CompoundList
Sign in
Molecular formula

C18H21FN2O3

32 compounds have this formula on CompoundList.

Molar mass
332.38g/mol
Monoisotopic mass
332.1536Da
Atoms
45
Elements
5
Rings plus double bonds
9

The formula C18H21FN2O3 describes a molecule made of 18 carbon atoms, 21 hydrogen atoms, 1 fluorine atom, 2 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 × 1865.05%
    12.011 × 18 = 216.198 g/mol
  • H Hydrogen × 216.37%
    1.008 × 21 = 21.168 g/mol
  • F Fluorine × 15.72%
    18.998 × 1 = 18.998 g/mol
  • N Nitrogen × 28.43%
    14.007 × 2 = 28.014 g/mol
  • O Oxygen × 314.44%
    15.999 × 3 = 47.997 g/mol
Look up another formula

Compounds with the formula C18H21FN2O3

Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.

Showing 1 to 32 of 32 compounds

Cyclohexyl 4-(4-fluorophenyl)-6-methyl-2-oxo-1,2,3,4-tetrahydropyrimidine-5-carboxylate chemical structure, C18H21FN2O3, CAS 347353-53-1
Cyclohexyl 4-(4-fluorophenyl)-6-methyl-2-oxo-1,2,3,4-tetrahydropyrimidine-5-carboxylate
CAS 347353-53-1C18H21FN2O3
Ethyl 1-ethyl-6-fluoro-4-oxo-7-(pyrrolidin-1-yl)-1,4-dihydroquinoline-3-carboxylate chemical structure, C18H21FN2O3, CAS 340746-30-7
Ethyl 1-ethyl-6-fluoro-4-oxo-7-(pyrrolidin-1-yl)-1,4-dihydroquinoline-3-carboxylate
CAS 340746-30-7C18H21FN2O3
Isoxazole, 5-(5-(4-(4,5-dihydro-2-oxazolyl)-2-fluorophenoxy)pentyl)-3-methyl- chemical structure, C18H21FN2O3, CAS 98033-69-3
Isoxazole, 5-(5-(4-(4,5-dihydro-2-oxazolyl)-2-fluorophenoxy)pentyl)-3-methyl-
CAS 98033-69-3C18H21FN2O3
6-[4-(4-Fluorophenyl)piperazine-1-carbonyl]cyclohex-3-ene-1-carboxylic acid chemical structure, C18H21FN2O3, CAS 328285-88-7
6-[4-(4-Fluorophenyl)piperazine-1-carbonyl]cyclohex-3-ene-1-carboxylic acid
CAS 328285-88-7C18H21FN2O3
Ethyl 5'-fluoro-1'-methyl-2'-oxospiro[1,2,5,6,7,8-hexahydropyrrolizine-3,3'-indole]-1-carboxylate chemical structure, C18H21FN2O3, CAS 1005095-76-0
Ethyl 5'-fluoro-1'-methyl-2'-oxospiro[1,2,5,6,7,8-hexahydropyrrolizine-3,3'-indole]-1-carboxylate
CAS 1005095-76-0C18H21FN2O3
1-Ethyl-6-fluoro-7-(4-methylpiperidin-1-yl)-4-oxo-1,4-dihydroquinoline-3-carboxylic acid chemical structure, C18H21FN2O3, CAS 153114-24-0
1-Ethyl-6-fluoro-7-(4-methylpiperidin-1-yl)-4-oxo-1,4-dihydroquinoline-3-carboxylic acid
CAS 153114-24-0C18H21FN2O3
N-{2-[(2,5-Dimethoxybenzyl)amino]ethyl}-2-fluorobenzamide chemical structure, C18H21FN2O3, CAS 701275-62-9
N-{2-[(2,5-Dimethoxybenzyl)amino]ethyl}-2-fluorobenzamide
CAS 701275-62-9C18H21FN2O3
Ethyl 4-((4-fluorobenzyl)carbamoyl)-1,3,5-trimethyl-1H-pyrrole-2-carboxylate chemical structure, C18H21FN2O3, CAS 847462-76-4
Ethyl 4-((4-fluorobenzyl)carbamoyl)-1,3,5-trimethyl-1H-pyrrole-2-carboxylate
CAS 847462-76-4C18H21FN2O3
2-(5-((2-Fluorobenzyl)oxy)-2-methyl-4-oxopyridin-1(4H)-yl)-N-isopropylacetamide chemical structure, C18H21FN2O3, CAS 941885-31-0
2-(5-((2-Fluorobenzyl)oxy)-2-methyl-4-oxopyridin-1(4H)-yl)-N-isopropylacetamide
CAS 941885-31-0C18H21FN2O3
1-(2-(2-Fluorophenyl)-2-methoxypropyl)-3-(2-methoxyphenyl)urea chemical structure, C18H21FN2O3, CAS 1797900-56-1
1-(2-(2-Fluorophenyl)-2-methoxypropyl)-3-(2-methoxyphenyl)urea
CAS 1797900-56-1C18H21FN2O3
2-(4-Fluorophenoxy)-N-[2-(furan-2-yl)-2-(pyrrolidin-1-yl)ethyl]acetamide chemical structure, C18H21FN2O3, CAS 1019143-78-2
2-(4-Fluorophenoxy)-N-[2-(furan-2-yl)-2-(pyrrolidin-1-yl)ethyl]acetamide
CAS 1019143-78-2C18H21FN2O3
2-(4-Fluorophenyl)-N-(2-(furan-2-yl)-2-morpholinoethyl)acetamide chemical structure, C18H21FN2O3, CAS 1211390-85-0
2-(4-Fluorophenyl)-N-(2-(furan-2-yl)-2-morpholinoethyl)acetamide
CAS 1211390-85-0C18H21FN2O3
Methyl {1-[(6-fluoro-1H-indol-1-yl)acetyl]piperidin-4-yl}acetate chemical structure, C18H21FN2O3, CAS 1282133-27-0
Methyl {1-[(6-fluoro-1H-indol-1-yl)acetyl]piperidin-4-yl}acetate
CAS 1282133-27-0C18H21FN2O3
N-(2-(7-Fluoro-3-oxo-2,3-dihydrobenzo[f][1,4]oxazepin-4(5H)-yl)ethyl)cyclohex-3-enecarboxamide chemical structure, C18H21FN2O3, CAS 2034503-20-1
N-(2-(7-Fluoro-3-oxo-2,3-dihydrobenzo[f][1,4]oxazepin-4(5H)-yl)ethyl)cyclohex-3-enecarboxamide
CAS 2034503-20-1C18H21FN2O3
2-[4-({[2-(2-Fluorophenyl)ethyl]amino}methyl)-2-methoxyphenoxy]acetamide chemical structure, C18H21FN2O3, CAS 881040-18-2
2-[4-({[2-(2-Fluorophenyl)ethyl]amino}methyl)-2-methoxyphenoxy]acetamide
CAS 881040-18-2C18H21FN2O3
2-[2-({[2-(2-Fluorophenyl)ethyl]amino}methyl)-6-methoxyphenoxy]acetamide chemical structure, C18H21FN2O3, CAS 881449-19-0
2-[2-({[2-(2-Fluorophenyl)ethyl]amino}methyl)-6-methoxyphenoxy]acetamide
CAS 881449-19-0C18H21FN2O3
1,1-Dimethylethyl 4-cyano-4-(4-fluorobenzoyl)-1-piperidinecarboxylate chemical structure, C18H21FN2O3, CAS 894769-57-4
1,1-Dimethylethyl 4-cyano-4-(4-fluorobenzoyl)-1-piperidinecarboxylate
CAS 894769-57-4C18H21FN2O3
1-(2-Fluorophenyl)-3-(2-hydroxy-3-(4-methoxyphenyl)-2-methylpropyl)urea chemical structure, C18H21FN2O3, CAS 1396676-67-7
1-(2-Fluorophenyl)-3-(2-hydroxy-3-(4-methoxyphenyl)-2-methylpropyl)urea
CAS 1396676-67-7C18H21FN2O3
N-(4-Cyanooxan-4-yl)-3-(cyclopropylmethoxymethyl)-4-fluorobenzamide chemical structure, C18H21FN2O3, CAS 1385353-48-9
N-(4-Cyanooxan-4-yl)-3-(cyclopropylmethoxymethyl)-4-fluorobenzamide
CAS 1385353-48-9C18H21FN2O3
1-(2-(3-Fluorophenyl)-2-methoxyethyl)-3-(2-phenoxyethyl)urea chemical structure, C18H21FN2O3, CAS 1797877-16-7
1-(2-(3-Fluorophenyl)-2-methoxyethyl)-3-(2-phenoxyethyl)urea
CAS 1797877-16-7C18H21FN2O3
1-(2-Fluorophenyl)-3-(2-(2-hydroxyethoxy)-2-(p-tolyl)ethyl)urea chemical structure, C18H21FN2O3, CAS 1705251-08-6
1-(2-Fluorophenyl)-3-(2-(2-hydroxyethoxy)-2-(p-tolyl)ethyl)urea
CAS 1705251-08-6C18H21FN2O3
1-({1-[3-(3-Fluoro-4-methylphenyl)propanoyl]azetidin-3-yl}methyl)pyrrolidine-2,5-dione chemical structure, C18H21FN2O3, CAS 2194847-79-3
1-({1-[3-(3-Fluoro-4-methylphenyl)propanoyl]azetidin-3-yl}methyl)pyrrolidine-2,5-dione
CAS 2194847-79-3C18H21FN2O3
(S)-1-Acryloyl-N-(8-fluorochroman-4-yl)piperidine-4-carboxamide chemical structure, C18H21FN2O3, CAS 2361575-53-1
(S)-1-Acryloyl-N-(8-fluorochroman-4-yl)piperidine-4-carboxamide
CAS 2361575-53-1C18H21FN2O3
1-(4-(8-Fluoro-2,3,4,5-tetrahydrobenzo[f][1,4]oxazepine-4-carbonyl)piperidin-1-yl)prop-2-en-1-one chemical structure, C18H21FN2O3, CAS 2361728-25-6
1-(4-(8-Fluoro-2,3,4,5-tetrahydrobenzo[f][1,4]oxazepine-4-carbonyl)piperidin-1-yl)prop-2-en-1-one
CAS 2361728-25-6C18H21FN2O3

Frequently asked questions

What is the molar mass of C18H21FN2O3?

The molar mass of C18H21FN2O3 is 332.38 g/mol, calculated from standard atomic weights for 18 carbon atoms, 21 hydrogen atoms, 1 fluorine atom, 2 nitrogen atoms and 3 oxygen atoms. The monoisotopic mass is 332.1536 Da.

How many compounds have the formula C18H21FN2O3?

CompoundList lists 32 compounds with the molecular formula C18H21FN2O3, including Cyclohexyl 4-(4-fluorophenyl)-6-methyl-2-oxo-1,2,3,4-tetrahydropyrimidine-5-carboxylate, Ethyl 1-ethyl-6-fluoro-4-oxo-7-(pyrrolidin-1-yl)-1,4-dihydroquinoline-3-carboxylate, Isoxazole, 5-(5-(4-(4,5-dihydro-2-oxazolyl)-2-fluorophenoxy)pentyl)-3-methyl-. 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 C18H21FN2O3?

C18H21FN2O3 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.