CompoundList
Molecular formula

C21H15N3O3

65 compounds have this formula on CompoundList.

Molar mass
357.37g/mol
Monoisotopic mass
357.1113Da
Atoms
42
Elements
4
Rings plus double bonds
16

The formula C21H15N3O3 describes a molecule made of 21 carbon atoms, 15 hydrogen atoms, 3 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 × 2170.58%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 154.23%
    1.008 × 15 = 15.120 g/mol
  • N Nitrogen × 311.76%
    14.007 × 3 = 42.021 g/mol
  • O Oxygen × 313.43%
    15.999 × 3 = 47.997 g/mol
Look up another formula

Compounds with the formula C21H15N3O3

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

Showing 1 to 65 of 65 compounds

2,4,6-Triphenoxy-s-triazine chemical structure, C21H15N3O3, CAS 1919-48-8
2,4,6-Triphenoxy-s-triazine
CAS 1919-48-8C21H15N3O3
9-Fluorenylmethyl 1-benzotriazolyl carbonate chemical structure, C21H15N3O3, CAS 82911-71-5
9-Fluorenylmethyl 1-benzotriazolyl carbonate
CAS 82911-71-5C21H15N3O3
4-(1,3,4-Oxadiazol-2-yl)phenyl diphenylcarbamate chemical structure, C21H15N3O3, CAS 691398-65-9
4-(1,3,4-Oxadiazol-2-yl)phenyl diphenylcarbamate
CAS 691398-65-9C21H15N3O3
[2-(1H-Indol-3-yl)-2-oxo-1-phenylethyl] pyrazine-2-carboxylate chemical structure, C21H15N3O3, CAS 876546-69-9
[2-(1H-Indol-3-yl)-2-oxo-1-phenylethyl] pyrazine-2-carboxylate
CAS 876546-69-9C21H15N3O3
1,3,5-Triphenyl-1,3,5-triazine-2,4,6(1H,3H,5H)-trione chemical structure, C21H15N3O3, CAS 1785-02-0
1,3,5-Triphenyl-1,3,5-triazine-2,4,6(1H,3H,5H)-trione
CAS 1785-02-0C21H15N3O3
2-({2-Phenylimidazo[1,2-A]pyridin-3-YL}carbamoyl)benzoic acid chemical structure, C21H15N3O3, CAS 361180-12-3
2-({2-Phenylimidazo[1,2-A]pyridin-3-YL}carbamoyl)benzoic acid
CAS 361180-12-3C21H15N3O3
3-Hydroxy-N'-((2-oxo-1,2-dihydro-3-quinolinyl)methylene)-2-naphthohydrazide chemical structure, C21H15N3O3, CAS 765909-95-3
3-Hydroxy-N'-((2-oxo-1,2-dihydro-3-quinolinyl)methylene)-2-naphthohydrazide
CAS 765909-95-3C21H15N3O3
2-(4-Methylphenyl)-3-(3-nitrophenyl)quinazolin-4-one chemical structure, C21H15N3O3, CAS 378753-54-9
2-(4-Methylphenyl)-3-(3-nitrophenyl)quinazolin-4-one
CAS 378753-54-9C21H15N3O3
2-Benzyl-3-(3-nitrophenyl)quinazolin-4-one chemical structure, C21H15N3O3, CAS 6387-37-7
2-Benzyl-3-(3-nitrophenyl)quinazolin-4-one
CAS 6387-37-7C21H15N3O3
(E)-N-[4-[5-(Furan-2-yl)-1,3,4-oxadiazol-2-yl]phenyl]-3-phenylprop-2-enamide chemical structure, C21H15N3O3, CAS 380159-09-1
(E)-N-[4-[5-(Furan-2-yl)-1,3,4-oxadiazol-2-yl]phenyl]-3-phenylprop-2-enamide
CAS 380159-09-1C21H15N3O3
4-(1,3-Dioxoisoindol-2-yl)-N-(5-methylpyridin-2-yl)benzamide chemical structure, C21H15N3O3, CAS 674803-47-5
4-(1,3-Dioxoisoindol-2-yl)-N-(5-methylpyridin-2-yl)benzamide
CAS 674803-47-5C21H15N3O3
N-(4-Imidazo[1,2-a]pyridin-2-ylphenyl)-1,3-benzodioxole-5-carboxamide chemical structure, C21H15N3O3, CAS 887198-19-8
N-(4-Imidazo[1,2-a]pyridin-2-ylphenyl)-1,3-benzodioxole-5-carboxamide
CAS 887198-19-8C21H15N3O3
2-Quinoxalinecarboxamide, N,3-diphenyl-, 1,4-dioxide chemical structure, C21H15N3O3, CAS 104705-39-7
2-Quinoxalinecarboxamide, N,3-diphenyl-, 1,4-dioxide
CAS 104705-39-7C21H15N3O3
(Z)-4-(4-((1H-Pyrrol-2-yl)methylene)-5-oxo-3-phenyl-4,5-dihydro-1H-pyrazol-1-yl)benzoic acid chemical structure, C21H15N3O3, CAS 3034769-78-0
(Z)-4-(4-((1H-Pyrrol-2-yl)methylene)-5-oxo-3-phenyl-4,5-dihydro-1H-pyrazol-1-yl)benzoic acid
CAS 3034769-78-0C21H15N3O3
Benzoic acid, 4-((4-(aminocarbonyl)-9-acridinyl)amino)- chemical structure, C21H15N3O3, CAS 64894-96-8
Benzoic acid, 4-((4-(aminocarbonyl)-9-acridinyl)amino)-
CAS 64894-96-8C21H15N3O3
6-Methoxy-2-(4-nitrophenyl)-4-phenylquinazoline chemical structure, C21H15N3O3, CAS 313259-30-2
6-Methoxy-2-(4-nitrophenyl)-4-phenylquinazoline
CAS 313259-30-2C21H15N3O3
6-(Naphthalen-1-yl)-2-(4-nitrobenzyl)pyridazin-3(2H)-one chemical structure, C21H15N3O3, CAS 899990-54-6
6-(Naphthalen-1-yl)-2-(4-nitrobenzyl)pyridazin-3(2H)-one
CAS 899990-54-6C21H15N3O3
(4-Oxo-1,2,3-benzotriazin-3-yl)methyl 4-phenylbenzoate chemical structure, C21H15N3O3, CAS 452938-20-4
(4-Oxo-1,2,3-benzotriazin-3-yl)methyl 4-phenylbenzoate
CAS 452938-20-4C21H15N3O3
4,4',4''-(1,3,5-Triazine-2,4,6-triyl)triphenol chemical structure, C21H15N3O3, CAS 7753-13-1
4,4',4''-(1,3,5-Triazine-2,4,6-triyl)triphenol
CAS 7753-13-1C21H15N3O3
N-(4-Phenoxyphenyl)-5-phenyl-1,2,4-oxadiazole-3-carboxamide chemical structure, C21H15N3O3, CAS 400084-42-6
N-(4-Phenoxyphenyl)-5-phenyl-1,2,4-oxadiazole-3-carboxamide
CAS 400084-42-6C21H15N3O3
4-(1,3-Dioxoisoindol-2-yl)-N-(6-methylpyridin-2-yl)benzamide chemical structure, C21H15N3O3, CAS 674803-48-6
4-(1,3-Dioxoisoindol-2-yl)-N-(6-methylpyridin-2-yl)benzamide
CAS 674803-48-6C21H15N3O3
2-Benzyl-3-(4-nitrophenyl)quinazolin-4-one chemical structure, C21H15N3O3, CAS 201293-05-2
2-Benzyl-3-(4-nitrophenyl)quinazolin-4-one
CAS 201293-05-2C21H15N3O3
(3Z)-3-(Benzoylhydrazinylidene)benzo[f]chromene-2-carboxamide chemical structure, C21H15N3O3, CAS 329786-48-3
(3Z)-3-(Benzoylhydrazinylidene)benzo[f]chromene-2-carboxamide
CAS 329786-48-3C21H15N3O3
3-(1,3,4-Oxadiazol-2-yl)phenyl diphenylcarbamate chemical structure, C21H15N3O3, CAS 838886-82-1
3-(1,3,4-Oxadiazol-2-yl)phenyl diphenylcarbamate
CAS 838886-82-1C21H15N3O3

Frequently asked questions

What is the molar mass of C21H15N3O3?

The molar mass of C21H15N3O3 is 357.37 g/mol, calculated from standard atomic weights for 21 carbon atoms, 15 hydrogen atoms, 3 nitrogen atoms and 3 oxygen atoms. The monoisotopic mass is 357.1113 Da.

How many compounds have the formula C21H15N3O3?

CompoundList lists 65 compounds with the molecular formula C21H15N3O3, including 2,4,6-Triphenoxy-s-triazine, 9-Fluorenylmethyl 1-benzotriazolyl carbonate, 4-(1,3,4-Oxadiazol-2-yl)phenyl diphenylcarbamate. 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 C21H15N3O3?

C21H15N3O3 has a degree of unsaturation of 16. 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.