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Molecular formula

C21H15NO5

34 compounds have this formula on CompoundList.

Molar mass
361.35g/mol
Monoisotopic mass
361.0950Da
Atoms
42
Elements
4
Rings plus double bonds
15

The formula C21H15NO5 describes a molecule made of 21 carbon atoms, 15 hydrogen atoms, 1 nitrogen atom and 5 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 × 2169.80%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 154.18%
    1.008 × 15 = 15.120 g/mol
  • N Nitrogen × 13.88%
    14.007 × 1 = 14.007 g/mol
  • O Oxygen × 522.14%
    15.999 × 5 = 79.995 g/mol
Look up another formula

Compounds with the formula C21H15NO5

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

Showing 1 to 34 of 34 compounds

2-(3-Hydroxyphenyl)-5-(2-methoxyphenoxy)isoindole-1,3-dione chemical structure, C21H15NO5, CAS 431937-53-0
2-(3-Hydroxyphenyl)-5-(2-methoxyphenoxy)isoindole-1,3-dione
CAS 431937-53-0C21H15NO5
N-(2-Methoxydibenzofuran-3-yl)-1,3-benzodioxole-5-carboxamide chemical structure, C21H15NO5, CAS 693233-15-7
N-(2-Methoxydibenzofuran-3-yl)-1,3-benzodioxole-5-carboxamide
CAS 693233-15-7C21H15NO5
9,10-Anthracenedione, 1-amino-4-hydroxy-2-(4-methoxyphenoxy)- chemical structure, C21H15NO5, CAS 54243-60-6
9,10-Anthracenedione, 1-amino-4-hydroxy-2-(4-methoxyphenoxy)-
CAS 54243-60-6C21H15NO5
N-(3-(3-Methoxyphenyl)-4-oxo-4H-chromen-2-yl)furan-2-carboxamide chemical structure, C21H15NO5, CAS 865281-51-2
N-(3-(3-Methoxyphenyl)-4-oxo-4H-chromen-2-yl)furan-2-carboxamide
CAS 865281-51-2C21H15NO5
5-(Aminomethyl)fluorescein chemical structure, C21H15NO5, CAS 138588-53-1
5-(Aminomethyl)fluorescein
CAS 138588-53-1C21H15NO5
N-(3-(4-Methoxyphenyl)-4-oxo-4H-chromen-2-yl)furan-2-carboxamide chemical structure, C21H15NO5, CAS 900892-43-5
N-(3-(4-Methoxyphenyl)-4-oxo-4H-chromen-2-yl)furan-2-carboxamide
CAS 900892-43-5C21H15NO5
2-((2-Carboxy(phenyl)anilino)carbonyl)benzoic acid chemical structure, C21H15NO5, CAS 350255-17-3
2-((2-Carboxy(phenyl)anilino)carbonyl)benzoic acid
CAS 350255-17-3C21H15NO5
N-[2-(4-Methoxybenzoyl)-1-benzofuran-3-yl]furan-2-carboxamide chemical structure, C21H15NO5, CAS 381169-61-5
N-[2-(4-Methoxybenzoyl)-1-benzofuran-3-yl]furan-2-carboxamide
CAS 381169-61-5C21H15NO5
4'-(Aminomethyl)-3',6'-dihydroxy-3H-spiro[isobenzofuran-1,9'-xanthen]-3-one chemical structure, C21H15NO5, CAS 106754-95-4
4'-(Aminomethyl)-3',6'-dihydroxy-3H-spiro[isobenzofuran-1,9'-xanthen]-3-one
CAS 106754-95-4C21H15NO5
7-Methoxy-N-(2-oxo-2H-chromen-7-yl)-1-benzoxepine-4-carboxamide chemical structure, C21H15NO5, CAS 950335-97-4
7-Methoxy-N-(2-oxo-2H-chromen-7-yl)-1-benzoxepine-4-carboxamide
CAS 950335-97-4C21H15NO5
6-(Aminomethyl)fluorescein chemical structure, C21H15NO5, CAS 138588-54-2
6-(Aminomethyl)fluorescein
CAS 138588-54-2C21H15NO5
Methyl 4-((1,3-dioxoisoindolin-2-yl)methyl)-3-hydroxy-2-naphthoate chemical structure, C21H15NO5, CAS 695198-47-1
Methyl 4-((1,3-dioxoisoindolin-2-yl)methyl)-3-hydroxy-2-naphthoate
CAS 695198-47-1C21H15NO5
[2-(4-Nitrophenyl)-2-oxoethyl] 2-phenylbenzoate chemical structure, C21H15NO5, CAS 333326-36-6
[2-(4-Nitrophenyl)-2-oxoethyl] 2-phenylbenzoate
CAS 333326-36-6C21H15NO5
N-[2-(3-Methoxybenzoyl)-1-benzofuran-3-yl]furan-2-carboxamide chemical structure, C21H15NO5, CAS 824955-82-0
N-[2-(3-Methoxybenzoyl)-1-benzofuran-3-yl]furan-2-carboxamide
CAS 824955-82-0C21H15NO5
2-[4-(7-Methoxybenzo[d]furan-2-yl)-7-methyl-2-oxochromen-6-yloxy]ethanenitrile chemical structure, C21H15NO5, CAS 898430-35-8
2-[4-(7-Methoxybenzo[d]furan-2-yl)-7-methyl-2-oxochromen-6-yloxy]ethanenitrile
CAS 898430-35-8C21H15NO5
[2-(3-Nitrophenyl)-2-oxoethyl] 2-phenylbenzoate chemical structure, C21H15NO5, CAS 354990-98-0
[2-(3-Nitrophenyl)-2-oxoethyl] 2-phenylbenzoate
CAS 354990-98-0C21H15NO5
Ethyl 2,3-dihydro-2-(3-hydroxy-2-quinolyl)-1,3-dioxo-1H-indene-5-carboxylate chemical structure, C21H15NO5, CAS 57258-90-9
Ethyl 2,3-dihydro-2-(3-hydroxy-2-quinolyl)-1,3-dioxo-1H-indene-5-carboxylate
CAS 57258-90-9C21H15NO5
2-[4-(Benzoyloxy)phenyl]-2-oxoethyl nicotinate chemical structure, C21H15NO5, CAS 524045-19-0
2-[4-(Benzoyloxy)phenyl]-2-oxoethyl nicotinate
CAS 524045-19-0C21H15NO5
N-[2-(4-Methoxyphenyl)-4-oxo-4H-chromen-6-yl]furan-2-carboxamide chemical structure, C21H15NO5, CAS 923250-64-0
N-[2-(4-Methoxyphenyl)-4-oxo-4H-chromen-6-yl]furan-2-carboxamide
CAS 923250-64-0C21H15NO5
N-[2-(2-Methoxyphenyl)-4-oxo-4H-chromen-6-yl]furan-2-carboxamide chemical structure, C21H15NO5, CAS 923179-84-4
N-[2-(2-Methoxyphenyl)-4-oxo-4H-chromen-6-yl]furan-2-carboxamide
CAS 923179-84-4C21H15NO5
2'-(Benzo[d][1,3]dioxol-5-ylcarbamoyl)-[1,1'-biphenyl]-2-carboxylic acid chemical structure, C21H15NO5, CAS 1226436-76-5
2'-(Benzo[d][1,3]dioxol-5-ylcarbamoyl)-[1,1'-biphenyl]-2-carboxylic acid
CAS 1226436-76-5C21H15NO5
1,5,8-Trihydroxy-2-(4-methylanilino)anthracene-9,10-dione chemical structure, C21H15NO5, CAS 61548-23-0
1,5,8-Trihydroxy-2-(4-methylanilino)anthracene-9,10-dione
CAS 61548-23-0C21H15NO5
(9H-Fluoren-9-yl)methyl 4-nitrophenyl carbonate chemical structure, C21H15NO5, CAS 67827-10-5
(9H-Fluoren-9-yl)methyl 4-nitrophenyl carbonate
CAS 67827-10-5C21H15NO5
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 3-(naphthalen-2-yloxy)propanoate chemical structure, C21H15NO5, CAS 2248340-98-7
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 3-(naphthalen-2-yloxy)propanoate
CAS 2248340-98-7C21H15NO5

Frequently asked questions

What is the molar mass of C21H15NO5?

The molar mass of C21H15NO5 is 361.35 g/mol, calculated from standard atomic weights for 21 carbon atoms, 15 hydrogen atoms, 1 nitrogen atom and 5 oxygen atoms. The monoisotopic mass is 361.0950 Da.

How many compounds have the formula C21H15NO5?

CompoundList lists 34 compounds with the molecular formula C21H15NO5, including 2-(3-Hydroxyphenyl)-5-(2-methoxyphenoxy)isoindole-1,3-dione, N-(2-Methoxydibenzofuran-3-yl)-1,3-benzodioxole-5-carboxamide, 9,10-Anthracenedione, 1-amino-4-hydroxy-2-(4-methoxyphenoxy)-. 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 C21H15NO5?

C21H15NO5 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.