Molecular formula
C19H21FN2O2
85 compounds have this formula on CompoundList.
- Molar mass
- 328.39g/mol
- Monoisotopic mass
- 328.1587Da
- Atoms
- 45
- Elements
- 5
- Rings plus double bonds
- 10
The formula C19H21FN2O2 describes a molecule made of 19 carbon atoms, 21 hydrogen atoms, 1 fluorine atom, 2 nitrogen atoms and 2 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 × 1969.49%12.011 × 19 = 228.209 g/mol
- H Hydrogen × 216.45%1.008 × 21 = 21.168 g/mol
- F Fluorine × 15.79%18.998 × 1 = 18.998 g/mol
- N Nitrogen × 28.53%14.007 × 2 = 28.014 g/mol
- O Oxygen × 29.74%15.999 × 2 = 31.998 g/mol
Look up another formula
Compounds with the formula C19H21FN2O2
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 85 of 85 compounds
Eplivanserin
CAS 130579-75-8C19H21FN2O2
![1-(4-Fluorophenyl)-4-[(4-methoxyphenyl)acetyl]piperazine chemical structure, C19H21FN2O2, CAS 349093-71-6](/s/UGWVZEVQSSOVSU-UHFFFAOYSA-N.svg)
1-(4-Fluorophenyl)-4-[(4-methoxyphenyl)acetyl]piperazine
CAS 349093-71-6C19H21FN2O2
![1-(4-Fluorophenyl)-4-[(2-methoxyphenyl)acetyl]piperazine chemical structure, C19H21FN2O2, CAS 328284-41-9](/s/BEYBRCDRYWDNKT-UHFFFAOYSA-N.svg)
1-(4-Fluorophenyl)-4-[(2-methoxyphenyl)acetyl]piperazine
CAS 328284-41-9C19H21FN2O2
![4-(Butanoylamino)-N-[2-(4-fluorophenyl)ethyl]benzamide chemical structure, C19H21FN2O2, CAS 701221-65-0](/s/OLMZSQVZLWANAO-UHFFFAOYSA-N.svg)
4-(Butanoylamino)-N-[2-(4-fluorophenyl)ethyl]benzamide
CAS 701221-65-0C19H21FN2O2
![N-[(2S)-1-(4-Fluoroanilino)-3-methyl-1-oxobutan-2-yl]-4-methylbenzamide chemical structure, C19H21FN2O2, CAS 956202-73-6](/s/PCDCMGZNBDBOKE-KRWDZBQOSA-N.svg)
N-[(2S)-1-(4-Fluoroanilino)-3-methyl-1-oxobutan-2-yl]-4-methylbenzamide
CAS 956202-73-6C19H21FN2O2
1-(1,3-Benzodioxol-5-ylmethyl)-4-(4-fluorobenzyl)piperazine
CAS 414884-08-5C19H21FN2O2
![1-(4-Fluorophenyl)-2-[4-(4-methoxyphenyl)piperazin-1-yl]ethanone chemical structure, C19H21FN2O2, CAS 483351-61-7](/s/XKDGUUFJDBKFTQ-UHFFFAOYSA-N.svg)
1-(4-Fluorophenyl)-2-[4-(4-methoxyphenyl)piperazin-1-yl]ethanone
CAS 483351-61-7C19H21FN2O2
![(2-Ethoxyphenyl)-[4-(2-fluorophenyl)piperazin-1-yl]methanone chemical structure, C19H21FN2O2, CAS 432540-53-9](/s/JSEXVIMYBQLGDP-UHFFFAOYSA-N.svg)
(2-Ethoxyphenyl)-[4-(2-fluorophenyl)piperazin-1-yl]methanone
CAS 432540-53-9C19H21FN2O2
![(3-Fluorophenyl)[4-(4-methoxybenzyl)piperazin-1-yl]methanone chemical structure, C19H21FN2O2, CAS 355813-56-8](/s/CCHDVADNBVJEJN-UHFFFAOYSA-N.svg)
(3-Fluorophenyl)[4-(4-methoxybenzyl)piperazin-1-yl]methanone
CAS 355813-56-8C19H21FN2O2
![(2-Fluorophenyl)-[4-[(4-methoxyphenyl)methyl]piperazin-1-yl]methanone chemical structure, C19H21FN2O2, CAS 354535-52-7](/s/VFGMWLZEKCNTLP-UHFFFAOYSA-N.svg)
(2-Fluorophenyl)-[4-[(4-methoxyphenyl)methyl]piperazin-1-yl]methanone
CAS 354535-52-7C19H21FN2O2
1-(4-Fluorophenyl)-2-(4-(2-methoxyphenyl)-1-piperazinyl)ethanone
CAS 17135-52-3C19H21FN2O2
1-(1,3-Benzodioxol-5-ylmethyl)-4-(2-fluorobenzyl)piperazine
CAS 414888-60-1C19H21FN2O2
![(3-Fluorophenyl)-[4-[(2-methoxyphenyl)methyl]piperazin-1-yl]methanone chemical structure, C19H21FN2O2, CAS 355813-46-6](/s/QXUDSVVJSOGRTK-UHFFFAOYSA-N.svg)
(3-Fluorophenyl)-[4-[(2-methoxyphenyl)methyl]piperazin-1-yl]methanone
CAS 355813-46-6C19H21FN2O2
methanone chemical structure, C19H21FN2O2, CAS 355813-28-4](/s/QNHIRARMFCOEIG-UHFFFAOYSA-N.svg)
[4-(2-Fluorobenzyl)piperazin-1-yl](3-methoxyphenyl)methanone
CAS 355813-28-4C19H21FN2O2
![(4-Fluorophenyl)-[4-[(2-methoxyphenyl)methyl]piperazin-1-yl]methanone chemical structure, C19H21FN2O2, CAS 354535-75-4](/s/OBRGWQPGOUVPJH-UHFFFAOYSA-N.svg)
(4-Fluorophenyl)-[4-[(2-methoxyphenyl)methyl]piperazin-1-yl]methanone
CAS 354535-75-4C19H21FN2O2
![(2-Fluorophenyl)-[4-[(3-methoxyphenyl)methyl]piperazin-1-yl]methanone chemical structure, C19H21FN2O2, CAS 355814-22-1](/s/OISAWXYVRVJIGI-UHFFFAOYSA-N.svg)
(2-Fluorophenyl)-[4-[(3-methoxyphenyl)methyl]piperazin-1-yl]methanone
CAS 355814-22-1C19H21FN2O2
Mao-B-IN-5
CAS 849909-77-9C19H21FN2O2
![1-(2-Ethoxyphenyl)-3-{[1-(4-fluorophenyl)cyclopropyl]methyl}urea chemical structure, C19H21FN2O2, CAS 1207011-40-2](/s/SHQSDVKXQUNOPT-UHFFFAOYSA-N.svg)
1-(2-Ethoxyphenyl)-3-{[1-(4-fluorophenyl)cyclopropyl]methyl}urea
CAS 1207011-40-2C19H21FN2O2
1-((1-(4-Fluorophenyl)cyclopropyl)methyl)-3-(4-methoxybenzyl)urea
CAS 1207001-82-8C19H21FN2O2
![[4-[(4-Fluorophenyl)methyl]piperazin-1-yl]-(2-methoxyphenyl)methanone chemical structure, C19H21FN2O2, CAS 510718-70-4](/s/ZXNFPIWEJMJACD-UHFFFAOYSA-N.svg)
[4-[(4-Fluorophenyl)methyl]piperazin-1-yl]-(2-methoxyphenyl)methanone
CAS 510718-70-4C19H21FN2O2
2-(Benzyloxy)-1-(4-(4-fluorophenyl)piperazin-1-yl)ethanone
CAS 945421-88-5C19H21FN2O2
![[4-(4-Fluoro-phenyl)-piperazin-1-yl]-p-tolyl-acetic acid chemical structure, C19H21FN2O2, CAS 885276-67-5](/s/JNMUZTHIWSGQOO-UHFFFAOYSA-N.svg)
[4-(4-Fluoro-phenyl)-piperazin-1-yl]-p-tolyl-acetic acid
CAS 885276-67-5C19H21FN2O2
![(3-Fluorophenyl)-[4-[(3-methoxyphenyl)methyl]piperazin-1-yl]methanone chemical structure, C19H21FN2O2, CAS 355813-73-9](/s/VBWUQPYMXJYOPW-UHFFFAOYSA-N.svg)
(3-Fluorophenyl)-[4-[(3-methoxyphenyl)methyl]piperazin-1-yl]methanone
CAS 355813-73-9C19H21FN2O2
![1-[4-(4-Fluorophenyl)piperazin-1-yl]-2-phenoxypropan-1-one chemical structure, C19H21FN2O2, CAS 349087-96-3](/s/DJRDTXMJCCWIFE-UHFFFAOYSA-N.svg)
1-[4-(4-Fluorophenyl)piperazin-1-yl]-2-phenoxypropan-1-one
CAS 349087-96-3C19H21FN2O2
- 3-((4-(2-Fluorophenyl)piperazin-1-yl)methyl)-4-methoxybenzaldehyde933916-93-9C19H21FN2O2
- [4-[(3-Fluorophenyl)methyl]piperazin-1-yl]-(4-methoxyphenyl)methanone5992-37-0C19H21FN2O2
- Methyl 2-(4-Benzylpiperazino)-5-fluorobenzoate1256633-30-3C19H21FN2O2
- [4-[(3-Fluorophenyl)methyl]piperazin-1-yl]-(3-methoxyphenyl)methanone461398-00-5C19H21FN2O2
- 1-Benzyl-4-[(4-fluorophenoxy)acetyl]piperazine617694-00-5C19H21FN2O2
- (4-Fluorophenyl)-[4-[(4-methoxyphenyl)methyl]piperazin-1-yl]methanone354535-58-3C19H21FN2O2
- N-[2-(4-Fluorophenyl)ethyl]-3-(2-methylpropanoylamino)benzamide599190-90-6C19H21FN2O2
- Methyl 4-(4-benzylpiperazin-1-yl)-3-fluorobenzoate1346597-56-5C19H21FN2O2
- (4-Fluorophenyl)-[4-[(3-methoxyphenyl)methyl]piperazin-1-yl]methanone355813-44-4C19H21FN2O2
- N-(2-(Cyclohex-1-en-1-yl)ethyl)-2-(5-(4-fluorophenyl)isoxazol-3-yl)acetamide952977-75-2C19H21FN2O2
- N-[3-Fluoro-4-(piperidin-1-yl)phenyl]-3-methoxybenzamide899125-82-7C19H21FN2O2
- N-[3-Fluoro-4-(1-piperidinyl)phenyl]-4-methoxybenzamide899125-90-7C19H21FN2O2
- 1-(2-Cyclopropyl-2-hydroxy-2-phenylethyl)-3-(4-fluorobenzyl)urea1421469-40-0C19H21FN2O2
- 1-((1-(4-Fluorophenyl)cyclopropyl)methyl)-3-(2-phenoxyethyl)urea1396781-95-5C19H21FN2O2
- 5-(4-Fluorophenyl)-2-(octahydro-2H-benzimidazol-2-ylidene)cyclohexane-1,3-dione925195-60-4C19H21FN2O2
- 1-[4-(4-Fluorobenzyl)piperazin-1-yl]-2-phenoxyethanone425390-13-2C19H21FN2O2
- N'-(4-Butoxybenzylidene)-2-(4-fluorophenyl)acetohydrazide362494-56-2C19H21FN2O2
- N-[3-Fluoro-4-(1-piperidinyl)phenyl]-2-methoxybenzamide899125-75-8C19H21FN2O2
- 2-(4-Fluorophenyl)-1-(4-((6-methylpyridin-2-yl)oxy)piperidin-1-yl)ethanone1797593-68-0C19H21FN2O2
- [4-(2-Fluorophenyl)piperazin-1-yl]-(2-methoxy-3-methylphenyl)methanone839687-07-9C19H21FN2O2
- 4-Piperidinecarboxylic acid, 4-[(4-fluorophenyl)amino]-1-(phenylmethyl)-61085-51-6C19H21FN2O2
- 3-Fluoro-N-[2-(2-phenylmorpholin-4-yl)ethyl]benzamide953935-74-5C19H21FN2O2
- [4-(2-Fluorophenyl)piperazin-1-yl](4-methoxy-3-methylphenyl)methanone932124-33-9C19H21FN2O2
- [4-(4-Fluorophenyl)piperazin-1-yl](4-methoxy-3-methylphenyl)methanone931901-29-0C19H21FN2O2
- N-[3-Fluoro-4-(1-piperidinyl)phenyl]-2-phenoxyacetamide899122-16-8C19H21FN2O2
- 1-(2-(5-Amino-2-(4-fluoro-phenoxy)-phenyl)-piperidin-1-yl)-ethanone859537-23-8C19H21FN2O2
- Benzyl (3-fluoro-4-(piperidin-1-yl)phenyl)carbamate172967-05-4C19H21FN2O2
- 3-{[4-(4-Fluorophenyl)piperazin-1-yl]methyl}-4-methoxybenzaldehyde933829-43-7C19H21FN2O2
- N,N-Dimethyl-4-(((5-fluoro-2-hydroxyphenyl)phenylmethylene)amino)butanamide62666-27-7C19H21FN2O2
- Methyl 2-(4-fluorophenyl)-2-(4-phenylpiperazin-1-yl)acetate889963-21-7C19H21FN2O2
- 2-Fluoro-N-methyl-N-{[2-(morpholin-4-yl)phenyl]methyl}benzamide1017184-37-0C19H21FN2O2
- 1-(4-Fluorobenzyl)-3-((2-hydroxy-1,2,3,4-tetrahydronaphthalen-2-yl)methyl)urea1421509-84-3C19H21FN2O2
- N-[(4,6-Dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl]-1-(4-fluorophenyl)cyclobutane-1-carboxamide1375184-44-3C19H21FN2O2
- 3-(3-(4-Fluorophenyl)azepane-1-carbonyl)-1-methylpyridin-2(1H)-one1797268-17-7C19H21FN2O2
- [4-Benzyl-1-(2-fluoropyridine-4-carbonyl)piperidin-4-yl]methanol1808819-65-9C19H21FN2O2
- N-[(4-Fluorophenyl)methyl]-3-(4-methoxyphenyl)pyrrolidine-1-carboxamide1208514-23-1C19H21FN2O2
- 4-Fluoro-N-{4-[(1-methylpiperidin-4-yl)oxy]phenyl}benzamide1269085-19-9C19H21FN2O2
- Citalopram impurity 33865435-44-5C19H21FN2O2
- 2-(4-Fluorophenyl)-N-[4-(3-methoxypyrrolidin-1-yl)phenyl]acetamide1797179-54-4C19H21FN2O2
- 3-Fluoro-N-[4-(3-methoxypiperidin-1-yl)phenyl]benzamide1796970-93-8C19H21FN2O2
- 2-(2-Fluorophenoxy)-N-((1-phenylpyrrolidin-2-yl)methyl)acetamide1796971-17-9C19H21FN2O2
- 2-(4-Fluorophenyl)-2-(4-(o-tolyl)piperazin-1-yl)acetic acid1439903-95-3C19H21FN2O2
- 1-({[(3-Fluoro-4-methoxyphenyl)methyl](methyl)amino}methyl)-4-phenylazetidin-2-one1624994-56-4C19H21FN2O2
- Benzyl 4-amino-4-(4-fluorophenyl)piperidine-1-carboxylate1627972-82-0C19H21FN2O2
- tert-Butyl 4-(6-fluoroquinolin-4-yl)-3,6-dihydropyridine-1(2H)-carboxylate2337357-19-2C19H21FN2O2
- Acetamide, N-[(4-fluorophenyl)methyl]-N-[(2,3,4,5-tetrahydro-1,4-benzoxazepin-7-yl)methyl]-, hydrochloride1160245-38-4C19H21FN2O2
- N-(3-Fluorophenyl)-4-(4-methoxypiperidin-1-yl)benzamide2034353-02-9C19H21FN2O2
- 4-{[1-(2-Fluorobenzoyl)piperidin-4-yl]methoxy}-2-methylpyridine2379972-54-8C19H21FN2O2
- 2-{[1-(2-Fluorobenzoyl)piperidin-3-yl]methoxy}-6-methylpyridine2380058-24-0C19H21FN2O2
- 2-{[1-(4-Fluorobenzoyl)piperidin-3-yl]methoxy}-6-methylpyridine2380035-00-5C19H21FN2O2
- 2-{[1-(3-Fluorobenzoyl)piperidin-3-yl]methoxy}-6-methylpyridine2380058-33-1C19H21FN2O2
- 2-{[1-(4-Fluorobenzoyl)piperidin-4-yl]methoxy}-3-methylpyridine2380070-42-6C19H21FN2O2
- 2-(4-Fluorophenyl)-1-{3-[(pyridin-4-yloxy)methyl]piperidin-1-yl}ethan-1-one2380070-98-2C19H21FN2O2
- N-[(5-Ethoxypyridin-3-yl)methyl]-N-[2-(2-fluorophenyl)ethyl]prop-2-enamide2411241-60-4C19H21FN2O2
- 1-[(4-Fluorophenyl)methyl]-4-[(3-methoxyphenyl)methyl]piperazin-2-one2877638-36-1C19H21FN2O2
- 5-({4-[(4-Fluorophenyl)methyl]piperidin-1-yl}acetyl)pyridin-2(1H)-one917753-64-1C19H21FN2O2
- N-Cyclohexyl-6-fluoro-1-oxo-2-(prop-2-en-1-yl)-1,2-dihydroisoquinoline-3-carboxamide3054637-43-0C19H21FN2O2
- Benzoic acid,2-(2,3-dihydro-1H-indol-7-yl)-3-fluoro-,2-amino-2-methylpropyl ester1026483-19-1C19H21FN2O2
- Methyl 4-amino-1-benzyl-4-(2-fluorophenyl)pyrrolidine-3-carboxylate1904621-43-7C19H21FN2O2
- Methyl 4-amino-1-benzyl-4-(4-fluorophenyl)pyrrolidine-3-carboxylate1904621-44-8C19H21FN2O2
- 4-{2-[4-(4-Fluorophenyl)piperazin-1-yl]ethoxy}benzaldehyde1616110-81-6C19H21FN2O2
Frequently asked questions
What is the molar mass of C19H21FN2O2?
The molar mass of C19H21FN2O2 is 328.39 g/mol, calculated from standard atomic weights for 19 carbon atoms, 21 hydrogen atoms, 1 fluorine atom, 2 nitrogen atoms and 2 oxygen atoms. The monoisotopic mass is 328.1587 Da.
How many compounds have the formula C19H21FN2O2?
CompoundList lists 85 compounds with the molecular formula C19H21FN2O2, including Eplivanserin, 1-(4-Fluorophenyl)-4-[(4-methoxyphenyl)acetyl]piperazine, 1-(4-Fluorophenyl)-4-[(2-methoxyphenyl)acetyl]piperazine. 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 C19H21FN2O2?
C19H21FN2O2 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.