Molecular formula

C₁₉H₂₁FN₄O₃

37 compounds have this formula on CompoundList.

Molar mass: 372.40g/mol
Monoisotopic mass: 372.1598Da
Atoms: 48
Elements: 5
Rings plus double bonds: 11

The formula C19H21FN4O3 describes a molecule made of 19 carbon atoms, 21 hydrogen atoms, 1 fluorine atom, 4 nitrogen atoms 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 × 1961.28%
12.011 × 19 = 228.209 g/mol
H Hydrogen × 215.68%
1.008 × 21 = 21.168 g/mol
F Fluorine × 15.10%
18.998 × 1 = 18.998 g/mol
N Nitrogen × 415.05%
14.007 × 4 = 56.028 g/mol
O Oxygen × 312.89%
15.999 × 3 = 47.997 g/mol

Look up another formula

Compounds with the formula C19H21FN4O3

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

Showing 1 to 37 of 37 compounds

N-(5-Fluoro-2-methylphenyl)-2-[4-(4-nitrophenyl)piperazin-1-yl]acetamide

CAS 882080-52-6C₁₉H₂₁FN₄O₃

Ecenofloxacin

CAS 162301-05-5C₁₉H₂₁FN₄O₃

1,8-Naphthyridine-3-carboxylic acid, 7-(3-amino-8-azabicyclo(3.2.1)oct-8-yl)-1-cyclopropyl-6-fluoro-1,4-dihydro-4-oxo-

CAS 183254-50-4C₁₉H₂₁FN₄O₃

N1-(2-(4-fluorophenyl)-2-morpholinoethyl)-N2-(pyridin-4-yl)oxalamide

CAS 941871-35-8C₁₉H₂₁FN₄O₃

1-(4-Fluorophenyl)-5-oxo-N-(1-(tetrahydro-2H-pyran-4-yl)-1H-pyrazol-4-yl)pyrrolidine-3-carboxamide

CAS 1797182-06-9C₁₉H₂₁FN₄O₃

Ethyl 4-(cyano(5-(2-fluoro-5-methylphenyl)isoxazol-3-yl)methyl)piperazine-1-carboxylate

CAS 657425-42-8C₁₉H₂₁FN₄O₃

3-(4-Fluorophenyl)-N-isopentyl-5-methyl-2,4-dioxo-2,3,4,5-tetrahydro-1H-pyrrolo[3,2-d]pyrimidine-7-carboxamide

CAS 923245-80-1C₁₉H₂₁FN₄O₃

4-(4-Fluorophenyl)-N-{2-[(4-hydroxyphenyl)amino]-2-oxoethyl}piperazine-1-carboxamide

CAS 1324094-92-9C₁₉H₂₁FN₄O₃

4-(4-Fluorophenyl)-N-{2-[(3-hydroxyphenyl)amino]-2-oxoethyl}piperazine-1-carboxamide

CAS 1324090-72-3C₁₉H₂₁FN₄O₃

1-(4-Fluorophenyl)-N-((1-methyl-1,4,6,7-tetrahydropyrano[4,3-c]pyrazol-3-yl)methyl)-5-oxopyrrolidine-3-carboxamide

CAS 1796966-70-5C₁₉H₂₁FN₄O₃

N-(2-(3-((6-Ethyl-5-fluoropyrimidin-4-yl)oxy)pyrrolidin-1-yl)-2-oxoethyl)benzamide

CAS 2034298-71-8C₁₉H₂₁FN₄O₃

N-(4-(3-((6-Ethyl-5-fluoropyrimidin-4-yl)oxy)pyrrolidine-1-carbonyl)phenyl)acetamide

CAS 2034524-19-9C₁₉H₂₁FN₄O₃

[4-[3-(Ethylamino)-4-nitrophenyl]piperazin-1-yl]-(2-fluorophenyl)methanone

CAS 662164-16-1C₁₉H₂₁FN₄O₃

N-(1-Cyanocyclopentyl)-2-[4-ethyl-4-(4-fluorophenyl)-2,5-dioxoimidazolidin-1-yl]acetamide

CAS 849604-31-5C₁₉H₂₁FN₄O₃

1H-Purine-2,6-dione, 3,7-dihydro-1,3-diethyl-8-(2-(3-fluoro-4-methoxyphenyl)ethenyl)-7-methyl-, (E)-

CAS 155271-96-8C₁₉H₂₁FN₄O₃

N-(4-Fluorophenethyl)-5-(3-methoxypropyl)-3-oxo-3,5-dihydro-2H-pyrazolo[4,3-c]pyridine-7-carboxamide

CAS 1219906-30-5C₁₉H₂₁FN₄O₃

N-(1-Cyanocyclohexyl)-2-[4-(2-fluorophenyl)-4-methyl-2,5-dioxoimidazolidin-1-yl]acetamide

CAS 1252316-92-9C₁₉H₂₁FN₄O₃

tert-Butyl 3-(2-fluoropyridine-4-amido)-5,6,7,8-tetrahydro-1,6-naphthyridine-6-carboxylate

CAS 2411274-16-1C₁₉H₂₁FN₄O₃

N-[4-Fluoro-3-(prop-2-enamido)phenyl]-3-methyl-1-(oxan-4-yl)-1H-pyrazole-4-carboxamide

CAS 2361839-52-1C₁₉H₂₁FN₄O₃

5-Fluoro-2-[4-(oxolane-3-carbonyl)piperazin-1-yl]-6-phenyl-3,4-dihydropyrimidin-4-one

CAS 2549005-02-7C₁₉H₂₁FN₄O₃

6-Cyclopropyl-5-fluoro-2-[4-(2-methoxybenzoyl)piperazin-1-yl]-3,4-dihydropyrimidin-4-one

CAS 2549051-32-1C₁₉H₂₁FN₄O₃

6-Cyclopropyl-5-fluoro-2-[4-(2-phenoxyacetyl)piperazin-1-yl]-3,4-dihydropyrimidin-4-one

CAS 2549021-15-8C₁₉H₂₁FN₄O₃

2-[4-(3,4-Dihydro-2H-1-benzopyran-3-carbonyl)piperazin-1-yl]-5-fluoro-6-methyl-3,4-dihydropyrimidin-4-one

CAS 2549002-42-6C₁₉H₂₁FN₄O₃

5-Fluoro-2-[5-(2-methoxybenzoyl)-octahydropyrrolo[3,4-c]pyrrol-2-yl]-6-methyl-3,4-dihydropyrimidin-4-one

CAS 2640970-92-7C₁₉H₂₁FN₄O₃

Frequently asked questions

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What is the molar mass of C19H21FN4O3?

The molar mass of C19H21FN4O3 is 372.40 g/mol, calculated from standard atomic weights for 19 carbon atoms, 21 hydrogen atoms, 1 fluorine atom, 4 nitrogen atoms and 3 oxygen atoms. The monoisotopic mass is 372.1598 Da.

How many compounds have the formula C19H21FN4O3?

CompoundList lists 37 compounds with the molecular formula C19H21FN4O3, including N-(5-Fluoro-2-methylphenyl)-2-[4-(4-nitrophenyl)piperazin-1-yl]acetamide, Ecenofloxacin, 1,8-Naphthyridine-3-carboxylic acid, 7-(3-amino-8-azabicyclo(3.2.1)oct-8-yl)-1-cyclopropyl-6-fluoro-1,4-dihydro-4-oxo-. 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 C19H21FN4O3?

C19H21FN4O3 has a degree of unsaturation of 11. 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.