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Molecular formula

C21H17FN2O3S

39 compounds have this formula on CompoundList.

Molar mass
396.44g/mol
Monoisotopic mass
396.0944Da
Atoms
45
Elements
6
Rings plus double bonds
14

The formula C21H17FN2O3S describes a molecule made of 21 carbon atoms, 17 hydrogen atoms, 1 fluorine atom, 2 nitrogen atoms, 3 oxygen atoms and 1 sulfur atom. 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 × 2163.62%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 174.32%
    1.008 × 17 = 17.136 g/mol
  • F Fluorine × 14.79%
    18.998 × 1 = 18.998 g/mol
  • N Nitrogen × 27.07%
    14.007 × 2 = 28.014 g/mol
  • O Oxygen × 312.11%
    15.999 × 3 = 47.997 g/mol
  • S Sulfur × 18.09%
    32.06 × 1 = 32.060 g/mol
Look up another formula

Compounds with the formula C21H17FN2O3S

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

Showing 1 to 39 of 39 compounds

N-(2-Fluorophenyl)-2-(2-(furan-2-yl)-4-oxo-3,4-dihydrobenzo[b][1,4]thiazepin-5(2H)-yl)acetamide chemical structure, C21H17FN2O3S, CAS 863004-86-8
N-(2-Fluorophenyl)-2-(2-(furan-2-yl)-4-oxo-3,4-dihydrobenzo[b][1,4]thiazepin-5(2H)-yl)acetamide
CAS 863004-86-8C21H17FN2O3S
7-(3,4-Dimethoxyphenyl)-3-(4-fluorobenzyl)thieno[3,2-d]pyrimidin-4(3H)-one chemical structure, C21H17FN2O3S, CAS 1105238-90-1
7-(3,4-Dimethoxyphenyl)-3-(4-fluorobenzyl)thieno[3,2-d]pyrimidin-4(3H)-one
CAS 1105238-90-1C21H17FN2O3S
2-((4-Fluorophenyl)thio)-N-(1-(furan-2-carbonyl)indolin-6-yl)acetamide chemical structure, C21H17FN2O3S, CAS 1207037-87-3
2-((4-Fluorophenyl)thio)-N-(1-(furan-2-carbonyl)indolin-6-yl)acetamide
CAS 1207037-87-3C21H17FN2O3S
2-(4-Fluorophenoxy)-N-(1-(thiophene-2-carbonyl)indolin-6-yl)acetamide chemical structure, C21H17FN2O3S, CAS 1021221-00-0
2-(4-Fluorophenoxy)-N-(1-(thiophene-2-carbonyl)indolin-6-yl)acetamide
CAS 1021221-00-0C21H17FN2O3S
Benzyl {[3-cyano-4-(4-fluorophenyl)-6-oxo-1,4,5,6-tetrahydropyridin-2-yl]sulfanyl}acetate chemical structure, C21H17FN2O3S, CAS 330558-05-9
Benzyl {[3-cyano-4-(4-fluorophenyl)-6-oxo-1,4,5,6-tetrahydropyridin-2-yl]sulfanyl}acetate
CAS 330558-05-9C21H17FN2O3S
N-[4-(2,3-Dihydro-1H-indol-1-ylsulfonyl)phenyl]-4-fluorobenzamide chemical structure, C21H17FN2O3S, CAS 316153-88-5
N-[4-(2,3-Dihydro-1H-indol-1-ylsulfonyl)phenyl]-4-fluorobenzamide
CAS 316153-88-5C21H17FN2O3S
4-(2,3-Dihydroindol-1-ylsulfonyl)-N-(4-fluorophenyl)benzamide chemical structure, C21H17FN2O3S, CAS 476633-72-4
4-(2,3-Dihydroindol-1-ylsulfonyl)-N-(4-fluorophenyl)benzamide
CAS 476633-72-4C21H17FN2O3S
Ethyl 5-(4-fluorophenyl)-3-oxo-7-phenyl-2,3-dihydro-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxylate chemical structure, C21H17FN2O3S, CAS 425656-09-3
Ethyl 5-(4-fluorophenyl)-3-oxo-7-phenyl-2,3-dihydro-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxylate
CAS 425656-09-3C21H17FN2O3S
(Z)-Ethyl 2-(5-benzyl-3-(4-fluorophenyl)-4-oxothiazolidin-2-ylidene)-2-cyanoacetate chemical structure, C21H17FN2O3S, CAS 786677-94-9
(Z)-Ethyl 2-(5-benzyl-3-(4-fluorophenyl)-4-oxothiazolidin-2-ylidene)-2-cyanoacetate
CAS 786677-94-9C21H17FN2O3S
5-(3,4-Dimethoxyphenyl)-3-[(2-fluorophenyl)methyl]thieno[2,3-d]pyrimidin-4-one chemical structure, C21H17FN2O3S, CAS 685846-57-5
5-(3,4-Dimethoxyphenyl)-3-[(2-fluorophenyl)methyl]thieno[2,3-d]pyrimidin-4-one
CAS 685846-57-5C21H17FN2O3S
3-((Z)-2,4-Dioxo-5-((E)-3-phenylallylidene)thiazolidin-3-yl)-N-(4-fluorophenyl)propanamide chemical structure, C21H17FN2O3S, CAS 868152-89-0
3-((Z)-2,4-Dioxo-5-((E)-3-phenylallylidene)thiazolidin-3-yl)-N-(4-fluorophenyl)propanamide
CAS 868152-89-0C21H17FN2O3S
(5Z)-5-{4-[(2-Fluorobenzyl)oxy]benzylidene}-1-(prop-2-en-1-yl)-2-thioxodihydropyrimidine-4,6(1H,5H)-dione chemical structure, C21H17FN2O3S, CAS 5972-00-9
(5Z)-5-{4-[(2-Fluorobenzyl)oxy]benzylidene}-1-(prop-2-en-1-yl)-2-thioxodihydropyrimidine-4,6(1H,5H)-dione
CAS 5972-00-9C21H17FN2O3S
(E)-N-[4-[(4-Fluorophenyl)sulfamoyl]phenyl]-3-phenylprop-2-enamide chemical structure, C21H17FN2O3S, CAS 349470-39-9
(E)-N-[4-[(4-Fluorophenyl)sulfamoyl]phenyl]-3-phenylprop-2-enamide
CAS 349470-39-9C21H17FN2O3S
4-(3-Fluorobenzyl)-2-(o-tolyl)-2H-benzo[e][1,2,4]thiadiazin-3(4H)-one 1,1-dioxide chemical structure, C21H17FN2O3S, CAS 941955-24-4
4-(3-Fluorobenzyl)-2-(o-tolyl)-2H-benzo[e][1,2,4]thiadiazin-3(4H)-one 1,1-dioxide
CAS 941955-24-4C21H17FN2O3S
4-(4-Fluorobenzyl)-2-(o-tolyl)-2H-benzo[e][1,2,4]thiadiazin-3(4H)-one 1,1-dioxide chemical structure, C21H17FN2O3S, CAS 941912-97-6
4-(4-Fluorobenzyl)-2-(o-tolyl)-2H-benzo[e][1,2,4]thiadiazin-3(4H)-one 1,1-dioxide
CAS 941912-97-6C21H17FN2O3S
1-(3-Fluoro-4-methoxybenzyl)-3-(3-methylphenyl)thieno[3,2-d]pyrimidine-2,4(1H,3H)-dione chemical structure, C21H17FN2O3S, CAS 1326928-03-3
1-(3-Fluoro-4-methoxybenzyl)-3-(3-methylphenyl)thieno[3,2-d]pyrimidine-2,4(1H,3H)-dione
CAS 1326928-03-3C21H17FN2O3S
3-Fluoro-4-methoxy-N-(1-(thiophene-2-carbonyl)indolin-6-yl)benzamide chemical structure, C21H17FN2O3S, CAS 1448059-70-8
3-Fluoro-4-methoxy-N-(1-(thiophene-2-carbonyl)indolin-6-yl)benzamide
CAS 1448059-70-8C21H17FN2O3S
N1-((5-benzoylthiophen-2-yl)methyl)-N2-(3-fluoro-4-methylphenyl)oxalamide chemical structure, C21H17FN2O3S, CAS 1798023-27-4
N1-((5-benzoylthiophen-2-yl)methyl)-N2-(3-fluoro-4-methylphenyl)oxalamide
CAS 1798023-27-4C21H17FN2O3S
(5Z)-5-[[3-[(4-Fluorophenyl)methoxy]phenyl]methylidene]-1-prop-2-enyl-2-sulfanylidene-1,3-diazinane-4,6-dione chemical structure, C21H17FN2O3S, CAS 347396-08-1
(5Z)-5-[[3-[(4-Fluorophenyl)methoxy]phenyl]methylidene]-1-prop-2-enyl-2-sulfanylidene-1,3-diazinane-4,6-dione
CAS 347396-08-1C21H17FN2O3S
4-(3-Fluorobenzyl)-2-(4-methylphenyl)-2H-1,2,4-benzothiadiazin-3(4H)-one 1,1-dioxide chemical structure, C21H17FN2O3S, CAS 872207-27-7
4-(3-Fluorobenzyl)-2-(4-methylphenyl)-2H-1,2,4-benzothiadiazin-3(4H)-one 1,1-dioxide
CAS 872207-27-7C21H17FN2O3S
(5Z)-5-[[2-[(2-Fluorophenyl)methoxy]phenyl]methylidene]-1-prop-2-enyl-2-sulfanylidene-1,3-diazinane-4,6-dione chemical structure, C21H17FN2O3S, CAS 347394-93-8
(5Z)-5-[[2-[(2-Fluorophenyl)methoxy]phenyl]methylidene]-1-prop-2-enyl-2-sulfanylidene-1,3-diazinane-4,6-dione
CAS 347394-93-8C21H17FN2O3S
4-(2-Fluorobenzyl)-2-(2-methylphenyl)-2H-1,2,4-benzothiadiazin-3(4H)-one 1,1-dioxide chemical structure, C21H17FN2O3S, CAS 941882-43-5
4-(2-Fluorobenzyl)-2-(2-methylphenyl)-2H-1,2,4-benzothiadiazin-3(4H)-one 1,1-dioxide
CAS 941882-43-5C21H17FN2O3S
N-(3-Fluorophenyl)-2-(2-(furan-2-yl)-4-oxo-3,4-dihydrobenzo[b][1,4]thiazepin-5(2H)-yl)acetamide chemical structure, C21H17FN2O3S, CAS 863004-87-9
N-(3-Fluorophenyl)-2-(2-(furan-2-yl)-4-oxo-3,4-dihydrobenzo[b][1,4]thiazepin-5(2H)-yl)acetamide
CAS 863004-87-9C21H17FN2O3S
4-(2-Fluorobenzyl)-2-(3-methylphenyl)-2H-1,2,4-benzothiadiazin-3(4H)-one 1,1-dioxide chemical structure, C21H17FN2O3S, CAS 895650-29-0
4-(2-Fluorobenzyl)-2-(3-methylphenyl)-2H-1,2,4-benzothiadiazin-3(4H)-one 1,1-dioxide
CAS 895650-29-0C21H17FN2O3S

Frequently asked questions

What is the molar mass of C21H17FN2O3S?

The molar mass of C21H17FN2O3S is 396.44 g/mol, calculated from standard atomic weights for 21 carbon atoms, 17 hydrogen atoms, 1 fluorine atom, 2 nitrogen atoms, 3 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 396.0944 Da.

How many compounds have the formula C21H17FN2O3S?

CompoundList lists 39 compounds with the molecular formula C21H17FN2O3S, including N-(2-Fluorophenyl)-2-(2-(furan-2-yl)-4-oxo-3,4-dihydrobenzo[b][1,4]thiazepin-5(2H)-yl)acetamide, 7-(3,4-Dimethoxyphenyl)-3-(4-fluorobenzyl)thieno[3,2-d]pyrimidin-4(3H)-one, 2-((4-Fluorophenyl)thio)-N-(1-(furan-2-carbonyl)indolin-6-yl)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 C21H17FN2O3S?

C21H17FN2O3S 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.