Molecular formula

C₂₀H₁₇FO₃

18 compounds have this formula on CompoundList.

Molar mass: 324.35g/mol
Monoisotopic mass: 324.1162Da
Atoms: 41
Elements: 4
Rings plus double bonds: 12

The formula C20H17FO3 describes a molecule made of 20 carbon atoms, 17 hydrogen atoms, 1 fluorine atom 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 × 2074.06%
12.011 × 20 = 240.220 g/mol
H Hydrogen × 175.28%
1.008 × 17 = 17.136 g/mol
F Fluorine × 15.86%
18.998 × 1 = 18.998 g/mol
O Oxygen × 314.80%
15.999 × 3 = 47.997 g/mol

Look up another formula

Compounds with the formula C20H17FO3

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

Showing 1 to 18 of 18 compounds

9-[(2-Fluorobenzyl)oxy]-7-methyl-2,3-dihydrocyclopenta[c]chromen-4(1H)-one

CAS 314744-34-8C₂₀H₁₇FO₃

7-[(2-Fluorophenyl)methoxy]-6-methyl-2,3-dihydro-1H-cyclopenta[c]chromen-4-one

CAS 6137-83-3C₂₀H₁₇FO₃

(Z)-2-(3-Fluorobenzylidene)-6-((3-methylbut-2-en-1-yl)oxy)benzofuran-3(2H)-one

CAS 622807-32-3C₂₀H₁₇FO₃

9-[(4-Fluorophenyl)methoxy]-7-methyl-2,3-dihydro-1H-cyclopenta[c]chromen-4-one

CAS 307549-63-9C₂₀H₁₇FO₃

(Z)-2-(2-Fluorobenzylidene)-6-((3-methylbut-2-en-1-yl)oxy)benzofuran-3(2H)-one

CAS 623121-79-9C₂₀H₁₇FO₃

(Z)-2-(4-Fluorobenzylidene)-6-((3-methylbut-2-en-1-yl)oxy)benzofuran-3(2H)-one

CAS 623121-71-1C₂₀H₁₇FO₃

Benz(a)anthracene-5,6-diol, 4-fluoro-5,6-dihydro-7-(hydroxymethyl)-12-methyl-, trans-

CAS 80752-25-6C₂₀H₁₇FO₃

Benz(a)anthracene-10,11-diol, 5-fluoro-10,11-dihydro-7-(hydroxymethyl)-12-methyl-, trans-

CAS 80752-30-3C₂₀H₁₇FO₃

Benz(a)anthracene-8,9-diol, 4-fluoro-8,9-dihydro-7-(hydroxymethyl)-12-methyl-, trans-

CAS 80752-33-6C₂₀H₁₇FO₃

Benz(a)anthracene-8,9-diol, 6-fluoro-8,9-dihydro-7-(hydroxymethyl)-12-methyl-, trans-

CAS 80752-34-7C₂₀H₁₇FO₃

Benz(a)anthracene-8,9-diol, 3-fluoro-8,9-dihydro-7-(hydroxymethyl)-12-methyl-, trans-

CAS 80753-69-1C₂₀H₁₇FO₃

Benz(a)anthracene-10,11-diol, 3-fluoro-10,11-dihydro-7-(hydroxymethyl)-12-methyl-, trans-

CAS 80752-29-0C₂₀H₁₇FO₃

Benz(a)anthracene-8,9-diol, 2-fluoro-8,9-dihydro-7-(hydroxymethyl)-12-methyl-, trans-

CAS 80752-32-5C₂₀H₁₇FO₃

Benz(a)anthracene-3,4-diol, 6-fluoro-3,4-dihydro-7-(hydroxymethyl)-12-methyl-, trans-

CAS 80752-21-2C₂₀H₁₇FO₃

Benz(a)anthracene-10,11-diol, 6-fluoro-10,11-dihydro-7-(hydroxymethyl)-12-methyl-, trans-

CAS 80752-31-4C₂₀H₁₇FO₃

Benz(a)anthracene-10,11-diol, 4-fluoro-10,11-dihydro-7-(hydroxymethyl)-12-methyl-, trans-

CAS 80782-85-0C₂₀H₁₇FO₃

5-Fluoro-4-hydroxy-6-phenyl-3-(2,4,6-trimethylphenyl)-2H-pyran-2-one

CAS 154931-14-3C₂₀H₁₇FO₃

4-Fluoro-2-(1-(6-methoxynaphthalen-2-yl)ethyl)benzoic acid

CAS 192383-97-4C₂₀H₁₇FO₃

Frequently asked questions

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What is the molar mass of C20H17FO3?

The molar mass of C20H17FO3 is 324.35 g/mol, calculated from standard atomic weights for 20 carbon atoms, 17 hydrogen atoms, 1 fluorine atom and 3 oxygen atoms. The monoisotopic mass is 324.1162 Da.

How many compounds have the formula C20H17FO3?

CompoundList lists 18 compounds with the molecular formula C20H17FO3, including 9-[(2-Fluorobenzyl)oxy]-7-methyl-2,3-dihydrocyclopenta[c]chromen-4(1H)-one, 7-[(2-Fluorophenyl)methoxy]-6-methyl-2,3-dihydro-1H-cyclopenta[c]chromen-4-one, (Z)-2-(3-Fluorobenzylidene)-6-((3-methylbut-2-en-1-yl)oxy)benzofuran-3(2H)-one. 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 C20H17FO3?

C20H17FO3 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.