Molecular formula

C₂₈H₁₈O₄

22 compounds have this formula on CompoundList.

Molar mass: 418.45g/mol
Monoisotopic mass: 418.1205Da
Atoms: 50
Elements: 3
Rings plus double bonds: 20

The formula C28H18O4 describes a molecule made of 28 carbon atoms, 18 hydrogen atoms and 4 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 × 2880.37%
12.011 × 28 = 336.308 g/mol
H Hydrogen × 184.34%
1.008 × 18 = 18.144 g/mol
O Oxygen × 415.29%
15.999 × 4 = 63.996 g/mol

Look up another formula

Compounds with the formula C28H18O4

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

Showing 1 to 22 of 22 compounds

alpha-Naphtholphthalein

CAS 596-01-0C₂₈H₁₈O₄

9,10-Di(p-carboxyphenyl)anthracene

CAS 42824-53-3C₂₈H₁₈O₄

9,10-Phenanthrenediol, dibenzoate

CAS 71310-31-1C₂₈H₁₈O₄

Dinaphthalen-2-yl benzene-1,3-dicarboxylate

CAS 64193-91-5C₂₈H₁₈O₄

[1,1':4',1'':4'',1'''-Quaterphenyl]-3,3''',5,5'''-tetracarbaldehyde

CAS 2459652-59-4C₂₈H₁₈O₄

2-Oxo-1,2-diphenylethyl 9-oxo-9H-fluorene-3-carboxylate

CAS 313394-96-6C₂₈H₁₈O₄

1,1'-Diphenyl[1,1'-bi-2-benzofuran]-3,3'(1H,1'H)-dione

CAS 60456-75-9C₂₈H₁₈O₄

10-(4-Biphenylyl)-3-methoxy-5H-benzo[c]furo[3,2-g]chromen-5-one

CAS 858747-98-5C₂₈H₁₈O₄

Dinaphthalen-1-yl benzene-1,2-dicarboxylate

CAS 138250-88-1C₂₈H₁₈O₄

Ethanedione, 1,1'-[1,1'-biphenyl]-4,4'-diylbis[2-phenyl-

CAS 47709-64-8C₂₈H₁₈O₄

Dinaphthalen-1-yl benzene-1,3-dicarboxylate

CAS 477773-59-4C₂₈H₁₈O₄

4,4'-((9H-Fluoren-9-ylidene)methylene)dibenzoic acid

CAS 2172939-31-8C₂₈H₁₈O₄

Benzo[rst]pentaphene-5,8-diyl diacetate

CAS 3509-60-2C₂₈H₁₈O₄

[2,2'-Bibenzofuran]-3,3'(2H,2'H)-dione, 2,2'-diphenyl-

CAS 63136-74-3C₂₈H₁₈O₄

[3,3'-Bibenzofuran]-2,2'(3H,3'H)-dione, 3,3'-diphenyl-

CAS 65425-10-7C₂₈H₁₈O₄

Dinaphthalen-1-yl benzene-1,4-dicarboxylate

CAS 58201-08-4C₂₈H₁₈O₄

3,3'-Diphenyl[5,5'-bi-1-benzofuran]-2,2'(3H,3'H)-dione

CAS 91097-15-3C₂₈H₁₈O₄

3,3-Bis(2-hydroxynaphthalen-1-yl)-2-benzofuran-1(3H)-one

CAS 116360-19-1C₂₈H₁₈O₄

3,3'-(Anthracene-9,10-diyl)dibenzoic acid

CAS 1818326-13-4C₂₈H₁₈O₄

[1,1':3',1'':3'',1'''-Quaterphenyl]-3,3''',5,5'''-tetracarbaldehyde

CAS 2459652-60-7C₂₈H₁₈O₄

4-[4-(4-Carboxynaphthalen-1-yl)phenyl]naphthalene-1-carboxylic acid

CAS 2732923-61-2C₂₈H₁₈O₄

[1,1':3',1'':3'',1'''-Quaterphenyl]-4,4''',5',5''-tetracarbaldehyde

CAS 2757248-24-9C₂₈H₁₈O₄

Frequently asked questions

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What is the molar mass of C28H18O4?

The molar mass of C28H18O4 is 418.45 g/mol, calculated from standard atomic weights for 28 carbon atoms, 18 hydrogen atoms and 4 oxygen atoms. The monoisotopic mass is 418.1205 Da.

How many compounds have the formula C28H18O4?

CompoundList lists 22 compounds with the molecular formula C28H18O4, including alpha-Naphtholphthalein, 9,10-Di(p-carboxyphenyl)anthracene, 9,10-Phenanthrenediol, dibenzoate. 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 C28H18O4?

C28H18O4 has a degree of unsaturation of 20. 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.