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Molecular formula

C20H20O5

128 compounds have this formula on CompoundList.

Molar mass
340.38g/mol
Monoisotopic mass
340.1311Da
Atoms
45
Elements
3
Rings plus double bonds
11

The formula C20H20O5 describes a molecule made of 20 carbon atoms, 20 hydrogen atoms 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 × 2070.58%
    12.011 × 20 = 240.220 g/mol
  • H Hydrogen × 205.92%
    1.008 × 20 = 20.160 g/mol
  • O Oxygen × 523.50%
    15.999 × 5 = 79.995 g/mol
Look up another formula

Compounds with the formula C20H20O5

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

Showing 101 to 128 of 128 compounds

Dimethyl 4-allyl-5-(benzyloxy)isophthalate chemical structure, C20H20O5, CAS 177957-73-2
Dimethyl 4-allyl-5-(benzyloxy)isophthalate
CAS 177957-73-2C20H20O5
3-[2-Methoxy-4-(1-propyn-1-yl)phenyl]-4-oxobicyclo[3.2.1]oct-2-en-2-yl methyl carbonate chemical structure, C20H20O5
3-[2-Methoxy-4-(1-propyn-1-yl)phenyl]-4-oxobicyclo[3.2.1]oct-2-en-2-yl methyl carbonate
C20H20O5
1,3-Diethyl 2-(4-benzoylphenyl)propanedioate chemical structure, C20H20O5, CAS 201404-27-5
1,3-Diethyl 2-(4-benzoylphenyl)propanedioate
CAS 201404-27-5C20H20O5
Tetrahydro-4-[4-[(phenylmethoxy)carbonyl]phenyl]-2H-pyran-4-carboxylic acid chemical structure, C20H20O5, CAS 1206612-57-8
Tetrahydro-4-[4-[(phenylmethoxy)carbonyl]phenyl]-2H-pyran-4-carboxylic acid
CAS 1206612-57-8C20H20O5
5-(3-(Benzyloxy)benzyl)-2,2-dimethyl-1,3-dioxane-4,6-dione chemical structure, C20H20O5, CAS 1094201-91-8
5-(3-(Benzyloxy)benzyl)-2,2-dimethyl-1,3-dioxane-4,6-dione
CAS 1094201-91-8C20H20O5
5-(4-(Benzyloxy)benzyl)-2,2-dimethyl-1,3-dioxane-4,6-dione chemical structure, C20H20O5, CAS 920525-54-8
5-(4-(Benzyloxy)benzyl)-2,2-dimethyl-1,3-dioxane-4,6-dione
CAS 920525-54-8C20H20O5
3-Acetyl-4-(but-2-en-1-yl)naphthalene-1,2-diyl diacetate chemical structure, C20H20O5, CAS 89510-20-3
3-Acetyl-4-(but-2-en-1-yl)naphthalene-1,2-diyl diacetate
CAS 89510-20-3C20H20O5
3 tert-Butyloxycarbonylmethyl oxo-4-benzyloxy-benzaldehyde chemical structure, C20H20O5, CAS 521310-73-6
3 tert-Butyloxycarbonylmethyl oxo-4-benzyloxy-benzaldehyde
CAS 521310-73-6C20H20O5
(6aR,11aR)-6a,11a-Dihydro-10-[(2S)-2-hydroxy-3-methyl-3-buten-1-yl]-6H-benzofuro[3,2-c][1]benzopyran-3,9-diol chemical structure, C20H20O5, CAS 78859-49-1
(6aR,11aR)-6a,11a-Dihydro-10-[(2S)-2-hydroxy-3-methyl-3-buten-1-yl]-6H-benzofuro[3,2-c][1]benzopyran-3,9-diol
CAS 78859-49-1C20H20O5
Methyl 4-(2-(benzyloxy)-5-methylphenyl)-2,4-dioxobutanoate chemical structure, C20H20O5, CAS 2803962-07-2
Methyl 4-(2-(benzyloxy)-5-methylphenyl)-2,4-dioxobutanoate
CAS 2803962-07-2C20H20O5
1-Hydroxy-3,5-dimethoxy-2-(2-methylbut-3-en-2-yl)-9H-xanthen-9-one chemical structure, C20H20O5, CAS 35345-53-0
1-Hydroxy-3,5-dimethoxy-2-(2-methylbut-3-en-2-yl)-9H-xanthen-9-one
CAS 35345-53-0C20H20O5
Ethyl 6-ethoxy-3-oxo-3H-xanthene-9-propanoate chemical structure, C20H20O5, CAS 16212-12-7
Ethyl 6-ethoxy-3-oxo-3H-xanthene-9-propanoate
CAS 16212-12-7C20H20O5
1-Ethyl-4-(4-hydroxy-3-methoxyphenyl)-7-methoxy-2,6-naphthalenediol chemical structure, C20H20O5, CAS 15462-99-4
1-Ethyl-4-(4-hydroxy-3-methoxyphenyl)-7-methoxy-2,6-naphthalenediol
CAS 15462-99-4C20H20O5
(E)-4-Methoxy-6-(3,4,5-trimethoxystyryl)benzofuran chemical structure, C20H20O5, CAS 832127-63-6
(E)-4-Methoxy-6-(3,4,5-trimethoxystyryl)benzofuran
CAS 832127-63-6C20H20O5
(Z)-4-Methoxy-6-(3,4,5-trimethoxystyryl)benzofuran chemical structure, C20H20O5, CAS 832126-90-6
(Z)-4-Methoxy-6-(3,4,5-trimethoxystyryl)benzofuran
CAS 832126-90-6C20H20O5
7-(1,3-Benzodioxol-5-yl)-3-methoxy-6-methyl-5-prop-2-enylbicyclo[3.2.1]oct-3-ene-2,8-dione chemical structure, C20H20O5
7-(1,3-Benzodioxol-5-yl)-3-methoxy-6-methyl-5-prop-2-enylbicyclo[3.2.1]oct-3-ene-2,8-dione
C20H20O5
[(1R)-3-Hydroxycyclobutane-1,2-diyl]bis(methylene) dibenzoate chemical structure, C20H20O5
[(1R)-3-Hydroxycyclobutane-1,2-diyl]bis(methylene) dibenzoate
C20H20O5
Dimethyl [(2-benzoylphenyl)methyl](methyl)propanedioate chemical structure, C20H20O5, CAS 88670-35-3
Dimethyl [(2-benzoylphenyl)methyl](methyl)propanedioate
CAS 88670-35-3C20H20O5
7-(3,4,5-Trimethoxyphenyl)-5,6-dihydro-2H-naphtho[2,3-d][1,3]dioxole chemical structure, C20H20O5, CAS 88840-55-5
7-(3,4,5-Trimethoxyphenyl)-5,6-dihydro-2H-naphtho[2,3-d][1,3]dioxole
CAS 88840-55-5C20H20O5
3-Propanoyl-4-(prop-2-en-1-yl)naphthalene-1,2-diyl diacetate chemical structure, C20H20O5, CAS 89510-02-1
3-Propanoyl-4-(prop-2-en-1-yl)naphthalene-1,2-diyl diacetate
CAS 89510-02-1C20H20O5
8-(Benzyloxy)-3-(hydroxymethyl)-5,6-dimethoxynaphthalen-1-ol chemical structure, C20H20O5, CAS 693784-41-7
8-(Benzyloxy)-3-(hydroxymethyl)-5,6-dimethoxynaphthalen-1-ol
CAS 693784-41-7C20H20O5
2-(4-Butoxy-3-methoxyphenyl)-7-hydroxy-4H-1-benzopyran-4-one chemical structure, C20H20O5, CAS 631922-05-9
2-(4-Butoxy-3-methoxyphenyl)-7-hydroxy-4H-1-benzopyran-4-one
CAS 631922-05-9C20H20O5
Methyl 1,4,8-trimethoxy-2-methylphenanthrene-3-carboxylate chemical structure, C20H20O5, CAS 88208-83-7
Methyl 1,4,8-trimethoxy-2-methylphenanthrene-3-carboxylate
CAS 88208-83-7C20H20O5
(5R)-7-(1,3-Benzodioxol-5-yl)-3-methoxy-6-methyl-5-prop-2-enylbicyclo[3.2.1]oct-3-ene-2,8-dione chemical structure, C20H20O5
(5R)-7-(1,3-Benzodioxol-5-yl)-3-methoxy-6-methyl-5-prop-2-enylbicyclo[3.2.1]oct-3-ene-2,8-dione
C20H20O5

Frequently asked questions

What is the molar mass of C20H20O5?

The molar mass of C20H20O5 is 340.38 g/mol, calculated from standard atomic weights for 20 carbon atoms, 20 hydrogen atoms and 5 oxygen atoms. The monoisotopic mass is 340.1311 Da.

How many compounds have the formula C20H20O5?

CompoundList lists 128 compounds with the molecular formula C20H20O5, including Dimethyl 4-allyl-5-(benzyloxy)isophthalate, 3-[2-Methoxy-4-(1-propyn-1-yl)phenyl]-4-oxobicyclo[3.2.1]oct-2-en-2-yl methyl carbonate, 1,3-Diethyl 2-(4-benzoylphenyl)propanedioate. 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 C20H20O5?

C20H20O5 has a degree of unsaturation of 11. 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.