Molecular formula
C20H21FN2O3
84 compounds have this formula on CompoundList.
- Molar mass
- 356.40g/mol
- Monoisotopic mass
- 356.1536Da
- Atoms
- 47
- Elements
- 5
- Rings plus double bonds
- 11
The formula C20H21FN2O3 describes a molecule made of 20 carbon atoms, 21 hydrogen atoms, 1 fluorine atom, 2 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 × 2067.40%12.011 × 20 = 240.220 g/mol
- H Hydrogen × 215.94%1.008 × 21 = 21.168 g/mol
- F Fluorine × 15.33%18.998 × 1 = 18.998 g/mol
- N Nitrogen × 27.86%14.007 × 2 = 28.014 g/mol
- O Oxygen × 313.47%15.999 × 3 = 47.997 g/mol
Look up another formula
Compounds with the formula C20H21FN2O3
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 84 of 84 compounds
1-(1,3-Benzodioxol-5-yl)-3-(4-(4-fluorophenyl)-1-piperazinyl)-1-propanone
CAS 344569-55-7C20H21FN2O3
![2-[4-(2-Fluorophenyl)piperazin-1-yl]-2-oxo-1-phenylethyl acetate chemical structure, C20H21FN2O3, CAS 488743-36-8](/s/NHSSJNVMAAOQIR-UHFFFAOYSA-N.svg)
2-[4-(2-Fluorophenyl)piperazin-1-yl]-2-oxo-1-phenylethyl acetate
CAS 488743-36-8C20H21FN2O3
N-(2-Fluorophenyl)-1-(4-isopropoxyphenyl)-5-oxo-3-pyrrolidinecarboxamide
CAS 641595-56-4C20H21FN2O3
![2-[4-(4-Fluorophenyl)piperazin-1-yl]-2-oxo-1-phenylethyl acetate chemical structure, C20H21FN2O3, CAS 489422-62-0](/s/UNEWPABCEADDIA-UHFFFAOYSA-N.svg)
2-[4-(4-Fluorophenyl)piperazin-1-yl]-2-oxo-1-phenylethyl acetate
CAS 489422-62-0C20H21FN2O3
![1-[4-(3-Fluorobenzoyl)piperazin-1-yl]-2-(4-methylphenoxy)ethanone chemical structure, C20H21FN2O3, CAS 423751-98-8](/s/KMPBFVXHIKNWKE-UHFFFAOYSA-N.svg)
1-[4-(3-Fluorobenzoyl)piperazin-1-yl]-2-(4-methylphenoxy)ethanone
CAS 423751-98-8C20H21FN2O3
![2-{[4-(4-Fluorophenyl)piperazin-1-yl]carbonyl}-3-methyl-6,7-dihydro-1-benzofuran-4(5H)-one chemical structure, C20H21FN2O3, CAS 881431-89-6](/s/CGLUDCFKDOBUBY-UHFFFAOYSA-N.svg)
2-{[4-(4-Fluorophenyl)piperazin-1-yl]carbonyl}-3-methyl-6,7-dihydro-1-benzofuran-4(5H)-one
CAS 881431-89-6C20H21FN2O3
![1-(4-Ethoxyphenyl)-3-[2-(3-fluorophenyl)ethylamino]pyrrolidine-2,5-dione chemical structure, C20H21FN2O3, CAS 473703-70-7](/s/MNSBLJMLIGRDSJ-UHFFFAOYSA-N.svg)
1-(4-Ethoxyphenyl)-3-[2-(3-fluorophenyl)ethylamino]pyrrolidine-2,5-dione
CAS 473703-70-7C20H21FN2O3
![1-(4-Fluorophenyl)-N-[2-(4-methoxyphenyl)ethyl]-5-oxopyrrolidine-3-carboxamide chemical structure, C20H21FN2O3, CAS 425616-32-6](/s/SDMMJEHVPANIFS-UHFFFAOYSA-N.svg)
1-(4-Fluorophenyl)-N-[2-(4-methoxyphenyl)ethyl]-5-oxopyrrolidine-3-carboxamide
CAS 425616-32-6C20H21FN2O3
![4H-1,4-Benzoxazine-4-acetamide, 2-ethyl-N-[(4-fluorophenyl)methyl]-2,3-dihydro-6-methyl-3-oxo- chemical structure, C20H21FN2O3, CAS 606120-40-5](/s/HKDVJVWBFJRSAI-UHFFFAOYSA-N.svg)
4H-1,4-Benzoxazine-4-acetamide, 2-ethyl-N-[(4-fluorophenyl)methyl]-2,3-dihydro-6-methyl-3-oxo-
CAS 606120-40-5C20H21FN2O3
![1-[4-(3-Fluorobenzoyl)piperazin-1-yl]-2-(3-methylphenoxy)ethanone chemical structure, C20H21FN2O3, CAS 423738-34-5](/s/SCOMFPMFSIJABJ-UHFFFAOYSA-N.svg)
1-[4-(3-Fluorobenzoyl)piperazin-1-yl]-2-(3-methylphenoxy)ethanone
CAS 423738-34-5C20H21FN2O3
![3-[(4-Fluorobenzyl)amino]-1-(4-propoxyphenyl)pyrrolidine-2,5-dione chemical structure, C20H21FN2O3, CAS 355138-34-0](/s/FTPVGHYTNCPFDQ-UHFFFAOYSA-N.svg)
3-[(4-Fluorobenzyl)amino]-1-(4-propoxyphenyl)pyrrolidine-2,5-dione
CAS 355138-34-0C20H21FN2O3
![2-[4-(3-Fluorobenzoyl)piperazin-1-yl]-1-(4-methoxyphenyl)ethanone chemical structure, C20H21FN2O3, CAS 336179-20-5](/s/BXDGCIMHRRWUSM-UHFFFAOYSA-N.svg)
2-[4-(3-Fluorobenzoyl)piperazin-1-yl]-1-(4-methoxyphenyl)ethanone
CAS 336179-20-5C20H21FN2O3
1-(4-Fluorobenzoyl)-N-(3-methoxyphenyl)piperidine-4-carboxamide
CAS 591238-20-9C20H21FN2O3
N-(3-Fluorophenyl)-1-(4-methoxybenzoyl)piperidine-4-carboxamide
CAS 700847-75-2C20H21FN2O3
N-(1-(3-Fluorophenyl)-5-oxopyrrolidin-3-yl)-3-(4-methoxyphenyl)propanamide
CAS 905662-20-6C20H21FN2O3
![N-[1-(4-Fluorophenyl)-5-oxopyrrolidin-3-yl]-3-(4-methoxyphenyl)propanamide chemical structure, C20H21FN2O3, CAS 905664-90-6](/s/CGNVSZKVULFNKZ-UHFFFAOYSA-N.svg)
N-[1-(4-Fluorophenyl)-5-oxopyrrolidin-3-yl]-3-(4-methoxyphenyl)propanamide
CAS 905664-90-6C20H21FN2O3
N-((1-(4-Fluorobenzyl)-5-oxopyrrolidin-3-yl)methyl)-2-phenoxyacetamide
CAS 954654-34-3C20H21FN2O3
![2-(4-Fluorophenyl)-N-(3,3,5-trimethyl-4-oxo-2,3,4,5-tetrahydrobenzo[b][1,4]oxazepin-7-yl)acetamide chemical structure, C20H21FN2O3, CAS 921811-91-8](/s/RRPRAMQDUJENFV-UHFFFAOYSA-N.svg)
2-(4-Fluorophenyl)-N-(3,3,5-trimethyl-4-oxo-2,3,4,5-tetrahydrobenzo[b][1,4]oxazepin-7-yl)acetamide
CAS 921811-91-8C20H21FN2O3
![N-(5-Ethyl-3,3-dimethyl-4-oxo-2,3,4,5-tetrahydrobenzo[b][1,4]oxazepin-7-yl)-2-fluorobenzamide chemical structure, C20H21FN2O3, CAS 921789-71-1](/s/MOLRTXMCLWCHEX-UHFFFAOYSA-N.svg)
N-(5-Ethyl-3,3-dimethyl-4-oxo-2,3,4,5-tetrahydrobenzo[b][1,4]oxazepin-7-yl)-2-fluorobenzamide
CAS 921789-71-1C20H21FN2O3
![N-(5-Ethyl-3,3-dimethyl-4-oxo-2,3,4,5-tetrahydrobenzo[b][1,4]oxazepin-7-yl)-4-fluorobenzamide chemical structure, C20H21FN2O3, CAS 921559-43-5](/s/MUCNEFBFWXLSPO-UHFFFAOYSA-N.svg)
N-(5-Ethyl-3,3-dimethyl-4-oxo-2,3,4,5-tetrahydrobenzo[b][1,4]oxazepin-7-yl)-4-fluorobenzamide
CAS 921559-43-5C20H21FN2O3
2-(4-Fluorophenyl)-N-(2-oxo-2-(2-phenylmorpholino)ethyl)acetamide
CAS 953985-48-3C20H21FN2O3
![1-(4-Ethoxyphenyl)-3-{[2-(2-fluorophenyl)ethyl]amino}-2,5-pyrrolidinedione chemical structure, C20H21FN2O3, CAS 357614-26-7](/s/MNQODASRMQMUJM-UHFFFAOYSA-N.svg)
1-(4-Ethoxyphenyl)-3-{[2-(2-fluorophenyl)ethyl]amino}-2,5-pyrrolidinedione
CAS 357614-26-7C20H21FN2O3
2-(4-Fluorophenoxy)-N-(2-oxo-1-propyl-1,2,3,4-tetrahydroquinolin-6-yl)acetamide
CAS 941910-54-9C20H21FN2O3
![1-[4-(4-Fluorobenzoyl)piperazin-1-yl]-2-(3-methylphenoxy)ethanone chemical structure, C20H21FN2O3, CAS 423754-17-0](/s/ZBBVJIIJVPNBGA-UHFFFAOYSA-N.svg)
1-[4-(4-Fluorobenzoyl)piperazin-1-yl]-2-(3-methylphenoxy)ethanone
CAS 423754-17-0C20H21FN2O3
- 1-[4-(2-Fluorobenzoyl)piperazin-1-yl]-2-(3-methylphenoxy)ethanone423750-33-8C20H21FN2O3
- 2-(4-(2-Fluorophenyl)piperazine-1-carbonyl)-3-methyl-6,7-dihydrobenzofuran-4(5H)-one879914-47-3C20H21FN2O3
- Acetophenone, 4'-fluoro-2-(4-piperonylpiperazin-1-yl)-2194-75-4C20H21FN2O3
- 1-(4-Fluorobenzoyl)-N-(2-methoxyphenyl)piperidine-4-carboxamide433956-67-3C20H21FN2O3
- 1-[4-(4-Fluorobenzoyl)piperazin-1-yl]-2-(4-methylphenoxy)ethanone423739-57-5C20H21FN2O3
- 1-(4-Fluorophenyl)-5-oxo-N-(3-propan-2-yloxyphenyl)pyrrolidine-3-carboxamide701275-86-7C20H21FN2O3
- Ethyl 4-{[(6-fluoro-2-methyl-3,4-dihydroquinolin-1(2H)-yl)carbonyl]amino}benzoate701289-21-6C20H21FN2O3
- 1-[4-(2-Fluorobenzoyl)piperazin-1-yl]-2-(4-methylphenoxy)ethanone423742-03-4C20H21FN2O3
- (Z)-3-(3,5-Dimethoxyanilino)-2-[4-(3-fluoropropoxy)phenyl]-2-propenenitrile478039-54-2C20H21FN2O3
- 2-(4-Fluorophenyl)-N-[3-methoxy-4-(2-oxopiperidin-1-yl)phenyl]acetamide941872-74-8C20H21FN2O3
- 2-(4-Fluorophenyl)-N-((1-(4-methoxyphenyl)-5-oxopyrrolidin-3-yl)methyl)acetamide954652-68-7C20H21FN2O3
- N-[3-Fluoro-4-(1-piperidinyl)phenyl]-2,3-dihydro-1,4-benzodioxine-6-carboxamide899126-96-6C20H21FN2O3
- 4-Ethoxy-N-(4-fluorophenyl)-N-[(2-oxopyrrolidin-1-yl)methyl]benzamide852155-31-8C20H21FN2O3
- N1-((1-(4-fluorophenyl)cyclopropyl)methyl)-N2-(2-methoxy-5-methylphenyl)oxalamide1049437-51-5C20H21FN2O3
- N1-((1-(4-fluorophenyl)cyclopropyl)methyl)-N2-(2-methoxybenzyl)oxalamide1049363-37-2C20H21FN2O3
- 1-Cyclopropyl-4-((1-(2-(4-fluorophenyl)acetyl)azetidin-3-yl)oxy)-6-methylpyridin-2(1H)-one2034360-04-6C20H21FN2O3
- N-{[1-(1,3-Dioxaindan-5-yl)cyclohexyl]methyl}-2-fluoropyridine-4-carboxamide1808852-49-4C20H21FN2O3
- 4H-1,4-Benzoxazine-4-acetamide, 2-ethyl-N-[(2-fluorophenyl)methyl]-2,3-dihydro-6-methyl-3-oxo-606120-42-7C20H21FN2O3
- 2-(4-Fluorophenyl)-N-[4-methoxy-3-(2-oxopiperidin-1-yl)phenyl]acetamide941873-32-1C20H21FN2O3
- N-{[1-(4-Fluorophenyl)-5-oxopyrrolidin-3-yl]methyl}-2-(2-methylphenoxy)acetamide955244-63-0C20H21FN2O3
- N-((1-(4-Fluorophenyl)-5-oxopyrrolidin-3-yl)methyl)-2-(m-tolyloxy)acetamide954703-96-9C20H21FN2O3
- N-((1-(4-Fluorophenyl)-5-oxopyrrolidin-3-yl)methyl)-2-(p-tolyloxy)acetamide954597-20-7C20H21FN2O3
- N-((1-(4-Fluorophenyl)-5-oxopyrrolidin-3-yl)methyl)-2-(4-methoxyphenyl)acetamide954704-04-2C20H21FN2O3
- N-((1-(4-Fluorobenzyl)-5-oxopyrrolidin-3-yl)methyl)-2-methoxybenzamide954653-86-2C20H21FN2O3
- N-((1-(4-Fluorobenzyl)-5-oxopyrrolidin-3-yl)methyl)-4-methoxybenzamide955251-71-5C20H21FN2O3
- N-((3-(4-Fluorophenyl)-2-oxooxazolidin-5-yl)methyl)-4-phenylbutanamide955240-85-4C20H21FN2O3
- 2-(2-Fluorophenoxy)-N-(2-oxo-1-propyl-1,2,3,4-tetrahydroquinolin-6-yl)acetamide946269-54-1C20H21FN2O3
- 2-(4-Fluorophenoxy)-N-(2-propionyl-1,2,3,4-tetrahydroisoquinolin-7-yl)acetamide955708-92-6C20H21FN2O3
- 3-(1,3-Benzodioxol-5-yl)-1-[4-(2-fluorophenyl)piperazin-1-yl]propan-1-one931040-91-4C20H21FN2O3
- 2-(2-Fluorophenoxy)-N-{4-[2-oxo-2-(pyrrolidin-1-yl)ethyl]phenyl}acetamide1070959-92-0C20H21FN2O3
- 2-(4-Fluorophenoxy)-N-{4-[2-oxo-2-(pyrrolidin-1-yl)ethyl]phenyl}acetamide1060261-20-2C20H21FN2O3
- 2-(4-Fluorophenoxy)-N-(1-propanoyl-1,2,3,4-tetrahydroquinolin-7-yl)acetamide946369-33-1C20H21FN2O3
- N-(5-Ethyl-3,3-dimethyl-4-oxo-2,3,4,5-tetrahydrobenzo[b][1,4]oxazepin-7-yl)-3-fluorobenzamide921559-51-5C20H21FN2O3
- 2-(4-Fluorophenyl)-N-(3,3,5-trimethyl-4-oxo-2,3,4,5-tetrahydrobenzo[b][1,4]oxazepin-8-yl)acetamide921867-74-5C20H21FN2O3
- N-(5-Ethyl-3,3-dimethyl-4-oxo-2,3,4,5-tetrahydrobenzo[b][1,4]oxazepin-8-yl)-2-fluorobenzamide921562-29-0C20H21FN2O3
- N-(5-Ethyl-3,3-dimethyl-4-oxo-2,3,4,5-tetrahydrobenzo[b][1,4]oxazepin-8-yl)-4-fluorobenzamide921519-48-4C20H21FN2O3
- N-(5-Ethyl-3,3-dimethyl-4-oxo-2,3,4,5-tetrahydrobenzo[b][1,4]oxazepin-8-yl)-3-fluorobenzamide921519-52-0C20H21FN2O3
- N-[1-(4-Fluorophenyl)ethyl]-1-(4-methoxyphenyl)-5-oxopyrrolidine-3-carboxamide1050683-75-4C20H21FN2O3
- (E)-N-((1-(2-Fluorobenzoyl)piperidin-4-yl)methyl)-3-(furan-3-yl)acrylamide1798395-08-0C20H21FN2O3
- Methyl 7-(3-(2-fluorophenyl)propanamido)-3,4-dihydroisoquinoline-2(1H)-carboxylate1797972-86-1C20H21FN2O3
- 8-(3-Fluoro-4-methoxybenzoyl)-3-(pyridin-2-yloxy)-8-azabicyclo[3.2.1]octane2109277-97-4C20H21FN2O3
- 1-(4-Fluorobenzoyl)-N-(4-methoxyphenyl)piperidine-4-carboxamide591239-47-3C20H21FN2O3
- 2-(2-Fluorophenoxy)-N-[4-methyl-3-(2-oxopiperidin-1-yl)phenyl]acetamide941919-55-7C20H21FN2O3
- 1-(2-Fluorobenzoyl)-N-(2-methoxyphenyl)piperidine-4-carboxamide942894-10-2C20H21FN2O3
- 1-(3-Fluorobenzoyl)-N-(4-methoxyphenyl)piperidine-4-carboxamide945335-87-5C20H21FN2O3
- 1-(3-Fluorobenzoyl)-N-(2-methoxyphenyl)piperidine-4-carboxamide945300-05-0C20H21FN2O3
- Benzyl 4-(4-acetyl-2-fluorophenyl)piperazine-1-carboxylate1364836-49-6C20H21FN2O3
- 2-(4-Fluorophenyl)-N-(4-(2-morpholino-2-oxoethyl)phenyl)acetamide1070960-34-7C20H21FN2O3
- 2-(2-Fluorophenoxy)-N-(1-propionyl-1,2,3,4-tetrahydroquinolin-7-yl)acetamide946321-67-1C20H21FN2O3
- 1H-Pyrrolo[2,3-c]pyridine-5-carboxylic acid,1-[(4-fluorophenyl)methyl]-4-(3-hydroxypropyl)-,ethyl ester868551-68-2C20H21FN2O3
- N-(2-(Benzofuran-2-yl)-2-(dimethylamino)ethyl)-3-fluoro-4-methoxybenzamide2034391-92-7C20H21FN2O3
- N-{[1-(1,3-Dioxaindan-5-yl)cyclohexyl]methyl}-6-fluoropyridine-3-carboxamide1808713-55-4C20H21FN2O3
- [3-(6-Fluoropyridin-2-yl)oxypyrrolidin-1-yl]-[1-(2-methoxyphenyl)cyclopropyl]methanone3054620-72-0C20H21FN2O3
- Benzyl 4-[2-(4-fluorophenyl)-2-oxoethyl]piperazine-1-carboxylate1328254-60-9C20H21FN2O3
- 1-[(4-Fluorophenyl)methyl]-N-[(3-methoxyphenyl)methyl]-5-oxopyrrolidine-2-carboxamide2379970-41-7C20H21FN2O3
- 1-[(4-Fluorophenyl)methyl]-N-(3-methoxyphenyl)-6-oxopiperidine-2-carboxamide2770581-86-5C20H21FN2O3
- 1-[(4-Fluorophenyl)methyl]-N-(4-methoxyphenyl)-6-oxopiperidine-2-carboxamide2770581-89-8C20H21FN2O3
- tert-Butyl N-{4-[(5-cyano-2-fluorophenyl)methoxy]-2-methylphenyl}carbamate2680712-84-7C20H21FN2O3
- 1-[(4-Fluorophenyl)methyl]-N-(2-methoxyphenyl)-6-oxopiperidine-2-carboxamide2770582-07-3C20H21FN2O3
- 1-Piperidineacetamide,4-[(4-fluorophenyl)methyl]-N-(2-hydroxyphenyl)-a-oxo-496058-12-9C20H21FN2O3
Frequently asked questions
What is the molar mass of C20H21FN2O3?
The molar mass of C20H21FN2O3 is 356.40 g/mol, calculated from standard atomic weights for 20 carbon atoms, 21 hydrogen atoms, 1 fluorine atom, 2 nitrogen atoms and 3 oxygen atoms. The monoisotopic mass is 356.1536 Da.
How many compounds have the formula C20H21FN2O3?
CompoundList lists 84 compounds with the molecular formula C20H21FN2O3, including 1-(1,3-Benzodioxol-5-yl)-3-(4-(4-fluorophenyl)-1-piperazinyl)-1-propanone, 2-[4-(2-Fluorophenyl)piperazin-1-yl]-2-oxo-1-phenylethyl acetate, N-(2-Fluorophenyl)-1-(4-isopropoxyphenyl)-5-oxo-3-pyrrolidinecarboxamide. 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 C20H21FN2O3?
C20H21FN2O3 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.