Molecular formula
C21H21FN4O2
87 compounds have this formula on CompoundList.
- Molar mass
- 380.42g/mol
- Monoisotopic mass
- 380.1649Da
- Atoms
- 49
- Elements
- 5
- Rings plus double bonds
- 13
The formula C21H21FN4O2 describes a molecule made of 21 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 × 2166.30%12.011 × 21 = 252.231 g/mol
- H Hydrogen × 215.56%1.008 × 21 = 21.168 g/mol
- F Fluorine × 14.99%18.998 × 1 = 18.998 g/mol
- N Nitrogen × 414.73%14.007 × 4 = 56.028 g/mol
- O Oxygen × 28.41%15.999 × 2 = 31.998 g/mol
Look up another formula
Compounds with the formula C21H21FN4O2
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 87 of 87 compounds
KU-0058948
CAS 763111-49-5C21H21FN4O2
![N,N-Diethyl-5-[(3-fluorobenzoyl)amino]-1-phenylpyrazole-4-carboxamide chemical structure, C21H21FN4O2, CAS 403736-05-0](/s/RBMQQBZTXVUNNA-UHFFFAOYSA-N.svg)
N,N-Diethyl-5-[(3-fluorobenzoyl)amino]-1-phenylpyrazole-4-carboxamide
CAS 403736-05-0C21H21FN4O2
2-(3-(4-(4-Fluorophenyl)piperazin-1-yl)-3-oxopropyl)quinazolin-4(3H)-one
CAS 745035-11-4C21H21FN4O2
3-(4-Fluorobenzyl)-6-(4-phenylpiperazin-1-yl)pyrimidine-2,4(1H,3H)-dione
CAS 847397-99-3C21H21FN4O2
6-(4-(4-Fluorophenyl)piperazin-1-yl)-3-(m-tolyl)pyrimidine-2,4(1H,3H)-dione
CAS 847399-59-1C21H21FN4O2
![N-[1-(3-Fluorophenyl)-6,6-dimethyl-4,5,6,7-tetrahydro-1H-indazol-4-yl]nicotinamide 1-oxide chemical structure, C21H21FN4O2, CAS 1070360-56-3](/s/YSQGEBZSROTEPN-UHFFFAOYSA-N.svg)
N-[1-(3-Fluorophenyl)-6,6-dimethyl-4,5,6,7-tetrahydro-1H-indazol-4-yl]nicotinamide 1-oxide
CAS 1070360-56-3C21H21FN4O2
N-(4-Fluorobenzyl)-1-(6-(furan-2-yl)pyridazin-3-yl)piperidine-3-carboxamide
CAS 1105229-88-6C21H21FN4O2
2-(4-(3-(4-Fluorophenyl)-1,2,4-oxadiazol-5-yl)piperidin-1-yl)-N-phenylacetamide
CAS 1251567-94-8C21H21FN4O2
![5-{1-[(2-Fluorophenyl)acetyl]piperidin-4-yl}-4-phenyl-2,4-dihydro-3H-1,2,4-triazol-3-one chemical structure, C21H21FN4O2, CAS 1775391-17-7](/s/LWGUSFSYYSSJQC-UHFFFAOYSA-N.svg)
5-{1-[(2-Fluorophenyl)acetyl]piperidin-4-yl}-4-phenyl-2,4-dihydro-3H-1,2,4-triazol-3-one
CAS 1775391-17-7C21H21FN4O2
![5-{1-[(3-Fluorophenyl)acetyl]piperidin-4-yl}-4-phenyl-2,4-dihydro-3H-1,2,4-triazol-3-one chemical structure, C21H21FN4O2, CAS 1775538-70-9](/s/BPNOUVVFRNJEIF-UHFFFAOYSA-N.svg)
5-{1-[(3-Fluorophenyl)acetyl]piperidin-4-yl}-4-phenyl-2,4-dihydro-3H-1,2,4-triazol-3-one
CAS 1775538-70-9C21H21FN4O2
![1-[3-(4-Fluorophenyl)-1H-pyrazole-5-carbonyl]-4-(2-methoxyphenyl)piperazine chemical structure, C21H21FN4O2, CAS 1093132-82-1](/s/OQAYGSKURFUNOS-UHFFFAOYSA-N.svg)
1-[3-(4-Fluorophenyl)-1H-pyrazole-5-carbonyl]-4-(2-methoxyphenyl)piperazine
CAS 1093132-82-1C21H21FN4O2
(4-((3-Fluoro-4-methylphenyl)amino)-7-methyl-1,8-naphthyridin-3-yl)(morpholino)methanone
CAS 1251702-81-4C21H21FN4O2
![2-{4-[3-(3-Fluorophenyl)-1,2,4-oxadiazol-5-yl]piperidin-1-yl}-N-phenylacetamide chemical structure, C21H21FN4O2, CAS 1251679-47-6](/s/PBOQMAYFGCOQBM-UHFFFAOYSA-N.svg)
2-{4-[3-(3-Fluorophenyl)-1,2,4-oxadiazol-5-yl]piperidin-1-yl}-N-phenylacetamide
CAS 1251679-47-6C21H21FN4O2
![1-Ethyl-3-[4-(2-fluorobenzoyl)-1-piperazinyl]-2(1H)-quinoxalinone chemical structure, C21H21FN4O2, CAS 1112429-24-9](/s/AZUJEMKFZBSMJP-UHFFFAOYSA-N.svg)
1-Ethyl-3-[4-(2-fluorobenzoyl)-1-piperazinyl]-2(1H)-quinoxalinone
CAS 1112429-24-9C21H21FN4O2
1-(2-(1H-Indol-1-yl)ethyl)-3-(1-(3-fluorophenyl)-5-oxopyrrolidin-3-yl)urea
CAS 894034-25-4C21H21FN4O2
1-(6-(4-Fluorophenyl)pyridazin-3-yl)-N-(furan-2-ylmethyl)piperidine-4-carboxamide
CAS 1105218-13-0C21H21FN4O2
![N-[4-(Dimethylamino)phenyl]-2-[2-(4-fluorophenyl)-4-methyl-6-oxo-1,6-dihydropyrimidin-1-yl]acetamide chemical structure, C21H21FN4O2, CAS 1775463-91-6](/s/ZNPAOQWVUUHIFY-UHFFFAOYSA-N.svg)
N-[4-(Dimethylamino)phenyl]-2-[2-(4-fluorophenyl)-4-methyl-6-oxo-1,6-dihydropyrimidin-1-yl]acetamide
CAS 1775463-91-6C21H21FN4O2
1-(2-Fluorophenyl)-3-(3-(6-oxo-3-(p-tolyl)pyridazin-1(6H)-yl)propyl)urea
CAS 1040671-78-0C21H21FN4O2
1-(3-Fluorophenyl)-3-(3-(6-oxo-3-(p-tolyl)pyridazin-1(6H)-yl)propyl)urea
CAS 1058240-73-5C21H21FN4O2
![N-(3-Fluoro-4-methylphenyl)-1-[6-(furan-2-yl)pyridazin-3-yl]piperidine-4-carboxamide chemical structure, C21H21FN4O2, CAS 1105233-88-2](/s/HMIOVPULHQDPDE-UHFFFAOYSA-N.svg)
N-(3-Fluoro-4-methylphenyl)-1-[6-(furan-2-yl)pyridazin-3-yl]piperidine-4-carboxamide
CAS 1105233-88-2C21H21FN4O2
1-((3-Cyclopentyl-4-oxo-3,4-dihydrophthalazin-1-yl)methyl)-3-(2-fluorophenyl)urea
CAS 1421494-37-2C21H21FN4O2
2-(3-(3-Benzyl-1,2,4-oxadiazol-5-yl)azetidin-1-yl)-N-(4-fluorobenzyl)acetamide
CAS 1396870-55-5C21H21FN4O2
![2-(3-Fluorophenyl)-N-[1-(3-pyridin-3-yl-1,2,4-oxadiazol-5-yl)cyclohexyl]acetamide chemical structure, C21H21FN4O2, CAS 1396860-44-8](/s/JYLFQQVGCHAUHL-UHFFFAOYSA-N.svg)
2-(3-Fluorophenyl)-N-[1-(3-pyridin-3-yl-1,2,4-oxadiazol-5-yl)cyclohexyl]acetamide
CAS 1396860-44-8C21H21FN4O2
![1-(4-Fluorophenyl)-4-[5-(2-methoxyphenyl)-1H-pyrazole-3-carbonyl]piperazine chemical structure, C21H21FN4O2, CAS 1094750-88-5](/s/MNKCYLKHMIQHLH-UHFFFAOYSA-N.svg)
1-(4-Fluorophenyl)-4-[5-(2-methoxyphenyl)-1H-pyrazole-3-carbonyl]piperazine
CAS 1094750-88-5C21H21FN4O2
- 6-(4-(2-Fluorophenyl)piperazin-1-yl)-3-(p-tolyl)pyrimidine-2,4(1H,3H)-dione847399-51-3C21H21FN4O2
- 6-(4-(4-Fluorophenyl)piperazin-1-yl)-3-(p-tolyl)pyrimidine-2,4(1H,3H)-dione847399-52-4C21H21FN4O2
- 3-{3-[4-(2-Fluorophenyl)-1-piperazinyl]-3-oxopropyl}-4(3H)-quinazolinone919723-90-3C21H21FN4O2
- 4-(4-(Dimethylamino)phenyl)-6-(4-fluorobenzyl)-3,4,6,7-tetrahydro-1H-pyrrolo[3,4-d]pyrimidine-2,5-dione1172249-33-0C21H21FN4O2
- N1-(4-fluorobenzyl)-N2-(3-(2-phenyl-1H-imidazol-1-yl)propyl)oxalamide1421451-44-6C21H21FN4O2
- (6-Fluoro-4-hydroxyquinolin-3-yl){4-[2-(pyridin-2-yl)ethyl]piperazin-1-yl}methanone1630905-48-4C21H21FN4O2
- (6-Fluoro-4-hydroxyquinolin-3-yl){4-[2-(pyridin-4-yl)ethyl]piperazin-1-yl}methanone1630861-72-1C21H21FN4O2
- 6-(4-(4-Fluorophenyl)piperazin-1-yl)-3-(o-tolyl)pyrimidine-2,4(1H,3H)-dione847399-31-9C21H21FN4O2
- (E)-2-Cyano-3-(4-(4-fluorophenyl)piperazin-1-yl)-N-(4-methoxyphenyl)acrylamide885179-31-7C21H21FN4O2
- 6-(4-(2-Fluorophenyl)piperazin-1-yl)-3-(o-tolyl)pyrimidine-2,4(1H,3H)-dione847399-30-8C21H21FN4O2
- 1-(2-(1H-Indol-1-yl)ethyl)-3-(1-(4-fluorophenyl)-5-oxopyrrolidin-3-yl)urea894019-24-0C21H21FN4O2
- (1-(4-Fluorophenyl)-4-methoxy-1H-pyrazol-3-yl)(4-phenylpiperazin-1-yl)methanone1020454-48-1C21H21FN4O2
- N-{2-[5-Cyclopropyl-3-(pyridin-4-yl)-1H-pyrazol-1-yl]ethyl}-2-(4-fluorophenoxy)acetamide1797294-29-1C21H21FN4O2
- N-(3-(1H-Pyrrolo[2,3-b]pyridin-1-yl)propyl)-1-(4-fluorophenyl)-5-oxopyrrolidine-3-carboxamide1788830-92-1C21H21FN4O2
- 8-Fluoro-11-oxo-N-(3-phenylpropyl)-3,4-dihydro-1H-dipyrido[1,2-a:4',3'-d]pyrimidine-2(11H)-carboxamide2034508-01-3C21H21FN4O2
- (8-Fluoro-4-hydroxyquinolin-3-yl){4-[2-(pyridin-2-yl)ethyl]piperazin-1-yl}methanone1630831-19-4C21H21FN4O2
- N-(3-Fluoro-4-methylphenyl)-2-(((1-(4-methyl-2-phenyl-1H-imidazol-5-yl)ethylidene)amino)oxy)acetamide1111561-92-2C21H21FN4O2
- 1-Pyrrolidinecarboxamide, N-(5-(2-fluorophenyl)-2,3-dihydro-1-methyl-2-oxo-1H-1,4-benzodiazepin-7-yl)-74858-71-2C21H21FN4O2
- 4-Cyano-2-fluoro-N-[4-(4-propanoylpiperazin-1-yl)phenyl]benzamide876897-22-2C21H21FN4O2
- 3-{3-[4-(4-Fluorophenyl)piperazin-1-yl]-3-oxopropyl}quinazolin-4(3H)-one900891-11-4C21H21FN4O2
- 4-{3-[4-(Dimethylamino)phenyl]-1,2,4-oxadiazol-5-yl}-1-(3-fluoro-4-methylphenyl)pyrrolidin-2-one941893-52-3C21H21FN4O2
- 1-(2-Fluorophenyl)-3-[1-(3-phenyl-1,2,4-oxadiazol-5-yl)cyclohexyl]urea1396799-60-2C21H21FN4O2
- N-(2-(3-Cyclopropyl-5-oxo-4-phenyl-4,5-dihydro-1H-1,2,4-triazol-1-yl)ethyl)-2-(4-fluorophenyl)acetamide1396687-34-5C21H21FN4O2
- 1-(2-(1H-Indol-3-yl)ethyl)-3-(1-(3-fluorophenyl)-5-oxopyrrolidin-3-yl)urea894033-82-0C21H21FN4O2
- 1-(1-(3-Fluorophenyl)-5-oxopyrrolidin-3-yl)-3-((2-methyl-1H-indol-5-yl)methyl)urea894034-40-3C21H21FN4O2
- 1-(2-(1H-Indol-3-yl)ethyl)-3-(1-(4-fluorophenyl)-5-oxopyrrolidin-3-yl)urea894018-97-4C21H21FN4O2
- 1-(1-(4-Fluorophenyl)-5-oxopyrrolidin-3-yl)-3-((2-methyl-1H-indol-5-yl)methyl)urea894019-35-3C21H21FN4O2
- 4-(Dimethylamino)-N-(2-(3-(4-fluorophenyl)-6-oxopyridazin-1(6H)-yl)ethyl)benzamide921531-43-3C21H21FN4O2
- 1-(4-Fluorophenyl)-3-(3-(6-oxo-3-(p-tolyl)pyridazin-1(6H)-yl)propyl)urea1021254-02-3C21H21FN4O2
- 4-(8-Fluoro-1,3,4,5-tetrahydro-2H-pyrido[4,3-b]indol-2-yl)-4-oxo-N-(pyridin-3-ylmethyl)butanamide1081146-03-3C21H21FN4O2
- 3-Fluoro-N-(4-((6-isopropoxy-2-methylpyrimidin-4-yl)amino)phenyl)benzamide1021119-61-8C21H21FN4O2
- 2-Fluoro-N-(4-((2-methyl-6-propoxypyrimidin-4-yl)amino)phenyl)benzamide946355-63-1C21H21FN4O2
- 3-Fluoro-N-(4-((2-methyl-6-propoxypyrimidin-4-yl)amino)phenyl)benzamide946234-35-1C21H21FN4O2
- 4-Fluoro-N-(4-((2-methyl-6-propoxypyrimidin-4-yl)amino)phenyl)benzamide946303-18-0C21H21FN4O2
- 2-Fluoro-N-(4-((6-isopropoxy-2-methylpyrimidin-4-yl)amino)phenyl)benzamide946355-79-9C21H21FN4O2
- 4-Fluoro-N-(4-((6-isopropoxy-2-methylpyrimidin-4-yl)amino)phenyl)benzamide946303-32-8C21H21FN4O2
- 3-(4-Fluorophenyl)-1-methyl-N-(4-morpholinophenyl)-1H-pyrazole-5-carboxamide1207017-45-5C21H21FN4O2
- (4-((4-Fluoro-3-methylphenyl)amino)-7-methyl-1,8-naphthyridin-3-yl)(morpholino)methanone1251627-51-6C21H21FN4O2
- N-(3-Fluorophenyl)-2-(3-morpholino-4-phenyl-1H-pyrazol-1-yl)acetamide1286719-24-1C21H21FN4O2
- N-(2-(5-Cyclopropyl-3-(pyridin-2-yl)-1H-pyrazol-1-yl)ethyl)-2-(2-fluorophenoxy)acetamide1797306-89-8C21H21FN4O2
- 1-(3-((3-(2-Fluorophenyl)-1,2,4-oxadiazol-5-yl)methyl)piperidin-1-yl)-2-(pyridin-3-yl)ethanone1705103-03-2C21H21FN4O2
- (4-(1H-Pyrrol-1-yl)phenyl)(3-((6-ethyl-5-fluoropyrimidin-4-yl)oxy)pyrrolidin-1-yl)methanone2034247-94-2C21H21FN4O2
- N-{2-[4-Cyclopropyl-3-(4-fluorophenyl)-5-oxo-4,5-dihydro-1H-1,2,4-triazol-1-yl]ethyl}-2-phenylacetamide2309349-22-0C21H21FN4O2
- N-(4-Fluorophenyl)-2-{3-oxo-2-phenyl-1,4,8-triazaspiro[4.5]dec-1-en-8-yl}acetamide932338-92-6C21H21FN4O2
- 1-Ethyl-5-fluoro-3-(2-oxo-1-pyrrolidinyl)-N-(2-pyridinylmethyl)-1H-indole-2-carboxamide1031672-02-2C21H21FN4O2
- N-(3-Cyclopropyl-4-fluorobenzyl)-6-methoxy-5-(4-methyl-1H-imidazol-1-yl)pyridine-2-carboxamide1294002-58-6C21H21FN4O2
- 7-Fluoro-3-({1-[2-(pyridin-3-yl)acetyl]piperidin-4-yl}methyl)-3,4-dihydroquinazolin-4-one2415570-16-8C21H21FN4O2
- [3-({2-[3-(4-Fluorophenyl)-1,2,4-oxadiazol-5-yl]pyrrolidin-1-yl}carbonyl)phenyl]dimethylamine1795410-87-5C21H21FN4O2
- [4-({2-[3-(4-Fluorophenyl)-1,2,4-oxadiazol-5-yl]pyrrolidin-1-yl}carbonyl)phenyl]dimethylamine1795293-58-1C21H21FN4O2
- 3-{[1-(5-Fluoropyridine-3-carbonyl)piperidin-4-yl]methyl}-2-methyl-3,4-dihydroquinazolin-4-one2415454-21-4C21H21FN4O2
- 3-{[1-(3-Fluoropyridine-4-carbonyl)piperidin-4-yl]methyl}-2-methyl-3,4-dihydroquinazolin-4-one2415566-28-6C21H21FN4O2
- 7-Fluoro-2-methyl-3-{[1-(pyridine-4-carbonyl)piperidin-4-yl]methyl}-3,4-dihydroquinazolin-4-one2415490-19-4C21H21FN4O2
- 7-Fluoro-2-methyl-3-{[1-(pyridine-2-carbonyl)piperidin-4-yl]methyl}-3,4-dihydroquinazolin-4-one2415585-60-1C21H21FN4O2
- N-[(1H-1,3-Benzodiazol-2-yl)methyl]-1-[(4-fluorophenyl)methyl]-6-oxopiperidine-2-carboxamide2770581-32-1C21H21FN4O2
- 3-(But-3-en-2-yl)-1-[5-(2-fluorophenyl)-1-methyl-2-oxo-2,3-dihydro-1H-1,4-benzodiazepin-3-yl]urea2624115-96-2C21H21FN4O2
- 3-(Cyclopropylmethyl)-1-[5-(2-fluorophenyl)-1-methyl-2-oxo-2,3-dihydro-1H-1,4-benzodiazepin-3-yl]urea2624126-37-8C21H21FN4O2
- 3-Cyclobutyl-1-[5-(2-fluorophenyl)-1-methyl-2-oxo-2,3-dihydro-1H-1,4-benzodiazepin-3-yl]urea2624125-49-9C21H21FN4O2
- 1-[5-(2-Fluorophenyl)-1-methyl-2-oxo-2,3-dihydro-1H-1,4-benzodiazepin-3-yl]-3-(2-methylcyclopropyl)urea2624126-65-2C21H21FN4O2
- 1-[5-(2-Fluorophenyl)-1-methyl-2-oxo-2,3-dihydro-1H-1,4-benzodiazepin-3-yl]-3-(2-methylprop-2-en-1-yl)urea2624118-09-6C21H21FN4O2
- 1-[5-(2-Fluorophenyl)-1-methyl-2-oxo-2,3-dihydro-1H-1,4-benzodiazepin-3-yl]-3-(1-methylcyclopropyl)urea2624118-43-8C21H21FN4O2
- 1-[5-(2-Fluorophenyl)-1-methyl-2-oxo-2,3-dihydro-1H-1,4-benzodiazepin-3-yl]-3-(2-methylprop-1-en-1-yl)urea2624118-28-9C21H21FN4O2
- 3-(But-3-en-1-yl)-1-[5-(2-fluorophenyl)-1-methyl-2-oxo-2,3-dihydro-1H-1,4-benzodiazepin-3-yl]urea2624129-24-2C21H21FN4O2
- Piperazine,1-[[1-[(4-fluorophenyl)methyl]-1H-pyrrolo[2,3-b]pyridin-3-yl]oxoacetyl]-4-methyl-418794-80-6C21H21FN4O2
Frequently asked questions
What is the molar mass of C21H21FN4O2?
The molar mass of C21H21FN4O2 is 380.42 g/mol, calculated from standard atomic weights for 21 carbon atoms, 21 hydrogen atoms, 1 fluorine atom, 4 nitrogen atoms and 2 oxygen atoms. The monoisotopic mass is 380.1649 Da.
How many compounds have the formula C21H21FN4O2?
CompoundList lists 87 compounds with the molecular formula C21H21FN4O2, including KU-0058948, N,N-Diethyl-5-[(3-fluorobenzoyl)amino]-1-phenylpyrazole-4-carboxamide, 2-(3-(4-(4-Fluorophenyl)piperazin-1-yl)-3-oxopropyl)quinazolin-4(3H)-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 C21H21FN4O2?
C21H21FN4O2 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.