Molecular formula

C₂₀H₁₃NO₄

43 compounds have this formula on CompoundList.

Molar mass: 331.33g/mol
Monoisotopic mass: 331.0845Da
Atoms: 38
Elements: 4
Rings plus double bonds: 15

The formula C20H13NO4 describes a molecule made of 20 carbon atoms, 13 hydrogen atoms, 1 nitrogen atom 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 × 2072.50%
12.011 × 20 = 240.220 g/mol
H Hydrogen × 133.96%
1.008 × 13 = 13.104 g/mol
N Nitrogen × 14.23%
14.007 × 1 = 14.007 g/mol
O Oxygen × 419.32%
15.999 × 4 = 63.996 g/mol

Look up another formula

Compounds with the formula C20H13NO4

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

Showing 1 to 43 of 43 compounds

3'-Amino-6'-hydroxy-3H-spiro[2-benzofuran-1,9'-xanthen]-3-one

CAS 3086-44-0C₂₀H₁₃NO₄

Disperse Red 60

CAS 17418-58-5C₂₀H₁₃NO₄

2-(1,3-Dioxobenzo[de]isoquinolin-2-yl)-2-phenylacetic acid

CAS 5962-66-3C₂₀H₁₃NO₄

4-Amino-1-hydroxy-2-phenoxyanthraquinone

CAS 93982-34-4C₂₀H₁₃NO₄

N-Dibenzofuran-3-yl-1,3-benzodioxole-5-carboxamide

CAS 696625-93-1C₂₀H₁₃NO₄

N-(4-Oxo-3-phenyl-4H-chromen-2-yl)furan-2-carboxamide

CAS 900876-26-8C₂₀H₁₃NO₄

1,3-Dioxo-2-(o-tolyl)-2,3-dihydro-1H-benzo[de]isoquinoline-6-carboxylic acid

CAS 333351-47-6C₂₀H₁₃NO₄

2-(4-Benzo[d]furan-2-yl-7-methyl-2-oxochromen-6-yloxy)ethanenitrile

CAS 898447-81-9C₂₀H₁₃NO₄

2-(4-Methylphenyl)-1,3-dioxobenzo[de]isoquinoline-6-carboxylic acid

CAS 333351-49-8C₂₀H₁₃NO₄

2-(1,3-Benzodioxol-5-ylmethyl)-1H-benzo[de]isoquinoline-1,3(2H)-dione

CAS 321979-19-5C₂₀H₁₃NO₄

1-Nitrobenzo(a)pyrene trans-7,8-dihydrodiol

CAS 88598-59-8C₂₀H₁₃NO₄

3-Nitrobenzo(a)pyrene-trans-7,8-dihydrodiol

CAS 97576-08-4C₂₀H₁₃NO₄

trans-9,10-Dihydro-3-nitrobenzo(a)pyrene-9,10-diol

CAS 98151-91-8C₂₀H₁₃NO₄

Methyl 3-[(1,3-dioxo-1,3-dihydro-2H-inden-2-yliden)methyl]-1H-indole-2-carboxylate

CAS 860611-90-1C₂₀H₁₃NO₄

5-(9H-Carbazol-9-yl)isophthalic acid

CAS 1800465-14-8C₂₀H₁₃NO₄

1-Nitrobenzo(a)pyrene trans-9,10-dihydrodiol

CAS 88598-60-1C₂₀H₁₃NO₄

N-[3-(2-Oxochromen-3-yl)phenyl]furan-2-carboxamide

CAS 839692-46-5C₂₀H₁₃NO₄

N-(2-Benzoyl-1-benzofuran-3-yl)furan-2-carboxamide

CAS 630050-96-3C₂₀H₁₃NO₄

trans-4,5-Dihydroxy-1-nitro-4,5-dihydrobenzo(e)pyrene

CAS 114454-59-0C₂₀H₁₃NO₄

(3Z)-3-[(2-Methylnaphthalen-1-yl)-nitromethylidene]-2-benzofuran-1-one

CAS 30516-76-8C₂₀H₁₃NO₄

N-(9,10-Dioxoanthracen-1-yl)-5-methylfuran-2-carboxamide

CAS 362500-38-7C₂₀H₁₃NO₄

(3E)-1-Acetyl-3-(2-oxo-5-phenylfuran-3-ylidene)indol-2-one

CAS 503309-29-3C₂₀H₁₃NO₄

N-(9,10-Dioxoanthracen-1-yl)-2-methylfuran-3-carboxamide

CAS 544438-77-9C₂₀H₁₃NO₄

N-(4-Oxo-2-phenyl-4H-chromen-6-yl)furan-2-carboxamide

CAS 39924-73-7C₂₀H₁₃NO₄

Frequently asked questions

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What is the molar mass of C20H13NO4?

The molar mass of C20H13NO4 is 331.33 g/mol, calculated from standard atomic weights for 20 carbon atoms, 13 hydrogen atoms, 1 nitrogen atom and 4 oxygen atoms. The monoisotopic mass is 331.0845 Da.

How many compounds have the formula C20H13NO4?

CompoundList lists 43 compounds with the molecular formula C20H13NO4, including 3'-Amino-6'-hydroxy-3H-spiro[2-benzofuran-1,9'-xanthen]-3-one, Disperse Red 60, 2-(1,3-Dioxobenzo[de]isoquinolin-2-yl)-2-phenylacetic acid. 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 C20H13NO4?

C20H13NO4 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.