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Molecular formula

C21H18FN3O4

43 compounds have this formula on CompoundList.

Molar mass
395.39g/mol
Monoisotopic mass
395.1281Da
Atoms
47
Elements
5
Rings plus double bonds
14

The formula C21H18FN3O4 describes a molecule made of 21 carbon atoms, 18 hydrogen atoms, 1 fluorine atom, 3 nitrogen atoms 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 × 2163.79%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 184.59%
    1.008 × 18 = 18.144 g/mol
  • F Fluorine × 14.80%
    18.998 × 1 = 18.998 g/mol
  • N Nitrogen × 310.63%
    14.007 × 3 = 42.021 g/mol
  • O Oxygen × 416.19%
    15.999 × 4 = 63.996 g/mol
Look up another formula

Compounds with the formula C21H18FN3O4

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

Showing 1 to 43 of 43 compounds

N-({[(2-Fluorobenzyl)oxy]imino}methyl)-4-methoxy-2-phenoxynicotinamide chemical structure, C21H18FN3O4, CAS 478262-42-9
N-({[(2-Fluorobenzyl)oxy]imino}methyl)-4-methoxy-2-phenoxynicotinamide
CAS 478262-42-9C21H18FN3O4
N-{[(Benzyloxy)imino]methyl}-2-(4-fluorophenoxy)-4-methoxynicotinamide chemical structure, C21H18FN3O4, CAS 341966-66-3
N-{[(Benzyloxy)imino]methyl}-2-(4-fluorophenoxy)-4-methoxynicotinamide
CAS 341966-66-3C21H18FN3O4
1-{4-[(2-Fluoro-6-Methoxy-3'-Nitrobiphenyl-3-Yl)methyl]phenyl}urea chemical structure, C21H18FN3O4, CAS 1158231-00-5
1-{4-[(2-Fluoro-6-Methoxy-3'-Nitrobiphenyl-3-Yl)methyl]phenyl}urea
CAS 1158231-00-5C21H18FN3O4
Dazcapistat chemical structure, C21H18FN3O4, CAS 2221010-42-8
Dazcapistat
CAS 2221010-42-8C21H18FN3O4
1-(4-Fluorobenzyl)-N'-(4-methoxybenzoyl)-2-oxo-1,2-dihydropyridine-3-carbohydrazide chemical structure, C21H18FN3O4, CAS 1105243-12-6
1-(4-Fluorobenzyl)-N'-(4-methoxybenzoyl)-2-oxo-1,2-dihydropyridine-3-carbohydrazide
CAS 1105243-12-6C21H18FN3O4
Ethyl 2-(1-(3-fluorobenzyl)-6-oxo-1,6-dihydropyridazine-3-carboxamido)benzoate chemical structure, C21H18FN3O4, CAS 1040665-10-8
Ethyl 2-(1-(3-fluorobenzyl)-6-oxo-1,6-dihydropyridazine-3-carboxamido)benzoate
CAS 1040665-10-8C21H18FN3O4
1-(2,5-Dimethylbenzyl)-N-(4-fluoro-3-nitrophenyl)-2-oxo-1,2-dihydropyridine-3-carboxamide chemical structure, C21H18FN3O4, CAS 941989-48-6
1-(2,5-Dimethylbenzyl)-N-(4-fluoro-3-nitrophenyl)-2-oxo-1,2-dihydropyridine-3-carboxamide
CAS 941989-48-6C21H18FN3O4
(3-(5-(Benzo[d][1,3]dioxol-5-yl)-1,3,4-oxadiazol-2-yl)piperidin-1-yl)(2-fluorophenyl)methanone chemical structure, C21H18FN3O4, CAS 1170239-61-8
(3-(5-(Benzo[d][1,3]dioxol-5-yl)-1,3,4-oxadiazol-2-yl)piperidin-1-yl)(2-fluorophenyl)methanone
CAS 1170239-61-8C21H18FN3O4
3-[3-(3,4-Dimethoxyphenyl)-1,2,4-oxadiazol-5-yl]-1-ethyl-6-fluoroquinolin-4(1H)-one chemical structure, C21H18FN3O4, CAS 1207001-55-5
3-[3-(3,4-Dimethoxyphenyl)-1,2,4-oxadiazol-5-yl]-1-ethyl-6-fluoroquinolin-4(1H)-one
CAS 1207001-55-5C21H18FN3O4
4-(4-Fluorobenzoyl)-5-(furan-2-yl)-3-hydroxy-1-[3-(1H-imidazol-1-yl)propyl]-2,5-dihydro-1H-pyrrol-2-one chemical structure, C21H18FN3O4, CAS 381714-80-3
4-(4-Fluorobenzoyl)-5-(furan-2-yl)-3-hydroxy-1-[3-(1H-imidazol-1-yl)propyl]-2,5-dihydro-1H-pyrrol-2-one
CAS 381714-80-3C21H18FN3O4
3-(3-(2,4-Dimethoxyphenyl)-1,2,4-oxadiazol-5-yl)-1-ethyl-6-fluoroquinolin-4(1H)-one chemical structure, C21H18FN3O4, CAS 1206989-73-2
3-(3-(2,4-Dimethoxyphenyl)-1,2,4-oxadiazol-5-yl)-1-ethyl-6-fluoroquinolin-4(1H)-one
CAS 1206989-73-2C21H18FN3O4
2-[3-(4-Fluorophenyl)-2,4-dioxo-[1]benzofuro[3,2-d]pyrimidin-1-yl]-N-propan-2-ylacetamide chemical structure, C21H18FN3O4, CAS 895792-12-8
2-[3-(4-Fluorophenyl)-2,4-dioxo-[1]benzofuro[3,2-d]pyrimidin-1-yl]-N-propan-2-ylacetamide
CAS 895792-12-8C21H18FN3O4
1-(4-Fluorobenzyl)-2-oxo-N'-(2-phenoxyacetyl)-1,2-dihydropyridine-3-carbohydrazide chemical structure, C21H18FN3O4, CAS 1105242-84-9
1-(4-Fluorobenzyl)-2-oxo-N'-(2-phenoxyacetyl)-1,2-dihydropyridine-3-carbohydrazide
CAS 1105242-84-9C21H18FN3O4
1-(4-Fluorobenzyl)-N'-(2-methoxybenzoyl)-2-oxo-1,2-dihydropyridine-3-carbohydrazide chemical structure, C21H18FN3O4, CAS 1105243-10-4
1-(4-Fluorobenzyl)-N'-(2-methoxybenzoyl)-2-oxo-1,2-dihydropyridine-3-carbohydrazide
CAS 1105243-10-4C21H18FN3O4
1-(4-Fluorobenzyl)-N'-(3-methoxybenzoyl)-2-oxo-1,2-dihydropyridine-3-carbohydrazide chemical structure, C21H18FN3O4, CAS 1105211-62-8
1-(4-Fluorobenzyl)-N'-(3-methoxybenzoyl)-2-oxo-1,2-dihydropyridine-3-carbohydrazide
CAS 1105211-62-8C21H18FN3O4
N-(4-Acetamidophenyl)-5-((4-fluorobenzyl)oxy)-4-oxo-1,4-dihydropyridine-2-carboxamide chemical structure, C21H18FN3O4, CAS 1021213-54-6
N-(4-Acetamidophenyl)-5-((4-fluorobenzyl)oxy)-4-oxo-1,4-dihydropyridine-2-carboxamide
CAS 1021213-54-6C21H18FN3O4
N-(2-((6-(4-Fluorophenyl)pyridazin-3-yl)oxy)ethyl)-2,3-dihydrobenzo[b][1,4]dioxine-2-carboxamide chemical structure, C21H18FN3O4, CAS 1206989-75-4
N-(2-((6-(4-Fluorophenyl)pyridazin-3-yl)oxy)ethyl)-2,3-dihydrobenzo[b][1,4]dioxine-2-carboxamide
CAS 1206989-75-4C21H18FN3O4
N-(3-Acetylphenyl)-2-[3-(4-fluoro-2-methoxyphenyl)-6-oxopyridazin-1(6H)-yl]acetamide chemical structure, C21H18FN3O4, CAS 1246073-55-1
N-(3-Acetylphenyl)-2-[3-(4-fluoro-2-methoxyphenyl)-6-oxopyridazin-1(6H)-yl]acetamide
CAS 1246073-55-1C21H18FN3O4
N-(4-Acetylphenyl)-2-[3-(4-fluoro-2-methoxyphenyl)-6-oxopyridazin-1(6H)-yl]acetamide chemical structure, C21H18FN3O4, CAS 1246052-15-2
N-(4-Acetylphenyl)-2-[3-(4-fluoro-2-methoxyphenyl)-6-oxopyridazin-1(6H)-yl]acetamide
CAS 1246052-15-2C21H18FN3O4
N-(4-Acetylphenyl)-2-[3-(2-fluoro-4-methoxyphenyl)-6-oxopyridazin-1(6H)-yl]acetamide chemical structure, C21H18FN3O4, CAS 1246055-92-4
N-(4-Acetylphenyl)-2-[3-(2-fluoro-4-methoxyphenyl)-6-oxopyridazin-1(6H)-yl]acetamide
CAS 1246055-92-4C21H18FN3O4
3-(3-(3,5-Dimethoxyphenyl)-1,2,4-oxadiazol-5-yl)-1-ethyl-6-fluoroquinolin-4(1H)-one chemical structure, C21H18FN3O4, CAS 1260748-56-8
3-(3-(3,5-Dimethoxyphenyl)-1,2,4-oxadiazol-5-yl)-1-ethyl-6-fluoroquinolin-4(1H)-one
CAS 1260748-56-8C21H18FN3O4
(4-(Benzo[d][1,3]dioxol-5-ylamino)-6-fluoroquinolin-3-yl)(morpholino)methanone chemical structure, C21H18FN3O4, CAS 1359224-04-6
(4-(Benzo[d][1,3]dioxol-5-ylamino)-6-fluoroquinolin-3-yl)(morpholino)methanone
CAS 1359224-04-6C21H18FN3O4
N-(4-Fluoro-2H-indazol-3-yl)-3-(7-methoxy-4-methyl-2-oxo-2H-chromen-6-yl)propanamide chemical structure, C21H18FN3O4, CAS 1435986-66-5
N-(4-Fluoro-2H-indazol-3-yl)-3-(7-methoxy-4-methyl-2-oxo-2H-chromen-6-yl)propanamide
CAS 1435986-66-5C21H18FN3O4
N-(2-(7-Fluoro-3-oxo-2,3-dihydrobenzo[f][1,4]oxazepin-4(5H)-yl)ethyl)-2-hydroxyquinoline-4-carboxamide chemical structure, C21H18FN3O4, CAS 2034411-24-8
N-(2-(7-Fluoro-3-oxo-2,3-dihydrobenzo[f][1,4]oxazepin-4(5H)-yl)ethyl)-2-hydroxyquinoline-4-carboxamide
CAS 2034411-24-8C21H18FN3O4

Frequently asked questions

What is the molar mass of C21H18FN3O4?

The molar mass of C21H18FN3O4 is 395.39 g/mol, calculated from standard atomic weights for 21 carbon atoms, 18 hydrogen atoms, 1 fluorine atom, 3 nitrogen atoms and 4 oxygen atoms. The monoisotopic mass is 395.1281 Da.

How many compounds have the formula C21H18FN3O4?

CompoundList lists 43 compounds with the molecular formula C21H18FN3O4, including N-({[(2-Fluorobenzyl)oxy]imino}methyl)-4-methoxy-2-phenoxynicotinamide, N-{[(Benzyloxy)imino]methyl}-2-(4-fluorophenoxy)-4-methoxynicotinamide, 1-{4-[(2-Fluoro-6-Methoxy-3'-Nitrobiphenyl-3-Yl)methyl]phenyl}urea. 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 C21H18FN3O4?

C21H18FN3O4 has a degree of unsaturation of 14. 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.