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Molecular formula

C21H18FN3O3S2

33 compounds have this formula on CompoundList.

Molar mass
443.51g/mol
Monoisotopic mass
443.0774Da
Atoms
48
Elements
6
Rings plus double bonds
14

The formula C21H18FN3O3S2 describes a molecule made of 21 carbon atoms, 18 hydrogen atoms, 1 fluorine atom, 3 nitrogen atoms, 3 oxygen atoms and 2 sulfur 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 × 2156.87%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 184.09%
    1.008 × 18 = 18.144 g/mol
  • F Fluorine × 14.28%
    18.998 × 1 = 18.998 g/mol
  • N Nitrogen × 39.47%
    14.007 × 3 = 42.021 g/mol
  • O Oxygen × 310.82%
    15.999 × 3 = 47.997 g/mol
  • S Sulfur × 214.46%
    32.06 × 2 = 64.120 g/mol
Look up another formula

Compounds with the formula C21H18FN3O3S2

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

Showing 1 to 33 of 33 compounds

N-(4-Fluorophenyl)-2-((3-(2-methoxyphenyl)-4-oxo-3,4,6,7-tetrahydrothieno[3,2-d]pyrimidin-2-yl)thio)acetamide chemical structure, C21H18FN3O3S2, CAS 686772-05-4
N-(4-Fluorophenyl)-2-((3-(2-methoxyphenyl)-4-oxo-3,4,6,7-tetrahydrothieno[3,2-d]pyrimidin-2-yl)thio)acetamide
CAS 686772-05-4C21H18FN3O3S2
2-((3-(4-Fluorophenyl)-4-oxo-3,4,6,7-tetrahydrothieno[3,2-d]pyrimidin-2-yl)thio)-N-(4-methoxyphenyl)acetamide chemical structure, C21H18FN3O3S2, CAS 362501-57-3
2-((3-(4-Fluorophenyl)-4-oxo-3,4,6,7-tetrahydrothieno[3,2-d]pyrimidin-2-yl)thio)-N-(4-methoxyphenyl)acetamide
CAS 362501-57-3C21H18FN3O3S2
5-Ethyl-N-[2-fluoro-5-(2-methyl-4-oxo-3(4H)-quinazolinyl)phenyl]-2-thiophenesulfonamide chemical structure, C21H18FN3O3S2, CAS 899758-61-3
5-Ethyl-N-[2-fluoro-5-(2-methyl-4-oxo-3(4H)-quinazolinyl)phenyl]-2-thiophenesulfonamide
CAS 899758-61-3C21H18FN3O3S2
N-(2-Fluorophenyl)-2-((3-(2-methoxyphenyl)-4-oxo-3,4,6,7-tetrahydrothieno[3,2-d]pyrimidin-2-yl)thio)acetamide chemical structure, C21H18FN3O3S2, CAS 686772-06-5
N-(2-Fluorophenyl)-2-((3-(2-methoxyphenyl)-4-oxo-3,4,6,7-tetrahydrothieno[3,2-d]pyrimidin-2-yl)thio)acetamide
CAS 686772-06-5C21H18FN3O3S2
N-(3-Fluorophenyl)-2-[[3-(2-methoxyphenyl)-4-oxo-6,7-dihydrothieno[3,2-d]pyrimidin-2-yl]sulfanyl]acetamide chemical structure, C21H18FN3O3S2, CAS 686772-21-4
N-(3-Fluorophenyl)-2-[[3-(2-methoxyphenyl)-4-oxo-6,7-dihydrothieno[3,2-d]pyrimidin-2-yl]sulfanyl]acetamide
CAS 686772-21-4C21H18FN3O3S2
5-Ethyl-N-[3-(4-fluorophenyl)-2-methyl-4-oxo-3,4-dihydroquinazolin-6-yl]thiophene-2-sulfonamide chemical structure, C21H18FN3O3S2, CAS 1105208-43-2
5-Ethyl-N-[3-(4-fluorophenyl)-2-methyl-4-oxo-3,4-dihydroquinazolin-6-yl]thiophene-2-sulfonamide
CAS 1105208-43-2C21H18FN3O3S2
N-(3-Fluoro-4-methylphenyl)-N-methyl-2-[3-(3-methylphenyl)-1,2,4-oxadiazol-5-yl]thiophene-3-sulfonamide chemical structure, C21H18FN3O3S2, CAS 1040680-98-5
N-(3-Fluoro-4-methylphenyl)-N-methyl-2-[3-(3-methylphenyl)-1,2,4-oxadiazol-5-yl]thiophene-3-sulfonamide
CAS 1040680-98-5C21H18FN3O3S2
N-{4-[5-(3-Fluorophenyl)-1-(thiophene-2-carbonyl)-4,5-dihydro-1H-pyrazol-3-yl]phenyl}methanesulfonamide chemical structure, C21H18FN3O3S2, CAS 851718-03-1
N-{4-[5-(3-Fluorophenyl)-1-(thiophene-2-carbonyl)-4,5-dihydro-1H-pyrazol-3-yl]phenyl}methanesulfonamide
CAS 851718-03-1C21H18FN3O3S2
N-{4-[5-(2-Fluorophenyl)-1-(thiophene-2-carbonyl)-4,5-dihydro-1H-pyrazol-3-yl]phenyl}methanesulfonamide chemical structure, C21H18FN3O3S2, CAS 833439-47-7
N-{4-[5-(2-Fluorophenyl)-1-(thiophene-2-carbonyl)-4,5-dihydro-1H-pyrazol-3-yl]phenyl}methanesulfonamide
CAS 833439-47-7C21H18FN3O3S2
4-Fluoro-N-({4-[methyl(phenyl)sulfamoyl]phenyl}carbamothioyl)benzamide chemical structure, C21H18FN3O3S2, CAS 791792-87-5
4-Fluoro-N-({4-[methyl(phenyl)sulfamoyl]phenyl}carbamothioyl)benzamide
CAS 791792-87-5C21H18FN3O3S2
N-(2-(5-(2-Fluorophenyl)-1-(thiophene-2-carbonyl)-4,5-dihydro-1H-pyrazol-3-yl)phenyl)methanesulfonamide chemical structure, C21H18FN3O3S2, CAS 923194-63-2
N-(2-(5-(2-Fluorophenyl)-1-(thiophene-2-carbonyl)-4,5-dihydro-1H-pyrazol-3-yl)phenyl)methanesulfonamide
CAS 923194-63-2C21H18FN3O3S2
Ethyl 4-({2-[(4-fluorobenzoyl)amino]phenyl}sulfanyl)-2-(methylsulfanyl)-5-pyrimidinecarboxylate chemical structure, C21H18FN3O3S2, CAS 478079-36-6
Ethyl 4-({2-[(4-fluorobenzoyl)amino]phenyl}sulfanyl)-2-(methylsulfanyl)-5-pyrimidinecarboxylate
CAS 478079-36-6C21H18FN3O3S2
N-{3-[5-(4-Fluorophenyl)-1-(thiophene-2-carbonyl)-4,5-dihydro-1H-pyrazol-3-yl]phenyl}methanesulfonamide chemical structure, C21H18FN3O3S2, CAS 851718-60-0
N-{3-[5-(4-Fluorophenyl)-1-(thiophene-2-carbonyl)-4,5-dihydro-1H-pyrazol-3-yl]phenyl}methanesulfonamide
CAS 851718-60-0C21H18FN3O3S2
2-[6-Ethyl-3-(furan-2-ylmethyl)-4-oxothieno[2,3-d]pyrimidin-2-yl]sulfanyl-N-(2-fluorophenyl)acetamide chemical structure, C21H18FN3O3S2, CAS 878683-18-2
2-[6-Ethyl-3-(furan-2-ylmethyl)-4-oxothieno[2,3-d]pyrimidin-2-yl]sulfanyl-N-(2-fluorophenyl)acetamide
CAS 878683-18-2C21H18FN3O3S2
2-{2,4-Dioxo-3-[2-(thiophen-2-yl)ethyl]-1H,2H,3H,4H-thieno[3,2-d]pyrimidin-1-yl}-N-(3-fluoro-4-methylphenyl)acetamide chemical structure, C21H18FN3O3S2, CAS 1260916-87-7
2-{2,4-Dioxo-3-[2-(thiophen-2-yl)ethyl]-1H,2H,3H,4H-thieno[3,2-d]pyrimidin-1-yl}-N-(3-fluoro-4-methylphenyl)acetamide
CAS 1260916-87-7C21H18FN3O3S2
N-(4-Fluorophenyl)-2-[3-(2-furylmethyl)-5,6-dimethyl-4-oxo(3-hydrothiopheno[2, 3-d]pyrimidin-2-ylthio)]acetamide chemical structure, C21H18FN3O3S2, CAS 578004-39-4
N-(4-Fluorophenyl)-2-[3-(2-furylmethyl)-5,6-dimethyl-4-oxo(3-hydrothiopheno[2, 3-d]pyrimidin-2-ylthio)]acetamide
CAS 578004-39-4C21H18FN3O3S2
N-(2-Fluorophenyl)-2-{[3-(furan-2-ylmethyl)-5,6-dimethyl-4-oxo-3,4-dihydrothieno[2,3-d]pyrimidin-2-yl]sulfanyl}acetamide chemical structure, C21H18FN3O3S2, CAS 585563-61-7
N-(2-Fluorophenyl)-2-{[3-(furan-2-ylmethyl)-5,6-dimethyl-4-oxo-3,4-dihydrothieno[2,3-d]pyrimidin-2-yl]sulfanyl}acetamide
CAS 585563-61-7C21H18FN3O3S2
N-(3-(5-(3-Fluorophenyl)-1-(thiophene-2-carbonyl)-4,5-dihydro-1H-pyrazol-3-yl)phenyl)methanesulfonamide chemical structure, C21H18FN3O3S2, CAS 851719-19-2
N-(3-(5-(3-Fluorophenyl)-1-(thiophene-2-carbonyl)-4,5-dihydro-1H-pyrazol-3-yl)phenyl)methanesulfonamide
CAS 851719-19-2C21H18FN3O3S2
3-[(5Z)-2,4-Dioxo-5-(thiophen-2-ylmethylidene)-1,3-thiazolidin-3-yl]-N-[2-(5-fluoro-1H-indol-3-yl)ethyl]propanamide chemical structure, C21H18FN3O3S2, CAS 902020-92-2
3-[(5Z)-2,4-Dioxo-5-(thiophen-2-ylmethylidene)-1,3-thiazolidin-3-yl]-N-[2-(5-fluoro-1H-indol-3-yl)ethyl]propanamide
CAS 902020-92-2C21H18FN3O3S2
N-(2-(5-(4-Fluorophenyl)-1-(thiophene-2-carbonyl)-4,5-dihydro-1H-pyrazol-3-yl)phenyl)methanesulfonamide chemical structure, C21H18FN3O3S2, CAS 923192-63-6
N-(2-(5-(4-Fluorophenyl)-1-(thiophene-2-carbonyl)-4,5-dihydro-1H-pyrazol-3-yl)phenyl)methanesulfonamide
CAS 923192-63-6C21H18FN3O3S2
N-(4-Acetamidophenyl)-2-(2-{[2-(4-fluorophenyl)-2-oxoethyl]sulfanyl}-1,3-thiazol-4-yl)acetamide chemical structure, C21H18FN3O3S2, CAS 946199-98-0
N-(4-Acetamidophenyl)-2-(2-{[2-(4-fluorophenyl)-2-oxoethyl]sulfanyl}-1,3-thiazol-4-yl)acetamide
CAS 946199-98-0C21H18FN3O3S2
(Z)-N-(6-Fluoro-3-(prop-2-yn-1-yl)benzo[d]thiazol-2(3H)-ylidene)-4-(pyrrolidin-1-ylsulfonyl)benzamide chemical structure, C21H18FN3O3S2, CAS 941871-77-8
(Z)-N-(6-Fluoro-3-(prop-2-yn-1-yl)benzo[d]thiazol-2(3H)-ylidene)-4-(pyrrolidin-1-ylsulfonyl)benzamide
CAS 941871-77-8C21H18FN3O3S2
2-((6-Ethyl-3-(furan-2-ylmethyl)-4-oxo-3,4-dihydrothieno[2,3-d]pyrimidin-2-yl)thio)-N-(4-fluorophenyl)acetamide chemical structure, C21H18FN3O3S2, CAS 923216-90-4
2-((6-Ethyl-3-(furan-2-ylmethyl)-4-oxo-3,4-dihydrothieno[2,3-d]pyrimidin-2-yl)thio)-N-(4-fluorophenyl)acetamide
CAS 923216-90-4C21H18FN3O3S2
N-(2-Fluorophenyl)-2-((3-(3-methoxyphenyl)-4-oxo-3,4,6,7-tetrahydrothieno[3,2-d]pyrimidin-2-yl)thio)acetamide chemical structure, C21H18FN3O3S2, CAS 877654-98-3
N-(2-Fluorophenyl)-2-((3-(3-methoxyphenyl)-4-oxo-3,4,6,7-tetrahydrothieno[3,2-d]pyrimidin-2-yl)thio)acetamide
CAS 877654-98-3C21H18FN3O3S2

Frequently asked questions

What is the molar mass of C21H18FN3O3S2?

The molar mass of C21H18FN3O3S2 is 443.51 g/mol, calculated from standard atomic weights for 21 carbon atoms, 18 hydrogen atoms, 1 fluorine atom, 3 nitrogen atoms, 3 oxygen atoms and 2 sulfur atoms. The monoisotopic mass is 443.0774 Da.

How many compounds have the formula C21H18FN3O3S2?

CompoundList lists 33 compounds with the molecular formula C21H18FN3O3S2, including N-(4-Fluorophenyl)-2-((3-(2-methoxyphenyl)-4-oxo-3,4,6,7-tetrahydrothieno[3,2-d]pyrimidin-2-yl)thio)acetamide, 2-((3-(4-Fluorophenyl)-4-oxo-3,4,6,7-tetrahydrothieno[3,2-d]pyrimidin-2-yl)thio)-N-(4-methoxyphenyl)acetamide, 5-Ethyl-N-[2-fluoro-5-(2-methyl-4-oxo-3(4H)-quinazolinyl)phenyl]-2-thiophenesulfonamide. 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 C21H18FN3O3S2?

C21H18FN3O3S2 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.