CompoundList
Sign in
Molecular formula

C21H14N2O5

40 compounds have this formula on CompoundList.

Molar mass
374.35g/mol
Monoisotopic mass
374.0903Da
Atoms
42
Elements
4
Rings plus double bonds
16

The formula C21H14N2O5 describes a molecule made of 21 carbon atoms, 14 hydrogen atoms, 2 nitrogen atoms 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 × 2167.38%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 143.77%
    1.008 × 14 = 14.112 g/mol
  • N Nitrogen × 27.48%
    14.007 × 2 = 28.014 g/mol
  • O Oxygen × 521.37%
    15.999 × 5 = 79.995 g/mol
Look up another formula

Compounds with the formula C21H14N2O5

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

Showing 1 to 40 of 40 compounds

(4Z)-4-[[5-(4-Methyl-2-nitrophenyl)furan-2-yl]methylidene]-3-phenyl-1,2-oxazol-5-one chemical structure, C21H14N2O5, CAS 1164517-32-1
(4Z)-4-[[5-(4-Methyl-2-nitrophenyl)furan-2-yl]methylidene]-3-phenyl-1,2-oxazol-5-one
CAS 1164517-32-1C21H14N2O5
STO-609 acetate chemical structure, C21H14N2O5, CAS 1173022-21-3
STO-609 acetate
CAS 1173022-21-3C21H14N2O5
N-(4-Methyl-5-oxochromeno[4,3-b]pyridin-2-yl)-1,3-benzodioxole-5-carboxamide chemical structure, C21H14N2O5, CAS 851411-52-4
N-(4-Methyl-5-oxochromeno[4,3-b]pyridin-2-yl)-1,3-benzodioxole-5-carboxamide
CAS 851411-52-4C21H14N2O5
N-(1,3-Benzodioxol-5-yl)-2-(1,3-dioxobenzo[de]isoquinolin-2-yl)acetamide chemical structure, C21H14N2O5, CAS 433701-52-1
N-(1,3-Benzodioxol-5-yl)-2-(1,3-dioxobenzo[de]isoquinolin-2-yl)acetamide
CAS 433701-52-1C21H14N2O5
4-(3-Amino-6-imino-xanthen-9-yl)benzene-1,3-dicarboxylic acid chemical structure, C21H14N2O5, CAS 116763-35-0
4-(3-Amino-6-imino-xanthen-9-yl)benzene-1,3-dicarboxylic acid
CAS 116763-35-0C21H14N2O5
6-Methyl-2-[3-(4-nitrophenoxy)phenyl]-3,1-benzoxazin-4-one chemical structure, C21H14N2O5, CAS 328282-35-5
6-Methyl-2-[3-(4-nitrophenoxy)phenyl]-3,1-benzoxazin-4-one
CAS 328282-35-5C21H14N2O5
Methyl 4-(2-amino-3-cyano-5-oxo-4H-pyrano[3,2-c]chromen-4-yl)benzoate chemical structure, C21H14N2O5, CAS 361372-32-9
Methyl 4-(2-amino-3-cyano-5-oxo-4H-pyrano[3,2-c]chromen-4-yl)benzoate
CAS 361372-32-9C21H14N2O5
(Z)-6-((4-Nitrobenzyl)oxy)-2-(pyridin-4-ylmethylene)benzofuran-3(2H)-one chemical structure, C21H14N2O5, CAS 622802-38-4
(Z)-6-((4-Nitrobenzyl)oxy)-2-(pyridin-4-ylmethylene)benzofuran-3(2H)-one
CAS 622802-38-4C21H14N2O5
(Z)-6-((4-Nitrobenzyl)oxy)-2-(pyridin-3-ylmethylene)benzofuran-3(2H)-one chemical structure, C21H14N2O5, CAS 622801-64-3
(Z)-6-((4-Nitrobenzyl)oxy)-2-(pyridin-3-ylmethylene)benzofuran-3(2H)-one
CAS 622801-64-3C21H14N2O5
6-Methyl-2-[4-(4-nitrophenoxy)phenyl]-3,1-benzoxazin-4-one chemical structure, C21H14N2O5, CAS 328013-34-9
6-Methyl-2-[4-(4-nitrophenoxy)phenyl]-3,1-benzoxazin-4-one
CAS 328013-34-9C21H14N2O5
N-Benzoyl-3-(2-furoyl)-2-oxindole-1-carboxamide chemical structure, C21H14N2O5, CAS 100487-29-4
N-Benzoyl-3-(2-furoyl)-2-oxindole-1-carboxamide
CAS 100487-29-4C21H14N2O5
5-(4-Aminophenoxy)-2-(1,3-benzodioxol-5-yl)-1H-isoindole-1,3(2H)-dione chemical structure, C21H14N2O5, CAS 1172349-47-1
5-(4-Aminophenoxy)-2-(1,3-benzodioxol-5-yl)-1H-isoindole-1,3(2H)-dione
CAS 1172349-47-1C21H14N2O5
N-{10-Oxo-2-oxa-9-azatricyclo[9.4.0.0^{3,8}]pentadeca-1(11),3(8),4,6,12,14-hexaen-13-yl}-2H-1,3-benzodioxole-5-carboxamide chemical structure, C21H14N2O5, CAS 921891-16-9
N-{10-Oxo-2-oxa-9-azatricyclo[9.4.0.0^{3,8}]pentadeca-1(11),3(8),4,6,12,14-hexaen-13-yl}-2H-1,3-benzodioxole-5-carboxamide
CAS 921891-16-9C21H14N2O5
2-(3-Amino-6-imino-xanthen-9-yl)terephthalic acid chemical structure, C21H14N2O5, CAS 116763-30-5
2-(3-Amino-6-imino-xanthen-9-yl)terephthalic acid
CAS 116763-30-5C21H14N2O5
3',6'-Diamino-3-oxo-3H-spiro[isobenzofuran-1,9'-xanthene]-6-carboxylic acid chemical structure, C21H14N2O5, CAS 831200-56-7
3',6'-Diamino-3-oxo-3H-spiro[isobenzofuran-1,9'-xanthene]-6-carboxylic acid
CAS 831200-56-7C21H14N2O5
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 6-methyl-2-oxo-5-phenyl-1,2-dihydropyridine-3-carboxylate chemical structure, C21H14N2O5, CAS 2248417-21-0
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 6-methyl-2-oxo-5-phenyl-1,2-dihydropyridine-3-carboxylate
CAS 2248417-21-0C21H14N2O5
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 5-(3-methylphenoxy)pyridine-2-carboxylate chemical structure, C21H14N2O5, CAS 2248393-27-1
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 5-(3-methylphenoxy)pyridine-2-carboxylate
CAS 2248393-27-1C21H14N2O5
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2-(benzyloxy)pyridine-4-carboxylate chemical structure, C21H14N2O5, CAS 2248385-13-7
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2-(benzyloxy)pyridine-4-carboxylate
CAS 2248385-13-7C21H14N2O5
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 1-benzyl-2-oxo-1,2-dihydropyridine-3-carboxylate chemical structure, C21H14N2O5, CAS 2248338-36-3
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 1-benzyl-2-oxo-1,2-dihydropyridine-3-carboxylate
CAS 2248338-36-3C21H14N2O5
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2-[(pyridin-3-yl)methoxy]benzoate chemical structure, C21H14N2O5, CAS 2248400-14-6
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2-[(pyridin-3-yl)methoxy]benzoate
CAS 2248400-14-6C21H14N2O5
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 4-[(pyridin-2-yl)methoxy]benzoate chemical structure, C21H14N2O5, CAS 2248341-40-2
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 4-[(pyridin-2-yl)methoxy]benzoate
CAS 2248341-40-2C21H14N2O5
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2-[(pyridin-4-yl)methoxy]benzoate chemical structure, C21H14N2O5, CAS 2248311-02-4
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2-[(pyridin-4-yl)methoxy]benzoate
CAS 2248311-02-4C21H14N2O5
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 4-[(5-methylpyridin-2-yl)oxy]benzoate chemical structure, C21H14N2O5, CAS 2248399-33-7
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 4-[(5-methylpyridin-2-yl)oxy]benzoate
CAS 2248399-33-7C21H14N2O5
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 4-[(4-methylpyridin-2-yl)oxy]benzoate chemical structure, C21H14N2O5, CAS 2248390-59-0
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 4-[(4-methylpyridin-2-yl)oxy]benzoate
CAS 2248390-59-0C21H14N2O5

Frequently asked questions

What is the molar mass of C21H14N2O5?

The molar mass of C21H14N2O5 is 374.35 g/mol, calculated from standard atomic weights for 21 carbon atoms, 14 hydrogen atoms, 2 nitrogen atoms and 5 oxygen atoms. The monoisotopic mass is 374.0903 Da.

How many compounds have the formula C21H14N2O5?

CompoundList lists 40 compounds with the molecular formula C21H14N2O5, including (4Z)-4-[[5-(4-Methyl-2-nitrophenyl)furan-2-yl]methylidene]-3-phenyl-1,2-oxazol-5-one, STO-609 acetate, N-(4-Methyl-5-oxochromeno[4,3-b]pyridin-2-yl)-1,3-benzodioxole-5-carboxamide. 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 C21H14N2O5?

C21H14N2O5 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.