Molecular formula

C₂₁H₂₁FN₄OS

25 compounds have this formula on CompoundList.

Molar mass: 396.48g/mol
Monoisotopic mass: 396.1420Da
Atoms: 49
Elements: 6
Rings plus double bonds: 13

The formula C21H21FN4OS describes a molecule made of 21 carbon atoms, 21 hydrogen atoms, 1 fluorine atom, 4 nitrogen atoms, 1 oxygen atom 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 × 215.34%
1.008 × 21 = 21.168 g/mol
F Fluorine × 14.79%
18.998 × 1 = 18.998 g/mol
N Nitrogen × 414.13%
14.007 × 4 = 56.028 g/mol
O Oxygen × 14.04%
15.999 × 1 = 15.999 g/mol
S Sulfur × 18.09%
32.06 × 1 = 32.060 g/mol

Look up another formula

Compounds with the formula C21H21FN4OS

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

Showing 1 to 25 of 25 compounds

2-[4-(2-Fluorophenyl)piperazin-1-yl]-N-(4-phenyl-1,3-thiazol-2-yl)acetamide

CAS 488709-78-0C₂₁H₂₁FN₄OS

(4-((3-Fluoro-4-methylphenyl)amino)-7-methyl-1,8-naphthyridin-3-yl)(thiomorpholino)methanone

CAS 1251627-59-4C₂₁H₂₁FN₄OS

N-(4-Fluorobenzyl)-1-[6-(2-thienyl)pyridazin-3-yl]piperidine-4-carboxamide

CAS 1031965-11-3C₂₁H₂₁FN₄OS

N-(3-Fluoro-4-methylphenyl)-1-(6-(thiophen-2-yl)pyridazin-3-yl)piperidine-4-carboxamide

CAS 1029761-36-1C₂₁H₂₁FN₄OS

1-(6-(4-Fluorophenyl)pyridazin-3-yl)-N-(thiophen-2-ylmethyl)piperidine-4-carboxamide

CAS 1105232-10-7C₂₁H₂₁FN₄OS

1-[4-(4-Fluorophenyl)piperazin-1-yl]-2-[2-(phenylamino)-1,3-thiazol-4-yl]ethan-1-one

CAS 1040675-76-0C₂₁H₂₁FN₄OS

2-[4-(4-Fluorophenyl)piperazin-1-yl]-N-(4-phenyl-1,3-thiazol-2-yl)acetamide

CAS 879615-97-1C₂₁H₂₁FN₄OS

N-{1-[6-(3-Fluorophenyl)pyridazin-3-yl]piperidin-4-yl}-2-(3-thienyl)acetamide

CAS 1396863-35-6C₂₁H₂₁FN₄OS

1-(3,4-Dihydroisoquinolin-2(1H)-yl)-2-{[4-ethyl-5-(4-fluorophenyl)-4H-1,2,4-triazol-3-yl]sulfanyl}ethanone

CAS 915924-44-6C₂₁H₂₁FN₄OS

2-[[5-Benzyl-4-(4-fluorophenyl)-1,2,4-triazol-3-yl]sulfanyl]-1-pyrrolidin-1-ylethanone

CAS 663214-87-7C₂₁H₂₁FN₄OS

N-(2-(5-Cyclopropyl-3-(pyridin-4-yl)-1H-pyrazol-1-yl)ethyl)-2-((4-fluorophenyl)thio)acetamide

CAS 1797716-67-6C₂₁H₂₁FN₄OS

N-(2,3-Dimethylphenyl)-2-{[5-(4-fluorophenyl)-4-(prop-2-en-1-yl)-4H-1,2,4-triazol-3-yl]sulfanyl}acetamide

CAS 896814-94-1C₂₁H₂₁FN₄OS

N-(2-Ethylphenyl)-2-{[5-(4-fluorophenyl)-4-(prop-2-en-1-yl)-4H-1,2,4-triazol-3-yl]sulfanyl}acetamide

CAS 899406-31-6C₂₁H₂₁FN₄OS

N-(4-Ethylphenyl)-2-{[5-(4-fluorophenyl)-4-(prop-2-en-1-yl)-4H-1,2,4-triazol-3-yl]sulfanyl}acetamide

CAS 900269-45-6C₂₁H₂₁FN₄OS

3-(3-Fluorophenyl)-5-[4-(3-methylphenyl)piperazine-1-carbonyl]-1,2-thiazol-4-amine

CAS 1286729-01-8C₂₁H₂₁FN₄OS

N-{1-[6-(3-Fluorophenyl)pyridazin-3-yl]piperidin-4-yl}-3-methylthiophene-2-carboxamide

CAS 1396862-92-2C₂₁H₂₁FN₄OS

N-(1-{5-[(4-Fluorobenzyl)sulfanyl]-4-(prop-2-en-1-yl)-4H-1,2,4-triazol-3-yl}ethyl)benzamide

CAS 708237-85-8C₂₁H₂₁FN₄OS

N-Benzyl-3-(5-(2-fluorophenyl)-1,3,4-thiadiazol-2-yl)piperidine-1-carboxamide

CAS 1172469-41-8C₂₁H₂₁FN₄OS

(4-((4-Fluoro-3-methylphenyl)amino)-7-methyl-1,8-naphthyridin-3-yl)(thiomorpholino)methanone

CAS 1251619-79-0C₂₁H₂₁FN₄OS

N-(4-(Dimethylamino)phenyl)-2-((2-(4-fluorophenyl)-6-methylpyrimidin-4-yl)thio)acetamide

CAS 1251672-56-6C₂₁H₂₁FN₄OS

N-(2-(5-Cyclopropyl-3-(pyridin-2-yl)-1H-pyrazol-1-yl)ethyl)-2-((4-fluorophenyl)thio)acetamide

CAS 1797616-62-6C₂₁H₂₁FN₄OS

(3-(6,7-Dihydrothieno[3,2-c]pyridin-5(4H)-yl)azetidin-1-yl)(3-(4-fluorophenyl)-1-methyl-1H-pyrazol-5-yl)methanone

CAS 2034310-24-0C₂₁H₂₁FN₄OS

N-(5-Fluoro-2-methylphenyl)-2-[[5-(3-methylphenyl)-4-prop-2-enyl-1,2,4-triazol-3-yl]sulfanyl]acetamide

CAS 701944-77-6C₂₁H₂₁FN₄OS

2-[(5-Benzyl-4-prop-2-enyl-1,2,4-triazol-3-yl)sulfanyl]-N-(5-fluoro-2-methylphenyl)acetamide

CAS 708250-91-3C₂₁H₂₁FN₄OS

N-(5-Fluoro-2-methylphenyl)-2-[[5-(2-methylphenyl)-4-prop-2-enyl-1,2,4-triazol-3-yl]sulfanyl]acetamide
708289-55-8C₂₁H₂₁FN₄OS

Frequently asked questions

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What is the molar mass of C21H21FN4OS?

The molar mass of C21H21FN4OS is 396.48 g/mol, calculated from standard atomic weights for 21 carbon atoms, 21 hydrogen atoms, 1 fluorine atom, 4 nitrogen atoms, 1 oxygen atom and 1 sulfur atom. The monoisotopic mass is 396.1420 Da.

How many compounds have the formula C21H21FN4OS?

CompoundList lists 25 compounds with the molecular formula C21H21FN4OS, including 2-[4-(2-Fluorophenyl)piperazin-1-yl]-N-(4-phenyl-1,3-thiazol-2-yl)acetamide, (4-((3-Fluoro-4-methylphenyl)amino)-7-methyl-1,8-naphthyridin-3-yl)(thiomorpholino)methanone, N-(4-Fluorobenzyl)-1-[6-(2-thienyl)pyridazin-3-yl]piperidine-4-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 C21H21FN4OS?

C21H21FN4OS has a degree of unsaturation of 13. 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.