06-6C13H8N4O3
5-(4-Nitrophenyl)-3-pyridin-4-yl-1,2,4-oxadiazole chemical structure, C13H8N4O3, CAS 364627-74-7
5-(4-Nitrophenyl)-3-pyridin-4-yl-1,2,4-oxadiazole
CAS 364627-74-7C13H8N4O3
5-(4-Nitrophenyl)-3-(3-pyridyl)-1,2,4-oxadiazole chemical structure, C13H8N4O3, CAS 330656-00-3
5-(4-Nitrophenyl)-3-(3-pyridyl)-1,2,4-oxadiazole
CAS 330656-00-3C13H8N4O3
3-[5-(2-Nitrophenyl)[1,2,4]oxadiazol-3-yl]pyridine chemical structure, C13H8N4O3, CAS 352642-86-5
3-[5-(2-Nitrophenyl)[1,2,4]oxadiazol-3-yl]pyridine
CAS 352642-86-5C13H8N4O3
5-(3-Nitrophenyl)-3-(pyridin-3-yl)-1,2,4-oxadiazole chemical structure, C13H8N4O3, CAS 352650-18-1
5-(3-Nitrophenyl)-3-(pyridin-3-yl)-1,2,4-oxadiazole
CAS 352650-18-1C13H8N4O3
RefChem:357248 chemical structure, C13H8N4O3, CAS 27222-99-7
RefChem:357248
CAS 27222-99-7C13H8N4O3
1-(2-Nitrobenzoyl)-1H-1,2,3-benzotriazole chemical structure, C13H8N4O3, CAS 326901-36-4
1-(2-Nitrobenzoyl)-1H-1,2,3-benzotriazole
CAS 326901-36-4C13H8N4O3
5-(4-Nitrophenyl)-3-(2-pyridyl)-1,2,4-oxadiazole chemical structure, C13H8N4O3, CAS 381713-06-0
5-(4-Nitrophenyl)-3-(2-pyridyl)-1,2,4-oxadiazole
CAS 381713-06-0C13H8N4O3
5-(Quinoxalin-5-ylmethylene)pyrimidine-2,4,6(1H,3H,5H)-trione chemical structure, C13H8N4O3, CAS 941913-28-6
5-(Quinoxalin-5-ylmethylene)pyrimidine-2,4,6(1H,3H,5H)-trione
CAS 941913-28-6C13H8N4O3
6H-[1]Benzopyrano[4,3-d]pyrazolo[1,5-a]pyrimidin-6-one,7,9-dihydro-10-hydroxy-7-imino- chemical structure, C13H8N4O3, CAS 946828-81-5
6H-[1]Benzopyrano[4,3-d]pyrazolo[1,5-a]pyrimidin-6-one,7,9-dihydro-10-hydroxy-7-imino-
CAS 946828-81-5C13H8N4O3
Imidazo(1,2-a)pyridine, 2-(p-nitrophenyl)-3-nitroso- chemical structure, C13H8N4O3, CAS 3323-01-1
Imidazo(1,2-a)pyridine, 2-(p-nitrophenyl)-3-nitroso-
CAS 3323-01-1C13H8N4O3
3-[5-(3-Nitrophenyl)-1,3,4-oxadiazol-2-yl]pyridine chemical structure, C13H8N4O3, CAS 145731-85-7
3-[5-(3-Nitrophenyl)-1,3,4-oxadiazol-2-yl]pyridine
CAS 145731-85-7C13H8N4O3
3-(Benzo[d][1,3]dioxol-5-yl)-5-(pyrazin-2-yl)-1,2,4-oxadiazole chemical structure, C13H8N4O3, CAS 889955-42-4
3-(Benzo[d][1,3]dioxol-5-yl)-5-(pyrazin-2-yl)-1,2,4-oxadiazole
CAS 889955-42-4C13H8N4O3
3-[5-(4-Nitrophenyl)-1,3,4-oxadiazol-2-yl]pyridine chemical structure, C13H8N4O3, CAS 56352-95-5
3-[5-(4-Nitrophenyl)-1,3,4-oxadiazol-2-yl]pyridine
CAS 56352-95-5C13H8N4O3
3-(4-Nitrophenyl)-1,2,3-benzotriazin-4(3H)-one chemical structure, C13H8N4O3, CAS 29980-76-5
3-(4-Nitrophenyl)-1,2,3-benzotriazin-4(3H)-one
CAS 29980-76-5C13H8N4O3
(E)-1-(4-Isocyanatophenyl)-2-(4-nitrophenyl)diazene chemical structure, C13H8N4O3, CAS 157190-96-0
(E)-1-(4-Isocyanatophenyl)-2-(4-nitrophenyl)diazene
CAS 157190-96-0C13H8N4O3
5-[(Quinoxalin-6-yl)methylidene]-1,3-diazinane-2,4,6-trione chemical structure, C13H8N4O3, CAS 941905-58-4
5-[(Quinoxalin-6-yl)methylidene]-1,3-diazinane-2,4,6-trione
CAS 941905-58-4C13H8N4O3
Methanone, (2-azido-5-nitrophenyl)phenyl- chemical structure, C13H8N4O3, CAS 53879-06-4
Methanone, (2-azido-5-nitrophenyl)phenyl-
CAS 53879-06-4C13H8N4O3
3-(3-Nitrophenyl)-1,2,3-benzotriazin-4(3H)-one chemical structure, C13H8N4O3, CAS 29980-75-4
3-(3-Nitrophenyl)-1,2,3-benzotriazin-4(3H)-one
CAS 29980-75-4C13H8N4O3
3-[3-(3-Nitrophenyl)[1,2,4]oxadiazol-5-yl]pyridine chemical structure, C13H8N4O3, CAS 884625-68-7
3-[3-(3-Nitrophenyl)[1,2,4]oxadiazol-5-yl]pyridine
CAS 884625-68-7C13H8N4O3

Frequently asked questions

What is the molar mass of C13H8N4O3?

The molar mass of C13H8N4O3 is 268.23 g/mol, calculated from standard atomic weights for 13 carbon atoms, 8 hydrogen atoms, 4 nitrogen atoms and 3 oxygen atoms. The monoisotopic mass is 268.0596 Da.

How many compounds have the formula C13H8N4O3?

CompoundList lists 30 compounds with the molecular formula C13H8N4O3, including Tyrphostin 51, 1-(4-Nitrobenzoyl)-1H-benzotriazole, Benzotriazol-1-YL-(3-nitro-phenyl)-methanone. 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 C13H8N4O3?

C13H8N4O3 has a degree of unsaturation of 12. 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.