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Molecular formula

C19H18O3

140 compounds have this formula on CompoundList.

Molar mass
294.35g/mol
Monoisotopic mass
294.1256Da
Atoms
40
Elements
3
Rings plus double bonds
11

The formula C19H18O3 describes a molecule made of 19 carbon atoms, 18 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 × 1977.53%
    12.011 × 19 = 228.209 g/mol
  • H Hydrogen × 186.16%
    1.008 × 18 = 18.144 g/mol
  • O Oxygen × 316.31%
    15.999 × 3 = 47.997 g/mol
Look up another formula

Compounds with the formula C19H18O3

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

Showing 101 to 140 of 140 compounds

Ethyl 3-[4-(4-methylbenzoyl)phenyl]prop-2-enoate chemical structure, C19H18O3, CAS 87849-40-9
Ethyl 3-[4-(4-methylbenzoyl)phenyl]prop-2-enoate
CAS 87849-40-9C19H18O3
1-[8-(Benzyloxy)-5-hydroxy-3,4-dihydronaphthalen-2-yl]ethan-1-one chemical structure, C19H18O3, CAS 88928-64-7
1-[8-(Benzyloxy)-5-hydroxy-3,4-dihydronaphthalen-2-yl]ethan-1-one
CAS 88928-64-7C19H18O3
Ethyl 2-[3-(3-methylphenyl)acryloyl]benzoate chemical structure, C19H18O3, CAS 62490-45-3
Ethyl 2-[3-(3-methylphenyl)acryloyl]benzoate
CAS 62490-45-3C19H18O3
3-{2-[3-(4-Methoxyphenyl)prop-1-en-1-yl]phenyl}prop-2-enoic acid chemical structure, C19H18O3, CAS 847447-27-2
3-{2-[3-(4-Methoxyphenyl)prop-1-en-1-yl]phenyl}prop-2-enoic acid
CAS 847447-27-2C19H18O3
3-(1,3-Benzodioxol-5-yl)-1-[4-(1-methylethyl)phenyl]-2-propen-1-one chemical structure, C19H18O3, CAS 77709-17-2
3-(1,3-Benzodioxol-5-yl)-1-[4-(1-methylethyl)phenyl]-2-propen-1-one
CAS 77709-17-2C19H18O3
Ethyl 4-(2-oxo-1,2,3,4-tetrahydronaphthalen-1-yl)benzoate chemical structure, C19H18O3, CAS 255836-90-9
Ethyl 4-(2-oxo-1,2,3,4-tetrahydronaphthalen-1-yl)benzoate
CAS 255836-90-9C19H18O3
2-Phenanthrenol, 1-(ethoxymethyl)-, 2-acetate chemical structure, C19H18O3, CAS 19260-40-3
2-Phenanthrenol, 1-(ethoxymethyl)-, 2-acetate
CAS 19260-40-3C19H18O3
2-(5,5-Dimethyl-2-phenyl-1,3-dioxolan-4-ylidene)-1-phenylethanone chemical structure, C19H18O3, CAS 58159-00-5
2-(5,5-Dimethyl-2-phenyl-1,3-dioxolan-4-ylidene)-1-phenylethanone
CAS 58159-00-5C19H18O3
2-Propen-1-one, 1-(3-methoxyphenyl)-3-[3-(2-propenyloxy)phenyl]- chemical structure, C19H18O3, CAS 358656-51-6
2-Propen-1-one, 1-(3-methoxyphenyl)-3-[3-(2-propenyloxy)phenyl]-
CAS 358656-51-6C19H18O3
Ethyl 1-(3'-formyl-[1,1'-biphenyl]-4-yl)cyclopropanecarboxylate chemical structure, C19H18O3, CAS 3078379-44-6
Ethyl 1-(3'-formyl-[1,1'-biphenyl]-4-yl)cyclopropanecarboxylate
CAS 3078379-44-6C19H18O3
4-(4-Phenylbutan-2-yl)-1H-2-benzopyran-1,3(4H)-dione chemical structure, C19H18O3, CAS 62222-74-6
4-(4-Phenylbutan-2-yl)-1H-2-benzopyran-1,3(4H)-dione
CAS 62222-74-6C19H18O3
4-(4-Methoxyphenyl)-6-methyl-3-phenyl-3,4-dihydro-2H-pyran-2-one chemical structure, C19H18O3, CAS 62559-02-8
4-(4-Methoxyphenyl)-6-methyl-3-phenyl-3,4-dihydro-2H-pyran-2-one
CAS 62559-02-8C19H18O3
Methyl [2-(naphthalen-1-yl)-6-oxocyclohex-1-en-1-yl]acetate chemical structure, C19H18O3, CAS 40419-97-4
Methyl [2-(naphthalen-1-yl)-6-oxocyclohex-1-en-1-yl]acetate
CAS 40419-97-4C19H18O3
4-(Benzyloxy)-1,2-dimethoxynaphthalene chemical structure, C19H18O3, CAS 88381-82-2
4-(Benzyloxy)-1,2-dimethoxynaphthalene
CAS 88381-82-2C19H18O3
1-(2-Benzoylphenyl)cyclopentane-1-carboxylic acid chemical structure, C19H18O3, CAS 88346-34-3
1-(2-Benzoylphenyl)cyclopentane-1-carboxylic acid
CAS 88346-34-3C19H18O3
3-(2-Hydroxy-4-methoxyphenyl)-5-phenylcyclohex-2-en-1-one chemical structure, C19H18O3, CAS 89059-49-4
3-(2-Hydroxy-4-methoxyphenyl)-5-phenylcyclohex-2-en-1-one
CAS 89059-49-4C19H18O3
6-Benzyl-2,2-dimethyl-5-phenyl-2H,4H-1,3-dioxin-4-one chemical structure, C19H18O3, CAS 87769-46-8
6-Benzyl-2,2-dimethyl-5-phenyl-2H,4H-1,3-dioxin-4-one
CAS 87769-46-8C19H18O3
4a-Benzoyl-6,7-dimethyl-4a,5,8,8a-tetrahydronaphthalene-1,4-dione chemical structure, C19H18O3, CAS 110185-89-2
4a-Benzoyl-6,7-dimethyl-4a,5,8,8a-tetrahydronaphthalene-1,4-dione
CAS 110185-89-2C19H18O3
2-(3-Hydroxypropyl)-1,4-dimethylanthracene-9,10-dione chemical structure, C19H18O3, CAS 184872-70-6
2-(3-Hydroxypropyl)-1,4-dimethylanthracene-9,10-dione
CAS 184872-70-6C19H18O3
1,5-Bis(4-methoxyphenyl)penta-2,4-dien-1-one chemical structure, C19H18O3, CAS 25163-70-6
1,5-Bis(4-methoxyphenyl)penta-2,4-dien-1-one
CAS 25163-70-6C19H18O3
1-(2,4,6-Trimethoxyphenyl)naphthalene chemical structure, C19H18O3, CAS 594823-70-8
1-(2,4,6-Trimethoxyphenyl)naphthalene
CAS 594823-70-8C19H18O3
7-(Benzyloxy)-3-butylidene-2-benzofuran-1(3H)-one chemical structure, C19H18O3, CAS 649552-17-0
7-(Benzyloxy)-3-butylidene-2-benzofuran-1(3H)-one
CAS 649552-17-0C19H18O3
Ethyl 5-oxo-3,5-diphenylpent-2-enoate chemical structure, C19H18O3, CAS 62690-31-7
Ethyl 5-oxo-3,5-diphenylpent-2-enoate
CAS 62690-31-7C19H18O3
7-Oxo-5,7-diphenylhept-2-enoic acid chemical structure, C19H18O3, CAS 62093-06-5
7-Oxo-5,7-diphenylhept-2-enoic acid
CAS 62093-06-5C19H18O3

Frequently asked questions

What is the molar mass of C19H18O3?

The molar mass of C19H18O3 is 294.35 g/mol, calculated from standard atomic weights for 19 carbon atoms, 18 hydrogen atoms and 3 oxygen atoms. The monoisotopic mass is 294.1256 Da.

How many compounds have the formula C19H18O3?

CompoundList lists 140 compounds with the molecular formula C19H18O3, including Ethyl 3-[4-(4-methylbenzoyl)phenyl]prop-2-enoate, 1-[8-(Benzyloxy)-5-hydroxy-3,4-dihydronaphthalen-2-yl]ethan-1-one, Ethyl 2-[3-(3-methylphenyl)acryloyl]benzoate. 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 C19H18O3?

C19H18O3 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.