Molecular formula

C₂₁H₂₁FN₄O₃S

32 compounds have this formula on CompoundList.

Molar mass: 428.48g/mol
Monoisotopic mass: 428.1318Da
Atoms: 51
Elements: 6
Rings plus double bonds: 13

The formula C21H21FN4O3S describes a molecule made of 21 carbon atoms, 21 hydrogen atoms, 1 fluorine atom, 4 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 × 2158.87%
12.011 × 21 = 252.231 g/mol
H Hydrogen × 214.94%
1.008 × 21 = 21.168 g/mol
F Fluorine × 14.43%
18.998 × 1 = 18.998 g/mol
N Nitrogen × 413.08%
14.007 × 4 = 56.028 g/mol
O Oxygen × 311.20%
15.999 × 3 = 47.997 g/mol
S Sulfur × 17.48%
32.06 × 1 = 32.060 g/mol

Look up another formula

Compounds with the formula C21H21FN4O3S

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

Showing 1 to 32 of 32 compounds

1-Ethyl-4-(2-(5-(4-fluorophenyl)-3-(thiophen-2-yl)-4,5-dihydro-1H-pyrazol-1-yl)-2-oxoethyl)piperazine-2,3-dione

CAS 868965-27-9C₂₁H₂₁FN₄O₃S

N1-(benzo[d]thiazol-2-yl)-N2-(2-(4-fluorophenyl)-2-morpholinoethyl)oxalamide

CAS 920176-69-8C₂₁H₂₁FN₄O₃S

4-[5-Cyano-2-(4-fluorophenyl)-1H-indol-3-yl]-N-(dimethylsulfamoyl)butanamide

CAS 1313585-03-3C₂₁H₂₁FN₄O₃S

3-(4-((3-Fluorophenyl)sulfonyl)piperazin-1-yl)-6-(2-methoxyphenyl)pyridazine

CAS 1021257-40-8C₂₁H₂₁FN₄O₃S

4-(4-Cyano-5-((4-fluorobenzyl)amino)oxazol-2-yl)-N,N-diethylbenzenesulfonamide

CAS 941266-18-8C₂₁H₂₁FN₄O₃S

Methyl 2-[[4-(2,5-dimethylphenyl)-5-[[(3-fluorobenzoyl)amino]methyl]-1,2,4-triazol-3-yl]sulfanyl]acetate

CAS 689748-11-6C₂₁H₂₁FN₄O₃S

N-(3-Fluoro-4-methylphenyl)-2-(3-(morpholine-4-carbonyl)-5-(thiophen-2-yl)-1H-pyrazol-1-yl)acetamide

CAS 1172864-94-6C₂₁H₂₁FN₄O₃S

Methyl 5-(((6-(4-(2-fluorophenyl)piperazin-1-yl)pyrimidin-4-yl)thio)methyl)furan-2-carboxylate

CAS 1171765-45-9C₂₁H₂₁FN₄O₃S

N-(4-(3-(4-(2-Fluorophenyl)piperazin-1-yl)-3-oxopropyl)thiazol-2-yl)furan-2-carboxamide

CAS 1021266-22-7C₂₁H₂₁FN₄O₃S

2-[3-(4-Fluoro-2-methoxyphenyl)-6-oxopyridazin-1(6H)-yl]-N-[(2Z)-3,4,5,6,7,8-hexahydro-2H-cyclohepta[d][1,3]thiazol-2-ylidene]acetamide

CAS 1282109-53-8C₂₁H₂₁FN₄O₃S

2-{[6-(4-Fluorobenzyl)-4-oxo-3,4,5,6,7,8-hexahydropyrido[4,3-d]pyrimidin-2-yl]sulfanyl}-N-(furan-2-ylmethyl)acetamide

CAS 1326817-28-0C₂₁H₂₁FN₄O₃S

2-[4-Ethyl-5-[2-(4-methoxyphenyl)-2-oxoethyl]sulfanyl-1,2,4-triazol-3-yl]-N-(2-fluorophenyl)acetamide

CAS 767326-31-8C₂₁H₂₁FN₄O₃S

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

CAS 899391-38-9C₂₁H₂₁FN₄O₃S

[4-[(2-Fluorophenyl)sulfonyl]-1-piperazinyl](5-methyl-1-phenyl-1H-pyrazol-4-yl)methanone

CAS 1011617-56-3C₂₁H₂₁FN₄O₃S

2-(2-{[(4,6-Dimethylpyrimidin-2-yl)sulfanyl]methyl}-5-methoxy-4-oxo-1,4-dihydropyridin-1-yl)-N-(4-fluorophenyl)acetamide

CAS 920409-83-2C₂₁H₂₁FN₄O₃S

5-Fluoro-2-methoxy-N-(4-(6-(pyrrolidin-1-yl)pyridazin-3-yl)phenyl)benzenesulfonamide

CAS 946317-72-2C₂₁H₂₁FN₄O₃S

N-[(4-Fluorophenyl)methyl]-3-(2-{[(4-methoxyphenyl)carbamoyl]amino}-1,3-thiazol-4-yl)propanamide

CAS 1040665-70-0C₂₁H₂₁FN₄O₃S

3-(4-((5-Fluoro-2-methoxyphenyl)sulfonyl)piperazin-1-yl)-6-phenylpyridazine

CAS 1021131-23-6C₂₁H₂₁FN₄O₃S

(3-(2-(4-Fluorophenyl)-4-methylthiazol-5-yl)-1H-pyrazol-5-yl)(1,4-dioxa-8-azaspiro[4.5]decan-8-yl)methanone

CAS 1296891-43-4C₂₁H₂₁FN₄O₃S

2-[3-(2-Fluoro-4-methoxyphenyl)-6-oxopyridazin-1(6H)-yl]-N-[(2Z)-3,4,5,6,7,8-hexahydro-2H-cyclohepta[d][1,3]thiazol-2-ylidene]acetamide

CAS 1282127-41-6C₂₁H₂₁FN₄O₃S

5-((2,6-Dimethylmorpholino)(4-fluorophenyl)methyl)-2-(furan-2-yl)thiazolo[3,2-b][1,2,4]triazol-6-ol

CAS 1052556-40-7C₂₁H₂₁FN₄O₃S

2-(2-{[(4,6-Dimethylpyrimidin-2-yl)sulfanyl]methyl}-5-methoxy-4-oxo-1,4-dihydropyridin-1-yl)-N-(3-fluorophenyl)acetamide

CAS 920221-51-8C₂₁H₂₁FN₄O₃S

2-({1-[(Benzylcarbamoyl)methyl]-5-(hydroxymethyl)-1H-imidazol-2-yl}sulfanyl)-N-(4-fluorophenyl)acetamide

CAS 921886-14-8C₂₁H₂₁FN₄O₃S

2-({1-[(Benzylcarbamoyl)methyl]-5-(hydroxymethyl)-1H-imidazol-2-yl}sulfanyl)-N-(3-fluorophenyl)acetamide

CAS 921503-63-1C₂₁H₂₁FN₄O₃S

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 C21H21FN4O3S?

The molar mass of C21H21FN4O3S is 428.48 g/mol, calculated from standard atomic weights for 21 carbon atoms, 21 hydrogen atoms, 1 fluorine atom, 4 nitrogen atoms, 3 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 428.1318 Da.

How many compounds have the formula C21H21FN4O3S?

CompoundList lists 32 compounds with the molecular formula C21H21FN4O3S, including 1-Ethyl-4-(2-(5-(4-fluorophenyl)-3-(thiophen-2-yl)-4,5-dihydro-1H-pyrazol-1-yl)-2-oxoethyl)piperazine-2,3-dione, N1-(benzo[d]thiazol-2-yl)-N2-(2-(4-fluorophenyl)-2-morpholinoethyl)oxalamide, 4-[5-Cyano-2-(4-fluorophenyl)-1H-indol-3-yl]-N-(dimethylsulfamoyl)butanamide. 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 C21H21FN4O3S?

C21H21FN4O3S 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.