CompoundList
Molecular formula

C18H20O3

318 compounds have this formula on CompoundList.

Molar mass
284.35g/mol
Monoisotopic mass
284.1412Da
Atoms
41
Elements
3
Rings plus double bonds
9

The formula C18H20O3 describes a molecule made of 18 carbon atoms, 20 hydrogen atoms 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 × 1876.03%
    12.011 × 18 = 216.198 g/mol
  • H Hydrogen × 207.09%
    1.008 × 20 = 20.160 g/mol
  • O Oxygen × 316.88%
    15.999 × 3 = 47.997 g/mol
Look up another formula

Compounds with the formula C18H20O3

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

Showing 101 to 200 of 318 compounds

2-[2-Methyl-5-(propan-2-yl)phenoxy]-2-phenylacetic acid chemical structure, C18H20O3, CAS 1154658-29-3
2-[2-Methyl-5-(propan-2-yl)phenoxy]-2-phenylacetic acid
CAS 1154658-29-3C18H20O3
3-Methoxy-4-(4-T-butylphenyl)benzoic acid chemical structure, C18H20O3, CAS 1262009-05-1
3-Methoxy-4-(4-T-butylphenyl)benzoic acid
CAS 1262009-05-1C18H20O3
2-Methoxy-3-(4-T-butylphenyl)benzoic acid chemical structure, C18H20O3, CAS 1261947-32-3
2-Methoxy-3-(4-T-butylphenyl)benzoic acid
CAS 1261947-32-3C18H20O3
2-{2-[(Benzyloxy)methyl]phenyl}-2-methyl-1,3-dioxolane chemical structure, C18H20O3, CAS 917957-65-4
2-{2-[(Benzyloxy)methyl]phenyl}-2-methyl-1,3-dioxolane
CAS 917957-65-4C18H20O3
(2,2-Dimethyl-1,3-dioxolan-4-yl)(diphenyl)methanol chemical structure, C18H20O3, CAS 93903-31-2
(2,2-Dimethyl-1,3-dioxolan-4-yl)(diphenyl)methanol
CAS 93903-31-2C18H20O3
4-Methoxyphenyl 4-tert-butylbenzoate chemical structure, C18H20O3, CAS 499197-09-0
4-Methoxyphenyl 4-tert-butylbenzoate
CAS 499197-09-0C18H20O3
9,9-Dimethyl-1,2,3,4,10,11-hexahydrobenzo[c]pyrano[3,2-g]chromen-5-one chemical structure, C18H20O3, CAS 859658-10-9
9,9-Dimethyl-1,2,3,4,10,11-hexahydrobenzo[c]pyrano[3,2-g]chromen-5-one
CAS 859658-10-9C18H20O3
6'-Methyl-3',4'-dihydro-8'H-spiro[cyclohexane-1,2'-pyrano[3,2-g]chromen]-8'-one chemical structure, C18H20O3, CAS 898914-33-5
6'-Methyl-3',4'-dihydro-8'H-spiro[cyclohexane-1,2'-pyrano[3,2-g]chromen]-8'-one
CAS 898914-33-5C18H20O3
3-Phenyl-3-(4-propan-2-yloxyphenyl)propanoic acid chemical structure, C18H20O3, CAS 672277-94-0
3-Phenyl-3-(4-propan-2-yloxyphenyl)propanoic acid
CAS 672277-94-0C18H20O3
6-Benzyloxy-2,2-dimethylchroman-4-ol chemical structure, C18H20O3, CAS 223749-51-7
6-Benzyloxy-2,2-dimethylchroman-4-ol
CAS 223749-51-7C18H20O3
3-(4-Methoxyphenyl)-5-tert-butylsalicylaldehyde chemical structure, C18H20O3, CAS 402576-60-7
3-(4-Methoxyphenyl)-5-tert-butylsalicylaldehyde
CAS 402576-60-7C18H20O3
4-Hydroxy-7-methyl-naphthalene-2-carboxylic acid cyclohexyl ester chemical structure, C18H20O3, CAS 350047-70-0
4-Hydroxy-7-methyl-naphthalene-2-carboxylic acid cyclohexyl ester
CAS 350047-70-0C18H20O3
3-(4-tert-Butylphenyl)-4-methoxybenzoic acid chemical structure, C18H20O3, CAS 926253-83-0
3-(4-tert-Butylphenyl)-4-methoxybenzoic acid
CAS 926253-83-0C18H20O3
3-((2-(tert-Butyl)phenoxy)methyl)benzoic acid chemical structure, C18H20O3, CAS 938333-32-5
3-((2-(tert-Butyl)phenoxy)methyl)benzoic acid
CAS 938333-32-5C18H20O3
2-[4-(4-tert-Butylphenyl)phenoxy]aceticacid chemical structure, C18H20O3, CAS 1181237-40-0
2-[4-(4-tert-Butylphenyl)phenoxy]aceticacid
CAS 1181237-40-0C18H20O3
Benzenepropanoic acid, 2-methyl-4-(phenylmethoxy)-, methyl ester chemical structure, C18H20O3, CAS 728038-73-1
Benzenepropanoic acid, 2-methyl-4-(phenylmethoxy)-, methyl ester
CAS 728038-73-1C18H20O3
Benzoic acid, 4-[[4-(1-methylethyl)phenyl]methoxy]-, methyl ester chemical structure, C18H20O3, CAS 84404-22-8
Benzoic acid, 4-[[4-(1-methylethyl)phenyl]methoxy]-, methyl ester
CAS 84404-22-8C18H20O3
Methyl 2-(4-(benzyloxy)phenyl)-2-methylpropanoate chemical structure, C18H20O3, CAS 109492-91-3
Methyl 2-(4-(benzyloxy)phenyl)-2-methylpropanoate
CAS 109492-91-3C18H20O3
4-[2-(4-{[(2R)-Oxiran-2-yl]methoxy}phenyl)propan-2-yl]phenol chemical structure, C18H20O3, CAS 1203489-95-5
4-[2-(4-{[(2R)-Oxiran-2-yl]methoxy}phenyl)propan-2-yl]phenol
CAS 1203489-95-5C18H20O3
2-((2-(3-Methoxyphenethyl)phenoxy)methyl)oxirane chemical structure, C18H20O3, CAS 1140968-46-2
2-((2-(3-Methoxyphenethyl)phenoxy)methyl)oxirane
CAS 1140968-46-2C18H20O3
beta-Ethylidene-6-methoxy-alpha,alpha-dimethylnaphthalene-2-propionic acid chemical structure, C18H20O3, CAS 60533-05-3
beta-Ethylidene-6-methoxy-alpha,alpha-dimethylnaphthalene-2-propionic acid
CAS 60533-05-3C18H20O3
4a,9a-Epoxyanthracene-9,10-dione, 6-(1,1-dimethylethyl)-1,2,3,4-tetrahydro- chemical structure, C18H20O3, CAS 71173-50-7
4a,9a-Epoxyanthracene-9,10-dione, 6-(1,1-dimethylethyl)-1,2,3,4-tetrahydro-
CAS 71173-50-7C18H20O3
(7alpha,8alpha)-7,8-Epoxy-3-hydroxyestra-1,3,5(10)-trien-17-one chemical structure, C18H20O3, CAS 55056-56-9
(7alpha,8alpha)-7,8-Epoxy-3-hydroxyestra-1,3,5(10)-trien-17-one
CAS 55056-56-9C18H20O3
5-(1-Phenylethyl)-6-propoxy-1,3-benzodioxole chemical structure, C18H20O3, CAS 71712-22-6
5-(1-Phenylethyl)-6-propoxy-1,3-benzodioxole
CAS 71712-22-6C18H20O3

Frequently asked questions

What is the molar mass of C18H20O3?

The molar mass of C18H20O3 is 284.35 g/mol, calculated from standard atomic weights for 18 carbon atoms, 20 hydrogen atoms and 3 oxygen atoms. The monoisotopic mass is 284.1412 Da.

How many compounds have the formula C18H20O3?

CompoundList lists 318 compounds with the molecular formula C18H20O3, including 2-[2-Methyl-5-(propan-2-yl)phenoxy]-2-phenylacetic acid, 3-Methoxy-4-(4-T-butylphenyl)benzoic acid, 2-Methoxy-3-(4-T-butylphenyl)benzoic acid. 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 C18H20O3?

C18H20O3 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.