Molecular formula
C18H21FN4O2
85 compounds have this formula on CompoundList.
- Molar mass
- 344.39g/mol
- Monoisotopic mass
- 344.1649Da
- Atoms
- 46
- Elements
- 5
- Rings plus double bonds
- 10
The formula C18H21FN4O2 describes a molecule made of 18 carbon atoms, 21 hydrogen atoms, 1 fluorine atom, 4 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 × 1862.78%12.011 × 18 = 216.198 g/mol
- H Hydrogen × 216.15%1.008 × 21 = 21.168 g/mol
- F Fluorine × 15.52%18.998 × 1 = 18.998 g/mol
- N Nitrogen × 416.27%14.007 × 4 = 56.028 g/mol
- O Oxygen × 29.29%15.999 × 2 = 31.998 g/mol
Look up another formula
Compounds with the formula C18H21FN4O2
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 85 of 85 compounds
6-(3-(4-Fluorobenzyl)-3-(hydroxymethyl)piperidin-1-yl)pyrazine-2-carboxamide
CAS 1332175-56-0C18H21FN4O2
![N-(4-Fluoro-2-methylphenyl)-2-[4-methyl-6-oxo-2-(pyrrolidin-1-yl)-1,6-dihydropyrimidin-1-yl]acetamide chemical structure, C18H21FN4O2, CAS 1251699-25-8](/s/JSQMTPQOMIYMOX-UHFFFAOYSA-N.svg)
N-(4-Fluoro-2-methylphenyl)-2-[4-methyl-6-oxo-2-(pyrrolidin-1-yl)-1,6-dihydropyrimidin-1-yl]acetamide
CAS 1251699-25-8C18H21FN4O2
![N-(3-Fluorophenyl)-2-{[6-methyl-2-(piperidin-1-yl)pyrimidin-4-yl]oxy}acetamide chemical structure, C18H21FN4O2, CAS 1031961-49-5](/s/VCQBQUJSEGLEQW-UHFFFAOYSA-N.svg)
N-(3-Fluorophenyl)-2-{[6-methyl-2-(piperidin-1-yl)pyrimidin-4-yl]oxy}acetamide
CAS 1031961-49-5C18H21FN4O2
![N-(3-Fluoro-4-methylphenyl)-2-{[6-methyl-2-(pyrrolidin-1-yl)pyrimidin-4-yl]oxy}acetamide chemical structure, C18H21FN4O2, CAS 1029763-66-3](/s/NNVQHQNHANCYHF-UHFFFAOYSA-N.svg)
N-(3-Fluoro-4-methylphenyl)-2-{[6-methyl-2-(pyrrolidin-1-yl)pyrimidin-4-yl]oxy}acetamide
CAS 1029763-66-3C18H21FN4O2
![N-(5-Fluoro-2-methylphenyl)-2-{[6-methyl-2-(pyrrolidin-1-yl)pyrimidin-4-yl]oxy}acetamide chemical structure, C18H21FN4O2, CAS 1030097-57-4](/s/MMQUZRFRBWIDFP-UHFFFAOYSA-N.svg)
N-(5-Fluoro-2-methylphenyl)-2-{[6-methyl-2-(pyrrolidin-1-yl)pyrimidin-4-yl]oxy}acetamide
CAS 1030097-57-4C18H21FN4O2
N-(3-Fluorophenyl)-2-(4-methyl-6-oxo-2-(piperidin-1-yl)pyrimidin-1(6H)-yl)acetamide
CAS 1251559-57-5C18H21FN4O2
![N-(5-Fluoro-2-methylphenyl)-2-[4-methyl-6-oxo-2-(pyrrolidin-1-yl)-1,6-dihydropyrimidin-1-yl]acetamide chemical structure, C18H21FN4O2, CAS 1251553-47-5](/s/PFEHCWKWFQKQBZ-UHFFFAOYSA-N.svg)
N-(5-Fluoro-2-methylphenyl)-2-[4-methyl-6-oxo-2-(pyrrolidin-1-yl)-1,6-dihydropyrimidin-1-yl]acetamide
CAS 1251553-47-5C18H21FN4O2
4-(5-Cyclopropyl-1,3,4-oxadiazol-2-yl)-N-(4-fluorobenzyl)piperidine-1-carboxamide
CAS 1173049-23-4C18H21FN4O2
N-(4-Fluorobenzyl)-5-(4-methylpiperazin-1-yl)-2-nitrobenzenamine
CAS 897026-39-0C18H21FN4O2
![Ethyl 2-[4-(4-fluorophenyl)piperazin-1-yl]-4-methylpyrimidine-5-carboxylate chemical structure, C18H21FN4O2, CAS 1306738-65-7](/s/JKXLELWPQXSAGM-UHFFFAOYSA-N.svg)
Ethyl 2-[4-(4-fluorophenyl)piperazin-1-yl]-4-methylpyrimidine-5-carboxylate
CAS 1306738-65-7C18H21FN4O2
![N-[1-(3-Cyclopropyl-1,2,4-oxadiazol-5-yl)cyclohexyl]-N'-(2-fluorophenyl)urea chemical structure, C18H21FN4O2, CAS 1396876-55-3](/s/PRUAQTATGOCWKO-UHFFFAOYSA-N.svg)
N-[1-(3-Cyclopropyl-1,2,4-oxadiazol-5-yl)cyclohexyl]-N'-(2-fluorophenyl)urea
CAS 1396876-55-3C18H21FN4O2
(4-(6-Ethoxy-2-methylpyrimidin-4-yl)piperazin-1-yl)(2-fluorophenyl)methanone
CAS 946248-32-4C18H21FN4O2
![N-[3-(3-Fluorophenyl)-2-(2-oxopyrrolidin-1-yl)propyl]-2-(1H-pyrazol-1-yl)acetamide chemical structure, C18H21FN4O2, CAS 1421468-89-4](/s/CJQJNSAZXPILJU-UHFFFAOYSA-N.svg)
N-[3-(3-Fluorophenyl)-2-(2-oxopyrrolidin-1-yl)propyl]-2-(1H-pyrazol-1-yl)acetamide
CAS 1421468-89-4C18H21FN4O2
2-(4-Fluorophenyl)-N-(2-((6-(pyrrolidin-1-yl)pyrimidin-4-yl)oxy)ethyl)acetamide
CAS 1203105-39-8C18H21FN4O2
![2-(2-Fluorophenoxy)-N-{[1-(pyrimidin-2-yl)piperidin-4-yl]methyl}acetamide chemical structure, C18H21FN4O2, CAS 1235051-36-1](/s/TVZANVLLZWGGLM-UHFFFAOYSA-N.svg)
2-(2-Fluorophenoxy)-N-{[1-(pyrimidin-2-yl)piperidin-4-yl]methyl}acetamide
CAS 1235051-36-1C18H21FN4O2
![2-(4-Fluorophenyl)-N-{[6-methyl-2-(morpholin-4-yl)pyrimidin-4-yl]methyl}acetamide chemical structure, C18H21FN4O2, CAS 1797657-17-0](/s/FMMAWWRKWIBQLG-UHFFFAOYSA-N.svg)
2-(4-Fluorophenyl)-N-{[6-methyl-2-(morpholin-4-yl)pyrimidin-4-yl]methyl}acetamide
CAS 1797657-17-0C18H21FN4O2
![2-Oxazolidinone, 3-[6-fluoro-2-[[(1S)-1-phenylethyl]amino]-4-pyrimidinyl]-4-(1-methylethyl)-, (4S)- chemical structure, C18H21FN4O2, CAS 1429180-09-5](/s/RROJPMOFTNCTMF-GXTWGEPZSA-N.svg)
2-Oxazolidinone, 3-[6-fluoro-2-[[(1S)-1-phenylethyl]amino]-4-pyrimidinyl]-4-(1-methylethyl)-, (4S)-
CAS 1429180-09-5C18H21FN4O2
![1-[(4-Fluorophenyl)methyl]-3-[(1r,4r)-4-(pyrazin-2-yloxy)cyclohexyl]urea chemical structure, C18H21FN4O2, CAS 2034397-22-1](/s/GHRRWKMLJBJBQK-UHFFFAOYSA-N.svg)
1-[(4-Fluorophenyl)methyl]-3-[(1r,4r)-4-(pyrazin-2-yloxy)cyclohexyl]urea
CAS 2034397-22-1C18H21FN4O2
1-(3-((6-(Dimethylamino)pyridazin-3-yl)oxy)pyrrolidin-1-yl)-2-(2-fluorophenyl)ethanone
CAS 2034225-03-9C18H21FN4O2
N-(4,6-Dimethyl-2-morpholinopyrimidin-5-yl)-2-(4-fluorophenyl)acetamide
CAS 929623-86-9C18H21FN4O2
N-(2-(3,5-Dimethyl-1H-pyrazol-1-yl)ethyl)-1-(4-fluorophenyl)-5-oxopyrrolidine-3-carboxamide
CAS 1234952-39-6C18H21FN4O2
![N-{1-[6-(3-Fluorophenyl)pyridazin-3-yl]piperidin-4-yl}-2-methoxyacetamide chemical structure, C18H21FN4O2, CAS 1396869-84-3](/s/URVIDNGBTLZSRW-UHFFFAOYSA-N.svg)
N-{1-[6-(3-Fluorophenyl)pyridazin-3-yl]piperidin-4-yl}-2-methoxyacetamide
CAS 1396869-84-3C18H21FN4O2
N-(4-Fluorobenzyl)-3-((6-methylpyridazin-3-yl)oxy)piperidine-1-carboxamide
CAS 2034226-68-9C18H21FN4O2
![2-(2-Fluorophenoxy)-1-[3-(1H-1,2,4-triazol-1-yl)-8-azabicyclo[3.2.1]octan-8-yl]propan-1-one chemical structure, C18H21FN4O2, CAS 2319809-33-9](/s/AUWDFXLOZBRONM-UHFFFAOYSA-N.svg)
2-(2-Fluorophenoxy)-1-[3-(1H-1,2,4-triazol-1-yl)-8-azabicyclo[3.2.1]octan-8-yl]propan-1-one
CAS 2319809-33-9C18H21FN4O2
- (4-(6-Ethoxy-2-methylpyrimidin-4-yl)piperazin-1-yl)(4-fluorophenyl)methanone946323-88-2C18H21FN4O2
- 2-(4-Fluorophenoxy)-N-{[1-(pyrimidin-2-yl)piperidin-4-yl]methyl}acetamide1234893-50-5C18H21FN4O2
- N-(3-Fluoro-4-methylphenyl)-1-(1-methyl-6-oxo-1,6-dihydropyridazin-3-yl)piperidine-4-carboxamide1421477-90-8C18H21FN4O2
- 2-(4-Fluorophenyl)-N-((4-methyl-6-morpholinopyrimidin-2-yl)methyl)acetamide1798031-84-1C18H21FN4O2
- 1-[(4-Fluorophenyl)methyl]-3-[(1r,4r)-4-(pyrimidin-2-yloxy)cyclohexyl]urea2034278-61-8C18H21FN4O2
- 1-Benzyl-3-((1r,4r)-4-((5-fluoropyrimidin-2-yl)oxy)cyclohexyl)urea2034280-19-6C18H21FN4O2
- 1-(3-((6-(Dimethylamino)pyrazin-2-yl)oxy)pyrrolidin-1-yl)-2-(4-fluorophenyl)ethanone2034499-68-6C18H21FN4O2
- 1-(3-((6-(Dimethylamino)pyrazin-2-yl)oxy)pyrrolidin-1-yl)-2-(2-fluorophenyl)ethanone2034433-25-3C18H21FN4O2
- 1-(3-((6-(Dimethylamino)pyridazin-3-yl)oxy)pyrrolidin-1-yl)-2-(4-fluorophenyl)ethanone2034224-79-6C18H21FN4O2
- N-((1-(5-Fluoropyrimidin-2-yl)piperidin-4-yl)methyl)-2-methoxybenzamide2034470-45-4C18H21FN4O2
- N-((1-(5-Fluoropyrimidin-2-yl)piperidin-4-yl)methyl)-3-methoxybenzamide2034614-96-3C18H21FN4O2
- 3-((5-Fluoropyrimidin-2-yl)oxy)-N-(3-phenylpropyl)pyrrolidine-1-carboxamide2034579-14-9C18H21FN4O2
- N-Benzyl-3-[(6-ethyl-5-fluoropyrimidin-4-yl)oxy]pyrrolidine-1-carboxamide2034249-19-7C18H21FN4O2
- 4-((2,6-Dimethylpyrimidin-4-yl)oxy)-N-(2-fluorophenyl)piperidine-1-carboxamide2034498-19-4C18H21FN4O2
- 3-((4,6-Dimethylpyrimidin-2-yl)oxy)-N-(4-fluorobenzyl)pyrrolidine-1-carboxamide2034252-79-2C18H21FN4O2
- 1-(3-(4-Cyclopropyl-1H-1,2,3-triazol-1-yl)pyrrolidin-1-yl)-2-(2-fluorophenoxy)propan-1-one2034458-15-4C18H21FN4O2
- N-(4-Fluorobenzyl)-4-((2-methylpyrimidin-4-yl)oxy)piperidine-1-carboxamide2097897-55-5C18H21FN4O2
- (3-(Dimethylamino)phenyl)(3-((5-fluoropyrimidin-2-yl)oxy)piperidin-1-yl)methanone2034428-83-4C18H21FN4O2
- N-(3,4-Dimethylphenyl)-3-[(5-fluoropyrimidin-2-yl)oxy]piperidine-1-carboxamide2034429-54-2C18H21FN4O2
- 3-((2,6-Dimethylpyrimidin-4-yl)oxy)-N-(4-fluorophenyl)piperidine-1-carboxamide2034400-05-8C18H21FN4O2
- 3-[(4,6-Dimethylpyrimidin-2-yl)oxy]-N-(4-fluorophenyl)piperidine-1-carboxamide2034273-50-0C18H21FN4O2
- 3-((5-Fluoropyrimidin-2-yl)oxy)-N-phenethylpiperidine-1-carboxamide2097889-78-4C18H21FN4O2
- 4-{[1-(5-Fluoropyridine-3-carbonyl)piperidin-4-yl]methoxy}-5,6-dimethylpyrimidine2320376-97-2C18H21FN4O2
- 2-(2-Fluorophenyl)-N-(1-(4-methyl-6-oxo-1,6-dihydropyrimidin-2-yl)piperidin-4-yl)acetamide1903291-46-2C18H21FN4O2
- 6-Fluoro-N-[2-(4-oxo-5,6,7,8-tetrahydro-3H-quinazolin-2-yl)butan-2-yl]pyridine-3-carboxamide2128716-99-2C18H21FN4O2
- 1-Acryloyl-N-(1-ethyl-5-fluoro-1H-benzo[d]imidazol-2-yl)piperidine-4-carboxamide2361784-00-9C18H21FN4O2
- 3-[(3-Cyclopropyl-1,2,4-oxadiazol-5-yl)methyl]-N-(2-fluorophenyl)piperidine-1-carboxamide1706111-59-2C18H21FN4O2
- 6-(4-Fluorophenyl)-3-[(4-methylpiperidin-1-yl)carbonyl]-6,7-dihydro-4H-[1,2,3]triazolo[5,1-c][1,4]oxazine2108348-60-1C18H21FN4O2
- N-[2-(Dimethylamino)-5,6,7,8-tetrahydroquinazolin-6-yl]-2-(2-fluorophenoxy)acetamide2097892-38-9C18H21FN4O2
- 3-[(2,6-Dimethylpyrimidin-4-yl)oxy]-N-[(4-fluorophenyl)methyl]pyrrolidine-1-carboxamide2097934-42-2C18H21FN4O2
- N-[2-[4-(4-Cyano-2-fluorophenyl)piperazin-1-yl]-2-oxoethyl]-N-ethylprop-2-enamide2361706-27-4C18H21FN4O2
- N-[2-(Dimethylamino)-5,6,7,8-tetrahydroquinazolin-6-yl]-3-fluoro-4-methoxybenzamide2097913-39-6C18H21FN4O2
- N-(4-Fluorophenyl)-3-{[(5-methylpyrimidin-2-yl)oxy]methyl}piperidine-1-carboxamide2379988-33-5C18H21FN4O2
- N-[(4-Fluorophenyl)methyl]-3-[(pyrimidin-2-yloxy)methyl]piperidine-1-carboxamide2380041-36-9C18H21FN4O2
- N-[(4-Fluorophenyl)methyl]-4-[(5-methylpyrimidin-2-yl)oxy]piperidine-1-carboxamide2380059-06-1C18H21FN4O2
- 4-[(5-Ethylpyrimidin-2-yl)oxy]-N-(2-fluorophenyl)piperidine-1-carboxamide2380077-96-1C18H21FN4O2
- 1-{4-[5-Fluoro-6-(4-methoxyphenyl)pyrimidin-4-yl]piperazin-1-yl}propan-1-one2380175-85-7C18H21FN4O2
- 4-[(5-Fluoropyrimidin-2-yl)oxy]-N-(2-phenylethyl)piperidine-1-carboxamide2380101-04-0C18H21FN4O2
- N-(2-Fluorophenyl)-4-{[(6-methylpyridazin-3-yl)oxy]methyl}piperidine-1-carboxamide2415625-00-0C18H21FN4O2
- N-{2-[4-(2-Cyano-4-fluorophenyl)piperazin-1-yl]-2-oxoethyl}-N-ethylprop-2-enamide2361767-96-4C18H21FN4O2
- 6-Fluoro-4-[2-(piperidine-1-carbonyl)morpholin-4-yl]quinazoline2415463-55-5C18H21FN4O2
- N-[(4-Fluoro-1-{4-oxo-4H-pyrido[1,2-a]pyrimidin-2-yl}piperidin-4-yl)methyl]cyclopropanecarboxamide2877688-11-2C18H21FN4O2
- 4-(6-Ethyl-5-fluoropyrimidin-4-yl)-1-[(3-methoxyphenyl)methyl]piperazin-2-one2877648-60-5C18H21FN4O2
- 6-Fluoro-4-[4-(morpholine-4-carbonyl)piperidin-1-yl]quinazoline2877750-47-3C18H21FN4O2
- N-Ethyl-3-({[6-(3-fluorophenyl)pyridazin-3-yl]oxy}methyl)pyrrolidine-1-carboxamide2549040-52-8C18H21FN4O2
- 7-Fluoro-4-[3-(morpholine-4-carbonyl)piperidin-1-yl]quinazoline2742036-16-2C18H21FN4O2
- 6-Fluoro-4-[3-(morpholine-4-carbonyl)piperidin-1-yl]quinazoline2741919-54-8C18H21FN4O2
- 2-(Benzyloxy)-1-[4-(5-fluoro-6-methylpyrimidin-4-yl)piperazin-1-yl]ethan-1-one2415535-18-9C18H21FN4O2
- 2-(2-Fluorophenoxy)-N-methyl-N-[1-(6-methylpyridazin-3-yl)azetidin-3-yl]propanamide2415514-30-4C18H21FN4O2
- N-(2-Fluorophenyl)-2-{3-[(pyrazin-2-yloxy)methyl]piperidin-1-yl}acetamide2770636-91-2C18H21FN4O2
- N-(4-Fluorophenyl)-2-{3-[(pyrazin-2-yloxy)methyl]piperidin-1-yl}acetamide2770604-83-4C18H21FN4O2
- Benzyl N-{[(2S,4S)-4-fluoro-1-(pyrimidin-4-yl)pyrrolidin-2-yl]methyl}-N-methylcarbamate2679817-83-3C18H21FN4O2
- N-(Oxan-4-yl)-1-{thieno[2,3-d]pyrimidin-4-yl}pyrrolidine-3-carboxamide3030809-91-4C18H21FN4O2
- 3-({4-[(3,5-Dimethyl-1,2-oxazol-4-yl)methyl]piperazin-1-yl}methyl)-6-fluoro-1,2-benzoxazole3030727-14-8C18H21FN4O2
- 2-[4-(2-Fluoropyridin-4-yl)piperazin-1-yl]-N-(2-methoxyphenyl)acetamide2794562-23-3C18H21FN4O2
- 2-[4-(2-Fluoropyridin-4-yl)piperazin-1-yl]-N-(3-methoxyphenyl)acetamide3030778-40-3C18H21FN4O2
- 2-[4-(2-Fluoropyridin-4-yl)piperazin-1-yl]-N-(4-methoxyphenyl)acetamide3030812-98-4C18H21FN4O2
- 4-(6-Fluoropyridin-2-yl)-N-(3-methoxyphenyl)-3-methylpiperazine-1-carboxamide3054627-01-6C18H21FN4O2
- 4-(6-Fluoropyridin-2-yl)-N-(4-methoxyphenyl)-3-methylpiperazine-1-carboxamide3054585-41-7C18H21FN4O2
- 4-(6-Fluoropyridin-2-yl)-N-(2-methoxyphenyl)-3-methylpiperazine-1-carboxamide3054563-20-8C18H21FN4O2
- 2-Fluoro-6-[(1-{3-methyl-5H,6H,7H,8H-imidazo[1,5-a]pyridine-1-carbonyl}pyrrolidin-3-yl)oxy]pyridine3054579-10-8C18H21FN4O2
Frequently asked questions
What is the molar mass of C18H21FN4O2?
The molar mass of C18H21FN4O2 is 344.39 g/mol, calculated from standard atomic weights for 18 carbon atoms, 21 hydrogen atoms, 1 fluorine atom, 4 nitrogen atoms and 2 oxygen atoms. The monoisotopic mass is 344.1649 Da.
How many compounds have the formula C18H21FN4O2?
CompoundList lists 85 compounds with the molecular formula C18H21FN4O2, including 6-(3-(4-Fluorobenzyl)-3-(hydroxymethyl)piperidin-1-yl)pyrazine-2-carboxamide, N-(4-Fluoro-2-methylphenyl)-2-[4-methyl-6-oxo-2-(pyrrolidin-1-yl)-1,6-dihydropyrimidin-1-yl]acetamide, N-(3-Fluorophenyl)-2-{[6-methyl-2-(piperidin-1-yl)pyrimidin-4-yl]oxy}acetamide. 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 C18H21FN4O2?
C18H21FN4O2 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.