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Molecular formula

C18H20O5

129 compounds have this formula on CompoundList.

Molar mass
316.35g/mol
Monoisotopic mass
316.1311Da
Atoms
43
Elements
3
Rings plus double bonds
9

The formula C18H20O5 describes a molecule made of 18 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 × 1868.34%
    12.011 × 18 = 216.198 g/mol
  • H Hydrogen × 206.37%
    1.008 × 20 = 20.160 g/mol
  • O Oxygen × 525.29%
    15.999 × 5 = 79.995 g/mol
Look up another formula

Compounds with the formula C18H20O5

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

Showing 101 to 129 of 129 compounds

15,16-Diethynyl-2,3,5,6,8,9,11,12-octahydrobenzo[b][1,4,7,10,13]pentaoxacyclopentadecine chemical structure, C18H20O5, CAS 680573-26-6
15,16-Diethynyl-2,3,5,6,8,9,11,12-octahydrobenzo[b][1,4,7,10,13]pentaoxacyclopentadecine
CAS 680573-26-6C18H20O5
1-[4-(Benzyloxy)-3-methoxyphenyl]-2-ethoxy-2-hydroxyethan-1-one chemical structure, C18H20O5, CAS 88578-11-4
1-[4-(Benzyloxy)-3-methoxyphenyl]-2-ethoxy-2-hydroxyethan-1-one
CAS 88578-11-4C18H20O5
{4-[5-(1,3-Dioxan-2-yl)-2-methoxyphenoxy]phenyl}methanol chemical structure, C18H20O5, CAS 101553-98-4
{4-[5-(1,3-Dioxan-2-yl)-2-methoxyphenoxy]phenyl}methanol
CAS 101553-98-4C18H20O5
(3R)-3-(2,4,5-Trimethoxyphenyl)-3,4-dihydro-2H-1-benzopyran-7-ol chemical structure, C18H20O5, CAS 122577-99-5
(3R)-3-(2,4,5-Trimethoxyphenyl)-3,4-dihydro-2H-1-benzopyran-7-ol
CAS 122577-99-5C18H20O5
3-[2-(3,4-Dihydroxyphenyl)ethyl]-5,6,7,8-tetrahydro-1,2,4-naphthalenetriol chemical structure, C18H20O5, CAS 483-61-4
3-[2-(3,4-Dihydroxyphenyl)ethyl]-5,6,7,8-tetrahydro-1,2,4-naphthalenetriol
CAS 483-61-4C18H20O5
3,4-Dimethoxy-2-[2-(3-methoxyphenyl)ethyl]benzoic acid chemical structure, C18H20O5, CAS 112431-66-0
3,4-Dimethoxy-2-[2-(3-methoxyphenyl)ethyl]benzoic acid
CAS 112431-66-0C18H20O5
1,2,6,7-Tetramethoxy-9,10-dihydrophenanthren-3-ol chemical structure, C18H20O5, CAS 1098755-64-6
1,2,6,7-Tetramethoxy-9,10-dihydrophenanthren-3-ol
CAS 1098755-64-6C18H20O5
3-[4-(2-Benzyloxyethoxy)phenyl]-2-hydroxypropionic acid chemical structure, C18H20O5, CAS 1003884-40-9
3-[4-(2-Benzyloxyethoxy)phenyl]-2-hydroxypropionic acid
CAS 1003884-40-9C18H20O5
1-(6-Hydroxy-2,3,4-trimethoxyphenyl)-3-phenylpropan-1-one chemical structure, C18H20O5, CAS 88938-99-2
1-(6-Hydroxy-2,3,4-trimethoxyphenyl)-3-phenylpropan-1-one
CAS 88938-99-2C18H20O5
(2R,3R,4S)-2-(3,4-Dimethoxyphenyl)-6-methyl-3,4-dihydro-2H-1-benzopyran-3,4-diol chemical structure, C18H20O5, CAS 2411-42-9
(2R,3R,4S)-2-(3,4-Dimethoxyphenyl)-6-methyl-3,4-dihydro-2H-1-benzopyran-3,4-diol
CAS 2411-42-9C18H20O5
2-[(3,4-Dimethoxyphenyl)methyl]-4,5-dimethoxybenzaldehyde chemical structure, C18H20O5, CAS 103477-59-4
2-[(3,4-Dimethoxyphenyl)methyl]-4,5-dimethoxybenzaldehyde
CAS 103477-59-4C18H20O5
2-Naphthalenecarboxylic acid, 6,8-dimethoxy-4-(2-propen-1-yloxy)-, ethyl ester chemical structure, C18H20O5, CAS 477849-65-3
2-Naphthalenecarboxylic acid, 6,8-dimethoxy-4-(2-propen-1-yloxy)-, ethyl ester
CAS 477849-65-3C18H20O5
2,3-Dimethoxy-2-(4-methoxyphenyl)-3,4-dihydro-2H-1-benzopyran-3-ol chemical structure, C18H20O5, CAS 88187-10-4
2,3-Dimethoxy-2-(4-methoxyphenyl)-3,4-dihydro-2H-1-benzopyran-3-ol
CAS 88187-10-4C18H20O5
1,3,7,9-Tetramethoxy-2,6-dimethyldibenzo[b,d]furan chemical structure, C18H20O5, CAS 24565-66-0
1,3,7,9-Tetramethoxy-2,6-dimethyldibenzo[b,d]furan
CAS 24565-66-0C18H20O5
1-(4-Ethoxy-3-methoxyphenyl)-3-hydroxy-2-phenoxypropan-1-one chemical structure, C18H20O5, CAS 106075-03-0
1-(4-Ethoxy-3-methoxyphenyl)-3-hydroxy-2-phenoxypropan-1-one
CAS 106075-03-0C18H20O5
2-(3,4-Diethoxyphenyl)-1-(2,4-dihydroxyphenyl)ethan-1-one chemical structure, C18H20O5, CAS 138948-69-3
2-(3,4-Diethoxyphenyl)-1-(2,4-dihydroxyphenyl)ethan-1-one
CAS 138948-69-3C18H20O5
3-[2-(3,4-Dimethoxyphenyl)-2-hydroxyethyl]-4-methoxybenzaldehyde chemical structure, C18H20O5, CAS 144279-87-8
3-[2-(3,4-Dimethoxyphenyl)-2-hydroxyethyl]-4-methoxybenzaldehyde
CAS 144279-87-8C18H20O5
2-[2-(2-Methoxyethoxy)ethoxy]ethyl 3,5-diethynylbenzoate chemical structure, C18H20O5, CAS 398119-23-8
2-[2-(2-Methoxyethoxy)ethoxy]ethyl 3,5-diethynylbenzoate
CAS 398119-23-8C18H20O5
2-[2-(Benzyloxy)ethoxy]ethyl 2-hydroxybenzoate chemical structure, C18H20O5, CAS 478866-55-6
2-[2-(Benzyloxy)ethoxy]ethyl 2-hydroxybenzoate
CAS 478866-55-6C18H20O5
Diethyl 2-(3,4-dihydronaphthalen-1-yl)-3-oxobutanedioate chemical structure, C18H20O5, CAS 62741-64-4
Diethyl 2-(3,4-dihydronaphthalen-1-yl)-3-oxobutanedioate
CAS 62741-64-4C18H20O5
(2,4-Dimethoxy-5-methylphenyl)(2,5-dimethoxyphenyl)methanone chemical structure, C18H20O5, CAS 61234-71-7
(2,4-Dimethoxy-5-methylphenyl)(2,5-dimethoxyphenyl)methanone
CAS 61234-71-7C18H20O5
(2,4-Dimethoxy-5-methylphenyl)(3,5-dimethoxyphenyl)methanone chemical structure, C18H20O5, CAS 61234-69-3
(2,4-Dimethoxy-5-methylphenyl)(3,5-dimethoxyphenyl)methanone
CAS 61234-69-3C18H20O5
3-(3,4-Dimethoxyphenyl)-2-(2-methoxyphenoxy)prop-2-en-1-ol chemical structure, C18H20O5, CAS 87286-67-7
3-(3,4-Dimethoxyphenyl)-2-(2-methoxyphenoxy)prop-2-en-1-ol
CAS 87286-67-7C18H20O5
4-Methoxyphenyl 4-(4-hydroxybutoxy)benzoate chemical structure, C18H20O5, CAS 821798-36-1
4-Methoxyphenyl 4-(4-hydroxybutoxy)benzoate
CAS 821798-36-1C18H20O5

Frequently asked questions

What is the molar mass of C18H20O5?

The molar mass of C18H20O5 is 316.35 g/mol, calculated from standard atomic weights for 18 carbon atoms, 20 hydrogen atoms and 5 oxygen atoms. The monoisotopic mass is 316.1311 Da.

How many compounds have the formula C18H20O5?

CompoundList lists 129 compounds with the molecular formula C18H20O5, including 15,16-Diethynyl-2,3,5,6,8,9,11,12-octahydrobenzo[b][1,4,7,10,13]pentaoxacyclopentadecine, 1-[4-(Benzyloxy)-3-methoxyphenyl]-2-ethoxy-2-hydroxyethan-1-one, {4-[5-(1,3-Dioxan-2-yl)-2-methoxyphenoxy]phenyl}methanol. 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 C18H20O5?

C18H20O5 has a degree of unsaturation of 9. 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.