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Molecular formula

C21H20FNO5

19 compounds have this formula on CompoundList.

Molar mass
385.39g/mol
Monoisotopic mass
385.1326Da
Atoms
48
Elements
5
Rings plus double bonds
12

The formula C21H20FNO5 describes a molecule made of 21 carbon atoms, 20 hydrogen atoms, 1 fluorine atom, 1 nitrogen atom and 5 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 × 2165.45%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 205.23%
    1.008 × 20 = 20.160 g/mol
  • F Fluorine × 14.93%
    18.998 × 1 = 18.998 g/mol
  • N Nitrogen × 13.63%
    14.007 × 1 = 14.007 g/mol
  • O Oxygen × 520.76%
    15.999 × 5 = 79.995 g/mol
Look up another formula

Compounds with the formula C21H20FNO5

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

Showing 1 to 19 of 19 compounds

2-Methoxyethyl 5-((2-fluorobenzoyl)oxy)-1,2-dimethyl-1H-indole-3-carboxylate chemical structure, C21H20FNO5, CAS 899411-10-0
2-Methoxyethyl 5-((2-fluorobenzoyl)oxy)-1,2-dimethyl-1H-indole-3-carboxylate
CAS 899411-10-0C21H20FNO5
5-(2-Fluorophenyl)-3-hydroxy-4-(5-methylfuran-2-carbonyl)-1-((tetrahydrofuran-2-yl)methyl)-1H-pyrrol-2(5H)-one chemical structure, C21H20FNO5, CAS 618073-42-0
5-(2-Fluorophenyl)-3-hydroxy-4-(5-methylfuran-2-carbonyl)-1-((tetrahydrofuran-2-yl)methyl)-1H-pyrrol-2(5H)-one
CAS 618073-42-0C21H20FNO5
4-{2-[3-Fluoro-4-(propan-2-yloxy)phenyl]-2-oxoethyl}-2-methyl-2,3,4,5-tetrahydro-1,4-benzoxazepine-3,5-dione chemical structure, C21H20FNO5, CAS 903201-72-9
4-{2-[3-Fluoro-4-(propan-2-yloxy)phenyl]-2-oxoethyl}-2-methyl-2,3,4,5-tetrahydro-1,4-benzoxazepine-3,5-dione
CAS 903201-72-9C21H20FNO5
5-(2-Fluorophenyl)-3-hydroxy-4-(4-methoxybenzoyl)-1-(2-methoxyethyl)-2,5-dihydro-1H-pyrrol-2-one chemical structure, C21H20FNO5, CAS 500273-12-1
5-(2-Fluorophenyl)-3-hydroxy-4-(4-methoxybenzoyl)-1-(2-methoxyethyl)-2,5-dihydro-1H-pyrrol-2-one
CAS 500273-12-1C21H20FNO5
Dimethyl 4-[5-(2-fluorophenyl)furan-2-yl]-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate chemical structure, C21H20FNO5, CAS 853749-88-9
Dimethyl 4-[5-(2-fluorophenyl)furan-2-yl]-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate
CAS 853749-88-9C21H20FNO5
4-(2-(5-Fluoro-2-methoxyphenyl)-2-oxoethyl)-2-isopropylbenzo[f][1,4]oxazepine-3,5(2H,4H)-dione chemical structure, C21H20FNO5, CAS 903192-93-8
4-(2-(5-Fluoro-2-methoxyphenyl)-2-oxoethyl)-2-isopropylbenzo[f][1,4]oxazepine-3,5(2H,4H)-dione
CAS 903192-93-8C21H20FNO5
4-(2-(5-Fluoro-2-methoxyphenyl)-2-oxoethyl)-2-propylbenzo[f][1,4]oxazepine-3,5(2H,4H)-dione chemical structure, C21H20FNO5, CAS 905430-66-2
4-(2-(5-Fluoro-2-methoxyphenyl)-2-oxoethyl)-2-propylbenzo[f][1,4]oxazepine-3,5(2H,4H)-dione
CAS 905430-66-2C21H20FNO5
4-(2-(2-Ethoxy-5-fluorophenyl)-2-oxoethyl)-2-ethylbenzo[f][1,4]oxazepine-3,5(2H,4H)-dione chemical structure, C21H20FNO5, CAS 904005-23-8
4-(2-(2-Ethoxy-5-fluorophenyl)-2-oxoethyl)-2-ethylbenzo[f][1,4]oxazepine-3,5(2H,4H)-dione
CAS 904005-23-8C21H20FNO5
(E)-2-(3-(4-Fluorophenyl)acryloyl)-5-methoxyphenyl morpholine-4-carboxylate chemical structure, C21H20FNO5, CAS 637746-77-1
(E)-2-(3-(4-Fluorophenyl)acryloyl)-5-methoxyphenyl morpholine-4-carboxylate
CAS 637746-77-1C21H20FNO5
2-(7,8-Dimethoxy-4-methyl-2-oxo-2H-chromen-3-yl)-N-(4-fluorobenzyl)acetamide chemical structure, C21H20FNO5, CAS 853898-09-6
2-(7,8-Dimethoxy-4-methyl-2-oxo-2H-chromen-3-yl)-N-(4-fluorobenzyl)acetamide
CAS 853898-09-6C21H20FNO5
5-(4-Fluorophenyl)-3-hydroxy-4-(4-methoxybenzoyl)-1-(2-methoxyethyl)-2,5-dihydro-1H-pyrrol-2-one chemical structure, C21H20FNO5, CAS 433305-94-3
5-(4-Fluorophenyl)-3-hydroxy-4-(4-methoxybenzoyl)-1-(2-methoxyethyl)-2,5-dihydro-1H-pyrrol-2-one
CAS 433305-94-3C21H20FNO5
(E)-4-Fluoro-2-(3-(2-methoxyphenyl)acryloyl)phenyl morpholine-4-carboxylate chemical structure, C21H20FNO5, CAS 433306-92-4
(E)-4-Fluoro-2-(3-(2-methoxyphenyl)acryloyl)phenyl morpholine-4-carboxylate
CAS 433306-92-4C21H20FNO5
2-[(2E)-3-(2-Fluorophenyl)prop-2-enoyl]-5-methoxyphenyl morpholine-4-carboxylate chemical structure, C21H20FNO5, CAS 637746-79-3
2-[(2E)-3-(2-Fluorophenyl)prop-2-enoyl]-5-methoxyphenyl morpholine-4-carboxylate
CAS 637746-79-3C21H20FNO5
4-[2-(4-Ethoxy-3-fluorophenyl)-2-oxoethyl]-2-ethyl-1,4-benzoxazepine-3,5(2H,4H)-dione chemical structure, C21H20FNO5, CAS 904007-19-8
4-[2-(4-Ethoxy-3-fluorophenyl)-2-oxoethyl]-2-ethyl-1,4-benzoxazepine-3,5(2H,4H)-dione
CAS 904007-19-8C21H20FNO5
4-[2-(3-Fluoro-4-methoxyphenyl)-2-oxoethyl]-2-(propan-2-yl)-1,4-benzoxazepine-3,5(2H,4H)-dione chemical structure, C21H20FNO5, CAS 904511-46-2
4-[2-(3-Fluoro-4-methoxyphenyl)-2-oxoethyl]-2-(propan-2-yl)-1,4-benzoxazepine-3,5(2H,4H)-dione
CAS 904511-46-2C21H20FNO5
3-[(6-Fluoro-4H-1,3-benzodioxin-8-yl)methyl]-7,8-dimethoxy-1,3-dihydro-2H-3-benzazepin-2-one chemical structure, C21H20FNO5, CAS 1574319-44-0
3-[(6-Fluoro-4H-1,3-benzodioxin-8-yl)methyl]-7,8-dimethoxy-1,3-dihydro-2H-3-benzazepin-2-one
CAS 1574319-44-0C21H20FNO5
(4E)-4-[(3-Fluoro-4-methoxyphenyl)-hydroxymethylidene]-1-(3-hydroxypropyl)-5-phenylpyrrolidine-2,3-dione chemical structure, C21H20FNO5, CAS 879912-58-0
(4E)-4-[(3-Fluoro-4-methoxyphenyl)-hydroxymethylidene]-1-(3-hydroxypropyl)-5-phenylpyrrolidine-2,3-dione
CAS 879912-58-0C21H20FNO5
(2S)-2-(((Benzyloxy)carbonyl)amino)-2-(7-fluorospiro[chromane-3,1'-cyclopropan]-4-yl)acetic acid chemical structure, C21H20FNO5, CAS 2758125-03-8
(2S)-2-(((Benzyloxy)carbonyl)amino)-2-(7-fluorospiro[chromane-3,1'-cyclopropan]-4-yl)acetic acid
CAS 2758125-03-8C21H20FNO5
4-(3-Fluoro-4-methoxybenzoyl)-3-hydroxy-1-(3-hydroxypropyl)-5-phenyl-2,5-dihydro-1H-pyrrol-2-one chemical structure, C21H20FNO5
4-(3-Fluoro-4-methoxybenzoyl)-3-hydroxy-1-(3-hydroxypropyl)-5-phenyl-2,5-dihydro-1H-pyrrol-2-one
C21H20FNO5

Frequently asked questions

What is the molar mass of C21H20FNO5?

The molar mass of C21H20FNO5 is 385.39 g/mol, calculated from standard atomic weights for 21 carbon atoms, 20 hydrogen atoms, 1 fluorine atom, 1 nitrogen atom and 5 oxygen atoms. The monoisotopic mass is 385.1326 Da.

How many compounds have the formula C21H20FNO5?

CompoundList lists 19 compounds with the molecular formula C21H20FNO5, including 2-Methoxyethyl 5-((2-fluorobenzoyl)oxy)-1,2-dimethyl-1H-indole-3-carboxylate, 5-(2-Fluorophenyl)-3-hydroxy-4-(5-methylfuran-2-carbonyl)-1-((tetrahydrofuran-2-yl)methyl)-1H-pyrrol-2(5H)-one, 4-{2-[3-Fluoro-4-(propan-2-yloxy)phenyl]-2-oxoethyl}-2-methyl-2,3,4,5-tetrahydro-1,4-benzoxazepine-3,5-dione. 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 C21H20FNO5?

C21H20FNO5 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.