CompoundList
Sign in
Molecular formula

C21H19F2NO5

11 compounds have this formula on CompoundList.

Molar mass
403.38g/mol
Monoisotopic mass
403.1231Da
Atoms
48
Elements
5
Rings plus double bonds
12

The formula C21H19F2NO5 describes a molecule made of 21 carbon atoms, 19 hydrogen atoms, 2 fluorine atoms, 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 × 2162.53%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 194.75%
    1.008 × 19 = 19.152 g/mol
  • F Fluorine × 29.42%
    18.998 × 2 = 37.996 g/mol
  • N Nitrogen × 13.47%
    14.007 × 1 = 14.007 g/mol
  • O Oxygen × 519.83%
    15.999 × 5 = 79.995 g/mol
Look up another formula

Compounds with the formula C21H19F2NO5

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

Showing 1 to 11 of 11 compounds

(2S,4R)-4-(Difluoromethoxy)-1-(((9H-fluoren-9-yl)methoxy)carbonyl)pyrrolidine-2-carboxylic acid chemical structure, C21H19F2NO5, CAS 2382632-22-4
(2S,4R)-4-(Difluoromethoxy)-1-(((9H-fluoren-9-yl)methoxy)carbonyl)pyrrolidine-2-carboxylic acid
CAS 2382632-22-4C21H19F2NO5
2-(1-{[(9H-Fluoren-9-yl)methoxy]carbonyl}-3-hydroxypyrrolidin-3-yl)-2,2-difluoroacetic acid chemical structure, C21H19F2NO5, CAS 2219408-67-8
2-(1-{[(9H-Fluoren-9-yl)methoxy]carbonyl}-3-hydroxypyrrolidin-3-yl)-2,2-difluoroacetic acid
CAS 2219408-67-8C21H19F2NO5
(Z)-2-(2-(Difluoromethoxy)benzylidene)-8-(2-methoxyethyl)-8,9-dihydro-2H-benzofuro[7,6-e][1,3]oxazin-3(7H)-one chemical structure, C21H19F2NO5, CAS 946235-79-6
(Z)-2-(2-(Difluoromethoxy)benzylidene)-8-(2-methoxyethyl)-8,9-dihydro-2H-benzofuro[7,6-e][1,3]oxazin-3(7H)-one
CAS 946235-79-6C21H19F2NO5
(2R,4S)-4-(Difluoromethoxy)-1-{[(9H-fluoren-9-yl)methoxy]carbonyl}pyrrolidine-2-carboxylic acid chemical structure, C21H19F2NO5, CAS 2137066-60-3
(2R,4S)-4-(Difluoromethoxy)-1-{[(9H-fluoren-9-yl)methoxy]carbonyl}pyrrolidine-2-carboxylic acid
CAS 2137066-60-3C21H19F2NO5
(2S,4S)-4-(Difluoromethoxy)-1-{[(9H-fluoren-9-yl)methoxy]carbonyl}pyrrolidine-2-carboxylic acid chemical structure, C21H19F2NO5, CAS 2913229-07-7
(2S,4S)-4-(Difluoromethoxy)-1-{[(9H-fluoren-9-yl)methoxy]carbonyl}pyrrolidine-2-carboxylic acid
CAS 2913229-07-7C21H19F2NO5
(2R,4R)-4-(Difluoromethoxy)-1-{[(9H-fluoren-9-yl)methoxy]carbonyl}pyrrolidine-2-carboxylicacid chemical structure, C21H19F2NO5, CAS 2913226-55-6
(2R,4R)-4-(Difluoromethoxy)-1-{[(9H-fluoren-9-yl)methoxy]carbonyl}pyrrolidine-2-carboxylicacid
CAS 2913226-55-6C21H19F2NO5
2-(1-{[(9H-Fluoren-9-yl)methoxy]carbonyl}-3-methoxyazetidin-3-yl)-2,2-difluoroacetic acid chemical structure, C21H19F2NO5, CAS 2361898-56-6
2-(1-{[(9H-Fluoren-9-yl)methoxy]carbonyl}-3-methoxyazetidin-3-yl)-2,2-difluoroacetic acid
CAS 2361898-56-6C21H19F2NO5
(4E)-4-[(3-Fluoro-4-methoxyphenyl)-hydroxymethylidene]-5-(2-fluorophenyl)-1-(3-hydroxypropyl)pyrrolidine-2,3-dione chemical structure, C21H19F2NO5, CAS 879912-56-8
(4E)-4-[(3-Fluoro-4-methoxyphenyl)-hydroxymethylidene]-5-(2-fluorophenyl)-1-(3-hydroxypropyl)pyrrolidine-2,3-dione
CAS 879912-56-8C21H19F2NO5
(4E)-4-[(3-Fluoro-4-methoxyphenyl)-hydroxymethylidene]-5-(4-fluorophenyl)-1-(3-hydroxypropyl)pyrrolidine-2,3-dione chemical structure, C21H19F2NO5, CAS 879912-61-5
(4E)-4-[(3-Fluoro-4-methoxyphenyl)-hydroxymethylidene]-5-(4-fluorophenyl)-1-(3-hydroxypropyl)pyrrolidine-2,3-dione
CAS 879912-61-5C21H19F2NO5
4-(3-Fluoro-4-methoxybenzoyl)-5-(2-fluorophenyl)-3-hydroxy-1-(3-hydroxypropyl)-2,5-dihydro-1H-pyrrol-2-one chemical structure, C21H19F2NO5
4-(3-Fluoro-4-methoxybenzoyl)-5-(2-fluorophenyl)-3-hydroxy-1-(3-hydroxypropyl)-2,5-dihydro-1H-pyrrol-2-one
C21H19F2NO5
4-(3-Fluoro-4-methoxybenzoyl)-5-(4-fluorophenyl)-3-hydroxy-1-(3-hydroxypropyl)-2,5-dihydro-1H-pyrrol-2-one chemical structure, C21H19F2NO5
4-(3-Fluoro-4-methoxybenzoyl)-5-(4-fluorophenyl)-3-hydroxy-1-(3-hydroxypropyl)-2,5-dihydro-1H-pyrrol-2-one
C21H19F2NO5

Frequently asked questions

What is the molar mass of C21H19F2NO5?

The molar mass of C21H19F2NO5 is 403.38 g/mol, calculated from standard atomic weights for 21 carbon atoms, 19 hydrogen atoms, 2 fluorine atoms, 1 nitrogen atom and 5 oxygen atoms. The monoisotopic mass is 403.1231 Da.

How many compounds have the formula C21H19F2NO5?

CompoundList lists 11 compounds with the molecular formula C21H19F2NO5, including (2S,4R)-4-(Difluoromethoxy)-1-(((9H-fluoren-9-yl)methoxy)carbonyl)pyrrolidine-2-carboxylic acid, 2-(1-{[(9H-Fluoren-9-yl)methoxy]carbonyl}-3-hydroxypyrrolidin-3-yl)-2,2-difluoroacetic acid, (Z)-2-(2-(Difluoromethoxy)benzylidene)-8-(2-methoxyethyl)-8,9-dihydro-2H-benzofuro[7,6-e][1,3]oxazin-3(7H)-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 C21H19F2NO5?

C21H19F2NO5 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.