Molecular formula
C18H19FN2O
61 compounds have this formula on CompoundList.
- Molar mass
- 298.36g/mol
- Monoisotopic mass
- 298.1481Da
- Atoms
- 41
- Elements
- 5
- Rings plus double bonds
- 10
The formula C18H19FN2O describes a molecule made of 18 carbon atoms, 19 hydrogen atoms, 1 fluorine atom, 2 nitrogen atoms and 1 oxygen atom. 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 × 1872.46%12.011 × 18 = 216.198 g/mol
- H Hydrogen × 196.42%1.008 × 19 = 19.152 g/mol
- F Fluorine × 16.37%18.998 × 1 = 18.998 g/mol
- N Nitrogen × 29.39%14.007 × 2 = 28.014 g/mol
- O Oxygen × 15.36%15.999 × 1 = 15.999 g/mol
Look up another formula
Compounds with the formula C18H19FN2O
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 61 of 61 compounds
4-Fluoro-N-(4-piperidinophenyl)benzenecarboxamide
CAS 251096-77-2C18H19FN2O
![2-(4-Fluorophenyl)-N-[2-(pyrrolidin-1-yl)phenyl]acetamide chemical structure, C18H19FN2O, CAS 1017335-98-6](/s/RQWDIGRPUQCLIN-UHFFFAOYSA-N.svg)
2-(4-Fluorophenyl)-N-[2-(pyrrolidin-1-yl)phenyl]acetamide
CAS 1017335-98-6C18H19FN2O
4-Fluorophenyl 4-benzylpiperazinyl ketone
CAS 289475-97-4C18H19FN2O
N-Cyclohexyl-4-fluoro-N-2-pyridinylbenzamide
CAS 380189-42-4C18H19FN2O
3-(3,4-Dihydro-1H-isoquinolin-2-yl)-N-(3-fluorophenyl)propanamide
CAS 333759-05-0C18H19FN2O
4-Fluoro-N-(2-piperidin-1-ylphenyl)benzamide
CAS 530131-99-8C18H19FN2O
3-(3,4-Dihydro-1H-isoquinolin-2-yl)-N-(2-fluorophenyl)propanamide
CAS 333758-97-7C18H19FN2O
3-(3,4-Dihydro-1H-isoquinolin-2-yl)-N-(4-fluorophenyl)propanamide
CAS 333758-83-1C18H19FN2O
2-Fluoro-N-(2-piperidin-1-ylphenyl)benzamide
CAS 531544-18-0C18H19FN2O
![1-[4-(2-Fluorophenyl)piperazin-1-yl]-2-phenylethanone chemical structure, C18H19FN2O, CAS 546069-01-6](/s/QKAUKTGEEYWZLS-UHFFFAOYSA-N.svg)
1-[4-(2-Fluorophenyl)piperazin-1-yl]-2-phenylethanone
CAS 546069-01-6C18H19FN2O
2-(3,4-Dihydro-1H-isoquinolin-2-yl)-N-(3-fluoro-4-methylphenyl)acetamide
CAS 851721-52-3C18H19FN2O
3-Fluoro-N-(2-piperidin-1-ylphenyl)benzamide
CAS 532980-51-1C18H19FN2O
2-(2-Fluorophenyl)-N-(2-pyrrolidin-1-ylphenyl)acetamide
CAS 1001793-03-8C18H19FN2O
N-(3-Fluorophenyl)-4-phenylpiperidine-1-carboxamide
CAS 866150-86-9C18H19FN2O
1-(4-Fluorophenyl)-4-(4-methylbenzoyl)piperazine
CAS 326898-84-4C18H19FN2O
![2-[(4-Fluorophenyl)methyl]-4,4-dimethyl-1-phenylpyrazolidin-3-one chemical structure, C18H19FN2O, CAS 866155-50-2](/s/XYYVZOFJKXHUJL-UHFFFAOYSA-N.svg)
2-[(4-Fluorophenyl)methyl]-4,4-dimethyl-1-phenylpyrazolidin-3-one
CAS 866155-50-2C18H19FN2O
N-(1-Benzylpyrrolidin-3-yl)-2-fluorobenzamide
CAS 1031205-66-9C18H19FN2O
(4-Benzylpiperazin-1-yl)-(3-fluorophenyl)methanone
CAS 354535-71-0C18H19FN2O
![2-(3-Fluorophenyl)-N-[2-(pyrrolidin-1-yl)phenyl]acetamide chemical structure, C18H19FN2O, CAS 1030140-40-9](/s/TXDQOSIYVIHIPR-UHFFFAOYSA-N.svg)
2-(3-Fluorophenyl)-N-[2-(pyrrolidin-1-yl)phenyl]acetamide
CAS 1030140-40-9C18H19FN2O
1-Benzyl-4-(2-fluorobenzoyl)piperazine
CAS 326902-14-1C18H19FN2O
![[4-[(2-Fluorophenyl)methyl]piperazin-1-yl]-phenylmethanone chemical structure, C18H19FN2O, CAS 355814-27-6](/s/AJCKEPBNQOKQCM-UHFFFAOYSA-N.svg)
[4-[(2-Fluorophenyl)methyl]piperazin-1-yl]-phenylmethanone
CAS 355814-27-6C18H19FN2O
5-(Cyclobutylethynyl)-3-fluoro-1-(tetrahydro-2H-pyran-2-yl)-1H-indazole
CAS 1365889-99-1C18H19FN2O
![[4-(4-Fluoro-phenyl)-piperazin-1-yl]-o-tolyl-methanone chemical structure, C18H19FN2O, CAS 5374-70-9](/s/SVABMWFVPXLQMA-UHFFFAOYSA-N.svg)
[4-(4-Fluoro-phenyl)-piperazin-1-yl]-o-tolyl-methanone
CAS 5374-70-9C18H19FN2O
![[4-(2-Fluorophenyl)piperazin-1-yl]-(4-methylphenyl)methanone chemical structure, C18H19FN2O, CAS 547703-47-9](/s/MKQBHUVZLJDJKR-UHFFFAOYSA-N.svg)
[4-(2-Fluorophenyl)piperazin-1-yl]-(4-methylphenyl)methanone
CAS 547703-47-9C18H19FN2O
- 1-{1-[(2-Fluorophenyl)methyl]benzimidazol-2-yl}butan-1-ol931336-12-8C18H19FN2O
- 2-Fluoro-N-[4-(piperidin-1-yl)phenyl]benzamide347336-07-6C18H19FN2O
- 1 suppliers2-(4-Benzylpiperazin-1-yl)-6-fluorobenzaldehyde159944-64-6C18H19FN2O
- 4-Fluorophenyl 4-(2-methylphenyl)piperazinyl ketone680868-67-1C18H19FN2O
- 1-((1-(4-Fluorophenyl)cyclopropyl)methyl)-3-(o-tolyl)urea1211823-86-7C18H19FN2O
- (3-Fluorophenyl)-[4-(2-methylphenyl)piperazin-1-yl]methanone873857-44-4C18H19FN2O
- 4-Fluoro-N-(2,2,4-trimethyl-2,3-dihydro-1H-indol-7-yl)benzenecarboxamide866150-78-9C18H19FN2O
- 4-Fluoro-N-[4-(pyrrolidin-1-yl)benzyl]benzamide932154-72-8C18H19FN2O
- N-(4-Fluorobenzyl)-3-phenylpyrrolidine-1-carboxamide1211023-70-9C18H19FN2O
- N-[3-Fluoro-4-(1-piperidinyl)phenyl]benzamide899123-66-1C18H19FN2O
- N-[2-(4-Fluorophenyl)ethyl]-1,2,3,4-tetrahydroisoquinoline-3-carboxamide1105059-12-8C18H19FN2O
- 1 suppliers4-(4-Benzylpiperazin-1-yl)-3-fluorobenzaldehyde883512-41-2C18H19FN2O
- 2-(4-Fluorobenzyloxyimino)-1-pyrid-3-ylcyclohexane124034-97-5C18H19FN2O
- 2-{1-[(5-Fluoropyridin-3-yl)methyl]pyrrolidin-2-yl}-1-phenylethan-1-one1808800-00-1C18H19FN2O
- 1-Benzyl-3-((1-(4-fluorophenyl)cyclopropyl)methyl)urea1210114-47-8C18H19FN2O
- (3-(4-Fluorophenyl)azepan-1-yl)(pyridin-4-yl)methanone1796970-25-6C18H19FN2O
- (3-(4-Fluorophenyl)azepan-1-yl)(pyridin-2-yl)methanone1798019-39-2C18H19FN2O
- 2-(4-Fluorophenyl)-N'-(4-isopropylbenzylidene)acetohydrazide362494-37-9C18H19FN2O
- N-[(E)-(4-tert-Butylphenyl)methylideneamino]-3-fluorobenzamide415690-11-8C18H19FN2O
- 1 suppliers2-(4-Benzylpiperazin-1-yl)-3-fluorobenzaldehyde883512-18-3C18H19FN2O
- 1 suppliers2-(4-Benzylpiperazin-1-yl)-5-fluorobenzaldehyde883512-26-3C18H19FN2O
- N-(4-(Dimethylamino)phenyl)-1-(4-fluorophenyl)cyclopropanecarboxamide1091381-39-3C18H19FN2O
- 3-[3-[(1-Cyclobutylaziridin-2-yl)methoxy]-5-fluorophenyl]pyridine2411201-88-0C18H19FN2O
- 3-(3-{[1-(Cyclopropylmethyl)aziridin-2-yl]methoxy}-5-fluorophenyl)pyridine2418716-80-8C18H19FN2O
- 6-Fluoro-2-[2-(1-pyrrolidinyl)ethoxy]-9H-carbazole61822-19-3C18H19FN2O
- 1-{3-[6-(4-Fluorophenyl)pyridin-3-yl]propyl}pyrrolidin-2-one918145-66-1C18H19FN2O
- 1-{3-[6-(2-Fluorophenyl)pyridin-3-yl]propyl}pyrrolidin-2-one918145-50-3C18H19FN2O
- 1H-Indazole-5-methanol,a-(4-fluorophenyl)-1-(2-methylpropyl)-753923-14-7C18H19FN2O
- N-(2-Fluorophenyl)-4-(pyrrolidin-1-ylmethyl)benzamide932202-22-7C18H19FN2O
- 3-(3,6-Dihydro-2'-methyl[4,4'-bipyridin]-1(2H)-yl)-2-fluorobenzenemethanol1400758-98-6C18H19FN2O
- N-[(6-Cyclopropylpyridin-3-yl)methyl]-3-(2-fluorophenyl)propanamide2097862-99-0C18H19FN2O
- 1-Benzyl-4-[(4-fluorophenyl)methyl]piperazin-2-one2415454-22-5C18H19FN2O
- 1-Benzyl-4-[(3-fluorophenyl)methyl]piperazin-2-one2415554-84-4C18H19FN2O
- 1-Benzyl-4-[(2-fluorophenyl)methyl]piperazin-2-one2415522-49-3C18H19FN2O
- 3-(4-Benzylpiperidine-1-carbonyl)-5-fluoropyridine2327429-06-9C18H19FN2O
- 4-(4-Benzylpiperidine-1-carbonyl)-3-fluoropyridine2322121-57-1C18H19FN2O
- 4-(4-Benzylpiperazin-1-yl)-2-fluorobenzaldehyde883512-34-3C18H19FN2O
Frequently asked questions
What is the molar mass of C18H19FN2O?
The molar mass of C18H19FN2O is 298.36 g/mol, calculated from standard atomic weights for 18 carbon atoms, 19 hydrogen atoms, 1 fluorine atom, 2 nitrogen atoms and 1 oxygen atom. The monoisotopic mass is 298.1481 Da.
How many compounds have the formula C18H19FN2O?
CompoundList lists 61 compounds with the molecular formula C18H19FN2O, including 4-Fluoro-N-(4-piperidinophenyl)benzenecarboxamide, 2-(4-Fluorophenyl)-N-[2-(pyrrolidin-1-yl)phenyl]acetamide, 4-Fluorophenyl 4-benzylpiperazinyl ketone. 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 C18H19FN2O?
C18H19FN2O has a degree of unsaturation of 10. 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.