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Molecular formula

C21H22O3

41 compounds have this formula on CompoundList.

Molar mass
322.40g/mol
Monoisotopic mass
322.1569Da
Atoms
46
Elements
3
Rings plus double bonds
11

The formula C21H22O3 describes a molecule made of 21 carbon atoms, 22 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 × 2178.23%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 226.88%
    1.008 × 22 = 22.176 g/mol
  • O Oxygen × 314.89%
    15.999 × 3 = 47.997 g/mol
Look up another formula

Compounds with the formula C21H22O3

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

Showing 1 to 41 of 41 compounds

Derricin chemical structure, C21H22O3, CAS 38965-77-4
Derricin
CAS 38965-77-4C21H22O3
4-[3-(4-Methylphenyl)-3-oxo-1-propenyl]phenyl pivalate chemical structure, C21H22O3, CAS 331460-43-6
4-[3-(4-Methylphenyl)-3-oxo-1-propenyl]phenyl pivalate
CAS 331460-43-6C21H22O3
(E)-p-(2-(4,4-Dimethylchroman-6-yl)propenyl)benzoic acid chemical structure, C21H22O3, CAS 88579-29-7
(E)-p-(2-(4,4-Dimethylchroman-6-yl)propenyl)benzoic acid
CAS 88579-29-7C21H22O3
2-Naphthyl 4,7,7-trimethyl-3-oxobicyclo[2.2.1]heptanecarboxylate chemical structure, C21H22O3, CAS 618402-49-6
2-Naphthyl 4,7,7-trimethyl-3-oxobicyclo[2.2.1]heptanecarboxylate
CAS 618402-49-6C21H22O3
Lonchocarpene chemical structure, C21H22O3, CAS 103805-58-9
Lonchocarpene
CAS 103805-58-9C21H22O3
Pterosin B benzoate chemical structure, C21H22O3, CAS 39815-61-7
Pterosin B benzoate
CAS 39815-61-7C21H22O3
Isoderricin A chemical structure, C21H22O3, CAS 38965-75-2
Isoderricin A
CAS 38965-75-2C21H22O3
Cyclobutanone, 2,2-bis(4-methoxyphenyl)-4-(1-methylethylidene)- chemical structure, C21H22O3, CAS 656241-65-5
Cyclobutanone, 2,2-bis(4-methoxyphenyl)-4-(1-methylethylidene)-
CAS 656241-65-5C21H22O3
Cyclobutanone, 2,2-bis(4-methoxyphenyl)-3,3-dimethyl-4-methylene- chemical structure, C21H22O3, CAS 656241-64-4
Cyclobutanone, 2,2-bis(4-methoxyphenyl)-3,3-dimethyl-4-methylene-
CAS 656241-64-4C21H22O3
9-(2-Phenylethyl)-3,4,5,6,7,9-hexahydro-1H-xanthene-1,8(2H)-dione chemical structure, C21H22O3, CAS 312280-73-2
9-(2-Phenylethyl)-3,4,5,6,7,9-hexahydro-1H-xanthene-1,8(2H)-dione
CAS 312280-73-2C21H22O3
7-[(2,5-Dimethylbenzyl)oxy]-4-ethyl-8-methyl-2H-chromen-2-one chemical structure, C21H22O3, CAS 6527-85-1
7-[(2,5-Dimethylbenzyl)oxy]-4-ethyl-8-methyl-2H-chromen-2-one
CAS 6527-85-1C21H22O3
6-Hexyl-7-hydroxy-4-phenyl-2H-chromen-2-one chemical structure, C21H22O3, CAS 151361-40-9
6-Hexyl-7-hydroxy-4-phenyl-2H-chromen-2-one
CAS 151361-40-9C21H22O3
Propyl 5-oxo-2,3-diphenylcyclopentanecarboxylate chemical structure, C21H22O3, CAS 1772-54-9
Propyl 5-oxo-2,3-diphenylcyclopentanecarboxylate
CAS 1772-54-9C21H22O3
2-[4-Hydroxy-3,5-di(propan-2-yl)phenyl]-1H-indene-1,3(2H)-dione chemical structure, C21H22O3, CAS 38354-23-3
2-[4-Hydroxy-3,5-di(propan-2-yl)phenyl]-1H-indene-1,3(2H)-dione
CAS 38354-23-3C21H22O3
1-Benzoxepin-5(2H)-one, 3,4-dihydro-4-((4-methoxyphenyl)methylene)-6,8,9-trimethyl- chemical structure, C21H22O3, CAS 124392-68-3
1-Benzoxepin-5(2H)-one, 3,4-dihydro-4-((4-methoxyphenyl)methylene)-6,8,9-trimethyl-
CAS 124392-68-3C21H22O3
Methyl vinhaticoate chemical structure, C21H22O3, CAS 4614-52-2
Methyl vinhaticoate
CAS 4614-52-2C21H22O3
Methyl 4-[2-(4-hydroxyphenyl)bicyclo[2.2.1]heptan-2-yl]benzoate chemical structure, C21H22O3, CAS 951671-13-9
Methyl 4-[2-(4-hydroxyphenyl)bicyclo[2.2.1]heptan-2-yl]benzoate
CAS 951671-13-9C21H22O3
4-Hydroxy-6,6-diphenethyl-5,6-dihydro-pyran-2-one chemical structure, C21H22O3, CAS 174484-85-6
4-Hydroxy-6,6-diphenethyl-5,6-dihydro-pyran-2-one
CAS 174484-85-6C21H22O3
Propan-2-yl 5-oxo-2,3-diphenylcyclopentanecarboxylate chemical structure, C21H22O3, CAS 1772-61-8
Propan-2-yl 5-oxo-2,3-diphenylcyclopentanecarboxylate
CAS 1772-61-8C21H22O3
4-[3-Hydroxy-3-methyl-1-(naphthalen-1-yl)butyl]benzene-1,3-diol chemical structure, C21H22O3, CAS 62550-61-2
4-[3-Hydroxy-3-methyl-1-(naphthalen-1-yl)butyl]benzene-1,3-diol
CAS 62550-61-2C21H22O3
9,9-Bis[2-(ethenyloxy)ethyl]-9H-xanthene chemical structure, C21H22O3, CAS 57315-95-4
9,9-Bis[2-(ethenyloxy)ethyl]-9H-xanthene
CAS 57315-95-4C21H22O3
1-(4'-Acetylbiphenyl-4-yl)cyclopropanecarboxylic acid isopropyl ester chemical structure, C21H22O3, CAS 1380650-65-6
1-(4'-Acetylbiphenyl-4-yl)cyclopropanecarboxylic acid isopropyl ester
CAS 1380650-65-6C21H22O3
(3E)-3-[[4-Hydroxy-3,5-di(propan-2-yl)phenyl]methylidene]-2-benzofuran-1-one chemical structure, C21H22O3, CAS 69574-11-4
(3E)-3-[[4-Hydroxy-3,5-di(propan-2-yl)phenyl]methylidene]-2-benzofuran-1-one
CAS 69574-11-4C21H22O3
6'-Methyl-2',3'-dihydrospiro[cyclohexane-1,8'-cyclopenta[c]pyrano[3,2-g]chromen]-4'(1'H)-one chemical structure, C21H22O3, CAS 919748-05-3
6'-Methyl-2',3'-dihydrospiro[cyclohexane-1,8'-cyclopenta[c]pyrano[3,2-g]chromen]-4'(1'H)-one
CAS 919748-05-3C21H22O3

Frequently asked questions

What is the molar mass of C21H22O3?

The molar mass of C21H22O3 is 322.40 g/mol, calculated from standard atomic weights for 21 carbon atoms, 22 hydrogen atoms and 3 oxygen atoms. The monoisotopic mass is 322.1569 Da.

How many compounds have the formula C21H22O3?

CompoundList lists 41 compounds with the molecular formula C21H22O3, including Derricin, 4-[3-(4-Methylphenyl)-3-oxo-1-propenyl]phenyl pivalate, (E)-p-(2-(4,4-Dimethylchroman-6-yl)propenyl)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 C21H22O3?

C21H22O3 has a degree of unsaturation of 11. 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.