Molecular formula
C18H21FN2O2
65 compounds have this formula on CompoundList.
- Molar mass
- 316.38g/mol
- Monoisotopic mass
- 316.1587Da
- Atoms
- 44
- Elements
- 5
- Rings plus double bonds
- 9
The formula C18H21FN2O2 describes a molecule made of 18 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 × 1868.34%12.011 × 18 = 216.198 g/mol
- H Hydrogen × 216.69%1.008 × 21 = 21.168 g/mol
- F Fluorine × 16.00%18.998 × 1 = 18.998 g/mol
- N Nitrogen × 28.85%14.007 × 2 = 28.014 g/mol
- O Oxygen × 210.11%15.999 × 2 = 31.998 g/mol
Look up another formula
Compounds with the formula C18H21FN2O2
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 65 of 65 compounds
trans-4-((1R)-2-((5S)-6-Fluoro-5H-imidazo(5,1-a)isoindol-5-yl)-1-hydroxyethyl)cyclohexanol
CAS 1402837-78-8C18H21FN2O2
Fluorocarazolol
CAS 157989-11-2C18H21FN2O2
![4-(2-Ethylbutanoyl)-N-[(4-fluorophenyl)methyl]-1H-pyrrole-2-carboxamide chemical structure, C18H21FN2O2, CAS 478259-87-9](/s/RWPVPOPCPXOFLT-UHFFFAOYSA-N.svg)
4-(2-Ethylbutanoyl)-N-[(4-fluorophenyl)methyl]-1H-pyrrole-2-carboxamide
CAS 478259-87-9C18H21FN2O2
![N,N-Diethyl-2-[1-(4-fluorophenyl)-2,5-dimethyl-1H-pyrrol-3-yl]-2-oxoacetamide chemical structure, C18H21FN2O2, CAS 866156-57-2](/s/AUYASTSHOKDASZ-UHFFFAOYSA-N.svg)
N,N-Diethyl-2-[1-(4-fluorophenyl)-2,5-dimethyl-1H-pyrrol-3-yl]-2-oxoacetamide
CAS 866156-57-2C18H21FN2O2
![3-[2-(Cyclohexen-1-yl)ethylamino]-1-(4-fluorophenyl)pyrrolidine-2,5-dione chemical structure, C18H21FN2O2, CAS 495375-22-9](/s/NBIFDGDTFXUGAY-UHFFFAOYSA-N.svg)
3-[2-(Cyclohexen-1-yl)ethylamino]-1-(4-fluorophenyl)pyrrolidine-2,5-dione
CAS 495375-22-9C18H21FN2O2
Ido-IN-5
CAS 1402837-79-9C18H21FN2O2
Ido-IN-8
CAS 1402837-77-7C18H21FN2O2
Ido-IN-6
CAS 1402837-76-6C18H21FN2O2
![5H-Imidazo[5,1-a]isoindole-5-ethanol, 6-fluoro-alpha-(trans-4-hydroxycyclohexyl)- chemical structure, C18H21FN2O2, CAS 1402837-66-4](/s/YGACXVRLDHEXKY-UHFFFAOYSA-N.svg)
5H-Imidazo[5,1-a]isoindole-5-ethanol, 6-fluoro-alpha-(trans-4-hydroxycyclohexyl)-
CAS 1402837-66-4C18H21FN2O2
N-(4-(Dimethylamino)phenethyl)-2-(2-fluorophenoxy)acetamide
CAS 953170-52-0C18H21FN2O2
N-(4-(Dimethylamino)phenethyl)-2-(4-fluorophenoxy)acetamide
CAS 952992-69-7C18H21FN2O2
1-(2-(3,5-Dimethylphenoxy)ethyl)-3-(4-fluorobenzyl)urea
CAS 1171017-10-9C18H21FN2O2
4-Fluoro-N-((1-(furan-2-ylmethyl)piperidin-4-yl)methyl)benzamide
CAS 953996-96-8C18H21FN2O2
1-(1-(3-Fluorophenyl)-2,5-dimethyl-1H-pyrrol-3-yl)-2-morpholinoethanone
CAS 315676-40-5C18H21FN2O2
4-(6-Fluoro-1H-indol-3-yl)-3,6-dihydro-2H-pyridine-1-carboxylic acid tert-butyl ester
CAS 935679-13-3C18H21FN2O2
1-(1-(4-Fluorophenyl)-2,5-dimethyl-1H-pyrrol-3-yl)-2-morpholinoethanone
CAS 307343-62-0C18H21FN2O2
4-(5-Fluoro-1H-indol-3-yl)-3,6-dihydro-2H-pyridine-1-carboxylic acid tert-butyl ester
CAS 935678-62-9C18H21FN2O2
Pss-232 F-18
CAS 1451015-40-9C18H21FN2O2
4-(4-Fluorobenzoyl)-N,N-diisopropyl-1H-pyrrole-2-carboxamide
CAS 478078-75-0C18H21FN2O2
2-Fluoro-N-((1-(furan-2-ylmethyl)piperidin-4-yl)methyl)benzamide
CAS 953915-64-5C18H21FN2O2
![Azepino[4,5-b]indole-5-carboxylic acid, 8-fluoro-1,2,3,6-tetrahydro-1,1-dimethyl-, 1-methylethyl ester chemical structure, C18H21FN2O2, CAS 942148-30-3](/s/LCBILDCOUYKCBK-UHFFFAOYSA-N.svg)
Azepino[4,5-b]indole-5-carboxylic acid, 8-fluoro-1,2,3,6-tetrahydro-1,1-dimethyl-, 1-methylethyl ester
CAS 942148-30-3C18H21FN2O2
Pss-232
CAS 1451015-37-4C18H21FN2O2
![1-[(4-Fluorophenyl)methyl]-N-(furan-2-ylmethyl)piperidine-4-carboxamide chemical structure, C18H21FN2O2, CAS 429633-55-6](/s/NNSJRDLTTHGPQR-UHFFFAOYSA-N.svg)
1-[(4-Fluorophenyl)methyl]-N-(furan-2-ylmethyl)piperidine-4-carboxamide
CAS 429633-55-6C18H21FN2O2
1-(5-tert-Butyl-2-methoxyphenyl)-3-(3-fluorophenyl)urea
CAS 904484-92-0C18H21FN2O2
- 1-(4-Fluorobenzyl)-3-(2-methoxy-2-(o-tolyl)ethyl)urea1797899-41-2C18H21FN2O2
- 3-(Dimethylamino)-N-[2-(3-fluorophenyl)-2-methoxyethyl]benzamide1797183-02-8C18H21FN2O2
- 3-Fluoro-N-((1-(furan-2-ylmethyl)piperidin-4-yl)methyl)benzamide954021-23-9C18H21FN2O2
- Ethyl 1-(6-fluoro-4-methyl-2-quinolinyl)-4-piperidinecarboxylate864425-87-6C18H21FN2O2
- 1-(2-Fluorobenzyl)-N-(furan-2-ylmethyl)piperidine-4-carboxamide429633-53-4C18H21FN2O2
- 1-(2-Fluorophenyl)-3-(2-hydroxy-2-methyl-4-phenylbutyl)urea1286704-87-7C18H21FN2O2
- [4-(4-Fluoro-2-methyl-phenyl)-pyridin-3-yl]-methyl-carbamic acid tert-butyl ester1421862-66-9C18H21FN2O2
- N-(2-(4-(Dimethylamino)phenyl)-2-hydroxyethyl)-2-(4-fluorophenyl)acetamide1421509-93-4C18H21FN2O2
- 1-(2-(2-Fluorophenyl)-2-methoxypropyl)-3-(o-tolyl)urea1797184-51-0C18H21FN2O2
- 4-(3-Fluorophenyl)-2-methyl-1-(4-prop-2-ynylpiperazin-1-yl)butane-1,4-dione1436112-14-9C18H21FN2O2
- Azepino[4,5-b]indole-5-carboxylic acid, 9-fluoro-1,2,3,6-tetrahydro-1,1-dimethyl-, 1-methylethyl ester847865-45-6C18H21FN2O2
- N-[4-Fluoro-3-(prop-2-enamido)phenyl]bicyclo[2.2.2]octane-2-carboxamide2202199-22-0C18H21FN2O2
- 5-Fluoro-2-({1-[(2-methoxyphenyl)methyl]pyrrolidin-3-yl}methoxy)pyridine2549039-36-1C18H21FN2O2
- N-(2-{4'-Fluoro-1',2'-dihydrospiro[cyclopentane-1,3'-indol]-1'-yl}-2-oxoethyl)-N-methylprop-2-enamide2199900-42-8C18H21FN2O2
- N-({4-[2-(Dimethylamino)ethoxy]phenyl}methyl)-4-fluorobenzamide122892-38-0C18H21FN2O2
- N-(5-Amino-2-fluorophenyl)-2-(2-isopropyl-5-methylphenoxy)acetamide1020056-57-8C18H21FN2O2
- N-(5-Amino-2-fluorophenyl)-4-(pentyloxy)benzamide1020057-03-7C18H21FN2O2
- N-(5-Amino-2-fluorophenyl)-2-(isopentyloxy)-benzamide1020057-22-0C18H21FN2O2
- N-(5-Amino-2-fluorophenyl)-2-[4-(tert-butyl)-phenoxy]acetamide1020057-25-3C18H21FN2O2
- N-(5-Amino-2-fluorophenyl)-2-(pentyloxy)benzamide1020057-31-1C18H21FN2O2
- N-(5-Amino-2-fluorophenyl)-4-(isopentyloxy)-benzamide1020057-36-6C18H21FN2O2
- N-(5-Amino-2-fluorophenyl)-3-(isopentyloxy)-benzamide1020053-93-3C18H21FN2O2
- N-(5-Amino-2-fluorophenyl)-2-[2-(tert-butyl)-phenoxy]acetamide1020053-99-9C18H21FN2O2
- N-(5-Amino-2-fluorophenyl)-2-[2-(sec-butyl)-phenoxy]acetamide1020056-22-7C18H21FN2O2
- N-(5-Amino-2-fluorophenyl)-2-(4-isopropylphenoxy)-propanamide1020053-86-4C18H21FN2O2
- 2-Fluoro-3-[4-[(2-methyl-3-pyridinyl)oxy]-1-piperidinyl]benzenemethanol1400757-39-2C18H21FN2O2
- (2-Fluoro-3-(4-(4-methoxyphenyl)piperazin-1-yl)phenyl)methanol1400759-77-4C18H21FN2O2
- N-[Cyano(2-fluorophenyl)methyl]-3-(cyclopent-1-en-1-yl)-3-ethoxypropanamide1444694-87-4C18H21FN2O2
- tert-Butyl 4-(cyano(4-fluorophenyl)methylene)piperidine-1-carboxylate1823822-67-8C18H21FN2O2
- (2S)-2-[3-[(4-Fluorophenyl)methoxy]-4-methoxyphenyl]piperazine1213116-84-7C18H21FN2O2
- 6-Fluoro-3-(piperidine-1-carbonyl)-2-propylisoquinolin-1-one3054585-40-6C18H21FN2O2
- Carbamic acid,(5-amino-4'-fluoro-2-methyl[1,1'-biphenyl]-4-yl)-,1,1-dimethylethyl ester335351-09-2C18H21FN2O2
- 8-(3-Fluoro-2-methylbenzoyl)-1-oxa-8-azaspiro[5.5]undecane-7-carbonitrile2223798-89-6C18H21FN2O2
- 1-(Cyclohexylmethyl)-4-(3-fluoro-4-methylphenyl)-1,2,3,4-tetrahydropyrazine-2,3-dione2640886-42-4C18H21FN2O2
- 1-(Cyclohexylmethyl)-4-(2-fluoro-5-methylphenyl)-1,2,3,4-tetrahydropyrazine-2,3-dione2742063-79-0C18H21FN2O2
- 1-(Cyclohexylmethyl)-4-[(4-fluorophenyl)methyl]-1,2,3,4-tetrahydropyrazine-2,3-dione2741954-07-2C18H21FN2O2
- 4-(1-(Cyclohexylmethyl)-1H-pyrazol-4-yl)-2-fluoro-6-methylbenzoic acid3078572-57-0C18H21FN2O2
- N-Cyclopentyl-6-fluoro-1-oxo-2-propyl-1,2-dihydroisoquinoline-3-carboxamide3054592-17-2C18H21FN2O2
- N-(Cyclohexylmethyl)-6-fluoro-2-methyl-1-oxo-1,2-dihydroisoquinoline-3-carboxamide3054560-64-1C18H21FN2O2
- Methyl 2-{1-[(6-fluoroquinolin-2-yl)methyl]piperidin-4-yl}acetate1228095-63-3C18H21FN2O2
- tert-Butyl 5-(5-fluoro-1H-indol-3-yl)-3,4-dihydro-2H-pyridine-1-carboxylate181184-19-0C18H21FN2O2
Frequently asked questions
What is the molar mass of C18H21FN2O2?
The molar mass of C18H21FN2O2 is 316.38 g/mol, calculated from standard atomic weights for 18 carbon atoms, 21 hydrogen atoms, 1 fluorine atom, 2 nitrogen atoms and 2 oxygen atoms. The monoisotopic mass is 316.1587 Da.
How many compounds have the formula C18H21FN2O2?
CompoundList lists 65 compounds with the molecular formula C18H21FN2O2, including trans-4-((1R)-2-((5S)-6-Fluoro-5H-imidazo(5,1-a)isoindol-5-yl)-1-hydroxyethyl)cyclohexanol, Fluorocarazolol, 4-(2-Ethylbutanoyl)-N-[(4-fluorophenyl)methyl]-1H-pyrrole-2-carboxamide. 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 C18H21FN2O2?
C18H21FN2O2 has a degree of unsaturation of 9. 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.