Molecular formula

C₂₁H₁₆FN₃O₃S₂

24 compounds have this formula on CompoundList.

Molar mass: 441.50g/mol
Monoisotopic mass: 441.0617Da
Atoms: 46
Elements: 6
Rings plus double bonds: 15

The formula C21H16FN3O3S2 describes a molecule made of 21 carbon atoms, 16 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 × 2157.13%
12.011 × 21 = 252.231 g/mol
H Hydrogen × 163.65%
1.008 × 16 = 16.128 g/mol
F Fluorine × 14.30%
18.998 × 1 = 18.998 g/mol
N Nitrogen × 39.52%
14.007 × 3 = 42.021 g/mol
O Oxygen × 310.87%
15.999 × 3 = 47.997 g/mol
S Sulfur × 214.52%
32.06 × 2 = 64.120 g/mol

Look up another formula

Compounds with the formula C21H16FN3O3S2

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

Showing 1 to 24 of 24 compounds

2-[(3Z)-3-(3-Ethyl-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene)-2-oxo-2,3-dihydro-1H-indol-1-yl]-N-(2-fluorophenyl)acetamide

CAS 618072-57-4C₂₁H₁₆FN₃O₃S₂

3-(4-Fluorobenzenesulfonamido)-N-(2-methyl-1,3-benzothiazol-5-yl)benzamide

CAS 898421-78-8C₂₁H₁₆FN₃O₃S₂

Methyl 5-(((6-(2-(4-fluorophenyl)-4-methylthiazol-5-yl)pyridazin-3-yl)thio)methyl)furan-2-carboxylate

CAS 921058-81-3C₂₁H₁₆FN₃O₃S₂

4-Fluoro-N-(6-(methylsulfonyl)benzo[d]thiazol-2-yl)-N-(pyridin-3-ylmethyl)benzamide

CAS 923365-35-9C₂₁H₁₆FN₃O₃S₂

3-(4-Fluorobenzenesulfonamido)-N-(2-methyl-1,3-benzothiazol-6-yl)benzamide

CAS 898466-31-4C₂₁H₁₆FN₃O₃S₂

N-(4-Fluorophenyl)-2-{[5-(furan-2-yl)-4-oxo-3-(prop-2-en-1-yl)-3H,4H-thieno[2,3-d]pyrimidin-2-yl]sulfanyl}acetamide

CAS 379237-25-9C₂₁H₁₆FN₃O₃S₂

2-[(3Z)-3-(3-Ethyl-4-oxo-2-sulfanylidene-1,3-thiazolidin-5-ylidene)-2-oxoindol-1-yl]-N-(4-fluorophenyl)acetamide

CAS 380580-65-4C₂₁H₁₆FN₃O₃S₂

N-(4-Fluorobenzo[d]thiazol-2-yl)-2-(4-methylphenylsulfonamido)benzamide

CAS 907974-28-1C₂₁H₁₆FN₃O₃S₂

2-{[3-(2-Fluorophenyl)-4-oxo-3,4-dihydrothieno[3,2-d]pyrimidin-2-yl]sulfanyl}-N-(3-methoxyphenyl)acetamide

CAS 1261011-00-0C₂₁H₁₆FN₃O₃S₂

2-{[3-(2-Fluorophenyl)-4-oxo-3,4-dihydrothieno[3,2-d]pyrimidin-2-yl]sulfanyl}-N-(2-methoxyphenyl)acetamide

CAS 1260906-82-8C₂₁H₁₆FN₃O₃S₂

2-{[3-(2-Fluorophenyl)-4-oxo-3,4-dihydrothieno[3,2-d]pyrimidin-2-yl]sulfanyl}-N-(4-methoxyphenyl)acetamide

CAS 1260991-22-7C₂₁H₁₆FN₃O₃S₂

N-(2-Fluorophenyl)-2-{[3-(2-methoxyphenyl)-4-oxo-3,4-dihydrothieno[3,2-d]pyrimidin-2-yl]sulfanyl}acetamide

CAS 1291841-21-8C₂₁H₁₆FN₃O₃S₂

5-{(Z)-1-[2-(2-Fluorophenoxy)-4-oxo-4H-pyrido[1,2-a]pyrimidin-3-yl]methylidene}-3-isopropyl-2-thioxo-1,3-thiazolan-4-one

CAS 848687-03-6C₂₁H₁₆FN₃O₃S₂

5-{(Z)-1-[2-(4-Fluorophenoxy)-4-oxo-4H-pyrido[1,2-a]pyrimidin-3-yl]methylidene}-3-isopropyl-2-thioxo-1,3-thiazolan-4-one

CAS 844651-93-0C₂₁H₁₆FN₃O₃S₂

N-(4-Fluorobenzo[d]thiazol-2-yl)-3-(methylsulfonyl)-N-(pyridin-2-ylmethyl)benzamide

CAS 886943-53-9C₂₁H₁₆FN₃O₃S₂

(4E)-5-(4-Fluorophenyl)-4-[hydroxy(4-methylphenyl)methylidene]-1-[5-(methylsulfanyl)-1,3,4-thiadiazol-2-yl]pyrrolidine-2,3-dione

CAS 874129-16-5C₂₁H₁₆FN₃O₃S₂

4-(4-Fluorobenzenesulfonamido)-N-(4-methyl-1,3-benzothiazol-2-yl)benzamide

CAS 886906-92-9C₂₁H₁₆FN₃O₃S₂

4-(4-Fluorobenzenesulfonamido)-N-(2-methyl-1,3-benzothiazol-5-yl)benzamide

CAS 898411-21-7C₂₁H₁₆FN₃O₃S₂

N-(Benzo[d]thiazol-2-yl)-2-((4-fluorophenyl)sulfonyl)-N-(pyridin-2-ylmethyl)acetamide

CAS 886905-48-2C₂₁H₁₆FN₃O₃S₂

4-(4-Fluorobenzenesulfonamido)-N-(2-methyl-1,3-benzothiazol-6-yl)benzamide

CAS 898441-54-8C₂₁H₁₆FN₃O₃S₂

N-(6-Fluorobenzo[d]thiazol-2-yl)-4-(methylsulfonyl)-N-(pyridin-2-ylmethyl)benzamide

CAS 886938-50-7C₂₁H₁₆FN₃O₃S₂

N-(4-Fluorobenzo[d]thiazol-2-yl)-4-(methylsulfonyl)-N-(pyridin-2-ylmethyl)benzamide

CAS 886943-63-1C₂₁H₁₆FN₃O₃S₂

N-(2-Fluorophenyl)-2-((3-(4-methoxyphenyl)-4-oxo-3,4-dihydrothieno[3,2-d]pyrimidin-2-yl)thio)acetamide

CAS 1795413-34-1C₂₁H₁₆FN₃O₃S₂

5-(4-Fluorophenyl)-3-hydroxy-4-(4-methylbenzoyl)-1-[5-(methylsulfanyl)-1,3,4-thiadiazol-2-yl]-2,5-dihydro-1H-pyrrol-2-one

C₂₁H₁₆FN₃O₃S₂

Frequently asked questions

Still have a question?

The help centre explains buying, quotes and supplier badges step by step, or you can write to our team.

Help centre Contact us

What is the molar mass of C21H16FN3O3S2?

The molar mass of C21H16FN3O3S2 is 441.50 g/mol, calculated from standard atomic weights for 21 carbon atoms, 16 hydrogen atoms, 1 fluorine atom, 3 nitrogen atoms, 3 oxygen atoms and 2 sulfur atoms. The monoisotopic mass is 441.0617 Da.

How many compounds have the formula C21H16FN3O3S2?

CompoundList lists 24 compounds with the molecular formula C21H16FN3O3S2, including 2-[(3Z)-3-(3-Ethyl-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene)-2-oxo-2,3-dihydro-1H-indol-1-yl]-N-(2-fluorophenyl)acetamide, 3-(4-Fluorobenzenesulfonamido)-N-(2-methyl-1,3-benzothiazol-5-yl)benzamide, Methyl 5-(((6-(2-(4-fluorophenyl)-4-methylthiazol-5-yl)pyridazin-3-yl)thio)methyl)furan-2-carboxylate. 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 C21H16FN3O3S2?

C21H16FN3O3S2 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.