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Molecular formula

C18H20O2

331 compounds have this formula on CompoundList.

Molar mass
268.36g/mol
Monoisotopic mass
276.1965Da
Atoms
40
Elements
3
Rings plus double bonds
9

The formula C18H20O2 describes a molecule made of 18 carbon atoms, 20 hydrogen atoms and 2 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 × 1880.56%
    12.011 × 18 = 216.198 g/mol
  • H Hydrogen × 207.51%
    1.008 × 20 = 20.160 g/mol
  • O Oxygen × 211.92%
    15.999 × 2 = 31.998 g/mol
Look up another formula

Compounds with the formula C18H20O2

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

Showing 301 to 331 of 331 compounds

4'-Isobutyl-4-methoxy-[1,1'-biphenyl]-2-carbaldehyde chemical structure, C18H20O2, CAS 1958439-62-7
4'-Isobutyl-4-methoxy-[1,1'-biphenyl]-2-carbaldehyde
CAS 1958439-62-7C18H20O2
4'-(tert-Butyl)-5-methyl-[1,1'-biphenyl]-3-carboxylic acid chemical structure, C18H20O2, CAS 1707926-20-2
4'-(tert-Butyl)-5-methyl-[1,1'-biphenyl]-3-carboxylic acid
CAS 1707926-20-2C18H20O2
4'-Isobutyl-5-methyl-[1,1'-biphenyl]-3-carboxylic acid chemical structure, C18H20O2, CAS 1707759-65-6
4'-Isobutyl-5-methyl-[1,1'-biphenyl]-3-carboxylic acid
CAS 1707759-65-6C18H20O2
[2,2-Dimethyl-1-(4-phenoxyphenyl)cyclopropyl]methanol chemical structure, C18H20O2, CAS 1889864-81-6
[2,2-Dimethyl-1-(4-phenoxyphenyl)cyclopropyl]methanol
CAS 1889864-81-6C18H20O2
Ethyl 4'-propyl[1,1'-biphenyl]-4-carboxylate chemical structure, C18H20O2, CAS 1256481-49-8
Ethyl 4'-propyl[1,1'-biphenyl]-4-carboxylate
CAS 1256481-49-8C18H20O2
[2,2-Dimethyl-1-(3-phenoxyphenyl)cyclopropyl]methanol chemical structure, C18H20O2, CAS 2228790-14-3
[2,2-Dimethyl-1-(3-phenoxyphenyl)cyclopropyl]methanol
CAS 2228790-14-3C18H20O2
2-[4-(3-tert-Butylphenyl)phenyl]acetic acid chemical structure, C18H20O2, CAS 2138383-13-6
2-[4-(3-tert-Butylphenyl)phenyl]acetic acid
CAS 2138383-13-6C18H20O2
[2,2-Dimethyl-1-(2-phenoxyphenyl)cyclopropyl]methanol chemical structure, C18H20O2, CAS 2228535-27-9
[2,2-Dimethyl-1-(2-phenoxyphenyl)cyclopropyl]methanol
CAS 2228535-27-9C18H20O2
17beta-Dihydroequilenin-4,16,16-d3 chemical structure, C18H20O2
17beta-Dihydroequilenin-4,16,16-d3
C18H20O2
6-(4-Ethoxyphenyl)-1,2,3,4-tetrahydronaphthalen-1-ol chemical structure, C18H20O2, CAS 3078355-25-3
6-(4-Ethoxyphenyl)-1,2,3,4-tetrahydronaphthalen-1-ol
CAS 3078355-25-3C18H20O2
(2-(Benzyloxy)-5-cyclopropyl-3-methylphenyl)methanol chemical structure, C18H20O2, CAS 3078569-63-5
(2-(Benzyloxy)-5-cyclopropyl-3-methylphenyl)methanol
CAS 3078569-63-5C18H20O2
2,2-Dimethyl-1-[2-(phenylmethoxy)phenyl]-1-propanone chemical structure, C18H20O2, CAS 1044067-36-8
2,2-Dimethyl-1-[2-(phenylmethoxy)phenyl]-1-propanone
CAS 1044067-36-8C18H20O2
(4-(Benzyloxy)-2-methylphenyl)(cyclopropyl)methanol chemical structure, C18H20O2, CAS 2969326-08-5
(4-(Benzyloxy)-2-methylphenyl)(cyclopropyl)methanol
CAS 2969326-08-5C18H20O2
2-(Benzyloxy)-5-isobutylbenzaldehyde chemical structure, C18H20O2, CAS 2901066-02-0
2-(Benzyloxy)-5-isobutylbenzaldehyde
CAS 2901066-02-0C18H20O2
Ethyl 3,4-diphenylbutanoate chemical structure, C18H20O2, CAS 72277-18-0
Ethyl 3,4-diphenylbutanoate
CAS 72277-18-0C18H20O2
1-Penten-3-ol, 2-methyl-1-(3-phenoxyphenyl)-, (R-(E))- chemical structure, C18H20O2, CAS 99566-45-7
1-Penten-3-ol, 2-methyl-1-(3-phenoxyphenyl)-, (R-(E))-
CAS 99566-45-7C18H20O2
1-(4-Methoxyphenyl)-3-phenylpentan-1-one chemical structure, C18H20O2, CAS 130768-89-7
1-(4-Methoxyphenyl)-3-phenylpentan-1-one
CAS 130768-89-7C18H20O2
1-Phenylethyl 4-phenylbutanoate chemical structure, C18H20O2, CAS 321200-82-2
1-Phenylethyl 4-phenylbutanoate
CAS 321200-82-2C18H20O2
2,2-Dimethyl-3,3-diphenylbutanoic acid chemical structure, C18H20O2, CAS 2938292-58-9
2,2-Dimethyl-3,3-diphenylbutanoic acid
CAS 2938292-58-9C18H20O2
4'-(1,1-Dimethylethyl)[1,1'-biphenyl]-2-acetic acid chemical structure, C18H20O2, CAS 1181584-65-5
4'-(1,1-Dimethylethyl)[1,1'-biphenyl]-2-acetic acid
CAS 1181584-65-5C18H20O2
2-(Benzyloxy)-5-(sec-butyl)benzaldehyde chemical structure, C18H20O2, CAS 1548017-52-2
2-(Benzyloxy)-5-(sec-butyl)benzaldehyde
CAS 1548017-52-2C18H20O2
3-Hydroxy-1,3-bis(4-methylphenyl)butan-1-one chemical structure, C18H20O2, CAS 6397-71-3
3-Hydroxy-1,3-bis(4-methylphenyl)butan-1-one
CAS 6397-71-3C18H20O2
3'-(1,1-Dimethylethyl)-4'-methoxy[1,1'-biphenyl]-4-carboxaldehyde chemical structure, C18H20O2, CAS 1505290-74-3
3'-(1,1-Dimethylethyl)-4'-methoxy[1,1'-biphenyl]-4-carboxaldehyde
CAS 1505290-74-3C18H20O2
3'-(1,1-Dimethylethyl)-4'-methoxy[1,1'-biphenyl]-3-carboxaldehyde chemical structure, C18H20O2, CAS 1538786-68-3
3'-(1,1-Dimethylethyl)-4'-methoxy[1,1'-biphenyl]-3-carboxaldehyde
CAS 1538786-68-3C18H20O2

Frequently asked questions

What is the molar mass of C18H20O2?

The molar mass of C18H20O2 is 268.36 g/mol, calculated from standard atomic weights for 18 carbon atoms, 20 hydrogen atoms and 2 oxygen atoms. The monoisotopic mass is 276.1965 Da.

How many compounds have the formula C18H20O2?

CompoundList lists 331 compounds with the molecular formula C18H20O2, including 4'-Isobutyl-4-methoxy-[1,1'-biphenyl]-2-carbaldehyde, 4'-(tert-Butyl)-5-methyl-[1,1'-biphenyl]-3-carboxylic acid, 4'-Isobutyl-5-methyl-[1,1'-biphenyl]-3-carboxylic 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 C18H20O2?

C18H20O2 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.