Molecular formula
C21H20FNO4
70 compounds have this formula on CompoundList.
- Molar mass
- 369.39g/mol
- Monoisotopic mass
- 369.1376Da
- Atoms
- 47
- Elements
- 5
- Rings plus double bonds
- 12
The formula C21H20FNO4 describes a molecule made of 21 carbon atoms, 20 hydrogen atoms, 1 fluorine atom, 1 nitrogen atom 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 × 2168.28%12.011 × 21 = 252.231 g/mol
- H Hydrogen × 205.46%1.008 × 20 = 20.160 g/mol
- F Fluorine × 15.14%18.998 × 1 = 18.998 g/mol
- N Nitrogen × 13.79%14.007 × 1 = 14.007 g/mol
- O Oxygen × 417.32%15.999 × 4 = 63.996 g/mol
Look up another formula
Compounds with the formula C21H20FNO4
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 70 of 70 compounds
rac-(1r,3r)-3-(((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)methyl)-3-fluorocyclobutane-1-carboxylic acid
CAS 2287321-48-4C21H20FNO4
![1-{[(9H-Fluoren-9-yl)methoxy]carbonyl}-4-fluoropiperidine-4-carboxylic acid chemical structure, C21H20FNO4, CAS 1935998-33-6](/s/RHADDDYKEYHRJC-UHFFFAOYSA-N.svg)
1-{[(9H-Fluoren-9-yl)methoxy]carbonyl}-4-fluoropiperidine-4-carboxylic acid
CAS 1935998-33-6C21H20FNO4
![1'-(2-(2-Fluorophenoxy)acetyl)spiro[chroman-2,4'-piperidin]-4-one chemical structure, C21H20FNO4, CAS 877811-22-8](/s/HYRWDAPVFNSODG-UHFFFAOYSA-N.svg)
1'-(2-(2-Fluorophenoxy)acetyl)spiro[chroman-2,4'-piperidin]-4-one
CAS 877811-22-8C21H20FNO4
![1'-(2-(4-Fluorophenoxy)acetyl)spiro[chroman-2,4'-piperidin]-4-one chemical structure, C21H20FNO4, CAS 887467-39-2](/s/HDBBGHZHFGJAKM-UHFFFAOYSA-N.svg)
1'-(2-(4-Fluorophenoxy)acetyl)spiro[chroman-2,4'-piperidin]-4-one
CAS 887467-39-2C21H20FNO4
rac-(2R,5S)-1-(((9H-Fluoren-9-yl)methoxy)carbonyl)-5-fluoropiperidine-2-carboxylic acid
CAS 2361608-65-1C21H20FNO4
![3-(1-{[(9H-Fluoren-9-yl)methoxy]carbonyl}azetidin-3-yl)-2-fluoropropanoic acid chemical structure, C21H20FNO4, CAS 2377031-39-3](/s/FRRXKVJTXFUECY-UHFFFAOYSA-N.svg)
3-(1-{[(9H-Fluoren-9-yl)methoxy]carbonyl}azetidin-3-yl)-2-fluoropropanoic acid
CAS 2377031-39-3C21H20FNO4
![(2S,4S)-1-{[(9H-Fluoren-9-yl)methoxy]carbonyl}-4-fluoro-2-methylpyrrolidine-2-carboxylic acid chemical structure, C21H20FNO4, CAS 2137062-42-9](/s/OMBCXFRVVPAWBM-ZSEKCTLFSA-N.svg)
(2S,4S)-1-{[(9H-Fluoren-9-yl)methoxy]carbonyl}-4-fluoro-2-methylpyrrolidine-2-carboxylic acid
CAS 2137062-42-9C21H20FNO4
![2-[(2R,4S)-1-{[(9H-Fluoren-9-yl)methoxy]carbonyl}-4-fluoropyrrolidin-2-yl]acetic acid chemical structure, C21H20FNO4, CAS 2219353-62-3](/s/AEARWYJCPQCILX-KBPBESRZSA-N.svg)
2-[(2R,4S)-1-{[(9H-Fluoren-9-yl)methoxy]carbonyl}-4-fluoropyrrolidin-2-yl]acetic acid
CAS 2219353-62-3C21H20FNO4
![2-[(2R,4R)-1-{[(9H-Fluoren-9-yl)methoxy]carbonyl}-4-fluoropyrrolidin-2-yl]acetic acid chemical structure, C21H20FNO4, CAS 2227791-15-1](/s/AEARWYJCPQCILX-KGLIPLIRSA-N.svg)
2-[(2R,4R)-1-{[(9H-Fluoren-9-yl)methoxy]carbonyl}-4-fluoropyrrolidin-2-yl]acetic acid
CAS 2227791-15-1C21H20FNO4
![N-[2-(2-Fluorophenyl)ethyl]-3-(7-hydroxy-4-methyl-2-oxo-2H-chromen-3-yl)propanamide chemical structure, C21H20FNO4, CAS 853898-72-3](/s/FGQDORTUSNOYIG-UHFFFAOYSA-N.svg)
N-[2-(2-Fluorophenyl)ethyl]-3-(7-hydroxy-4-methyl-2-oxo-2H-chromen-3-yl)propanamide
CAS 853898-72-3C21H20FNO4
4-Benzoyl-5-(2-fluorophenyl)-3-hydroxy-1-(3-methoxypropyl)-2,5-dihydro-1H-pyrrol-2-one
CAS 352327-33-4C21H20FNO4
![(4E)-5-(4-Fluorophenyl)-4-[hydroxy(phenyl)methylidene]-1-(3-methoxypropyl)pyrrolidine-2,3-dione chemical structure, C21H20FNO4, CAS 440091-93-0](/s/FIPIXTATXJICBD-HTXNQAPBSA-N.svg)
(4E)-5-(4-Fluorophenyl)-4-[hydroxy(phenyl)methylidene]-1-(3-methoxypropyl)pyrrolidine-2,3-dione
CAS 440091-93-0C21H20FNO4
![3-(4-Fluorophenyl)-9-(2-methoxyethyl)-2-methyl-9,10-dihydrochromeno[8,7-e][1,3]oxazin-4(8H)-one chemical structure, C21H20FNO4, CAS 1010932-79-2](/s/MMITZALHCUUQTC-UHFFFAOYSA-N.svg)
3-(4-Fluorophenyl)-9-(2-methoxyethyl)-2-methyl-9,10-dihydrochromeno[8,7-e][1,3]oxazin-4(8H)-one
CAS 1010932-79-2C21H20FNO4
Orb1980185
CAS 2417298-29-2C21H20FNO4
5-(4-Fluorophenyl)-3-hydroxy-1-(2-methoxyethyl)-4-(4-methylbenzoyl)-1,5-dihydro-2H-pyrrol-2-one
CAS 433311-98-9C21H20FNO4
5-(2-Fluorophenyl)-3-hydroxy-1-(2-methoxyethyl)-4-(4-methylbenzoyl)-2,5-dihydro-1H-pyrrol-2-one
CAS 497246-14-7C21H20FNO4
(Z)-2-(2-Fluorobenzylidene)-6-hydroxy-4-methyl-7-(morpholinomethyl)benzofuran-3(2H)-one
CAS 903584-64-5C21H20FNO4
(Z)-2-(3-Fluorobenzylidene)-6-hydroxy-4-methyl-7-(morpholinomethyl)benzofuran-3(2H)-one
CAS 903853-43-0C21H20FNO4
(Z)-2-(4-Fluorobenzylidene)-6-hydroxy-4-methyl-7-(morpholinomethyl)benzofuran-3(2H)-one
CAS 903185-58-0C21H20FNO4
N~1~-(2-fluorophenethyl)-2-(7-hydroxy-4,8-dimethyl-2-oxo-2H-chromen-3-yl)acetamide
CAS 853896-79-4C21H20FNO4
(E)-2-(3-(2-Fluorophenyl)acryloyl)-4-methylphenyl morpholine-4-carboxylate
CAS 637746-80-6C21H20FNO4
![3-(4-Fluorophenyl)-9-(3-methoxypropyl)-9,10-dihydrochromeno[8,7-e][1,3]oxazin-4(8H)-one chemical structure, C21H20FNO4, CAS 1010905-73-3](/s/SUPOFWCUFPFYCC-UHFFFAOYSA-N.svg)
3-(4-Fluorophenyl)-9-(3-methoxypropyl)-9,10-dihydrochromeno[8,7-e][1,3]oxazin-4(8H)-one
CAS 1010905-73-3C21H20FNO4
4-(3-Ethoxy-4-propoxybenzylidene)-2-(2-fluorophenyl)-1,3-oxazol-5(4H)-one
CAS 353471-73-5C21H20FNO4
![N-[2-(2-Fluorophenyl)ethyl]-2-(5-hydroxy-4,7-dimethyl-2-oxochromen-3-yl)acetamide chemical structure, C21H20FNO4, CAS 853897-26-4](/s/SFLKANWUDDWYHB-UHFFFAOYSA-N.svg)
N-[2-(2-Fluorophenyl)ethyl]-2-(5-hydroxy-4,7-dimethyl-2-oxochromen-3-yl)acetamide
CAS 853897-26-4C21H20FNO4
- 2-(4-Fluorophenyl)-2-oxoethyl 1-(2,3-dimethylphenyl)-5-oxo-3-pyrrolidinecarboxylate894615-19-1C21H20FNO4
- 4-Methoxybenzyl 4-(2-fluorophenyl)-2-methyl-6-oxo-1,4,5,6-tetrahydropyridine-3-carboxylate847508-82-1C21H20FNO4
- 2-[3-(9H-Fluoren-9-ylmethoxycarbonylamino)cyclobutyl]-2-fluoroacetic acid2445782-57-8C21H20FNO4
- N-[2-(2-Fluorophenyl)ethyl]-2-(7-methoxy-4-methyl-2-oxochromen-3-yl)acetamide853896-77-2C21H20FNO4
- 2-Phenoxyethyl 4-(2-fluorophenyl)-2-methyl-6-oxo-1,4,5,6-tetrahydropyridine-3-carboxylate847508-62-7C21H20FNO4
- 3-(2-Fluorophenyl)-9-(2-methoxyethyl)-2-methyl-9,10-dihydro-4H,8H-chromeno[8,7-e][1,3]oxazin-4-one1010900-93-2C21H20FNO4
- Methyl 2-((3-fluoro-3'-methoxy-[1,1'-biphenyl]-4-yl)carbamoyl)cyclopent-1-ene-1-carboxylate719301-50-5C21H20FNO4
- 2-(1-{[(9H-Fluoren-9-yl)methoxy]carbonyl}pyrrolidin-3-yl)-2-fluoroacetic acid2138033-43-7C21H20FNO4
- Methyl (1R,2R)-2-(3'-fluoro-4'-formamido[1,1'-biphenyl]-4-carbonyl)cyclopentane-1-carboxylate791594-16-6C21H20FNO4
- 1-(9H-Fluoren-9-ylmethyl) 2-methyl (2S)-4-fluoro-1,2-pyrrolidinedicarboxylate191793-73-4C21H20FNO4
- 1-(9H-Fluoren-9-ylmethoxycarbonyl)-3-(fluoromethyl)pyrrolidine-3-carboxylic acid2384509-24-2C21H20FNO4
- 4-[(4-Butoxy-3-methoxyphenyl)methylene]-2-(4-fluorophenyl)-5(4H)-oxazolone423157-13-5C21H20FNO4
- 2-(4-Fluorophenyl)-2-oxoethyl 1-(2,5-dimethylphenyl)-5-oxo-3-pyrrolidinecarboxylate726139-72-6C21H20FNO4
- Benzyl 6-fluoro-4-oxo-3,4-dihydrospiro[1-benzopyran-2,4'-piperidine]-1'-carboxylate1394031-24-3C21H20FNO4
- 3-((2S,3R)-2-(4-(Allyloxy)phenyl)-1-(4-fluorophenyl)-4-oxoazetidin-3-yl)propanoic acid1202579-23-4C21H20FNO4
- 2-{[(Benzyloxy)carbonyl]amino}-2-[3-(2-fluorophenyl)bicyclo[1.1.1]pentan-1-yl]acetic acid2287259-84-9C21H20FNO4
- 2-{[(Benzyloxy)carbonyl]amino}-2-[3-(3-fluorophenyl)bicyclo[1.1.1]pentan-1-yl]acetic acid2287261-44-1C21H20FNO4
- 2-{[(Benzyloxy)carbonyl]amino}-2-[3-(4-fluorophenyl)bicyclo[1.1.1]pentan-1-yl]acetic acid2287261-18-9C21H20FNO4
- N-[[3-(2-Fluorophenyl)-4-oxo-4H-1-benzopyran-2-yl]methyl]carbamic acid 1,1-dimethylethyl ester1300581-89-8C21H20FNO4
- 2-Methoxyethyl 4-ethoxy-2-(4-fluorophenyl)quinoline-6-carboxylate2549035-05-2C21H20FNO4
- 1-{[(9H-Fluoren-9-yl)methoxy]carbonyl}-4-fluoro-2-methylpyrrolidine-2-carboxylic acid2137580-78-8C21H20FNO4
- Methyl 1-allyl-5-fluoro-2-(4-methoxybenzyl)-3-oxoisoindoline-1-carboxylate2918815-40-2C21H20FNO4
- (2S,4R)-1-(((9H-Fluoren-9-yl)methoxy)carbonyl)-4-fluoropiperidine-2-carboxylic acid2453296-56-3C21H20FNO4
- Methyl (S)-1-allyl-5-fluoro-2-(4-methoxybenzyl)-3-oxoisoindoline-1-carboxylate2918815-41-3C21H20FNO4
- 5-(3-Fluorophenyl)-4-[hydroxy-(4-methylphenyl)methylidene]-1-(2-hydroxypropyl)pyrrolidine-2,3-dione440108-82-7C21H20FNO4
- 3-[(5S)-5-(4-Fluorophenyl)-5-hydroxypentanoyl]-3,3a,8,8a-tetrahydro-2H-indeno[1,2-d][1,3]oxazol-2-one1259854-85-7C21H20FNO4
- 2-(1-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-fluorocyclobutyl)acetic acid2386763-40-0C21H20FNO4
- 1-(9H-Fluoren-9-ylmethoxycarbonylamino)-3-fluoro-3-methyl-cyclobutanecarboxylic acid2920427-25-2C21H20FNO4
- 2-(1-{[(9H-Fluoren-9-yl)methoxy]carbonyl}-3-fluoropyrrolidin-2-yl)acetic acid2138176-05-1C21H20FNO4
- 3-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-1-fluorocyclopentane-1-carboxylic acid2172597-84-9C21H20FNO4
- rac-(3R,4S)-1-{[(9H-fluoren-9-yl)methoxy]carbonyl}-4-fluoropiperidine-3-carboxylic acid2219379-54-9C21H20FNO4
- 1-{[(9H-Fluoren-9-yl)methoxy]carbonyl}-5-fluoropiperidine-2-carboxylic acid2503202-22-8C21H20FNO4
- 1-{[(9H-Fluoren-9-yl)methoxy]carbonyl}-3-fluoropiperidine-3-carboxylic acid2384668-22-6C21H20FNO4
- 1-{[(9H-Fluoren-9-yl)methoxy]carbonyl}-4-fluoropiperidine-2-carboxylic acid2580180-71-6C21H20FNO4
- 1-{[(9H-Fluoren-9-yl)methoxy]carbonyl}-3-fluoropiperidine-4-carboxylic acid2639404-11-6C21H20FNO4
- rac-(3R,4S)-1-{[(9H-fluoren-9-yl)methoxy]carbonyl}-3-fluoropiperidine-4-carboxylic acid2639391-78-7C21H20FNO4
- 2-[(2S,4S)-1-{[(9H-Fluoren-9-yl)methoxy]carbonyl}-4-fluoropyrrolidin-2-yl]acetic acid2763890-26-0C21H20FNO4
- (2R,4S)-1-(((9H-Fluoren-9-yl)methoxy)carbonyl)-4-fluoropiperidine-2-carboxylic acid2639623-15-5C21H20FNO4
- (2R,3R)-1-(9H-Fluoren-9-ylmethoxycarbonyl)-3-fluoropiperidine-2-carboxylic acid3022922-69-3C21H20FNO4
- (2S,4S)-1-(((9H-Fluoren-9-yl)methoxy)carbonyl)-4-fluoropiperidine-2-carboxylic acid2453296-81-4C21H20FNO4
- (2S)-2-(Benzyloxycarbonylamino)-2-(6'-fluorospiro[cyclopropane-1,2'-indane]-1'-yl)acetic acid2607136-81-0C21H20FNO4
- (2R,4S)-1-(((9H-Fluoren-9-yl)methoxy)carbonyl)-4-fluoro-2-methylpyrrolidine-2-carboxylic acid3026596-24-4C21H20FNO4
- (2S,3S)-1-{[(9H-Fluoren-9-yl)methoxy]carbonyl}-3-fluoropiperidine-2-carboxylic acid3022921-85-0C21H20FNO4
- (S)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)(methyl)amino)-4-fluoropent-4-enoic acid3038097-18-3C21H20FNO4
- rac-(3R,4R)-1-{[(9H-fluoren-9-yl)methoxy]carbonyl}-3-fluoro-4-methylpyrrolidine-3-carboxylic acid2138266-43-8C21H20FNO4
- 5-(4-Fluorophenyl)-4-[hydroxy(phenyl)methylidene]-1-(3-methoxypropyl)pyrrolidine-2,3-dioneC21H20FNO4
Frequently asked questions
What is the molar mass of C21H20FNO4?
The molar mass of C21H20FNO4 is 369.39 g/mol, calculated from standard atomic weights for 21 carbon atoms, 20 hydrogen atoms, 1 fluorine atom, 1 nitrogen atom and 4 oxygen atoms. The monoisotopic mass is 369.1376 Da.
How many compounds have the formula C21H20FNO4?
CompoundList lists 70 compounds with the molecular formula C21H20FNO4, including rac-(1r,3r)-3-(((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)methyl)-3-fluorocyclobutane-1-carboxylic acid, 1-{[(9H-Fluoren-9-yl)methoxy]carbonyl}-4-fluoropiperidine-4-carboxylic acid, 1'-(2-(2-Fluorophenoxy)acetyl)spiro[chroman-2,4'-piperidin]-4-one. 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 C21H20FNO4?
C21H20FNO4 has a degree of unsaturation of 12. 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.