Molecular formula
C21H16FN3O3S
49 compounds have this formula on CompoundList.
- Molar mass
- 409.44g/mol
- Monoisotopic mass
- 409.0896Da
- Atoms
- 45
- Elements
- 6
- Rings plus double bonds
- 15
The formula C21H16FN3O3S describes a molecule made of 21 carbon atoms, 16 hydrogen atoms, 1 fluorine atom, 3 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 × 2161.60%12.011 × 21 = 252.231 g/mol
- H Hydrogen × 163.94%1.008 × 16 = 16.128 g/mol
- F Fluorine × 14.64%18.998 × 1 = 18.998 g/mol
- N Nitrogen × 310.26%14.007 × 3 = 42.021 g/mol
- O Oxygen × 311.72%15.999 × 3 = 47.997 g/mol
- S Sulfur × 17.83%32.06 × 1 = 32.060 g/mol
Look up another formula
Compounds with the formula C21H16FN3O3S
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 49 of 49 compounds
N-(4-Fluorophenyl)-2-methyl-5-(4-oxo-3H-phthalazin-1-yl)benzenesulfonamide
CAS 371142-57-3C21H16FN3O3S
2-(2-Fluorophenyl)-4-(phenylsulfonyl)-N-(3-pyridinylmethyl)-1,3-oxazol-5-amine
CAS 823829-81-8C21H16FN3O3S
![N-[(2H-1,3-Benzodioxol-5-yl)methyl]-6-(4-fluorophenyl)-3-methylimidazo[2,1-b][1,3]thiazole-2-carboxamide chemical structure, C21H16FN3O3S, CAS 852134-14-6](/s/MPAREXIMARHSPT-UHFFFAOYSA-N.svg)
N-[(2H-1,3-Benzodioxol-5-yl)methyl]-6-(4-fluorophenyl)-3-methylimidazo[2,1-b][1,3]thiazole-2-carboxamide
CAS 852134-14-6C21H16FN3O3S
![4-Fluoro-N-[4-(2-methyl-4-oxoquinazolin-3-yl)phenyl]benzenesulfonamide chemical structure, C21H16FN3O3S, CAS 898438-71-6](/s/HOJLIYUFQHHUQD-UHFFFAOYSA-N.svg)
4-Fluoro-N-[4-(2-methyl-4-oxoquinazolin-3-yl)phenyl]benzenesulfonamide
CAS 898438-71-6C21H16FN3O3S
![4-(3-Fluorophenyl)-2-(4-vinylbenzyl)-2H-pyrido[2,3-e][1,2,4]thiadiazin-3(4H)-one 1,1-dioxide chemical structure, C21H16FN3O3S, CAS 1251547-98-4](/s/HQFYZDJMZKNUOL-UHFFFAOYSA-N.svg)
4-(3-Fluorophenyl)-2-(4-vinylbenzyl)-2H-pyrido[2,3-e][1,2,4]thiadiazin-3(4H)-one 1,1-dioxide
CAS 1251547-98-4C21H16FN3O3S
![4-(4-Fluorophenyl)-2-(4-vinylbenzyl)-2H-pyrido[2,3-e][1,2,4]thiadiazin-3(4H)-one 1,1-dioxide chemical structure, C21H16FN3O3S, CAS 1251606-51-5](/s/ZRMZBYPBVYWHGP-UHFFFAOYSA-N.svg)
4-(4-Fluorophenyl)-2-(4-vinylbenzyl)-2H-pyrido[2,3-e][1,2,4]thiadiazin-3(4H)-one 1,1-dioxide
CAS 1251606-51-5C21H16FN3O3S
![(2Z)-3-(2H-1,3-Benzodioxol-5-yl)-N-[2-(4-fluorophenyl)-2H,4H,6H-thieno[3,4-c]pyrazol-3-yl]prop-2-enamide chemical structure, C21H16FN3O3S](/s/AVQZOKHCSUFGFV-KRXBUXKQSA-N.svg)
(2Z)-3-(2H-1,3-Benzodioxol-5-yl)-N-[2-(4-fluorophenyl)-2H,4H,6H-thieno[3,4-c]pyrazol-3-yl]prop-2-enamide
C21H16FN3O3S
![2-(2-Fluorophenoxy)-N-(3-(7-methyl-5-oxo-5H-thiazolo[3,2-a]pyrimidin-3-yl)phenyl)acetamide chemical structure, C21H16FN3O3S, CAS 1021116-15-3](/s/WYDOVIFJKVNZAT-UHFFFAOYSA-N.svg)
2-(2-Fluorophenoxy)-N-(3-(7-methyl-5-oxo-5H-thiazolo[3,2-a]pyrimidin-3-yl)phenyl)acetamide
CAS 1021116-15-3C21H16FN3O3S
4-(4-Fluorobenzoyl)-3-hydroxy-1-(5-methyl-1,3,4-thiadiazol-2-yl)-5-(4-methylphenyl)-2,5-dihydro-1H-pyrrol-2-one
CAS 431916-97-1C21H16FN3O3S
![5-(4-Fluorophenyl)-3-hydroxy-4-[(4-methylphenyl)carbonyl]-1-(5-methyl-1,3,4-thiadiazol-2-yl)-1,5-dihydro-2H-pyrrol-2-one chemical structure, C21H16FN3O3S, CAS 371210-21-8](/s/FORBNAGOAXKFGR-FBMGVBCBSA-N.svg)
5-(4-Fluorophenyl)-3-hydroxy-4-[(4-methylphenyl)carbonyl]-1-(5-methyl-1,3,4-thiadiazol-2-yl)-1,5-dihydro-2H-pyrrol-2-one
CAS 371210-21-8C21H16FN3O3S
![N-(2-(1H-Benzo[d]imidazol-2-yl)phenyl)-2-((4-fluorophenyl)sulfonyl)acetamide chemical structure, C21H16FN3O3S, CAS 895473-16-2](/s/JDYQDLUJDIQPOO-UHFFFAOYSA-N.svg)
N-(2-(1H-Benzo[d]imidazol-2-yl)phenyl)-2-((4-fluorophenyl)sulfonyl)acetamide
CAS 895473-16-2C21H16FN3O3S
![4-((2-(5-(1,3-Dioxolan-2-yl)pyridin-2-yl)thieno[3,2-b]pyridin-7-yl)oxy)-3-fluoroaniline chemical structure, C21H16FN3O3S, CAS 1123837-62-6](/s/FDOVNWKUAOUPQM-UHFFFAOYSA-N.svg)
4-((2-(5-(1,3-Dioxolan-2-yl)pyridin-2-yl)thieno[3,2-b]pyridin-7-yl)oxy)-3-fluoroaniline
CAS 1123837-62-6C21H16FN3O3S
4-Ethyl-N-(2-(3-fluoro-4-methylbenzoyl)benzofuran-3-yl)-1,2,3-thiadiazole-5-carboxamide
CAS 899731-12-5C21H16FN3O3S
![3-(4-Fluorophenyl)-N-{[5-(furan-2-carbonyl)thiophen-2-yl]methyl}-1-methyl-1H-pyrazole-5-carboxamide chemical structure, C21H16FN3O3S, CAS 1797600-06-6](/s/LSVFSBKDJVHTJR-UHFFFAOYSA-N.svg)
3-(4-Fluorophenyl)-N-{[5-(furan-2-carbonyl)thiophen-2-yl]methyl}-1-methyl-1H-pyrazole-5-carboxamide
CAS 1797600-06-6C21H16FN3O3S
![(Z)-N-(3-Allyl-6-fluorobenzo[d]thiazol-2(3H)-ylidene)-3-(2,5-dioxopyrrolidin-1-yl)benzamide chemical structure, C21H16FN3O3S, CAS 941976-78-9](/s/CRUCHAAYPRMVMY-UHFFFAOYSA-N.svg)
(Z)-N-(3-Allyl-6-fluorobenzo[d]thiazol-2(3H)-ylidene)-3-(2,5-dioxopyrrolidin-1-yl)benzamide
CAS 941976-78-9C21H16FN3O3S
![N-[4-(1H-Benzimidazol-2-yl)phenyl]-2-(4-fluorophenyl)sulfonylacetamide chemical structure, C21H16FN3O3S, CAS 895474-98-3](/s/PRZNAJHCCHWDRS-UHFFFAOYSA-N.svg)
N-[4-(1H-Benzimidazol-2-yl)phenyl]-2-(4-fluorophenyl)sulfonylacetamide
CAS 895474-98-3C21H16FN3O3S
![4-Fluoro-N-[3-(2-methyl-4-oxoquinazolin-3-yl)phenyl]benzenesulfonamide chemical structure, C21H16FN3O3S, CAS 898421-05-1](/s/YTWXGQWAKSDWQY-UHFFFAOYSA-N.svg)
4-Fluoro-N-[3-(2-methyl-4-oxoquinazolin-3-yl)phenyl]benzenesulfonamide
CAS 898421-05-1C21H16FN3O3S
![N-(3-(1H-Benzo[d]imidazol-2-yl)phenyl)-2-((4-fluorophenyl)sulfonyl)acetamide chemical structure, C21H16FN3O3S, CAS 895476-06-9](/s/SGYDPSYAOWODQG-UHFFFAOYSA-N.svg)
N-(3-(1H-Benzo[d]imidazol-2-yl)phenyl)-2-((4-fluorophenyl)sulfonyl)acetamide
CAS 895476-06-9C21H16FN3O3S
![Methyl 4-(6-(4-fluorophenyl)-3-methylimidazo[2,1-b]thiazole-2-carboxamido)benzoate chemical structure, C21H16FN3O3S, CAS 852134-30-6](/s/ZSKJSVCYVSQMHT-UHFFFAOYSA-N.svg)
Methyl 4-(6-(4-fluorophenyl)-3-methylimidazo[2,1-b]thiazole-2-carboxamido)benzoate
CAS 852134-30-6C21H16FN3O3S
![2-[7-(4-Fluorophenyl)-4-oxothieno[3,2-d]pyrimidin-3(4H)-yl]-N-(2-methoxyphenyl)acetamide chemical structure, C21H16FN3O3S, CAS 1207004-77-0](/s/ZKPQTJKIAUQZBT-UHFFFAOYSA-N.svg)
2-[7-(4-Fluorophenyl)-4-oxothieno[3,2-d]pyrimidin-3(4H)-yl]-N-(2-methoxyphenyl)acetamide
CAS 1207004-77-0C21H16FN3O3S
![2-[7-(4-Fluorophenyl)-4-oxothieno[3,2-d]pyrimidin-3(4H)-yl]-N-(3-methoxyphenyl)acetamide chemical structure, C21H16FN3O3S, CAS 1207013-43-1](/s/ULJYZRKIYAQTBK-UHFFFAOYSA-N.svg)
2-[7-(4-Fluorophenyl)-4-oxothieno[3,2-d]pyrimidin-3(4H)-yl]-N-(3-methoxyphenyl)acetamide
CAS 1207013-43-1C21H16FN3O3S
![2-[7-(4-Fluorophenyl)-4-oxothieno[3,2-d]pyrimidin-3(4H)-yl]-N-(4-methoxyphenyl)acetamide chemical structure, C21H16FN3O3S, CAS 1207030-77-0](/s/QNQXAMQUVCGTDH-UHFFFAOYSA-N.svg)
2-[7-(4-Fluorophenyl)-4-oxothieno[3,2-d]pyrimidin-3(4H)-yl]-N-(4-methoxyphenyl)acetamide
CAS 1207030-77-0C21H16FN3O3S
![N-(2-Fluorophenyl)-2-[7-(4-methoxyphenyl)-4-oxothieno[3,2-d]pyrimidin-3(4H)-yl]acetamide chemical structure, C21H16FN3O3S, CAS 1207048-46-1](/s/GDVMNIIJMJEKPI-UHFFFAOYSA-N.svg)
N-(2-Fluorophenyl)-2-[7-(4-methoxyphenyl)-4-oxothieno[3,2-d]pyrimidin-3(4H)-yl]acetamide
CAS 1207048-46-1C21H16FN3O3S
![N-(4-Fluorophenyl)-2-[7-(4-methoxyphenyl)-4-oxothieno[3,2-d]pyrimidin-3(4H)-yl]acetamide chemical structure, C21H16FN3O3S, CAS 1207060-03-4](/s/LIORADZXDZQRKQ-UHFFFAOYSA-N.svg)
N-(4-Fluorophenyl)-2-[7-(4-methoxyphenyl)-4-oxothieno[3,2-d]pyrimidin-3(4H)-yl]acetamide
CAS 1207060-03-4C21H16FN3O3S
- 4-Fluoro-N-(2-(3-hydroxyquinoxalin-2-yl)-6-methylphenyl)benzenesulfonamide1797257-64-7C21H16FN3O3S
- 2-((4-Fluorophenyl)thio)-N-(2-((3-(furan-2-yl)-1,2,4-oxadiazol-5-yl)methyl)phenyl)acetamide1797603-27-0C21H16FN3O3S
- 2-(2-Fluorophenoxy)-N-(2-((3-(thiophen-2-yl)-1,2,4-oxadiazol-5-yl)methyl)phenyl)acetamide1796970-09-6C21H16FN3O3S
- 2-(2,5-Dioxopyrrolidin-1-yl)-N-(2-(2-(2-fluorophenyl)thiazol-4-yl)phenyl)acetamide1797729-31-7C21H16FN3O3S
- 4-(Benzenesulfonyl)-2-(4-fluorophenyl)-N-[(pyridin-3-yl)methyl]-1,3-oxazol-5-amine855714-82-8C21H16FN3O3S
- 3-Fluoro-N-[3-(2-methyl-4-oxoquinazolin-3-yl)phenyl]benzenesulfonamide898421-03-9C21H16FN3O3S
- 4-Fluoro-N-[4-methyl-2-(3-oxo-4H-quinoxalin-2-yl)phenyl]benzenesulfonamide899350-93-7C21H16FN3O3S
- 4-((4-Fluorophenyl)sulfonyl)-2-phenyl-N-(pyridin-3-ylmethyl)oxazol-5-amine862758-63-2C21H16FN3O3S
- (Z)-3-(Benzo[d][1,3]dioxol-5-yl)-N-(2-(4-fluorophenyl)-4,6-dihydro-2H-thieno[3,4-c]pyrazol-3-yl)acrylamide450343-43-8C21H16FN3O3S
- N-(Benzo[d]thiazol-2-yl)-5-((4-fluorobenzyl)oxy)-1-methyl-4-oxo-1,4-dihydropyridine-2-carboxamide1021249-36-4C21H16FN3O3S
- (2Z)-2-(2-Ethoxybenzylidene)-6-(4-fluorobenzyl)-7H-[1,3]thiazolo[3,2-b][1,2,4]triazine-3,7(2H)-dione620539-38-0C21H16FN3O3S
- (5Z)-5-(2,4-Dimethoxybenzylidene)-2-[(E)-2-(4-fluorophenyl)ethenyl][1,3]thiazolo[3,2-b][1,2,4]triazol-6(5H)-one845902-66-1C21H16FN3O3S
- 3-Fluoro-N-[4-(2-methyl-4-oxoquinazolin-3-yl)phenyl]benzenesulfonamide898438-69-2C21H16FN3O3S
- 1-((4-Fluorobenzyl)oxy)-N-(4-methylbenzo[d]thiazol-2-yl)-2-oxo-1,2-dihydropyridine-3-carboxamide868678-57-3C21H16FN3O3S
- 1-((2-Fluorobenzyl)oxy)-N-(6-methylbenzo[d]thiazol-2-yl)-2-oxo-1,2-dihydropyridine-3-carboxamide868679-21-4C21H16FN3O3S
- 1-((2-Fluorobenzyl)oxy)-N-(4-methylbenzo[d]thiazol-2-yl)-2-oxo-1,2-dihydropyridine-3-carboxamide868679-22-5C21H16FN3O3S
- Methyl 2-(6-(4-fluorophenyl)-3-methylimidazo[2,1-b]thiazole-2-carboxamido)benzoate852134-31-7C21H16FN3O3S
- 4-{[6-Fluoro-3-(pyrrolidine-1-carbonyl)quinolin-4-yl]sulfonyl}benzonitrile1112296-15-7C21H16FN3O3S
- 5-(4-Fluorophenyl)-N-((2-(4-methoxyphenyl)thiazol-4-yl)methyl)oxazole-2-carboxamide1798679-59-0C21H16FN3O3S
- N-[(2-Fluoro-5-nitrophenyl)carbamothioyl]-2,2-diphenylacetamide364620-15-5C21H16FN3O3S
- N~1~-(4-fluorophenyl)-2-[3-oxo-1-(2-thienylcarbonyl)-1,2,3,4-tetrahydro-2-quinoxalinyl]acetamide1219356-89-4C21H16FN3O3S
- (2Z)-2-[(2-Fluoro-4-methylphenyl)imino]-8-methoxy-N-(1,3-thiazol-2-yl)-2H-chromene-3-carboxamide1327172-63-3C21H16FN3O3S
- (2Z)-2-[(5-Fluoro-2-methylphenyl)imino]-8-methoxy-N-(1,3-thiazol-2-yl)-2H-chromene-3-carboxamide1327182-94-4C21H16FN3O3S
- N-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)-2-(6-(4-fluorophenyl)imidazo[2,1-b]thiazol-3-yl)acetamide897464-91-4C21H16FN3O3S
- 5-(4-Fluorophenyl)-3-hydroxy-1-(5-methyl-1,3,4-thiadiazol-2-yl)-4-(4-methylbenzoyl)-2,5-dihydro-1H-pyrrol-2-oneC21H16FN3O3S
Frequently asked questions
What is the molar mass of C21H16FN3O3S?
The molar mass of C21H16FN3O3S is 409.44 g/mol, calculated from standard atomic weights for 21 carbon atoms, 16 hydrogen atoms, 1 fluorine atom, 3 nitrogen atoms, 3 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 409.0896 Da.
How many compounds have the formula C21H16FN3O3S?
CompoundList lists 49 compounds with the molecular formula C21H16FN3O3S, including N-(4-Fluorophenyl)-2-methyl-5-(4-oxo-3H-phthalazin-1-yl)benzenesulfonamide, 2-(2-Fluorophenyl)-4-(phenylsulfonyl)-N-(3-pyridinylmethyl)-1,3-oxazol-5-amine, N-[(2H-1,3-Benzodioxol-5-yl)methyl]-6-(4-fluorophenyl)-3-methylimidazo[2,1-b][1,3]thiazole-2-carboxamide. 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 C21H16FN3O3S?
C21H16FN3O3S has a degree of unsaturation of 15. 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.