Molecular formula

C₁₈H₂₁FN₂O₄

19 compounds have this formula on CompoundList.

Molar mass: 348.37g/mol
Monoisotopic mass: 348.1485Da
Atoms: 46
Elements: 5
Rings plus double bonds: 9

The formula C18H21FN2O4 describes a molecule made of 18 carbon atoms, 21 hydrogen atoms, 1 fluorine atom, 2 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 × 1862.06%
12.011 × 18 = 216.198 g/mol
H Hydrogen × 216.08%
1.008 × 21 = 21.168 g/mol
F Fluorine × 15.45%
18.998 × 1 = 18.998 g/mol
N Nitrogen × 28.04%
14.007 × 2 = 28.014 g/mol
O Oxygen × 418.37%
15.999 × 4 = 63.996 g/mol

Look up another formula

Compounds with the formula C18H21FN2O4

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

Showing 1 to 19 of 19 compounds

Ethyl 1-ethyl-6-fluoro-7-morpholin-4-yl-4-oxoquinoline-3-carboxylate

CAS 340805-21-2C₁₈H₂₁FN₂O₄

2-{5-[(4-Fluorophenyl)methoxy]-2-(hydroxymethyl)-4-oxo-1,4-dihydropyridin-1-yl}-N-(propan-2-yl)acetamide

CAS 946333-96-6C₁₈H₂₁FN₂O₄

2-(5-((4-Fluorobenzyl)oxy)-2-methyl-4-oxopyridin-1(4H)-yl)-N-(2-methoxyethyl)acetamide

CAS 946204-97-3C₁₈H₂₁FN₂O₄

Pyrrol-2(5H)-one, 4-acetyl-5-(2-fluorophenyl)-3-hydroxy-1-(2-morpholinoethyl)-

CAS 381192-13-8C₁₈H₂₁FN₂O₄

5-(3-{3-[(2-Fluorophenoxy)methyl]-1-piperidinyl}-3-oxopropyl)-3-isoxazolol

CAS 1377877-28-5C₁₈H₂₁FN₂O₄

Ethyl 1-[1-(4-fluorophenyl)-2,5-dioxopyrrolidin-3-yl]piperidine-4-carboxylate

CAS 331759-66-1C₁₈H₂₁FN₂O₄

N1-(3-(2,5-dimethylfuran-3-yl)-3-hydroxypropyl)-N2-(4-fluorobenzyl)oxalamide

CAS 1421528-88-2C₁₈H₂₁FN₂O₄

N-(2-(2-(2,5-Dioxopyrrolidin-1-yl)ethoxy)ethyl)-1-(4-fluorophenyl)cyclopropanecarboxamide

CAS 2034538-67-3C₁₈H₂₁FN₂O₄

2-(5-((2-Fluorobenzyl)oxy)-2-methyl-4-oxopyridin-1(4H)-yl)-N-(2-methoxyethyl)acetamide

CAS 941974-04-5C₁₈H₂₁FN₂O₄

2-(5-((2-Fluorobenzyl)oxy)-2-(hydroxymethyl)-4-oxopyridin-1(4H)-yl)-N-isopropylacetamide

CAS 946227-61-8C₁₈H₂₁FN₂O₄

1-(2,4-Dimethoxyphenyl)-3-(2-(3-fluorophenyl)-2-methoxyethyl)urea

CAS 1797027-32-7C₁₈H₂₁FN₂O₄

3-(1-(3-(3-Fluoro-4-methylphenyl)propanoyl)piperidin-4-yl)oxazolidine-2,4-dione

CAS 2034361-77-6C₁₈H₂₁FN₂O₄

4-{1-[3-(2-Fluorophenyl)propanoyl]piperidin-4-yl}morpholine-3,5-dione

CAS 2034423-86-2C₁₈H₂₁FN₂O₄

Ethyl 1-(1-(3-fluorophenyl)-2,5-dioxopyrrolidin-3-yl)piperidine-3-carboxylate

CAS 894216-35-4C₁₈H₂₁FN₂O₄

Methyl 2-cyano-2-(4-(5-fluoropyridin-2-yl)-1,9-dioxaspiro[5.5]undecan-4-yl)acetate

CAS 2899653-94-0C₁₈H₂₁FN₂O₄

Thymidine,3'-deoxy-4'-C-(fluoromethyl)-5'-O-(phenylmethyl)-

CAS 161852-89-7C₁₈H₂₁FN₂O₄

Carbamic acid,[3-amino-4-(2-fluoro-6-methoxyphenoxy)phenyl]-,1,1-dimethylethyl ester

CAS 640768-68-9C₁₈H₂₁FN₂O₄

1-((2-(2-Fluoro-6-methoxyphenyl)-5-methyloxazol-4-yl)methyl)piperidine-4-carboxylic acid

CAS 2111834-74-1C₁₈H₂₁FN₂O₄

2,4(1H,3H)-Pyrimidinedione,1-[5-(fluoromethyl)tetrahydro-5-[(phenylmethoxy)methyl]-2-furanyl]-5-methyl-,(2S-cis)-

CAS 161968-25-8C₁₈H₂₁FN₂O₄

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What is the molar mass of C18H21FN2O4?

The molar mass of C18H21FN2O4 is 348.37 g/mol, calculated from standard atomic weights for 18 carbon atoms, 21 hydrogen atoms, 1 fluorine atom, 2 nitrogen atoms and 4 oxygen atoms. The monoisotopic mass is 348.1485 Da.

How many compounds have the formula C18H21FN2O4?

CompoundList lists 19 compounds with the molecular formula C18H21FN2O4, including Ethyl 1-ethyl-6-fluoro-7-morpholin-4-yl-4-oxoquinoline-3-carboxylate, 2-{5-[(4-Fluorophenyl)methoxy]-2-(hydroxymethyl)-4-oxo-1,4-dihydropyridin-1-yl}-N-(propan-2-yl)acetamide, 2-(5-((4-Fluorobenzyl)oxy)-2-methyl-4-oxopyridin-1(4H)-yl)-N-(2-methoxyethyl)acetamide. 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 C18H21FN2O4?

C18H21FN2O4 has a degree of unsaturation of 9. 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.