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Molecular formula

C21H18ClNO6

11 compounds have this formula on CompoundList.

Molar mass
415.83g/mol
Monoisotopic mass
419.1074Da
Atoms
47
Elements
5
Rings plus double bonds
13

The formula C21H18ClNO6 describes a molecule made of 21 carbon atoms, 18 hydrogen atoms, 1 chlorine atom, 1 nitrogen atom and 6 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 × 2160.66%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 184.36%
    1.008 × 18 = 18.144 g/mol
  • Cl Chlorine × 18.53%
    35.45 × 1 = 35.450 g/mol
  • N Nitrogen × 13.37%
    14.007 × 1 = 14.007 g/mol
  • O Oxygen × 623.09%
    15.999 × 6 = 95.994 g/mol
Look up another formula

Compounds with the formula C21H18ClNO6

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

Showing 1 to 11 of 11 compounds

Acemetacin chemical structure, C21H18ClNO6, CAS 53164-05-9
Acemetacin
CAS 53164-05-9C21H18ClNO6
N-(8-Chloro-4,7-dihydroxy-2-oxo-2H-1-benzopyran-3-yl)-4-hydroxy-3-(3-methyl-2-buten-1-yl)benzamide chemical structure, C21H18ClNO6, CAS 114515-20-7
N-(8-Chloro-4,7-dihydroxy-2-oxo-2H-1-benzopyran-3-yl)-4-hydroxy-3-(3-methyl-2-buten-1-yl)benzamide
CAS 114515-20-7C21H18ClNO6
7-Chloro-2-methyl-1-(3,4,5-trimethoxyphenyl)-1,2-dihydrochromeno[2,3-c]pyrrole-3,9-dione chemical structure, C21H18ClNO6, CAS 874462-99-4
7-Chloro-2-methyl-1-(3,4,5-trimethoxyphenyl)-1,2-dihydrochromeno[2,3-c]pyrrole-3,9-dione
CAS 874462-99-4C21H18ClNO6
2-(4-Chlorophenyl)-2-oxoethyl 2-(3-methoxypropyl)-1,3-dioxo-2,3-dihydro-1H-isoindole-5-carboxylate chemical structure, C21H18ClNO6, CAS 356091-98-0
2-(4-Chlorophenyl)-2-oxoethyl 2-(3-methoxypropyl)-1,3-dioxo-2,3-dihydro-1H-isoindole-5-carboxylate
CAS 356091-98-0C21H18ClNO6
6-Chloro-4-methyl-2-oxo-2H-chromen-7-yl 3-(((benzyloxy)carbonyl)amino)propanoate chemical structure, C21H18ClNO6, CAS 313471-15-7
6-Chloro-4-methyl-2-oxo-2H-chromen-7-yl 3-(((benzyloxy)carbonyl)amino)propanoate
CAS 313471-15-7C21H18ClNO6
3-[(2-{[3-(4-Chlorophenyl)-2-methyl-4-oxo-4H-chromen-7-yl]oxy}acetyl)amino]propanoic acid chemical structure, C21H18ClNO6, CAS 1007694-34-9
3-[(2-{[3-(4-Chlorophenyl)-2-methyl-4-oxo-4H-chromen-7-yl]oxy}acetyl)amino]propanoic acid
CAS 1007694-34-9C21H18ClNO6
1-(4-Chlorophenyl)-1-oxopropan-2-yl 2-(2-methoxyethyl)-1,3-dioxo-2,3-dihydro-1H-isoindole-5-carboxylate chemical structure, C21H18ClNO6, CAS 868213-56-3
1-(4-Chlorophenyl)-1-oxopropan-2-yl 2-(2-methoxyethyl)-1,3-dioxo-2,3-dihydro-1H-isoindole-5-carboxylate
CAS 868213-56-3C21H18ClNO6
6-Chloro-3,4-dimethyl-2-oxo-2H-chromen-7-yl N-[(benzyloxy)carbonyl]glycinate chemical structure, C21H18ClNO6, CAS 843620-35-9
6-Chloro-3,4-dimethyl-2-oxo-2H-chromen-7-yl N-[(benzyloxy)carbonyl]glycinate
CAS 843620-35-9C21H18ClNO6
6-Chloro-4-ethyl-2-oxo-2H-chromen-7-yl N-[(benzyloxy)carbonyl]glycinate chemical structure, C21H18ClNO6, CAS 840498-78-4
6-Chloro-4-ethyl-2-oxo-2H-chromen-7-yl N-[(benzyloxy)carbonyl]glycinate
CAS 840498-78-4C21H18ClNO6
7-Chloro-1-(2,5-dimethoxyphenyl)-2-(2-hydroxyethyl)-1,2-dihydrochromeno[2,3-c]pyrrole-3,9-dione chemical structure, C21H18ClNO6, CAS 862198-76-3
7-Chloro-1-(2,5-dimethoxyphenyl)-2-(2-hydroxyethyl)-1,2-dihydrochromeno[2,3-c]pyrrole-3,9-dione
CAS 862198-76-3C21H18ClNO6
Acemetacin-d4 chemical structure, C21H18ClNO6, CAS 1196151-16-2
Acemetacin-d4
CAS 1196151-16-2C21H18ClNO6

Frequently asked questions

What is the molar mass of C21H18ClNO6?

The molar mass of C21H18ClNO6 is 415.83 g/mol, calculated from standard atomic weights for 21 carbon atoms, 18 hydrogen atoms, 1 chlorine atom, 1 nitrogen atom and 6 oxygen atoms. The monoisotopic mass is 419.1074 Da.

How many compounds have the formula C21H18ClNO6?

CompoundList lists 11 compounds with the molecular formula C21H18ClNO6, including Acemetacin, N-(8-Chloro-4,7-dihydroxy-2-oxo-2H-1-benzopyran-3-yl)-4-hydroxy-3-(3-methyl-2-buten-1-yl)benzamide, 7-Chloro-2-methyl-1-(3,4,5-trimethoxyphenyl)-1,2-dihydrochromeno[2,3-c]pyrrole-3,9-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 C21H18ClNO6?

C21H18ClNO6 has a degree of unsaturation of 13. 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.