C21H18FN3O3
46 compounds have this formula on CompoundList.
- Molar mass
- 379.39g/mol
- Monoisotopic mass
- 379.1332Da
- Atoms
- 46
- Elements
- 5
- Rings plus double bonds
- 14
The formula C21H18FN3O3 describes a molecule made of 21 carbon atoms, 18 hydrogen atoms, 1 fluorine atom, 3 nitrogen atoms and 3 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 × 2166.48%12.011 × 21 = 252.231 g/mol
- H Hydrogen × 184.78%1.008 × 18 = 18.144 g/mol
- F Fluorine × 15.01%18.998 × 1 = 18.998 g/mol
- N Nitrogen × 311.08%14.007 × 3 = 42.021 g/mol
- O Oxygen × 312.65%15.999 × 3 = 47.997 g/mol
Compounds with the formula C21H18FN3O3
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 46 of 46 compounds
![N-[1-(4-Fluorophenyl)-5-oxopyrrolidin-3-yl]-2-(2-methyl-1H-indol-3-yl)-2-oxoacetamide chemical structure, C21H18FN3O3, CAS 896297-10-2](/s/SSIPMFCRPYVUSV-UHFFFAOYSA-N.svg)
![7-(Diethylamino)-3-[3-(2-fluorophenyl)-1,2,4-oxadiazol-5-yl]-2H-chromen-2-one chemical structure, C21H18FN3O3, CAS 892755-33-8](/s/FGQQDYBKSWGRCQ-UHFFFAOYSA-N.svg)
![2-(2-Fluorophenyl)-3-(2-methoxyethyl)-10-methylpyrimido[4,5-b]quinoline-4,5(3H,10H)-dione chemical structure, C21H18FN3O3, CAS 883957-02-6](/s/OAOZHBBAYYTCHP-UHFFFAOYSA-N.svg)
![1'-(2-Fluoro-4-(1-methyl-1H-pyrazol-4-yl)benzyl)spiro[[1,3]dioxolane-2,3'-indolin]-2'-one chemical structure, C21H18FN3O3, CAS 1426688-66-5](/s/LUQMRFHPCPWDMX-UHFFFAOYSA-N.svg)
![Ethyl 4-(4-(4-fluorophenyl)-3-methyl-6-oxo-4,6-dihydropyrrolo[3,4-c]pyrazol-5(1H)-yl)benzoate chemical structure, C21H18FN3O3, CAS 587009-71-0](/s/QZCWZLACIVJINV-UHFFFAOYSA-N.svg)
![2-(4-Fluorophenyl)-3-(2-methoxyethyl)-10-methylpyrimido[4,5-b]quinoline-4,5(3H,10H)-dione chemical structure, C21H18FN3O3, CAS 883956-86-3](/s/AEKYHRZEKIQJNF-UHFFFAOYSA-N.svg)
![Ethyl 4-[4-(2-fluorophenyl)-3-methyl-6-oxo-2,4-dihydropyrrolo[3,4-c]pyrazol-5-yl]benzoate chemical structure, C21H18FN3O3, CAS 696629-01-3](/s/SOKCDVUAQMEESR-UHFFFAOYSA-N.svg)
![Ethyl 4-[4-(3-fluorophenyl)-3-methyl-6-oxo-2,4-dihydropyrrolo[3,4-c]pyrazol-5-yl]benzoate chemical structure, C21H18FN3O3, CAS 578720-99-7](/s/IYWGAWSLRXEQLV-UHFFFAOYSA-N.svg)
![3-[3-(4-Ethoxyphenyl)-1,2,4-oxadiazol-5-yl]-1-ethyl-6-fluoroquinolin-4(1H)-one chemical structure, C21H18FN3O3, CAS 1207037-53-3](/s/UAEOEMNDLQAEKE-UHFFFAOYSA-N.svg)
![6-(4-Fluorophenyl)-5-(4-methoxyphenyl)-1,3-dimethylpyrrolo[3,4-d]pyrimidine-2,4-dione chemical structure, C21H18FN3O3, CAS 663929-11-1](/s/ZFSNDPTUFUVHRS-UHFFFAOYSA-N.svg)
![N-(3-Acetamidophenyl)-1-[(2-fluorophenyl)methyl]-6-oxo-1,6-dihydropyridine-3-carboxamide chemical structure, C21H18FN3O3, CAS 946363-37-7](/s/HBIGZGXNKICPQL-UHFFFAOYSA-N.svg)
![N-(4-Acetamidophenyl)-1-[(2-fluorophenyl)methyl]-6-oxo-1,6-dihydropyridine-3-carboxamide chemical structure, C21H18FN3O3, CAS 946280-20-2](/s/HOTMPXDTCUIQAX-UHFFFAOYSA-N.svg)
![2-Amino-N-({[1,1'-biphenyl]-4-yl}methyl)-5-fluoro-N-methyl-3-nitrobenzamide chemical structure, C21H18FN3O3, CAS 1423765-76-7](/s/WMOZFIIDOZMDMY-UHFFFAOYSA-N.svg)
![N-(4-Acetamidophenyl)-1-[(3-fluorophenyl)methyl]-6-oxopyridine-3-carboxamide chemical structure, C21H18FN3O3, CAS 942009-15-6](/s/MNRPXLJMIDNTQZ-UHFFFAOYSA-N.svg)
![2-(3,4-Dimethoxyphenyl)-5-(3-fluorobenzyl)pyrazolo[1,5-a]pyrazin-4(5H)-one chemical structure, C21H18FN3O3, CAS 1326895-66-2](/s/NHCXQTZEJPYDEF-UHFFFAOYSA-N.svg)
- 2-(3,4-Dimethoxyphenyl)-5-(4-fluorobenzyl)pyrazolo[1,5-a]pyrazin-4(5H)-one1326909-36-7C21H18FN3O3
- N-(4-Acetamidophenyl)-1-(3-fluorobenzyl)-2-oxo-1,2-dihydropyridine-3-carboxamide1005298-00-9C21H18FN3O3
- N-(3-Acetamidophenyl)-1-(4-fluorobenzyl)-2-oxo-1,2-dihydropyridine-3-carboxamide946354-54-7C21H18FN3O3
- N-(4-Acetamidophenyl)-1-(4-fluorobenzyl)-2-oxo-1,2-dihydropyridine-3-carboxamide1005300-39-9C21H18FN3O3
- N-(4-Acetamidophenyl)-1-(2-fluorobenzyl)-2-oxo-1,2-dihydropyridine-3-carboxamide899991-73-2C21H18FN3O3
- 6-(3,4-Dihydro-1H-isoquinoline-2-carbonyl)-2-(4-fluorophenyl)-5-methoxypyridazin-3-one942005-26-7C21H18FN3O3
- N-(3-Acetamidophenyl)-1-[(3-fluorophenyl)methyl]-6-oxopyridine-3-carboxamide941911-04-2C21H18FN3O3
- N-((5-(4-Fluorophenyl)isoxazol-3-yl)methyl)-5-oxo-1-phenylpyrrolidine-3-carboxamide952967-76-9C21H18FN3O3
- 2-(4-Fluorophenyl)-5-methoxy-6-(2-methylindoline-1-carbonyl)pyridazin-3(2H)-one941879-69-2C21H18FN3O3
- N-(Benzo[d][1,3]dioxol-5-yl)-1-(2-fluorophenyl)-3,4-dihydropyrrolo[1,2-a]pyrazine-2(1H)-carboxamide900012-34-2C21H18FN3O3
- N-(Benzo[d][1,3]dioxol-5-yl)-1-(4-fluorophenyl)-3,4-dihydropyrrolo[1,2-a]pyrazine-2(1H)-carboxamide900001-57-2C21H18FN3O3
- Methyl 6-(2-(5-fluoro-1H-indol-3-yl)ethyl)-2-methyl-5-oxo-5,6-dihydro-1,6-naphthyridine-3-carboxylate1158481-72-1C21H18FN3O3
- 6-Fluoro-3-(3-(4-methoxyphenyl)-1,2,4-oxadiazol-5-yl)-1-propylquinolin-4(1H)-one1226449-17-7C21H18FN3O3
- (4-(Benzo[d][1,3]dioxol-5-ylamino)-6-fluoroquinolin-3-yl)(pyrrolidin-1-yl)methanone1359315-19-7C21H18FN3O3
- Methyl 7-fluoro-1-(quinolin-8-ylcarbamoyl)-3,4-dihydroisoquinoline-2(1H)-carboxylate1396577-69-7C21H18FN3O3
- 1-(4-Fluorophenyl)-5-oxo-N-((5-phenylisoxazol-3-yl)methyl)pyrrolidine-3-carboxamide953008-05-4C21H18FN3O3
- 5-Fluoro-3-methyl-N-{4-[4-(propan-2-yl)phenyl]-1,2,5-oxadiazol-3-yl}-1-benzofuran-2-carboxamide942894-73-7C21H18FN3O3
- 7-Fluoro-3,4-dihydro-4-[(5-isoquinolinyloxy)acetyl]-3,3-dimethyl-2(1H)-quinoxalinone878292-18-3C21H18FN3O3
- 3-(2-Fluorobenzyl)-5-(1,2,3,4-tetrahydroisoquinoline-2-carbonyl)pyrimidine-2,4(1H,3H)-dione1396881-13-2C21H18FN3O3
- 5-[(3-Fluoro-4-methoxyphenyl)methyl]-2-(3-methoxyphenyl)-4H,5H-pyrazolo[1,5-a]pyrazin-4-one2324607-44-3C21H18FN3O3
- 5-[2-(4-Fluorophenoxy)ethyl]-2-(3-methoxyphenyl)-4H,5H-pyrazolo[1,5-a]pyrazin-4-one2325372-38-9C21H18FN3O3
- 3-(Cyclopropylmethyl)-1'-[(4-fluorophenyl)methyl]spiro[imidazolidine-5,3'-indole]-2,2',4-trione3030820-22-2C21H18FN3O3
Frequently asked questions
What is the molar mass of C21H18FN3O3?
The molar mass of C21H18FN3O3 is 379.39 g/mol, calculated from standard atomic weights for 21 carbon atoms, 18 hydrogen atoms, 1 fluorine atom, 3 nitrogen atoms and 3 oxygen atoms. The monoisotopic mass is 379.1332 Da.
How many compounds have the formula C21H18FN3O3?
CompoundList lists 46 compounds with the molecular formula C21H18FN3O3, including 1-(4-Benzoylpiperazin-1-yl)-2-(4-fluoro-1H-indol-3-yl)ethane-1,2-dione, N-[1-(4-Fluorophenyl)-5-oxopyrrolidin-3-yl]-2-(2-methyl-1H-indol-3-yl)-2-oxoacetamide, 7-(Diethylamino)-3-[3-(2-fluorophenyl)-1,2,4-oxadiazol-5-yl]-2H-chromen-2-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 C21H18FN3O3?
C21H18FN3O3 has a degree of unsaturation of 14. 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.