Molecular formula

C₂₁H₁₈Cl₂N₂O₄S

17 compounds have this formula on CompoundList.

Molar mass: 465.34g/mol
Monoisotopic mass: 464.0364Da
Atoms: 48
Elements: 6
Rings plus double bonds: 13

The formula C21H18Cl2N2O4S describes a molecule made of 21 carbon atoms, 18 hydrogen atoms, 2 chlorine atoms, 2 nitrogen atoms, 4 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 × 2154.20%
12.011 × 21 = 252.231 g/mol
H Hydrogen × 183.90%
1.008 × 18 = 18.144 g/mol
Cl Chlorine × 215.24%
35.45 × 2 = 70.900 g/mol
N Nitrogen × 26.02%
14.007 × 2 = 28.014 g/mol
O Oxygen × 413.75%
15.999 × 4 = 63.996 g/mol
S Sulfur × 16.89%
32.06 × 1 = 32.060 g/mol

Look up another formula

Compounds with the formula C21H18Cl2N2O4S

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

Showing 1 to 17 of 17 compounds

N-(3,4-Dichlorophenyl)-4-({[(3-methoxyphenyl)sulfonyl]amino}methyl)benzamide

CAS 690245-57-9C₂₁H₁₈Cl₂N₂O₄S

Hsd17B13-IN-31

CAS 2758802-33-2C₂₁H₁₈Cl₂N₂O₄S

N-(3-Carbamoyl-4,5,6,7-tetrahydro-1-benzothiophen-2-yl)-5-[(2,5-dichlorophenoxy)methyl]furan-2-carboxamide

CAS 445289-02-1C₂₁H₁₈Cl₂N₂O₄S

N-(2,4-Dichlorophenyl)-2-{[(4-methoxyphenyl)sulfonyl]anilino}acetamide

CAS 339013-29-5C₂₁H₁₈Cl₂N₂O₄S

Ethyl 2-({[3-(2,6-dichlorophenyl)-5-methyl-4-isoxazolyl]carbonyl}amino)-5,6-dihydro-4H-cyclopenta[b]thiophene-3-carboxylate

CAS 354543-88-7C₂₁H₁₈Cl₂N₂O₄S

3-((3,4-Dichlorophenyl)sulfonamido)-N-(4-methoxybenzyl)benzamide

CAS 869714-27-2C₂₁H₁₈Cl₂N₂O₄S

N-(2,5-Dichlorophenyl)-2-(N-methylsulfonyl-4-phenoxyanilino)acetamide

CAS 701290-53-1C₂₁H₁₈Cl₂N₂O₄S

2-(2,4-Dichlorophenoxy)-N-[4-[methyl(phenyl)sulfamoyl]phenyl]acetamide

CAS 714278-76-9C₂₁H₁₈Cl₂N₂O₄S

2-(2,4-Dichlorophenoxy)-N-[4-[(4-methylphenyl)sulfamoyl]phenyl]acetamide

CAS 701231-17-6C₂₁H₁₈Cl₂N₂O₄S

2-[N-(Benzenesulfonyl)-3-chloroanilino]-N-(3-chloro-4-methoxyphenyl)acetamide

CAS 6411-57-0C₂₁H₁₈Cl₂N₂O₄S

Hsd17B13-IN-21

CAS 2758802-18-3C₂₁H₁₈Cl₂N₂O₄S

N-[4-[2-(2,4-Dichlorophenoxy)propanoylamino]-2-methoxyphenyl]thiophene-2-carboxamide

CAS 701248-12-6C₂₁H₁₈Cl₂N₂O₄S

2,4-Dichloro-N-(1,3-dioxooctahydro-2H-isoindol-2-yl)-N-[2-oxo-2-(thiophen-2-yl)ethyl]benzamide

CAS 827008-65-1C₂₁H₁₈Cl₂N₂O₄S

1-(2,4-Dichlorophenyl)-2-((2,3-dihydrobenzo[b][1,4]dioxin-6-yl)sulfonyl)-1,2,3,4-tetrahydropyrrolo[1,2-a]pyrazine

CAS 900011-35-0C₂₁H₁₈Cl₂N₂O₄S

2-(3-Chloro-N-(4-methoxyphenyl)sulfonylanilino)-N-(4-chlorophenyl)acetamide

CAS 693811-43-7C₂₁H₁₈Cl₂N₂O₄S

N-[4-[(2,3-Dichlorophenyl)sulfamoyl]phenyl]-2-methoxy-2-phenylacetamide

CAS 690968-97-9C₂₁H₁₈Cl₂N₂O₄S

3-(4-Chlorobenzenesulfonamido)-3-phenylpropyl 2-chloropyridine-3-carboxylate

CAS 920820-28-6C₂₁H₁₈Cl₂N₂O₄S

Frequently asked questions

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What is the molar mass of C21H18Cl2N2O4S?

The molar mass of C21H18Cl2N2O4S is 465.34 g/mol, calculated from standard atomic weights for 21 carbon atoms, 18 hydrogen atoms, 2 chlorine atoms, 2 nitrogen atoms, 4 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 464.0364 Da.

How many compounds have the formula C21H18Cl2N2O4S?

CompoundList lists 17 compounds with the molecular formula C21H18Cl2N2O4S, including N-(3,4-Dichlorophenyl)-4-({[(3-methoxyphenyl)sulfonyl]amino}methyl)benzamide, Hsd17B13-IN-31, N-(3-Carbamoyl-4,5,6,7-tetrahydro-1-benzothiophen-2-yl)-5-[(2,5-dichlorophenoxy)methyl]furan-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 C21H18Cl2N2O4S?

C21H18Cl2N2O4S 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.