Molecular formula

C₂₁H₁₆N₂O₄

120 compounds have this formula on CompoundList.

Molar mass: 360.37g/mol
Monoisotopic mass: 360.1110Da
Atoms: 43
Elements: 4
Rings plus double bonds: 15

The formula C21H16N2O4 describes a molecule made of 21 carbon atoms, 16 hydrogen atoms, 2 nitrogen atoms and 4 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 × 2169.99%
12.011 × 21 = 252.231 g/mol
H Hydrogen × 164.48%
1.008 × 16 = 16.128 g/mol
N Nitrogen × 27.77%
14.007 × 2 = 28.014 g/mol
O Oxygen × 417.76%
15.999 × 4 = 63.996 g/mol

Look up another formula

Compounds with the formula C21H16N2O4

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

Showing 101 to 120 of 120 compounds

1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2-ethyl-3-methylquinoline-4-carboxylate

CAS 2248405-21-0C₂₁H₁₆N₂O₄

1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 1-benzyl-2-methyl-1H-pyrrole-3-carboxylate

CAS 2248295-02-3C₂₁H₁₆N₂O₄

1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2-ethyl-4-methylquinoline-3-carboxylate

CAS 2248306-54-7C₂₁H₁₆N₂O₄

1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 3-phenyl-3-(1H-pyrrol-1-yl)propanoate

CAS 2248352-47-6C₂₁H₁₆N₂O₄

1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2,3,4,9-tetrahydro-1H-carbazole-8-carboxylate

CAS 2248374-60-7C₂₁H₁₆N₂O₄

1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2,3,4,9-tetrahydro-1H-carbazole-6-carboxylate

CAS 2248362-36-7C₂₁H₁₆N₂O₄

1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 1-methyl-5-(3-methylphenyl)-1H-pyrrole-2-carboxylate

CAS 2248310-26-9C₂₁H₁₆N₂O₄

1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 3-(5-phenyl-1H-pyrrol-2-yl)propanoate

CAS 2248416-37-5C₂₁H₁₆N₂O₄

1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2-(2,4-dimethylquinolin-3-yl)acetate

CAS 2248342-64-3C₂₁H₁₆N₂O₄

1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 6-(dimethylamino)naphthalene-2-carboxylate

CAS 2248307-63-1C₂₁H₁₆N₂O₄

1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 1-(4-cyanophenyl)cyclopentane-1-carboxylate

CAS 2248323-17-1C₂₁H₁₆N₂O₄

1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2,5-dimethyl-1-phenyl-1H-pyrrole-3-carboxylate

CAS 2248340-90-9C₂₁H₁₆N₂O₄

Benzyl N-[3-(1,3-benzoxazol-2-yl)-4-hydroxyphenyl]carbamate

CAS 2680715-51-7C₂₁H₁₆N₂O₄

1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2-(propan-2-yl)quinoline-4-carboxylate

CAS 2248290-58-4C₂₁H₁₆N₂O₄

1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 4-(2,5-dimethyl-1H-pyrrol-1-yl)benzoate

CAS 2248401-16-1C₂₁H₁₆N₂O₄

1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 1-[(1S)-1-phenylethyl]-1H-pyrrole-2-carboxylate

CAS 2248174-29-8C₂₁H₁₆N₂O₄

(3-(4-Methoxyphenyl)isoxazol-5-yl)methyl quinoline-2-carboxylate

CAS 1643436-73-0C₂₁H₁₆N₂O₄

Ethyl (R)-3-(4-cyanophenyl)-1-oxo-2,3-dihydro-1H-benzo[4,5]oxazolo[3,2-a]pyridine-4-carboxylate

CAS 2760985-51-9C₂₁H₁₆N₂O₄

Methyl (2S)-2-(1,3-dioxo-2,3-dihydro-1H-isoindol-2-yl)-3-(quinolin-6-yl)propanoate

CAS 1667754-22-4C₂₁H₁₆N₂O₄

Diphenyl 2-(phenylhydrazinylidene)propanedioate

CAS 19288-91-6C₂₁H₁₆N₂O₄

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What is the molar mass of C21H16N2O4?

The molar mass of C21H16N2O4 is 360.37 g/mol, calculated from standard atomic weights for 21 carbon atoms, 16 hydrogen atoms, 2 nitrogen atoms and 4 oxygen atoms. The monoisotopic mass is 360.1110 Da.

How many compounds have the formula C21H16N2O4?

CompoundList lists 120 compounds with the molecular formula C21H16N2O4, including 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2-ethyl-3-methylquinoline-4-carboxylate, 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 1-benzyl-2-methyl-1H-pyrrole-3-carboxylate, 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2-ethyl-4-methylquinoline-3-carboxylate. 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 C21H16N2O4?

C21H16N2O4 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.