C21H20FN3O
44 compounds have this formula on CompoundList.
- Molar mass
- 349.41g/mol
- Monoisotopic mass
- 349.1590Da
- Atoms
- 46
- Elements
- 5
- Rings plus double bonds
- 13
The formula C21H20FN3O describes a molecule made of 21 carbon atoms, 20 hydrogen atoms, 1 fluorine atom, 3 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 × 2172.19%12.011 × 21 = 252.231 g/mol
- H Hydrogen × 205.77%1.008 × 20 = 20.160 g/mol
- F Fluorine × 15.44%18.998 × 1 = 18.998 g/mol
- N Nitrogen × 312.03%14.007 × 3 = 42.021 g/mol
- O Oxygen × 14.58%15.999 × 1 = 15.999 g/mol
Compounds with the formula C21H20FN3O
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 44 of 44 compounds
![1-(2-Fluorophenyl)-4-[1-(2-methylprop-2-en-1-yl)-1H-1,3-benzodiazol-2-yl]pyrrolidin-2-one chemical structure, C21H20FN3O, CAS 847395-92-0](/s/VEDJOJFRQFSFGQ-UHFFFAOYSA-N.svg)
![2-Ethyl-N-(4-fluorophenyl)-3,4-dihydro-1H-benzo[b][1,6]naphthyridine-10-carboxamide chemical structure, C21H20FN3O, CAS 784197-64-4](/s/XOJLUIJWQDLGFT-UHFFFAOYSA-N.svg)
![1-[3-(4-Fluorophenyl)-1-phenyl-1H-pyrazole-4-carbonyl]piperidine chemical structure, C21H20FN3O, CAS 380463-05-8](/s/GOQJOWTYGSFMRK-UHFFFAOYSA-N.svg)
![1-Allyl-4-(1-(4-fluorobenzyl)-1H-benzo[d]imidazol-2-yl)pyrrolidin-2-one chemical structure, C21H20FN3O, CAS 874639-67-5](/s/CMGJYRSVFRAOEU-UHFFFAOYSA-N.svg)
![1-(2-Fluorophenyl)-4-[4-(1H-pyrrol-1-yl)benzoyl]piperazine chemical structure, C21H20FN3O, CAS 1207010-32-9](/s/RDUOLOPSUXQQJQ-UHFFFAOYSA-N.svg)
methanone chemical structure, C21H20FN3O, CAS 327976-35-2](/s/UOZVEFVUVJTSMH-UHFFFAOYSA-N.svg)
![N-Benzyl-1-(2-fluorophenyl)-3,4-dihydropyrrolo[1,2-a]pyrazine-2(1H)-carboxamide chemical structure, C21H20FN3O, CAS 899959-79-6](/s/XCVFJFAJLUXRFO-UHFFFAOYSA-N.svg)
![1-Allyl-4-(1-(2-fluorobenzyl)-1H-benzo[d]imidazol-2-yl)pyrrolidin-2-one chemical structure, C21H20FN3O, CAS 874639-57-3](/s/RFPUUXJRXUXONG-UHFFFAOYSA-N.svg)
![1-[(4-Fluorophenyl)methyl]-4-(1-prop-2-enylbenzimidazol-2-yl)pyrrolidin-2-one chemical structure, C21H20FN3O, CAS 890642-35-0](/s/VFKLUFDHWIFWSX-UHFFFAOYSA-N.svg)
![4-Fluoro-N-[3-(1,2,3,6-tetrahydro-1-methyl-4-pyridinyl)-1H-indol-5-yl]benzamide chemical structure, C21H20FN3O, CAS 182564-42-7](/s/RQIUQAKTLSZKJG-UHFFFAOYSA-N.svg)
![1-(2-Fluorophenyl)-N-(4-methylphenyl)-3,4-dihydro-1H-pyrrolo[1,2-a]pyrazine-2-carboxamide chemical structure, C21H20FN3O, CAS 899959-72-9](/s/FAPYISIJHMBQLX-UHFFFAOYSA-N.svg)
![(4E)-4-[(3-Fluoro-4-pyrrolidin-1-ylphenyl)methylidene]-5-methyl-2-phenylpyrazol-3-one chemical structure, C21H20FN3O, CAS 679831-35-7](/s/MTLQXCZVXIWMHD-QGOAFFKASA-N.svg)
![N-([2,4'-Bipyridin]-3-ylmethyl)-3-(3-fluoro-4-methylphenyl)propanamide chemical structure, C21H20FN3O, CAS 2034320-83-5](/s/OQZCSJURPJWHFM-UHFFFAOYSA-N.svg)
![N-Benzyl-1-(4-fluorophenyl)-3,4-dihydropyrrolo[1,2-a]pyrazine-2(1H)-carboxamide chemical structure, C21H20FN3O, CAS 900012-57-9](/s/HXRSNBXVGHYYAP-UHFFFAOYSA-N.svg)
![1-(2-Fluorophenyl)-N-(m-tolyl)-3,4-dihydropyrrolo[1,2-a]pyrazine-2(1H)-carboxamide chemical structure, C21H20FN3O, CAS 899749-79-2](/s/ZKTWVUOOSCPDMT-UHFFFAOYSA-N.svg)
![N-(2-Fluorophenyl)-1-(4-methylphenyl)-3,4-dihydro-1H-pyrrolo[1,2-a]pyrazine-2-carboxamide chemical structure, C21H20FN3O, CAS 899750-78-8](/s/UWFRKLNHOQECQN-UHFFFAOYSA-N.svg)
![1-(4-Fluorophenyl)-N-(m-tolyl)-3,4-dihydropyrrolo[1,2-a]pyrazine-2(1H)-carboxamide chemical structure, C21H20FN3O, CAS 900012-45-5](/s/PQENLYCHNJLQTD-UHFFFAOYSA-N.svg)
![1-(4-Fluorophenyl)-N-(4-methylphenyl)-1H,2H,3H,4H-pyrrolo[1,2-a]pyrazine-2-carboxamide chemical structure, C21H20FN3O, CAS 899749-91-8](/s/BBKSECGSLOERMI-UHFFFAOYSA-N.svg)
![N-(4-Fluorophenyl)-1-(p-tolyl)-3,4-dihydropyrrolo[1,2-a]pyrazine-2(1H)-carboxamide chemical structure, C21H20FN3O, CAS 899750-76-6](/s/AQJRYHXPHCPRFW-UHFFFAOYSA-N.svg)
- 2-(6-Fluoro-1H-indol-1-yl)-N-[1-(1H-indol-3-yl)propan-2-yl]acetamide1144455-46-8C21H20FN3O
- (6-Fluoro-4-(o-tolylamino)quinolin-3-yl)(pyrrolidin-1-yl)methanone1358266-93-9C21H20FN3O
- (6-Fluoro-4-(p-tolylamino)quinolin-3-yl)(pyrrolidin-1-yl)methanone1358983-24-0C21H20FN3O
- N-[2-(6-Fluoro-1H-indol-1-yl)ethyl]-2-(1-methyl-1H-indol-3-yl)acetamide1630905-10-0C21H20FN3O
- 1-(2-Fluorobenzoyl)-4-[4-(1H-pyrrol-1-yl)phenyl]piperazine1779130-04-9C21H20FN3O
- N-({[2,3'-Bipyridine]-4-yl}methyl)-3-(3-fluoro-4-methylphenyl)propanamide1903677-61-1C21H20FN3O
- N-({[2,3'-Bipyridine]-3-yl}methyl)-3-(4-fluoro-3-methylphenyl)propanamide1903705-27-0C21H20FN3O
- 2-(2-Fluorophenyl)-N-(2-(5,6,7,8-tetrahydroimidazo[1,2-a]pyridin-2-yl)phenyl)acetamide2034610-86-9C21H20FN3O
- N-({[2,4'-Bipyridine]-4-yl}methyl)-3-(4-fluoro-3-methylphenyl)propanamide2034578-84-0C21H20FN3O
- 2-(4-Fluorophenyl)-1-(4-(1-methyl-1H-pyrazol-4-yl)-3,4-dihydroisoquinolin-2(1H)-yl)ethanone2034366-69-1C21H20FN3O
- (3-Fluoro-4-methylphenyl)(4-(1-methyl-1H-pyrazol-4-yl)-3,4-dihydroisoquinolin-2(1H)-yl)methanone2210139-83-4C21H20FN3O
- (3-Fluorophenyl)[4-(4-methylquinolin-2-yl)piperazin-1-yl]methanone929855-58-3C21H20FN3O
- 1-(4-Fluorophenyl)-N-methyl-3-(1,2,3,6-tetrahydro-4-pyridyl)-1H-indole-5-carboxamide330944-15-5C21H20FN3O
- (3-(4-Fluorophenyl)azepan-1-yl)(quinoxalin-6-yl)methanone1797027-00-9C21H20FN3O
- 1H-Pyrazolo[4,3-c]pyridine,5-acetyl-3-(4-fluorophenyl)-4,5,6,7-tetrahydro-1-(phenylmethyl)-87628-94-2C21H20FN3O
- 2-(2-Fluorophenyl)-1-[4-(1,8-naphthyridin-2-yl)piperidin-1-yl]ethan-1-one2640960-98-9C21H20FN3O
- [1-(4-Fluorophenyl)cyclopropyl]-[3-(2-methylbenzimidazol-1-yl)azetidin-1-yl]methanone2380191-50-2C21H20FN3O
- 2-(4-Fluorophenyl)-1-[4-(1,8-naphthyridin-2-yl)piperidin-1-yl]ethan-1-one2640968-52-9C21H20FN3O
- 1H-Pyrazolo[4,3-c]pyridine,5-benzoyl-1-ethyl-3-(4-fluorophenyl)-4,5,6,7-tetrahydro-87628-84-0C21H20FN3O
- 2H-Pyrazolo[4,3-c]pyridine,5-benzoyl-2-ethyl-3-(4-fluorophenyl)-4,5,6,7-tetrahydro-87628-85-1C21H20FN3O
Frequently asked questions
What is the molar mass of C21H20FN3O?
The molar mass of C21H20FN3O is 349.41 g/mol, calculated from standard atomic weights for 21 carbon atoms, 20 hydrogen atoms, 1 fluorine atom, 3 nitrogen atoms and 1 oxygen atom. The monoisotopic mass is 349.1590 Da.
How many compounds have the formula C21H20FN3O?
CompoundList lists 44 compounds with the molecular formula C21H20FN3O, including 1-(2-Fluorophenyl)-4-[1-(2-methylprop-2-en-1-yl)-1H-1,3-benzodiazol-2-yl]pyrrolidin-2-one, 2-Ethyl-N-(4-fluorophenyl)-3,4-dihydro-1H-benzo[b][1,6]naphthyridine-10-carboxamide, 1-[3-(4-Fluorophenyl)-1-phenyl-1H-pyrazole-4-carbonyl]piperidine. 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 C21H20FN3O?
C21H20FN3O has a degree of unsaturation of 13. 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.