Molecular formula
C18H18O2
292 compounds have this formula on CompoundList.
- Molar mass
- 266.34g/mol
- Monoisotopic mass
- 272.1683Da
- Atoms
- 38
- Elements
- 3
- Rings plus double bonds
- 10
The formula C18H18O2 describes a molecule made of 18 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 × 1881.17%12.011 × 18 = 216.198 g/mol
- H Hydrogen × 186.81%1.008 × 18 = 18.144 g/mol
- O Oxygen × 212.01%15.999 × 2 = 31.998 g/mol
Look up another formula
Compounds with the formula C18H18O2
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 100 of 292 compounds
Honokiol
CAS 35354-74-6C18H18O2
Magnolol
CAS 528-43-8C18H18O2
Dienestrol
CAS 84-17-3C18H18O2
Equilenin
CAS 517-09-9C18H18O2
Phenol, 4,4'-(1,2-diethylidene-1,2-ethanediyl)bis-
CAS 1313738-05-4C18H18O2
3-Phenylpropyl cinnamate
CAS 122-68-9C18H18O2
Juncusol
CAS 62023-90-9C18H18O2
Conocarpan
CAS 56319-02-9C18H18O2
2-Ethyl-9,10-dimethoxyanthracene
CAS 26708-04-3C18H18O2
RefChem:357151
CAS 5349-91-7C18H18O2
Indenestrol
CAS 24643-97-8C18H18O2
(+)-Conocarpan
CAS 221666-27-9C18H18O2
4-Isopropyldibenzoylmethane
CAS 63250-25-9C18H18O2
Anolignan B
CAS 158081-98-2C18H18O2
4,4'-(1,2-Diethyl-1,2-ethanediylidene)bis(2,5-cyclohexadien-1-one)
CAS 5664-37-9C18H18O2
4,4'-Diacetylbibenzyl
CAS 793-06-6C18H18O2
1,6-Diphenyl-1,6-hexanedione
CAS 3375-38-0C18H18O2
2,2'-Diallyl-4,4'-biphenol
CAS 6942-01-4C18H18O2
5-(6-Methoxynaphthalen-2-yl)-3-methylcyclohex-2-enone, (5RS)-
CAS 343272-51-5C18H18O2
9,10-Diethoxyanthracene
CAS 68818-86-0C18H18O2
trans-9,10-Dihydro-9,10-ethanoanthracene-11,12-dimethanol
CAS 26495-88-5C18H18O2
(R)-Indenestrol A
CAS 115217-03-3C18H18O2
Indenestrol A, (-)-
CAS 115217-04-4C18H18O2
4-Ethoxy-4'-methylchalcone
CAS 39059-95-5C18H18O2
- Isomagnolol87688-90-2C18H18O2
- 4'-O-Methylnyasol79004-25-4C18H18O2
- Methyl 1-methyl-2,2-diphenylcyclopropanecarboxylate6975-21-9C18H18O2
- (RS)-Indenestrol B38028-27-2C18H18O2
- 4-(9,10-Dihydrophenanthren-2-yl)butanoic acid7494-59-9C18H18O2
- (2Z)-3-Hydroxy-1-phenyl-3-[4-(propan-2-yl)phenyl]prop-2-en-1-one331275-28-6C18H18O2
- 1,6-Diphenylhexa-1,5-diene-3,4-diol4403-20-7C18H18O2
- 2-Benzyl-1,2,3,4-tetrahydronaphthalene-2-carboxylic acid1482357-77-6C18H18O2
- 2-Ethoxy-4'-methylchalcone39059-94-4C18H18O2
- Juncutol1021950-14-0C18H18O2
- Juncuenin B1161681-20-4C18H18O2
- 1-(4-tert-Butylphenyl)-2-phenylethane-1,2-dione101789-39-3C18H18O2
- 4-((2Z,4Z)-2,5-Dideuterio-4-(4-hydroxyphenyl)hexa-2,4-dien-3-yl)phenol1346606-45-8C18H18O2
- 2-Allyl-6-(3-allyl-2-hydroxy-phenyl)phenol72216-56-9C18H18O2
- 3-Hydroxy-3-(4-isopropylphenyl)-1-phenylprop-2-en-1-oneC18H18O2
- (R)-Indenestrol B115217-05-5C18H18O2
- Tricyclo(9.2.2.1(4,8))hexadeca-hexaene-5-carboxylic acid ME ester33955-55-4C18H18O2
- Tricyclo(9.2.2.1(4,8))hexadeca-hexaene-12-carboxylic acid ME ester27720-93-0C18H18O2
- (Z)-3-Phenylpropyl 3-phenylacrylateC18H18O2
- 2,6-Dideuterio-4-[(2Z,4E)-2,5-dideuterio-4-(3,5-dideuterio-4-hydroxyphenyl)hexa-2,4-dien-3-yl]phenolC18H18O2
- 4-(3-Methyl-5-prop-1-enyl-2,3-dihydro-1-benzofuran-2-yl)phenolC18H18O2
- 4'-Methyl-[1,1'-biphenyl]-4-yl 3-methylbut-2-enoate634162-56-4C18H18O2
- Isodienestrol35495-11-5C18H18O2
- 1,5-Pentanedione, 3-methyl-1,5-diphenyl-1226-91-1C18H18O2
- 4-Cyclopentyliden(4-hydroxyphenyl)methylphenol66422-10-4C18H18O2
- Xenyhexenic acid964-82-9C18H18O2
- (1,1'-Biphenyl)-2,2'-diol, 5,5'-di-(1E)-1-propenyl-87979-85-9C18H18O2
- 2,7-Phenanthrenediol, 4-ethenyl-9,10-dihydro-1,8-dimethyl-144106-78-5C18H18O2
- 2-Propenoic acid, 3-phenyl-, 3-phenylpropyl esterC18H18O2
- (2E)-1-(4-Ethoxyphenyl)-3-(4-methylphenyl)prop-2-en-1-one1582302-84-8C18H18O2
- (2,2-Dimethyl-3,4-dihydro-2H-1-benzopyran-6-yl)(phenyl)methanone63565-09-3C18H18O2
- 9-Hydroxy-9-pivaloylfluorene145120-02-1C18H18O2
- 2-Methyl-5-(3-phenylpropionyl)-1-benzoxolane159264-96-7C18H18O2
- 1,3-Diphenyl-2-(propan-2-yl)propane-1,3-dione59875-96-6C18H18O2
- 1-Indanpropionic acid, 3-phenyl-72216-50-3C18H18O2
- 6-(2-Phenylethoxy)-1,2,3,4-tetrahydronaphthalen-1-one88628-49-3C18H18O2
- 9,10-Diethylphenanthrene-3,6-diol17294-79-0C18H18O2
- 5-(3-Ethyl-4-methoxyphenyl)-indan-1-one947547-42-4C18H18O2
- 2,5-Diphenylhex-3-yne-2,5-diol6289-26-5C18H18O2
- Sbb02258527450-45-9C18H18O2
- Isoequilenin902274-40-2C18H18O2
- Oxirane, 2,2'-((1,1'-biphenyl)-4,4'-diylbis(methylene))bis-81591-83-5C18H18O2
- 1,4-Diphenyl-2,3-dioxabicyclo[2.2.2]octane114396-00-8C18H18O2
- 4-Ethenyl-3,8-dimethyl-9,10-dihydrophenanthrene-1,7-diol144106-79-6C18H18O2
- Xenyhexenic acid, (+)-94886-45-0C18H18O2
- 4,4'-Biphenyldiol, 2,2'-diallyl-63992-39-2C18H18O2
- 2-Propenoic acid, 4-(1-methyl-1-phenylethyl)phenyl ester54449-74-0C18H18O2
- 1-(4-Hydroxyphenyl)-3-(4-isopropylphenyl)prop-2-en-1-one155269-25-3C18H18O2
- 1,4-Di-p-methoxyphenyl-butadienC18H18O2
- rel-(3aR,4S,9bS)-1,2,3,3a,4,9b-Hexahydro-4-phenylcyclopenta[c][1]benzopyran-8-ol609806-61-3C18H18O2
- Methanone, [4-[(3-methyl-2-butenyl)oxy]phenyl]phenyl-42403-62-3C18H18O2
- 2,6-Phenanthrenediol, 5-ethenyl-9,10-dihydro-1,7-dimethyl-144106-77-4C18H18O2
- 6-Methyl-3,4-diphenyloxan-2-one26735-66-0C18H18O2
- 1 suppliers4,4'-Bis(allyloxy)-1,1'-biphenyl41481-62-3C18H18O2
- 2-Methyl-1,3-bis(3-methylphenyl)propane-1,3-dione832739-52-3C18H18O2
- 1 suppliersZ,Z-Dienestrol-d691297-99-3C18H18O2
- 1 suppliers1,2-Bis(3,5-dimethylphenyl)ethane-1,2-dione101789-41-7C18H18O2
- Ethyl 2-(4-phenylphenyl)cyclopropane-1-carboxylate1052650-70-0C18H18O2
- 1-(2-Hydroxyphenyl)-3-(4-isopropylphenyl)prop-2-en-1-one73110-49-3C18H18O2
- 1-(4-Biphenylyl)cyclopentanecarboxylic Acid93877-26-0C18H18O2
- 1,6-Diphenyl-1,5-hexadiene-3,4-diol321307-10-2C18H18O2
- 1,6-Diphenylhexane-3,4-dione6958-90-3C18H18O2
- Ethyl (1R,2R)-2-(4-Biphenylyl)cyclopropanecarboxylate1052650-67-5C18H18O2
- Ethyl 1-([1,1'-biphenyl]-4-yl)cyclopropanecarboxylate1380650-55-4C18H18O2
- cis-1,2,3,4-Tetrahydro-2-phenyl-1-naphthaleneacetic acid7496-09-5C18H18O2
- 1,4-Di-p-tolylbutane-1,4-dione13145-56-7C18H18O2
- 2-(2-Phenyl-2,3-dihydro-1H-inden-5-yl)propanoic acid60232-11-3C18H18O2
- 2H-Pyran-2-one, tetrahydro-3,4-diphenyl-6-methyl-, (3-alpha,4-alpha,6-beta)-80575-31-1C18H18O2
- 2-Propen-1-one, 3-phenyl-1-(4-propoxyphenyl)-, (E)-64990-86-9C18H18O2
- 2,2-Diphenylcyclopropanecarboxylic acid ethyl ester37555-46-7C18H18O2
- 9,10-Bis(methoxymethyl) anthracene32449-02-8C18H18O2
- 1-Benzyl-7-methoxy-3,4-dihydronaphthalen-2(1H)-one263714-29-0C18H18O2
- Equilenin-d356588-54-6C18H18O2
- 1,2-Diphenylhexane-1,5-dione93877-37-3C18H18O2
- 2,2-Bis(4-methylphenyl)cyclopropane-1-carboxylic acid10036-83-6C18H18O2
- 4',4'''-Bipropiophenone4392-77-2C18H18O2
Frequently asked questions
What is the molar mass of C18H18O2?
The molar mass of C18H18O2 is 266.34 g/mol, calculated from standard atomic weights for 18 carbon atoms, 18 hydrogen atoms and 2 oxygen atoms. The monoisotopic mass is 272.1683 Da.
How many compounds have the formula C18H18O2?
CompoundList lists 292 compounds with the molecular formula C18H18O2, including Honokiol, Magnolol, Dienestrol. 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 C18H18O2?
C18H18O2 has a degree of unsaturation of 10. 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.