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Molecular formula

C21H19ClO5

26 compounds have this formula on CompoundList.

Molar mass
386.83g/mol
Monoisotopic mass
386.0921Da
Atoms
46
Elements
4
Rings plus double bonds
12

The formula C21H19ClO5 describes a molecule made of 21 carbon atoms, 19 hydrogen atoms, 1 chlorine 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 × 2165.20%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 194.95%
    1.008 × 19 = 19.152 g/mol
  • Cl Chlorine × 19.16%
    35.45 × 1 = 35.450 g/mol
  • O Oxygen × 520.68%
    15.999 × 5 = 79.995 g/mol
Look up another formula

Compounds with the formula C21H19ClO5

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

Showing 1 to 26 of 26 compounds

Butyl [(6-chloro-2-oxo-4-phenyl-2H-chromen-7-yl)oxy]acetate chemical structure, C21H19ClO5, CAS 305864-79-3
Butyl [(6-chloro-2-oxo-4-phenyl-2H-chromen-7-yl)oxy]acetate
CAS 305864-79-3C21H19ClO5
3-[7-[(2-Chlorophenyl)methoxy]-4,8-dimethyl-2-oxochromen-3-yl]propanoic acid chemical structure, C21H19ClO5, CAS 708240-60-2
3-[7-[(2-Chlorophenyl)methoxy]-4,8-dimethyl-2-oxochromen-3-yl]propanoic acid
CAS 708240-60-2C21H19ClO5
Propan-2-yl 5-[2-(4-chlorophenyl)-2-oxoethoxy]-2-methyl-1-benzofuran-3-carboxylate chemical structure, C21H19ClO5, CAS 308297-35-0
Propan-2-yl 5-[2-(4-chlorophenyl)-2-oxoethoxy]-2-methyl-1-benzofuran-3-carboxylate
CAS 308297-35-0C21H19ClO5
Propyl 2-{[3-(2-chlorophenyl)-4-oxo-4H-chromen-7-yl]oxy}propanoate chemical structure, C21H19ClO5, CAS 370844-76-1
Propyl 2-{[3-(2-chlorophenyl)-4-oxo-4H-chromen-7-yl]oxy}propanoate
CAS 370844-76-1C21H19ClO5
Ethyl 2-((3-(4-chlorophenyl)-2-methyl-4-oxo-4H-chromen-7-yl)oxy)propanoate chemical structure, C21H19ClO5, CAS 618390-12-8
Ethyl 2-((3-(4-chlorophenyl)-2-methyl-4-oxo-4H-chromen-7-yl)oxy)propanoate
CAS 618390-12-8C21H19ClO5
tert-Butyl 2-((3-(4-chlorophenyl)-4-oxo-4H-chromen-7-yl)oxy)acetate chemical structure, C21H19ClO5, CAS 618389-48-3
tert-Butyl 2-((3-(4-chlorophenyl)-4-oxo-4H-chromen-7-yl)oxy)acetate
CAS 618389-48-3C21H19ClO5
Propyl 2-((3-(4-chlorophenyl)-4-oxo-4H-chromen-7-yl)oxy)propanoate chemical structure, C21H19ClO5, CAS 347366-27-2
Propyl 2-((3-(4-chlorophenyl)-4-oxo-4H-chromen-7-yl)oxy)propanoate
CAS 347366-27-2C21H19ClO5
Methylethyl 2-[3-(4-chlorophenyl)-2-methyl-4-oxochromen-7-yloxy]acetate chemical structure, C21H19ClO5, CAS 100152-09-8
Methylethyl 2-[3-(4-chlorophenyl)-2-methyl-4-oxochromen-7-yloxy]acetate
CAS 100152-09-8C21H19ClO5
1-Benzopyrylium, 5,6,7,8-tetrahydro-2,4-diphenyl-, perchlorate (1:1) chemical structure, C21H19ClO5, CAS 15997-44-1
1-Benzopyrylium, 5,6,7,8-tetrahydro-2,4-diphenyl-, perchlorate (1:1)
CAS 15997-44-1C21H19ClO5
Ethyl 2-{[3-(4-chlorophenyl)-4-methyl-2-oxo-2H-chromen-6-yl]oxy}propanoate chemical structure, C21H19ClO5, CAS 869341-43-5
Ethyl 2-{[3-(4-chlorophenyl)-4-methyl-2-oxo-2H-chromen-6-yl]oxy}propanoate
CAS 869341-43-5C21H19ClO5
Methyl {7-[(3-chlorobenzyl)oxy]-4,8-dimethyl-2-oxo-2H-chromen-3-yl}acetate chemical structure, C21H19ClO5, CAS 840515-76-6
Methyl {7-[(3-chlorobenzyl)oxy]-4,8-dimethyl-2-oxo-2H-chromen-3-yl}acetate
CAS 840515-76-6C21H19ClO5
Methyl 4-{[(6-chloro-2-oxo-4-propyl-2H-chromen-7-yl)oxy]methyl}benzoate chemical structure, C21H19ClO5, CAS 380210-34-4
Methyl 4-{[(6-chloro-2-oxo-4-propyl-2H-chromen-7-yl)oxy]methyl}benzoate
CAS 380210-34-4C21H19ClO5
Ethyl [(6-chloro-4-ethyl-2-oxo-2H-chromen-7-yl)oxy](phenyl)acetate chemical structure, C21H19ClO5, CAS 431073-10-8
Ethyl [(6-chloro-4-ethyl-2-oxo-2H-chromen-7-yl)oxy](phenyl)acetate
CAS 431073-10-8C21H19ClO5
tert-Butyl {[(2Z)-2-(2-chlorobenzylidene)-3-oxo-2,3-dihydro-1-benzofuran-6-yl]oxy}acetate chemical structure, C21H19ClO5, CAS 623117-68-0
tert-Butyl {[(2Z)-2-(2-chlorobenzylidene)-3-oxo-2,3-dihydro-1-benzofuran-6-yl]oxy}acetate
CAS 623117-68-0C21H19ClO5
tert-Butyl {[(2Z)-2-(3-chlorobenzylidene)-3-oxo-2,3-dihydro-1-benzofuran-6-yl]oxy}acetate chemical structure, C21H19ClO5, CAS 620547-98-0
tert-Butyl {[(2Z)-2-(3-chlorobenzylidene)-3-oxo-2,3-dihydro-1-benzofuran-6-yl]oxy}acetate
CAS 620547-98-0C21H19ClO5
4H-1-Benzopyran-6-acetic acid, 2-(4-chlorophenyl)-alpha-ethyl-3-methoxy-4-oxo-, methyl ester chemical structure, C21H19ClO5, CAS 173469-85-7
4H-1-Benzopyran-6-acetic acid, 2-(4-chlorophenyl)-alpha-ethyl-3-methoxy-4-oxo-, methyl ester
CAS 173469-85-7C21H19ClO5
Methyl {6-chloro-4-methyl-7-[(2-methylbenzyl)oxy]-2-oxo-2H-chromen-3-yl}acetate chemical structure, C21H19ClO5, CAS 694508-49-1
Methyl {6-chloro-4-methyl-7-[(2-methylbenzyl)oxy]-2-oxo-2H-chromen-3-yl}acetate
CAS 694508-49-1C21H19ClO5
Methyl {7-[(4-chlorobenzyl)oxy]-4,8-dimethyl-2-oxo-2H-chromen-3-yl}acetate chemical structure, C21H19ClO5, CAS 577961-43-4
Methyl {7-[(4-chlorobenzyl)oxy]-4,8-dimethyl-2-oxo-2H-chromen-3-yl}acetate
CAS 577961-43-4C21H19ClO5
3-{7-[(3-Chlorobenzyl)oxy]-4,8-dimethyl-2-oxo-2H-chromen-3-yl}propanoic acid chemical structure, C21H19ClO5, CAS 858755-45-0
3-{7-[(3-Chlorobenzyl)oxy]-4,8-dimethyl-2-oxo-2H-chromen-3-yl}propanoic acid
CAS 858755-45-0C21H19ClO5
Methyl {7-[(2-chlorobenzyl)oxy]-4,8-dimethyl-2-oxo-2H-chromen-3-yl}acetate chemical structure, C21H19ClO5, CAS 706765-90-4
Methyl {7-[(2-chlorobenzyl)oxy]-4,8-dimethyl-2-oxo-2H-chromen-3-yl}acetate
CAS 706765-90-4C21H19ClO5
3-{7-[(4-Chlorobenzyl)oxy]-4,8-dimethyl-2-oxo-2H-chromen-3-yl}propanoic acid chemical structure, C21H19ClO5, CAS 858758-27-7
3-{7-[(4-Chlorobenzyl)oxy]-4,8-dimethyl-2-oxo-2H-chromen-3-yl}propanoic acid
CAS 858758-27-7C21H19ClO5
Methyl {6-chloro-4-methyl-7-[(4-methylbenzyl)oxy]-2-oxo-2H-chromen-3-yl}acetate chemical structure, C21H19ClO5, CAS 573944-75-9
Methyl {6-chloro-4-methyl-7-[(4-methylbenzyl)oxy]-2-oxo-2H-chromen-3-yl}acetate
CAS 573944-75-9C21H19ClO5
Methyl {6-chloro-4-methyl-7-[(3-methylbenzyl)oxy]-2-oxo-2H-chromen-3-yl}acetate chemical structure, C21H19ClO5, CAS 577982-23-1
Methyl {6-chloro-4-methyl-7-[(3-methylbenzyl)oxy]-2-oxo-2H-chromen-3-yl}acetate
CAS 577982-23-1C21H19ClO5
tert-Butyl {[(2Z)-2-(4-chlorobenzylidene)-3-oxo-2,3-dihydro-1-benzofuran-6-yl]oxy}acetate chemical structure, C21H19ClO5, CAS 623117-66-8
tert-Butyl {[(2Z)-2-(4-chlorobenzylidene)-3-oxo-2,3-dihydro-1-benzofuran-6-yl]oxy}acetate
CAS 623117-66-8C21H19ClO5

Frequently asked questions

What is the molar mass of C21H19ClO5?

The molar mass of C21H19ClO5 is 386.83 g/mol, calculated from standard atomic weights for 21 carbon atoms, 19 hydrogen atoms, 1 chlorine atom and 5 oxygen atoms. The monoisotopic mass is 386.0921 Da.

How many compounds have the formula C21H19ClO5?

CompoundList lists 26 compounds with the molecular formula C21H19ClO5, including Butyl [(6-chloro-2-oxo-4-phenyl-2H-chromen-7-yl)oxy]acetate, 3-[7-[(2-Chlorophenyl)methoxy]-4,8-dimethyl-2-oxochromen-3-yl]propanoic acid, Propan-2-yl 5-[2-(4-chlorophenyl)-2-oxoethoxy]-2-methyl-1-benzofuran-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 C21H19ClO5?

C21H19ClO5 has a degree of unsaturation of 12. 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.