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Molecular formula

C21H19F2NO4

44 compounds have this formula on CompoundList.

Molar mass
387.38g/mol
Monoisotopic mass
390.1470Da
Atoms
47
Elements
5
Rings plus double bonds
12

The formula C21H19F2NO4 describes a molecule made of 21 carbon atoms, 19 hydrogen atoms, 2 fluorine atoms, 1 nitrogen atom and 4 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 × 2165.11%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 194.94%
    1.008 × 19 = 19.152 g/mol
  • F Fluorine × 29.81%
    18.998 × 2 = 37.996 g/mol
  • N Nitrogen × 13.62%
    14.007 × 1 = 14.007 g/mol
  • O Oxygen × 416.52%
    15.999 × 4 = 63.996 g/mol
Look up another formula

Compounds with the formula C21H19F2NO4

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

Showing 1 to 44 of 44 compounds

1-((((9H-Fluoren-9-yl)methoxy)carbonyl)(methyl)amino)-3,3-difluorocyclobutane-1-carboxylic acid chemical structure, C21H19F2NO4, CAS 2296988-69-5
1-((((9H-Fluoren-9-yl)methoxy)carbonyl)(methyl)amino)-3,3-difluorocyclobutane-1-carboxylic acid
CAS 2296988-69-5C21H19F2NO4
1-{[(9H-Fluoren-9-yl)methoxy]carbonyl}-4,4-difluoropiperidine-2-carboxylic acid chemical structure, C21H19F2NO4, CAS 1822486-89-4
1-{[(9H-Fluoren-9-yl)methoxy]carbonyl}-4,4-difluoropiperidine-2-carboxylic acid
CAS 1822486-89-4C21H19F2NO4
1-{[(9H-Fluoren-9-yl)methoxy]carbonyl}-4,4-difluoropiperidine-3-carboxylic acid chemical structure, C21H19F2NO4, CAS 1993316-66-7
1-{[(9H-Fluoren-9-yl)methoxy]carbonyl}-4,4-difluoropiperidine-3-carboxylic acid
CAS 1993316-66-7C21H19F2NO4
1-(((9H-Fluoren-9-yl)methoxy)carbonyl)-4,4-difluoro-2-methylpyrrolidine-2-carboxylic acid chemical structure, C21H19F2NO4, CAS 2253639-72-2
1-(((9H-Fluoren-9-yl)methoxy)carbonyl)-4,4-difluoro-2-methylpyrrolidine-2-carboxylic acid
CAS 2253639-72-2C21H19F2NO4
(2S)-2-(3,3-Difluorocyclobutyl)-2-(9H-fluoren-9-ylmethoxycarbonylamino)acetic acid chemical structure, C21H19F2NO4, CAS 2349734-08-1
(2S)-2-(3,3-Difluorocyclobutyl)-2-(9H-fluoren-9-ylmethoxycarbonylamino)acetic acid
CAS 2349734-08-1C21H19F2NO4
(S)-1-(((9H-Fluoren-9-yl)methoxy)carbonyl)-4,4-difluoropiperidine-2-carboxylic acid chemical structure, C21H19F2NO4, CAS 1221793-52-7
(S)-1-(((9H-Fluoren-9-yl)methoxy)carbonyl)-4,4-difluoropiperidine-2-carboxylic acid
CAS 1221793-52-7C21H19F2NO4
2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-2-(3,3-difluorocyclobutyl)acetic acid chemical structure, C21H19F2NO4, CAS 2097950-77-9
2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-2-(3,3-difluorocyclobutyl)acetic acid
CAS 2097950-77-9C21H19F2NO4
(3S,4S)-1-(((9H-Fluoren-9-yl)methoxy)carbonyl)-4-(difluoromethyl)pyrrolidine-3-carboxylic acid chemical structure, C21H19F2NO4, CAS 1993278-93-5
(3S,4S)-1-(((9H-Fluoren-9-yl)methoxy)carbonyl)-4-(difluoromethyl)pyrrolidine-3-carboxylic acid
CAS 1993278-93-5C21H19F2NO4
1-{[(9H-Fluoren-9-yl)methoxy]carbonyl}-3,3-difluoropiperidine-4-carboxylic acid chemical structure, C21H19F2NO4, CAS 2094456-40-1
1-{[(9H-Fluoren-9-yl)methoxy]carbonyl}-3,3-difluoropiperidine-4-carboxylic acid
CAS 2094456-40-1C21H19F2NO4
1-(Difluoromethyl)-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclobutane-1-carboxylic acid chemical structure, C21H19F2NO4, CAS 2694734-52-4
1-(Difluoromethyl)-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclobutane-1-carboxylic acid
CAS 2694734-52-4C21H19F2NO4
2-(1-{[(9H-Fluoren-9-yl)methoxy]carbonyl}pyrrolidin-3-yl)-2,2-difluoroacetic acid chemical structure, C21H19F2NO4, CAS 2408963-77-7
2-(1-{[(9H-Fluoren-9-yl)methoxy]carbonyl}pyrrolidin-3-yl)-2,2-difluoroacetic acid
CAS 2408963-77-7C21H19F2NO4
5-(2-Fluorophenyl)-4-[(4-fluorophenyl)carbonyl]-3-hydroxy-1-(3-methoxypropyl)-1,5-dihydro-2H-pyrrol-2-one chemical structure, C21H19F2NO4, CAS 518982-39-3
5-(2-Fluorophenyl)-4-[(4-fluorophenyl)carbonyl]-3-hydroxy-1-(3-methoxypropyl)-1,5-dihydro-2H-pyrrol-2-one
CAS 518982-39-3C21H19F2NO4
(4S)-3-[(2R)-2-[(2R)-2-(2,4-Difluorophenyl)oxiranyl]-1-oxopropyl]-4-benzyl-2-oxazolidinone chemical structure, C21H19F2NO4, CAS 166948-47-6
(4S)-3-[(2R)-2-[(2R)-2-(2,4-Difluorophenyl)oxiranyl]-1-oxopropyl]-4-benzyl-2-oxazolidinone
CAS 166948-47-6C21H19F2NO4
(4S)-3-[(2R)-2-[(2R)-2-(2,4-Difluorophenyl)oxiranyl]-1-oxopropyl]-4-benzyl-2-oxazolidinone-d3 chemical structure, C21H19F2NO4, CAS 1329641-35-1
(4S)-3-[(2R)-2-[(2R)-2-(2,4-Difluorophenyl)oxiranyl]-1-oxopropyl]-4-benzyl-2-oxazolidinone-d3
CAS 1329641-35-1C21H19F2NO4
3-Cyclopropyl-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2,2-difluoropropanoic acid chemical structure, C21H19F2NO4, CAS 2138375-42-3
3-Cyclopropyl-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2,2-difluoropropanoic acid
CAS 2138375-42-3C21H19F2NO4
2-[1-(9H-Fluoren-9-ylmethoxycarbonyl)-4,4-difluoropyrrolidin-2-yl]acetic acid chemical structure, C21H19F2NO4, CAS 2385183-22-0
2-[1-(9H-Fluoren-9-ylmethoxycarbonyl)-4,4-difluoropyrrolidin-2-yl]acetic acid
CAS 2385183-22-0C21H19F2NO4
1-(9H-Fluoren-9-ylmethoxycarbonyl)-4,4-difluoro-3-methylpyrrolidine-3-carboxylic acid chemical structure, C21H19F2NO4, CAS 2580244-20-6
1-(9H-Fluoren-9-ylmethoxycarbonyl)-4,4-difluoro-3-methylpyrrolidine-3-carboxylic acid
CAS 2580244-20-6C21H19F2NO4
1-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-(difluoromethyl)cyclobutane-1-carboxylic acid chemical structure, C21H19F2NO4, CAS 2243504-96-1
1-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-(difluoromethyl)cyclobutane-1-carboxylic acid
CAS 2243504-96-1C21H19F2NO4
1-{[(9H-Fluoren-9-yl)methoxy]carbonyl}-5,5-difluoropiperidine-3-carboxylic acid chemical structure, C21H19F2NO4, CAS 2253632-16-3
1-{[(9H-Fluoren-9-yl)methoxy]carbonyl}-5,5-difluoropiperidine-3-carboxylic acid
CAS 2253632-16-3C21H19F2NO4
1-(Fmoc-amino)-3,3-difluorocyclopentanecarboxylic Acid chemical structure, C21H19F2NO4, CAS 3048603-73-9
1-(Fmoc-amino)-3,3-difluorocyclopentanecarboxylic Acid
CAS 3048603-73-9C21H19F2NO4
(R)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-2-(3,3-difluorocyclobutyl)acetic acid chemical structure, C21H19F2NO4, CAS 2350073-06-0
(R)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-2-(3,3-difluorocyclobutyl)acetic acid
CAS 2350073-06-0C21H19F2NO4
2-{[(Benzyloxy)carbonyl]amino}-2-[3-(2,4-difluorophenyl)bicyclo[1.1.1]pentan-1-yl]acetic acid chemical structure, C21H19F2NO4, CAS 2287259-77-0
2-{[(Benzyloxy)carbonyl]amino}-2-[3-(2,4-difluorophenyl)bicyclo[1.1.1]pentan-1-yl]acetic acid
CAS 2287259-77-0C21H19F2NO4
2-{[(Benzyloxy)carbonyl]amino}-2-[3-(3,5-difluorophenyl)bicyclo[1.1.1]pentan-1-yl]acetic acid chemical structure, C21H19F2NO4, CAS 2287259-91-8
2-{[(Benzyloxy)carbonyl]amino}-2-[3-(3,5-difluorophenyl)bicyclo[1.1.1]pentan-1-yl]acetic acid
CAS 2287259-91-8C21H19F2NO4
2-{[(Benzyloxy)carbonyl]amino}-2-[3-(3,4-difluorophenyl)bicyclo[1.1.1]pentan-1-yl]acetic acid chemical structure, C21H19F2NO4, CAS 2287262-60-4
2-{[(Benzyloxy)carbonyl]amino}-2-[3-(3,4-difluorophenyl)bicyclo[1.1.1]pentan-1-yl]acetic acid
CAS 2287262-60-4C21H19F2NO4

Frequently asked questions

What is the molar mass of C21H19F2NO4?

The molar mass of C21H19F2NO4 is 387.38 g/mol, calculated from standard atomic weights for 21 carbon atoms, 19 hydrogen atoms, 2 fluorine atoms, 1 nitrogen atom and 4 oxygen atoms. The monoisotopic mass is 390.1470 Da.

How many compounds have the formula C21H19F2NO4?

CompoundList lists 44 compounds with the molecular formula C21H19F2NO4, including 1-((((9H-Fluoren-9-yl)methoxy)carbonyl)(methyl)amino)-3,3-difluorocyclobutane-1-carboxylic acid, 1-{[(9H-Fluoren-9-yl)methoxy]carbonyl}-4,4-difluoropiperidine-2-carboxylic acid, 1-{[(9H-Fluoren-9-yl)methoxy]carbonyl}-4,4-difluoropiperidine-3-carboxylic 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 C21H19F2NO4?

C21H19F2NO4 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.