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Molecular formula

C20H17ClO3

23 compounds have this formula on CompoundList.

Molar mass
340.80g/mol
Monoisotopic mass
340.0866Da
Atoms
41
Elements
4
Rings plus double bonds
12

The formula C20H17ClO3 describes a molecule made of 20 carbon atoms, 17 hydrogen atoms, 1 chlorine 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 × 2070.49%
    12.011 × 20 = 240.220 g/mol
  • H Hydrogen × 175.03%
    1.008 × 17 = 17.136 g/mol
  • Cl Chlorine × 110.40%
    35.45 × 1 = 35.450 g/mol
  • O Oxygen × 314.08%
    15.999 × 3 = 47.997 g/mol
Look up another formula

Compounds with the formula C20H17ClO3

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-Chloro-2-(3-oxo-1-phenyl-pentyl)-indan-1,3-dione chemical structure, C20H17ClO3, CAS 42581-24-8
2-Chloro-2-(3-oxo-1-phenyl-pentyl)-indan-1,3-dione
CAS 42581-24-8C20H17ClO3
Indanofan chemical structure, C20H17ClO3, CAS 133220-30-1
Indanofan
CAS 133220-30-1C20H17ClO3
8-Chloro-7-[(4-methylphenyl)methoxy]-2,3-dihydro-1H-cyclopenta[c]chromen-4-one chemical structure, C20H17ClO3, CAS 307549-17-3
8-Chloro-7-[(4-methylphenyl)methoxy]-2,3-dihydro-1H-cyclopenta[c]chromen-4-one
CAS 307549-17-3C20H17ClO3
6-Chloro-7-[(3-methyl-2-butenyl)oxy]-4-phenyl-2H-chromen-2-one chemical structure, C20H17ClO3, CAS 374698-13-2
6-Chloro-7-[(3-methyl-2-butenyl)oxy]-4-phenyl-2H-chromen-2-one
CAS 374698-13-2C20H17ClO3
9-[(2-Chlorobenzyl)oxy]-7-methyl-2,3-dihydrocyclopenta[c]chromen-4(1H)-one chemical structure, C20H17ClO3, CAS 307549-64-0
9-[(2-Chlorobenzyl)oxy]-7-methyl-2,3-dihydrocyclopenta[c]chromen-4(1H)-one
CAS 307549-64-0C20H17ClO3
3-[(4-Chlorobenzyl)oxy]-7,8,9,10-tetrahydro-6H-benzo[c]chromen-6-one chemical structure, C20H17ClO3, CAS 301683-07-8
3-[(4-Chlorobenzyl)oxy]-7,8,9,10-tetrahydro-6H-benzo[c]chromen-6-one
CAS 301683-07-8C20H17ClO3
3-(4-Chlorophenyl)-2-methyl-7-((2-methylallyl)oxy)-4H-chromen-4-one chemical structure, C20H17ClO3, CAS 618390-14-0
3-(4-Chlorophenyl)-2-methyl-7-((2-methylallyl)oxy)-4H-chromen-4-one
CAS 618390-14-0C20H17ClO3
3-Chloro-5-ethoxy-4-(naphthalen-1-ylmethoxy)benzaldehyde chemical structure, C20H17ClO3, CAS 428466-08-4
3-Chloro-5-ethoxy-4-(naphthalen-1-ylmethoxy)benzaldehyde
CAS 428466-08-4C20H17ClO3
1-(4-Chlorobenzylidine)-5-methoxy-2-methyl-3-indeneacetic acid chemical structure, C20H17ClO3, CAS 16203-90-0
1-(4-Chlorobenzylidine)-5-methoxy-2-methyl-3-indeneacetic acid
CAS 16203-90-0C20H17ClO3
3-(Benzyloxy)-2-chloro-7,8,9,10-tetrahydro-6H-benzo[c]chromen-6-one chemical structure, C20H17ClO3, CAS 301196-71-4
3-(Benzyloxy)-2-chloro-7,8,9,10-tetrahydro-6H-benzo[c]chromen-6-one
CAS 301196-71-4C20H17ClO3
2-[(2-Chlorophenyl)methylene]-6-(3-methylbut-2-enyloxy)benzo[b]furan-3-one chemical structure, C20H17ClO3, CAS 623121-77-7
2-[(2-Chlorophenyl)methylene]-6-(3-methylbut-2-enyloxy)benzo[b]furan-3-one
CAS 623121-77-7C20H17ClO3
1-p-Chlorobenzylidene-2-methyl-5-methoxy-3-indeneacetic acid chemical structure, C20H17ClO3, CAS 22287-03-2
1-p-Chlorobenzylidene-2-methyl-5-methoxy-3-indeneacetic acid
CAS 22287-03-2C20H17ClO3
2-[(4-Chlorophenyl)methylene]-6-(3-methylbut-2-enyloxy)benzo[b]furan-3-one chemical structure, C20H17ClO3, CAS 623121-73-3
2-[(4-Chlorophenyl)methylene]-6-(3-methylbut-2-enyloxy)benzo[b]furan-3-one
CAS 623121-73-3C20H17ClO3
1-[5-({5-Chloro-2-[(phenylmethyl)oxy]phenyl}methyl)-2-furanyl]ethanone chemical structure, C20H17ClO3, CAS 913957-53-6
1-[5-({5-Chloro-2-[(phenylmethyl)oxy]phenyl}methyl)-2-furanyl]ethanone
CAS 913957-53-6C20H17ClO3
2-Propenoic acid, 3-(3-(3-(4-chlorophenyl)-1-oxo-2-propenyl)phenyl)-, ethyl ester, (E,E)- chemical structure, C20H17ClO3, CAS 82885-71-0
2-Propenoic acid, 3-(3-(3-(4-chlorophenyl)-1-oxo-2-propenyl)phenyl)-, ethyl ester, (E,E)-
CAS 82885-71-0C20H17ClO3
1-[(3-Chlorophenyl)methylene]-5-methoxy-2-methyl-1H-indene-3-acetic acid chemical structure, C20H17ClO3, CAS 70172-34-8
1-[(3-Chlorophenyl)methylene]-5-methoxy-2-methyl-1H-indene-3-acetic acid
CAS 70172-34-8C20H17ClO3
6-[(Z)-2-(4-Chlorophenyl)-2-phenylethenyl]-3,4-dihydro-2H-pyran-5-carboxylic acid chemical structure, C20H17ClO3, CAS 63014-63-1
6-[(Z)-2-(4-Chlorophenyl)-2-phenylethenyl]-3,4-dihydro-2H-pyran-5-carboxylic acid
CAS 63014-63-1C20H17ClO3
Benzoic acid--4-[(4-chlorophenyl)methyl]phenol (1/1) chemical structure, C20H17ClO3, CAS 62707-06-6
Benzoic acid--4-[(4-chlorophenyl)methyl]phenol (1/1)
CAS 62707-06-6C20H17ClO3
Benzoic acid--2-[(4-chlorophenyl)methyl]phenol (1/1) chemical structure, C20H17ClO3, CAS 62707-04-4
Benzoic acid--2-[(4-chlorophenyl)methyl]phenol (1/1)
CAS 62707-04-4C20H17ClO3
Benzoic acid--4-[(3-chlorophenyl)methyl]phenol (1/1) chemical structure, C20H17ClO3, CAS 62707-02-2
Benzoic acid--4-[(3-chlorophenyl)methyl]phenol (1/1)
CAS 62707-02-2C20H17ClO3
Benzoic acid--2-[(3-chlorophenyl)methyl]phenol (1/1) chemical structure, C20H17ClO3, CAS 62707-00-0
Benzoic acid--2-[(3-chlorophenyl)methyl]phenol (1/1)
CAS 62707-00-0C20H17ClO3
Benzoic acid--4-[(2-chlorophenyl)methyl]phenol (1/1) chemical structure, C20H17ClO3, CAS 62706-98-3
Benzoic acid--4-[(2-chlorophenyl)methyl]phenol (1/1)
CAS 62706-98-3C20H17ClO3
2-[2-(4-Chlorophenyl)-2-phenylethenyl]-5,6-dihydro-4H-pyran-3-carboxylic acid chemical structure, C20H17ClO3
2-[2-(4-Chlorophenyl)-2-phenylethenyl]-5,6-dihydro-4H-pyran-3-carboxylic acid
C20H17ClO3

Frequently asked questions

What is the molar mass of C20H17ClO3?

The molar mass of C20H17ClO3 is 340.80 g/mol, calculated from standard atomic weights for 20 carbon atoms, 17 hydrogen atoms, 1 chlorine atom and 3 oxygen atoms. The monoisotopic mass is 340.0866 Da.

How many compounds have the formula C20H17ClO3?

CompoundList lists 23 compounds with the molecular formula C20H17ClO3, including 2-Chloro-2-(3-oxo-1-phenyl-pentyl)-indan-1,3-dione, Indanofan, 8-Chloro-7-[(4-methylphenyl)methoxy]-2,3-dihydro-1H-cyclopenta[c]chromen-4-one. 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 C20H17ClO3?

C20H17ClO3 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.