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Molecular formula

C21H15N5O2

20 compounds have this formula on CompoundList.

Molar mass
369.38g/mol
Monoisotopic mass
369.1226Da
Atoms
43
Elements
4
Rings plus double bonds
17

The formula C21H15N5O2 describes a molecule made of 21 carbon atoms, 15 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 × 2168.28%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 154.09%
    1.008 × 15 = 15.120 g/mol
  • N Nitrogen × 518.96%
    14.007 × 5 = 70.035 g/mol
  • O Oxygen × 28.66%
    15.999 × 2 = 31.998 g/mol
Look up another formula

Compounds with the formula C21H15N5O2

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

Showing 1 to 20 of 20 compounds

N-[3-(6-Methyl[1,2,4]triazolo[3,4-a]phthalazin-3-yl)phenyl]-2-furamide chemical structure, C21H15N5O2, CAS 585550-10-3
N-[3-(6-Methyl[1,2,4]triazolo[3,4-a]phthalazin-3-yl)phenyl]-2-furamide
CAS 585550-10-3C21H15N5O2
6'-Amino-3'-methyl-2-oxo-1'-phenyl-1,2-dihydro-1'H-spiro[indole-3,4'-pyrano[2,3-c]pyrazole]-5'-carbonitrile chemical structure, C21H15N5O2, CAS 74647-55-5
6'-Amino-3'-methyl-2-oxo-1'-phenyl-1,2-dihydro-1'H-spiro[indole-3,4'-pyrano[2,3-c]pyrazole]-5'-carbonitrile
CAS 74647-55-5C21H15N5O2
1-(5,7-Diphenyl-[1,2,4]triazolo[1,5-a]pyrimidin-2-yl)pyrrolidine-2,5-dione chemical structure, C21H15N5O2, CAS 836640-55-2
1-(5,7-Diphenyl-[1,2,4]triazolo[1,5-a]pyrimidin-2-yl)pyrrolidine-2,5-dione
CAS 836640-55-2C21H15N5O2
Orb1944463 chemical structure, C21H15N5O2, CAS 2871002-89-8
Orb1944463
CAS 2871002-89-8C21H15N5O2
N-(3-Cyanophenyl)-2-[2-(3-phenyl-1,2,4-oxadiazol-5-yl)-1H-pyrrol-1-yl]acetamide chemical structure, C21H15N5O2, CAS 1775455-02-1
N-(3-Cyanophenyl)-2-[2-(3-phenyl-1,2,4-oxadiazol-5-yl)-1H-pyrrol-1-yl]acetamide
CAS 1775455-02-1C21H15N5O2
2-Phenyl-5-[(3-phenyl-1,2,4-oxadiazol-5-yl)methyl]-4H,5H-pyrazolo[1,5-a]pyrazin-4-one chemical structure, C21H15N5O2, CAS 1040670-78-7
2-Phenyl-5-[(3-phenyl-1,2,4-oxadiazol-5-yl)methyl]-4H,5H-pyrazolo[1,5-a]pyrazin-4-one
CAS 1040670-78-7C21H15N5O2
C.I. Disperse Yellow 56 chemical structure, C21H15N5O2, CAS 54077-16-6
C.I. Disperse Yellow 56
CAS 54077-16-6C21H15N5O2
6'-Amino-3'-(4-methylphenyl)-2-oxospiro[1H-indole-3,4'-2H-pyrano[2,3-c]pyrazole]-5'-carbonitrile chemical structure, C21H15N5O2, CAS 674807-34-2
6'-Amino-3'-(4-methylphenyl)-2-oxospiro[1H-indole-3,4'-2H-pyrano[2,3-c]pyrazole]-5'-carbonitrile
CAS 674807-34-2C21H15N5O2
N-(6-(1H-Indol-1-yl)pyrimidin-4-yl)-2-(benzo[d]isoxazol-3-yl)acetamide chemical structure, C21H15N5O2, CAS 1428348-51-9
N-(6-(1H-Indol-1-yl)pyrimidin-4-yl)-2-(benzo[d]isoxazol-3-yl)acetamide
CAS 1428348-51-9C21H15N5O2
1H-Imidazole, 2-[(3-nitrophenyl)azo]-4,5-diphenyl- chemical structure, C21H15N5O2, CAS 91022-01-4
1H-Imidazole, 2-[(3-nitrophenyl)azo]-4,5-diphenyl-
CAS 91022-01-4C21H15N5O2
6-Imino-1-methyl-8-phenyl-3-(pyridin-3-yl)-2,7-dioxabicyclo[3.2.1]octane-4,4,5-tricarbonitrile chemical structure, C21H15N5O2, CAS 1005099-27-3
6-Imino-1-methyl-8-phenyl-3-(pyridin-3-yl)-2,7-dioxabicyclo[3.2.1]octane-4,4,5-tricarbonitrile
CAS 1005099-27-3C21H15N5O2
6-Nitro-1-((2-phenylimidazo[1,2-a]pyridin-3-yl)methyl)-1H-indazole chemical structure, C21H15N5O2, CAS 853701-35-6
6-Nitro-1-((2-phenylimidazo[1,2-a]pyridin-3-yl)methyl)-1H-indazole
CAS 853701-35-6C21H15N5O2
2-Benzyl-8-(3-phenyl-1,2,4-oxadiazol-5-yl)-2H,3H-[1,2,4]triazolo[4,3-a]pyridin-3-one chemical structure, C21H15N5O2, CAS 1190021-31-8
2-Benzyl-8-(3-phenyl-1,2,4-oxadiazol-5-yl)-2H,3H-[1,2,4]triazolo[4,3-a]pyridin-3-one
CAS 1190021-31-8C21H15N5O2
N-(6-(1H-Pyrazol-1-yl)pyrimidin-4-yl)-9H-xanthene-9-carboxamide chemical structure, C21H15N5O2, CAS 1797611-33-6
N-(6-(1H-Pyrazol-1-yl)pyrimidin-4-yl)-9H-xanthene-9-carboxamide
CAS 1797611-33-6C21H15N5O2
N-{2-[(2-Pyridinylcarbonyl)amino]phenyl}-6-quinoxalinecarboxamide chemical structure, C21H15N5O2, CAS 603093-66-9
N-{2-[(2-Pyridinylcarbonyl)amino]phenyl}-6-quinoxalinecarboxamide
CAS 603093-66-9C21H15N5O2
N-[4-(2,2-Dicyanoethenylamino)phenyl]-5-methyl-3-phenyl-1,2-oxazole-4-carboxamide chemical structure, C21H15N5O2, CAS 1024368-24-8
N-[4-(2,2-Dicyanoethenylamino)phenyl]-5-methyl-3-phenyl-1,2-oxazole-4-carboxamide
CAS 1024368-24-8C21H15N5O2
3-(Furan-2-ylmethyl)-2-(2-phenyl-2H-1,2,3-triazol-4-yl)-3,4-dihydroquinazolin-4-one chemical structure, C21H15N5O2, CAS 1803588-51-3
3-(Furan-2-ylmethyl)-2-(2-phenyl-2H-1,2,3-triazol-4-yl)-3,4-dihydroquinazolin-4-one
CAS 1803588-51-3C21H15N5O2
1,5-Diphenyl-4-((2-nitrophenyl)azo)-1H-pyrazole chemical structure, C21H15N5O2, CAS 40640-36-6
1,5-Diphenyl-4-((2-nitrophenyl)azo)-1H-pyrazole
CAS 40640-36-6C21H15N5O2
N-{4-[(2-Pyridinylcarbonyl)amino]phenyl}-6-quinoxalinecarboxamide chemical structure, C21H15N5O2, CAS 603093-67-0
N-{4-[(2-Pyridinylcarbonyl)amino]phenyl}-6-quinoxalinecarboxamide
CAS 603093-67-0C21H15N5O2
5-Quinoxalinecarboxamide,3-[4-[(3-pyridinylcarbonyl)amino]phenyl]- chemical structure, C21H15N5O2, CAS 489458-99-3
5-Quinoxalinecarboxamide,3-[4-[(3-pyridinylcarbonyl)amino]phenyl]-
CAS 489458-99-3C21H15N5O2

Frequently asked questions

What is the molar mass of C21H15N5O2?

The molar mass of C21H15N5O2 is 369.38 g/mol, calculated from standard atomic weights for 21 carbon atoms, 15 hydrogen atoms, 5 nitrogen atoms and 2 oxygen atoms. The monoisotopic mass is 369.1226 Da.

How many compounds have the formula C21H15N5O2?

CompoundList lists 20 compounds with the molecular formula C21H15N5O2, including N-[3-(6-Methyl[1,2,4]triazolo[3,4-a]phthalazin-3-yl)phenyl]-2-furamide, 6'-Amino-3'-methyl-2-oxo-1'-phenyl-1,2-dihydro-1'H-spiro[indole-3,4'-pyrano[2,3-c]pyrazole]-5'-carbonitrile, 1-(5,7-Diphenyl-[1,2,4]triazolo[1,5-a]pyrimidin-2-yl)pyrrolidine-2,5-dione. 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 C21H15N5O2?

C21H15N5O2 has a degree of unsaturation of 17. 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.