Molecular formula

C₁₁H₉NO₅

123 compounds have this formula on CompoundList.

Molar mass: 235.19g/mol
Monoisotopic mass: 235.0481Da
Atoms: 26
Elements: 4
Rings plus double bonds: 8

The formula C11H9NO5 describes a molecule made of 11 carbon atoms, 9 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 × 1156.18%
12.011 × 11 = 132.121 g/mol
H Hydrogen × 93.86%
1.008 × 9 = 9.072 g/mol
N Nitrogen × 15.96%
14.007 × 1 = 14.007 g/mol
O Oxygen × 534.01%
15.999 × 5 = 79.995 g/mol

Look up another formula

Compounds with the formula C11H9NO5

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

Showing 101 to 123 of 123 compounds

3-(3-Methyl-4-nitrophenyl)oxolane-2,5-dione

CAS 2229100-95-0C₁₁H₉NO₅

3-(4-Methyl-3-nitrophenyl)oxolane-2,5-dione

CAS 2229093-86-9C₁₁H₉NO₅

3-(2-Methyl-5-nitrophenyl)oxolane-2,5-dione

CAS 2228949-47-9C₁₁H₉NO₅

1-(2-Nitrophenyl)-3-oxocyclobutane-1-carboxylic acid

CAS 2229106-09-4C₁₁H₉NO₅

3-(4-Hydroxy-3-methoxyphenyl)-1,2-oxazole-5-carboxylic acid

CAS 2229119-67-7C₁₁H₉NO₅

5-(4-Hydroxy-2-methoxyphenyl)-1,2-oxazole-4-carboxylic acid

CAS 2228519-28-4C₁₁H₉NO₅

5-(2-Hydroxy-4-methoxyphenyl)-1,2-oxazole-4-carboxylic acid

CAS 2228678-44-0C₁₁H₉NO₅

6-(Ethoxycarbonyl)furo[3,2-b]pyridine-2-carboxylic acid

CAS 2138124-42-0C₁₁H₉NO₅

3-(Methoxycarbonyl)-2-oxo-2,3-dihydro-1H-indole-5-carboxylic acid

CAS 2137866-46-5C₁₁H₉NO₅

3-(Methoxycarbonyl)-2-oxo-2,3-dihydro-1H-indole-6-carboxylic acid

CAS 2138361-34-7C₁₁H₉NO₅

Methyl 6-(2,5-dioxooxolan-3-yl)pyridine-3-carboxylate

CAS 2228638-17-1C₁₁H₉NO₅

5-(3-Hydroxy-4-methoxyphenyl)-1,2-oxazole-4-carboxylic acid

CAS 2229078-08-2C₁₁H₉NO₅

3-(3-Hydroxy-4-methoxyphenyl)-1,2-oxazole-5-carboxylic acid

CAS 2229440-16-6C₁₁H₉NO₅

5-(4-Hydroxy-3-methoxyphenyl)-1,2-oxazole-4-carboxylic acid

CAS 2229469-44-5C₁₁H₉NO₅

3-(5-Methyl-2-nitrophenyl)oxolane-2,5-dione

CAS 2229071-37-6C₁₁H₉NO₅

4-(2-Nitrophenyl)oxane-2,6-dione

CAS 2228369-64-8C₁₁H₉NO₅

5-(2-Hydroxy-3-methoxyphenyl)-1,2-oxazole-4-carboxylic acid

CAS 2229140-70-7C₁₁H₉NO₅

Methyl 2-Methyl-6-nitrobenzofuran-3-carboxylate

CAS 3075630-11-1C₁₁H₉NO₅

5-(2-Methoxy-2-oxoethyl)-1,3-benzoxazole-2-carboxylic acid

CAS 1227406-88-3C₁₁H₉NO₅

2-(2-Acetylbenzo[d]oxazol-4-yl)-2-hydroxyacetic acid

CAS 1804502-30-4C₁₁H₉NO₅

2-(2-Acetylbenzo[d]oxazol-7-yl)-2-hydroxyacetic acid

CAS 1803815-63-5C₁₁H₉NO₅

2-(2-Acetylbenzo[d]oxazol-5-yl)-2-hydroxyacetic acid

CAS 1807044-16-1C₁₁H₉NO₅

Ethyl 4-nitrobenzofuran-3-carboxylate

CAS 1956371-13-3C₁₁H₉NO₅

Frequently asked questions

Still have a question?

The help centre explains buying, quotes and supplier badges step by step, or you can write to our team.

Help centre Contact us

What is the molar mass of C11H9NO5?

The molar mass of C11H9NO5 is 235.19 g/mol, calculated from standard atomic weights for 11 carbon atoms, 9 hydrogen atoms, 1 nitrogen atom and 5 oxygen atoms. The monoisotopic mass is 235.0481 Da.

How many compounds have the formula C11H9NO5?

CompoundList lists 123 compounds with the molecular formula C11H9NO5, including 3-(3-Methyl-4-nitrophenyl)oxolane-2,5-dione, 3-(4-Methyl-3-nitrophenyl)oxolane-2,5-dione, 3-(2-Methyl-5-nitrophenyl)oxolane-2,5-dione. 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 C11H9NO5?

C11H9NO5 has a degree of unsaturation of 8. 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.