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Molecular formula

C18H13ClO5

23 compounds have this formula on CompoundList.

Molar mass
344.75g/mol
Monoisotopic mass
344.0452Da
Atoms
37
Elements
4
Rings plus double bonds
12

The formula C18H13ClO5 describes a molecule made of 18 carbon atoms, 13 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 × 1862.71%
    12.011 × 18 = 216.198 g/mol
  • H Hydrogen × 133.80%
    1.008 × 13 = 13.104 g/mol
  • Cl Chlorine × 110.28%
    35.45 × 1 = 35.450 g/mol
  • O Oxygen × 523.20%
    15.999 × 5 = 79.995 g/mol
Look up another formula

Compounds with the formula C18H13ClO5

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

Showing 1 to 23 of 23 compounds

2-[(6-Chloro-2-oxo-4-phenyl-2H-chromen-7-yl)oxy]propanoic acid chemical structure, C18H13ClO5, CAS 327097-31-4
2-[(6-Chloro-2-oxo-4-phenyl-2H-chromen-7-yl)oxy]propanoic acid
CAS 327097-31-4C18H13ClO5
(2-Chloro-6-oxo-7,8,9,10-tetrahydrobenzo[c]chromen-3-yl) furan-2-carboxylate chemical structure, C18H13ClO5, CAS 405916-33-8
(2-Chloro-6-oxo-7,8,9,10-tetrahydrobenzo[c]chromen-3-yl) furan-2-carboxylate
CAS 405916-33-8C18H13ClO5
Methyl {[3-(4-chlorophenyl)-4-oxo-4H-chromen-7-yl]oxy}acetate chemical structure, C18H13ClO5, CAS 302575-34-4
Methyl {[3-(4-chlorophenyl)-4-oxo-4H-chromen-7-yl]oxy}acetate
CAS 302575-34-4C18H13ClO5
2-((3-(4-Chlorophenyl)-2-methyl-4-oxo-4H-chromen-7-yl)oxy)acetic acid chemical structure, C18H13ClO5, CAS 929417-54-9
2-((3-(4-Chlorophenyl)-2-methyl-4-oxo-4H-chromen-7-yl)oxy)acetic acid
CAS 929417-54-9C18H13ClO5
3-(4-Chlorophenoxy)-2-methyl-4-oxo-4H-chromen-7-yl acetate chemical structure, C18H13ClO5, CAS 342386-98-5
3-(4-Chlorophenoxy)-2-methyl-4-oxo-4H-chromen-7-yl acetate
CAS 342386-98-5C18H13ClO5
DR 3438 chemical structure, C18H13ClO5, CAS 112953-47-6
DR 3438
CAS 112953-47-6C18H13ClO5
3-(2-Chlorophenyl)-4-oxo-4H-chromen-7-yl ethyl carbonate chemical structure, C18H13ClO5, CAS 431885-85-7
3-(2-Chlorophenyl)-4-oxo-4H-chromen-7-yl ethyl carbonate
CAS 431885-85-7C18H13ClO5
Methyl [(6-chloro-2-oxo-4-phenyl-2H-chromen-7-yl)oxy]acetate chemical structure, C18H13ClO5, CAS 297147-98-9
Methyl [(6-chloro-2-oxo-4-phenyl-2H-chromen-7-yl)oxy]acetate
CAS 297147-98-9C18H13ClO5
(Z)-2-((2-(2-Chlorobenzylidene)-3-oxo-2,3-dihydrobenzofuran-6-yl)oxy)propanoic acid chemical structure, C18H13ClO5, CAS 900260-40-4
(Z)-2-((2-(2-Chlorobenzylidene)-3-oxo-2,3-dihydrobenzofuran-6-yl)oxy)propanoic acid
CAS 900260-40-4C18H13ClO5
(2Z)-2-[(6-Chloro-4H-1,3-benzodioxin-8-yl)methylidene]-6-hydroxy-4-methyl-1-benzofuran-3(2H)-one chemical structure, C18H13ClO5, CAS 929339-65-1
(2Z)-2-[(6-Chloro-4H-1,3-benzodioxin-8-yl)methylidene]-6-hydroxy-4-methyl-1-benzofuran-3(2H)-one
CAS 929339-65-1C18H13ClO5
Methyl 5-(4-chlorobenzoyloxy)-2-methyl-1-benzofuran-3-carboxylate chemical structure, C18H13ClO5, CAS 301682-64-4
Methyl 5-(4-chlorobenzoyloxy)-2-methyl-1-benzofuran-3-carboxylate
CAS 301682-64-4C18H13ClO5
Methyl 2-[3-(4-chlorophenyl)-2-oxochromen-7-yl]oxyacetate chemical structure, C18H13ClO5, CAS 713500-75-5
Methyl 2-[3-(4-chlorophenyl)-2-oxochromen-7-yl]oxyacetate
CAS 713500-75-5C18H13ClO5
(Z)-2-((2-(3-Chlorobenzylidene)-3-oxo-2,3-dihydrobenzofuran-6-yl)oxy)propanoic acid chemical structure, C18H13ClO5, CAS 890632-81-2
(Z)-2-((2-(3-Chlorobenzylidene)-3-oxo-2,3-dihydrobenzofuran-6-yl)oxy)propanoic acid
CAS 890632-81-2C18H13ClO5
(Z)-2-((2-(4-Chlorobenzylidene)-3-oxo-2,3-dihydrobenzofuran-6-yl)oxy)propanoic acid chemical structure, C18H13ClO5, CAS 900262-99-9
(Z)-2-((2-(4-Chlorobenzylidene)-3-oxo-2,3-dihydrobenzofuran-6-yl)oxy)propanoic acid
CAS 900262-99-9C18H13ClO5
(Z)-Methyl 2-((2-(2-chlorobenzylidene)-3-oxo-2,3-dihydrobenzofuran-6-yl)oxy)acetate chemical structure, C18H13ClO5, CAS 623117-48-6
(Z)-Methyl 2-((2-(2-chlorobenzylidene)-3-oxo-2,3-dihydrobenzofuran-6-yl)oxy)acetate
CAS 623117-48-6C18H13ClO5
(Z)-2-((6-Chloro-4H-benzo[d][1,3]dioxin-8-yl)methylene)-6-methoxybenzofuran-3(2H)-one chemical structure, C18H13ClO5, CAS 929489-42-9
(Z)-2-((6-Chloro-4H-benzo[d][1,3]dioxin-8-yl)methylene)-6-methoxybenzofuran-3(2H)-one
CAS 929489-42-9C18H13ClO5
2-(4-Chlorophenyl)-4-oxo-4H-chromen-3-yl ethyl carbonate chemical structure, C18H13ClO5, CAS 786672-59-1
2-(4-Chlorophenyl)-4-oxo-4H-chromen-3-yl ethyl carbonate
CAS 786672-59-1C18H13ClO5
Methyl 5-((2-chlorobenzoyl)oxy)-2-methylbenzofuran-3-carboxylate chemical structure, C18H13ClO5, CAS 637747-39-8
Methyl 5-((2-chlorobenzoyl)oxy)-2-methylbenzofuran-3-carboxylate
CAS 637747-39-8C18H13ClO5
(Z)-Methyl 2-((2-(4-chlorobenzylidene)-3-oxo-2,3-dihydrobenzofuran-6-yl)oxy)acetate chemical structure, C18H13ClO5, CAS 623117-47-5
(Z)-Methyl 2-((2-(4-chlorobenzylidene)-3-oxo-2,3-dihydrobenzofuran-6-yl)oxy)acetate
CAS 623117-47-5C18H13ClO5
Methyl 2-{2-[(3-chlorophenyl)methylene]-3-oxobenzo[3,4-b]furan-6-yloxy}acetate chemical structure, C18H13ClO5, CAS 620547-50-4
Methyl 2-{2-[(3-chlorophenyl)methylene]-3-oxobenzo[3,4-b]furan-6-yloxy}acetate
CAS 620547-50-4C18H13ClO5
11-Chloro-4,6-dihydroxy-3,4,4a,12a-tetrahydro-1H-tetracene-2,5,12-trione chemical structure, C18H13ClO5, CAS 83352-51-6
11-Chloro-4,6-dihydroxy-3,4,4a,12a-tetrahydro-1H-tetracene-2,5,12-trione
CAS 83352-51-6C18H13ClO5
6-Chloro-4-methyl-2-oxo-2H-chromen-7-yl 4-methoxybenzoate chemical structure, C18H13ClO5, CAS 670245-04-2
6-Chloro-4-methyl-2-oxo-2H-chromen-7-yl 4-methoxybenzoate
CAS 670245-04-2C18H13ClO5
6-Chloro-4-methyl-2-oxo-2H-chromen-7-yl 3-methoxybenzoate chemical structure, C18H13ClO5, CAS 670244-88-9
6-Chloro-4-methyl-2-oxo-2H-chromen-7-yl 3-methoxybenzoate
CAS 670244-88-9C18H13ClO5

Frequently asked questions

What is the molar mass of C18H13ClO5?

The molar mass of C18H13ClO5 is 344.75 g/mol, calculated from standard atomic weights for 18 carbon atoms, 13 hydrogen atoms, 1 chlorine atom and 5 oxygen atoms. The monoisotopic mass is 344.0452 Da.

How many compounds have the formula C18H13ClO5?

CompoundList lists 23 compounds with the molecular formula C18H13ClO5, including 2-[(6-Chloro-2-oxo-4-phenyl-2H-chromen-7-yl)oxy]propanoic acid, (2-Chloro-6-oxo-7,8,9,10-tetrahydrobenzo[c]chromen-3-yl) furan-2-carboxylate, Methyl {[3-(4-chlorophenyl)-4-oxo-4H-chromen-7-yl]oxy}acetate. 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 C18H13ClO5?

C18H13ClO5 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.