C20H18O2
158 compounds have this formula on CompoundList.
- Molar mass
- 290.36g/mol
- Monoisotopic mass
- 295.1621Da
- Atoms
- 40
- Elements
- 3
- Rings plus double bonds
- 12
The formula C20H18O2 describes a molecule made of 20 carbon atoms, 18 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 × 2082.73%12.011 × 20 = 240.220 g/mol
- H Hydrogen × 186.25%1.008 × 18 = 18.144 g/mol
- O Oxygen × 211.02%15.999 × 2 = 31.998 g/mol
Compounds with the formula C20H18O2
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 101 to 158 of 158 compounds
![Cyclopentanone, 2-[(4-methoxyphenyl)methylene]-5-(phenylmethylene)- chemical structure, C20H18O2, CAS 62643-70-3](/s/HFVSWENCYCFDGP-UHFFFAOYSA-N.svg)
![2-[4-(6-Phenyl-1,3,5-hexatrien-1-yl)phenyl]acetic acid chemical structure, C20H18O2, CAS 351009-32-0](/s/LOMWYEZODYXEIS-HOXLXQKJSA-N.svg)
![3,8-Dimethoxy-1-phenyl-1,2-dihydrocyclobuta[b]naphthalene chemical structure, C20H18O2, CAS 186769-27-7](/s/FLAUVILFVXWECX-UHFFFAOYSA-N.svg)
![1-{3-[(Naphthalen-2-yl)methoxy]phenyl}propan-1-one chemical structure, C20H18O2, CAS 129425-69-0](/s/HQAJCKRSPWKREW-UHFFFAOYSA-N.svg)
![1-[5-Methoxy-2-(2-naphthalenyl)phenyl]-2-propanone chemical structure, C20H18O2, CAS 182320-30-5](/s/ZDLVCIWQNBCKEK-UHFFFAOYSA-N.svg)
![[4'-(Benzyloxy)[1,1'-biphenyl]-4-yl]methanol chemical structure, C20H18O2, CAS 214978-34-4](/s/VUDNDKVQARBRKY-UHFFFAOYSA-N.svg)
![[4-[2-(4-Propylphenyl)ethynyl]phenyl] prop-2-enoate chemical structure, C20H18O2, CAS 185912-82-7](/s/ZJOIGKYWAJEWJR-UHFFFAOYSA-N.svg)
![3,7,9-Trimethyl-7H-benzo[c]fluorene-5,7-diol chemical structure, C20H18O2, CAS 1300688-48-5](/s/QYXAJCUNORXMIE-UHFFFAOYSA-N.svg)
![3-Methoxy-7,7-dimethyl-7H-benzo[c]fluoren-5-ol chemical structure, C20H18O2, CAS 1379371-93-3](/s/SJWZFUTWCOQFMX-UHFFFAOYSA-N.svg)
![1-(Benzyloxy)-4-[(prop-2-en-1-yl)oxy]naphthalene chemical structure, C20H18O2, CAS 113918-63-1](/s/DXUICLHOQXJAEF-UHFFFAOYSA-N.svg)
- 3,4-Dibenzylidenehexane-2,5-dione112169-69-4C20H18O2
- 4-(2-Phenoxyethoxy)-1,1'-biphenyl258268-48-3C20H18O2
- 1-{2-[1-(1-Hydroxynaphthalen-2-yl)ethyl]phenyl}ethan-1-one65273-22-5C20H18O2
- Benzoic acid, 4-(1-naphthalenyl)-, propyl ester676578-73-7C20H18O2
- 4-[Methoxy(diphenyl)methyl]phenol62345-20-4C20H18O2
- 1-{2-[(Propan-2-yl)oxy]phenyl}naphthalene-2-carbaldehyde1084904-40-4C20H18O2
- 4-(2-Hydroxy-1,2-diphenylethyl)phenol94549-25-4C20H18O2
- Bisphenol AP-d52469555-57-3C20H18O2
- 6,11-Dimethyl-1,2-dihydrochrysene-1,2-diol84300-41-4C20H18O2
- 2-[(4-Hydroxyphenyl)(4-methylphenyl)methyl]phenol63074-85-1C20H18O2
- 3-Methyl-8-(prop-1-en-1-yl)-2-(m-tolyl)-4H-chromen-4-one95461-16-8C20H18O2
- 2-Methyl-1-(3-methylbut-2-en-1-yl)anthracene-9,10-dione102077-60-1C20H18O2
- [2,2'-Binaphthalene]-2,2'(1H,1'H)-diol4444-34-2C20H18O2
- 2',5'-Dimethoxy-1,1':4',1''-terphenyl100151-17-5C20H18O2
- [4'-(Benzyloxy)[1,1'-biphenyl]-3-yl]methanol889951-40-0C20H18O2
- [2'-(Benzyloxy)[1,1'-biphenyl]-4-yl]methanol889951-45-5C20H18O2
- [3'-(Benzyloxy)[1,1'-biphenyl]-3-yl]methanol889951-51-3C20H18O2
- (5-Ethyl-2-methoxyphenyl)-naphthalen-1-ylmethanone847347-45-9C20H18O2
- 1-Ethynyl-2-[2-(2-ethynyl-4-methoxyphenyl)ethyl]-4-methoxybenzene89414-53-9C20H18O2
- Ethyl 6-(azulen-2-yl)cyclohepta-1,3,5-triene-1-carboxylate142232-25-5C20H18O2
- 4-[(3-Methoxyphenyl)methoxy]-1,1'-biphenyl143522-23-0C20H18O2
- 9,10-Dimethyl-3,4-dihydrotetraphene-3,4-diol404597-03-1C20H18O2
- Methyl 4-(diphenylmethylidene)hexa-2,5-dienoate698389-87-6C20H18O2
- 5-Benzylidene-2-ethoxy-4-phenylcyclopent-2-en-1-one647024-77-9C20H18O2
- 4,4'-(Buta-1,3-diyne-1,4-diyl)bis(2,6-dimethylphenol)822411-44-9C20H18O2
- Ethyl 1-(4'-ethynyl-[1,1'-biphenyl]-4-yl)cyclopropanecarboxylate3078381-54-8C20H18O2
- (7S,12S)-7,12-Dimethylbenzo(b)phenanthrene-7,12-diol55125-18-3C20H18O2
- 7-Ethyl-3,4-dihydrobenzo(a)anthracene-3,4-diol115392-06-8C20H18O2
- 1,4-Di(3-hydroxymethylphenyl)benzene1347043-79-1C20H18O2
- 2-(2,2-Dimethyl-5-phenylfuran-3(2H)-ylidene)-1-phenylethanone63838-74-4C20H18O2
- (4'-Methoxy-[1,1'-biphenyl]-4-yl)(phenyl)methanol63242-26-2C20H18O2
- 1-Methylethyl 4-(2-naphthalenyl)benzoate916235-65-9C20H18O2
- 1_(8_(4_(Methoxymethyl)phenyl)naphthalen_1_yl)ethan_1_one3107970-17-9C20H18O2
- [3-[3-[3-(Hydroxymethyl)phenyl]phenyl]phenyl]methanol1347043-83-7C20H18O2
Frequently asked questions
What is the molar mass of C20H18O2?
The molar mass of C20H18O2 is 290.36 g/mol, calculated from standard atomic weights for 20 carbon atoms, 18 hydrogen atoms and 2 oxygen atoms. The monoisotopic mass is 295.1621 Da.
How many compounds have the formula C20H18O2?
CompoundList lists 158 compounds with the molecular formula C20H18O2, including 5,12-Dimethyl-1,2-dihydrochrysene-1,2-diol, 7-Ethyl-8,9-dihydrotetraphene-8,9-diol, 7-Ethyl-10,11-dihydrotetraphene-10,11-diol. 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 C20H18O2?
C20H18O2 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.