CompoundList
Molecular formula

C11H9NO3

752 compounds have this formula on CompoundList.

Molar mass
203.20g/mol
Monoisotopic mass
208.0896Da
Atoms
24
Elements
4
Rings plus double bonds
8

The formula C11H9NO3 describes a molecule made of 11 carbon atoms, 9 hydrogen atoms, 1 nitrogen atom and 3 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 × 1165.02%
    12.011 × 11 = 132.121 g/mol
  • H Hydrogen × 94.46%
    1.008 × 9 = 9.072 g/mol
  • N Nitrogen × 16.89%
    14.007 × 1 = 14.007 g/mol
  • O Oxygen × 323.62%
    15.999 × 3 = 47.997 g/mol
Look up another formula

Compounds with the formula C11H9NO3

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

Showing 501 to 600 of 752 compounds

4-Benzoyl-3-methyl-5(4H)-isoxazolone chemical structure, C11H9NO3, CAS 99972-54-0
4-Benzoyl-3-methyl-5(4H)-isoxazolone
CAS 99972-54-0C11H9NO3
Methyl 2-cyano-4-(2-oxoethyl)benzoate chemical structure, C11H9NO3, CAS 1374573-12-2
Methyl 2-cyano-4-(2-oxoethyl)benzoate
CAS 1374573-12-2C11H9NO3
2-Hydroxy-2-(quinolin-5-yl)acetic acid chemical structure, C11H9NO3, CAS 1507177-48-1
2-Hydroxy-2-(quinolin-5-yl)acetic acid
CAS 1507177-48-1C11H9NO3
5-Methoxyisoquinoline-8-carboxylic acid chemical structure, C11H9NO3, CAS 1421600-97-6
5-Methoxyisoquinoline-8-carboxylic acid
CAS 1421600-97-6C11H9NO3
2'-Oxo-1',2'-dihydrospiro[cyclopropane-1,3'-indole]-5'-carboxylic acid chemical structure, C11H9NO3, CAS 1546331-69-4
2'-Oxo-1',2'-dihydrospiro[cyclopropane-1,3'-indole]-5'-carboxylic acid
CAS 1546331-69-4C11H9NO3
5-Methoxy-6-isoquinolinecarboxylic acid chemical structure, C11H9NO3, CAS 1779851-30-7
5-Methoxy-6-isoquinolinecarboxylic acid
CAS 1779851-30-7C11H9NO3
3-Formyl-1H-indol-5-yl acetate chemical structure, C11H9NO3, CAS 148563-42-2
3-Formyl-1H-indol-5-yl acetate
CAS 148563-42-2C11H9NO3
3-Hydroxy-6-methoxy-quinoline-4-carbaldehyde chemical structure, C11H9NO3, CAS 1312577-43-7
3-Hydroxy-6-methoxy-quinoline-4-carbaldehyde
CAS 1312577-43-7C11H9NO3
Methyl 5-formylindolizine-8-carboxylate chemical structure, C11H9NO3, CAS 1437053-46-7
Methyl 5-formylindolizine-8-carboxylate
CAS 1437053-46-7C11H9NO3
Benzyl 1,3-oxazole-5-carboxylate chemical structure, C11H9NO3, CAS 2680533-67-7
Benzyl 1,3-oxazole-5-carboxylate
CAS 2680533-67-7C11H9NO3
4-(4-Hydroxyphenyl)-1H-pyrrole-3-carboxylic acid chemical structure, C11H9NO3, CAS 1330755-30-0
4-(4-Hydroxyphenyl)-1H-pyrrole-3-carboxylic acid
CAS 1330755-30-0C11H9NO3
4-(3-Hydroxyphenyl)-1H-pyrrole-3-carboxylic acid chemical structure, C11H9NO3, CAS 1330755-09-3
4-(3-Hydroxyphenyl)-1H-pyrrole-3-carboxylic acid
CAS 1330755-09-3C11H9NO3
4-(2-Hydroxyphenyl)-1H-pyrrole-3-carboxylic acid chemical structure, C11H9NO3, CAS 1330751-58-0
4-(2-Hydroxyphenyl)-1H-pyrrole-3-carboxylic acid
CAS 1330751-58-0C11H9NO3
Methyl [(3-ethynylphenyl)carbamoyl]formate chemical structure, C11H9NO3, CAS 1565994-15-1
Methyl [(3-ethynylphenyl)carbamoyl]formate
CAS 1565994-15-1C11H9NO3
3-Methyl-1-oxo-2H-isoquinoline-7-carboxylic acid chemical structure, C11H9NO3, CAS 1896162-45-0
3-Methyl-1-oxo-2H-isoquinoline-7-carboxylic acid
CAS 1896162-45-0C11H9NO3
4-Methoxyquinoline-7-carboxylic acid chemical structure, C11H9NO3, CAS 1956335-60-6
4-Methoxyquinoline-7-carboxylic acid
CAS 1956335-60-6C11H9NO3
Ethyl 3-(3-formyl-2-pyridinyl)-2-propynoate chemical structure, C11H9NO3, CAS 2098101-88-1
Ethyl 3-(3-formyl-2-pyridinyl)-2-propynoate
CAS 2098101-88-1C11H9NO3
Ethyl 3-(5-formyl-2-pyridinyl)-2-propynoate chemical structure, C11H9NO3, CAS 2098042-34-1
Ethyl 3-(5-formyl-2-pyridinyl)-2-propynoate
CAS 2098042-34-1C11H9NO3
1-(2-Cyanophenoxy)cyclopropane-1-carboxylic acid chemical structure, C11H9NO3, CAS 1691993-77-7
1-(2-Cyanophenoxy)cyclopropane-1-carboxylic acid
CAS 1691993-77-7C11H9NO3
1-(3-Cyanophenoxy)cyclopropane-1-carboxylic acid chemical structure, C11H9NO3, CAS 1694868-99-9
1-(3-Cyanophenoxy)cyclopropane-1-carboxylic acid
CAS 1694868-99-9C11H9NO3
1-(4-Cyanophenoxy)cyclopropane-1-carboxylic acid chemical structure, C11H9NO3, CAS 1698097-37-8
1-(4-Cyanophenoxy)cyclopropane-1-carboxylic acid
CAS 1698097-37-8C11H9NO3
Methyl 6-hydroxyisoquinoline-3-carboxylate chemical structure, C11H9NO3, CAS 942076-85-9
Methyl 6-hydroxyisoquinoline-3-carboxylate
CAS 942076-85-9C11H9NO3
3-(Hydroxymethylidene)-6-methylquinoline-2,4(1H,3H)-dione chemical structure, C11H9NO3, CAS 156992-48-2
3-(Hydroxymethylidene)-6-methylquinoline-2,4(1H,3H)-dione
CAS 156992-48-2C11H9NO3
Ethanone, 1-[5-(4-hydroxyphenyl)-3-isoxazolyl]- chemical structure, C11H9NO3, CAS 60640-72-4
Ethanone, 1-[5-(4-hydroxyphenyl)-3-isoxazolyl]-
CAS 60640-72-4C11H9NO3

Frequently asked questions

What is the molar mass of C11H9NO3?

The molar mass of C11H9NO3 is 203.20 g/mol, calculated from standard atomic weights for 11 carbon atoms, 9 hydrogen atoms, 1 nitrogen atom and 3 oxygen atoms. The monoisotopic mass is 208.0896 Da.

How many compounds have the formula C11H9NO3?

CompoundList lists 752 compounds with the molecular formula C11H9NO3, including 4-Benzoyl-3-methyl-5(4H)-isoxazolone, Methyl 2-cyano-4-(2-oxoethyl)benzoate, 2-Hydroxy-2-(quinolin-5-yl)acetic 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 C11H9NO3?

C11H9NO3 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.