Molecular formula

C₂₁H₁₈ClN₃O₄S

43 compounds have this formula on CompoundList.

Molar mass: 443.90g/mol
Monoisotopic mass: 443.0707Da
Atoms: 48
Elements: 6
Rings plus double bonds: 14

The formula C21H18ClN3O4S describes a molecule made of 21 carbon atoms, 18 hydrogen atoms, 1 chlorine atom, 3 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 × 2156.82%
12.011 × 21 = 252.231 g/mol
H Hydrogen × 184.09%
1.008 × 18 = 18.144 g/mol
Cl Chlorine × 17.99%
35.45 × 1 = 35.450 g/mol
N Nitrogen × 39.47%
14.007 × 3 = 42.021 g/mol
O Oxygen × 414.42%
15.999 × 4 = 63.996 g/mol
S Sulfur × 17.22%
32.06 × 1 = 32.060 g/mol

Look up another formula

Compounds with the formula C21H18ClN3O4S

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

Showing 1 to 43 of 43 compounds

2-[1-[(2-Chlorophenyl)methyl]indol-3-yl]sulfonyl-N-(5-methyl-1,2-oxazol-3-yl)acetamide

CAS 850933-13-0C₂₁H₁₈ClN₃O₄S

Ethyl 4-{3-[(4-chlorobenzoyl)amino]phenoxy}-2-(methylsulfanyl)-5-pyrimidinecarboxylate

CAS 478065-04-2C₂₁H₁₈ClN₃O₄S

4-CL-N-(2-((2-(3-Methoxybenzylidene)hydrazino)carbonyl)phenyl)benzenesulfonamide

CAS 765311-99-7C₂₁H₁₈ClN₃O₄S

7-Chloro-8-(1-(methylsulfonyl)-3-phenyl-4,5-dihydro-1H-pyrazol-5-yl)-2,3-dihydro-[1,4]dioxino[2,3-g]quinoline

CAS 442650-02-4C₂₁H₁₈ClN₃O₄S

2-(1-(4-Chlorobenzyl)-1H-indol-3-ylsulfonyl)-N-(5-methylisoxazol-3-yl)acetamide

CAS 850933-09-4C₂₁H₁₈ClN₃O₄S

N-(2-(5-(2-Chlorophenyl)-1-(furan-2-carbonyl)-4,5-dihydro-1H-pyrazol-3-yl)phenyl)methanesulfonamide

CAS 923193-58-2C₂₁H₁₈ClN₃O₄S

4-({[(2E)-2-[(3-Chlorophenyl)imino]-4-oxo-3-(prop-2-en-1-yl)-1,3-thiazolidin-5-yl]acetyl}amino)benzoic acid

CAS 725720-17-2C₂₁H₁₈ClN₃O₄S

N-{2-[2-(4-Chlorophenyl)-1,3-thiazol-4-yl]ethyl}-N'-(2,3-dihydro-1,4-benzodioxin-6-yl)ethanediamide

CAS 895783-18-3C₂₁H₁₈ClN₃O₄S

Methyl 4-(3-(2-(4-chlorobenzamido)thiazol-4-yl)propanamido)benzoate

CAS 1040654-53-2C₂₁H₁₈ClN₃O₄S

3-(2-(4-((4-Chlorobenzo[d]thiazol-2-yl)oxy)piperidin-1-yl)-2-oxoethyl)benzo[d]oxazol-2(3H)-one

CAS 1286710-23-3C₂₁H₁₈ClN₃O₄S

N-(2H-1,3-Benzodioxol-5-yl)-2-(2-{[(3-chlorophenyl)methyl]sulfanyl}-4-methyl-6-oxo-1,6-dihydropyrimidin-5-yl)acetamide

CAS 1170041-19-6C₂₁H₁₈ClN₃O₄S

N-(Benzo[d][1,3]dioxol-5-ylmethyl)-2-(2-((3-chlorobenzyl)thio)-6-oxo-1,6-dihydropyrimidin-4-yl)acetamide

CAS 1105238-20-7C₂₁H₁₈ClN₃O₄S

2-(2-((3-Chlorobenzyl)thio)-6-oxo-1,6-dihydropyrimidin-4-yl)-N-(2,3-dihydrobenzo[b][1,4]dioxin-6-yl)acetamide

CAS 1105238-60-5C₂₁H₁₈ClN₃O₄S

Methyl 4-(2-(2-((3-chlorobenzyl)thio)-6-oxo-1,6-dihydropyrimidin-4-yl)acetamido)benzoate

CAS 1105238-44-5C₂₁H₁₈ClN₃O₄S

Methyl 2-({5-[(4-chlorophenyl)carbamoyl]-3-cyano-4-(furan-2-yl)-6-methyl-1,4-dihydropyridin-2-YL}sulfanyl)acetate

CAS 375836-15-0C₂₁H₁₈ClN₃O₄S

6-Chloro-7-(1-(methylsulfonyl)-3-(p-tolyl)-4,5-dihydro-1H-pyrazol-5-yl)-[1,3]dioxolo[4,5-g]quinoline

CAS 839704-18-6C₂₁H₁₈ClN₃O₄S

3-({[4-(Acetylamino)phenyl]sulfonyl}amino)-N-(3-chlorophenyl)benzamide

CAS 304668-13-1C₂₁H₁₈ClN₃O₄S

Ethyl 4-{3-[(3-chlorobenzoyl)amino]phenoxy}-2-(methylsulfanyl)-5-pyrimidinecarboxylate

CAS 478065-24-6C₂₁H₁₈ClN₃O₄S

Methyl 5-({[2-(3-chloro-4-ethoxyphenyl)pyrazolo[1,5-a]pyrazin-4-yl]sulfanyl}methyl)furan-2-carboxylate

CAS 1243048-11-4C₂₁H₁₈ClN₃O₄S

(E)-4-((3-Allyl-5-(2-((4-chlorophenyl)amino)-2-oxoethyl)-4-oxothiazolidin-2-ylidene)amino)benzoic acid

CAS 500203-17-8C₂₁H₁₈ClN₃O₄S

(Z)-N-(4-Chlorophenyl)-3-(2,4-dioxo-5-(2-oxo-2-(p-tolylamino)ethylidene)thiazolidin-3-yl)propanamide

CAS 880796-17-8C₂₁H₁₈ClN₃O₄S

$N-(2-Chlorophenyl)-2-{[5-(2-methoxyethyl)-6-oxo-8-oxa-3,5-diazatricyclo[7.4.0.0^{2,7}]trideca-1(9),2(7),3,10,12-pentaen-4-yl]sulfanyl}acetamide chemical structure, C21H18ClN3O4S, CAS 866894-72-6$

N-(2-Chlorophenyl)-2-{[5-(2-methoxyethyl)-6-oxo-8-oxa-3,5-diazatricyclo[7.4.0.0^{2,7}]trideca-1(9),2(7),3,10,12-pentaen-4-yl]sulfanyl}acetamide

CAS 866894-72-6C₂₁H₁₈ClN₃O₄S

$N-(3-Chlorophenyl)-2-{[5-(2-methoxyethyl)-6-oxo-8-oxa-3,5-diazatricyclo[7.4.0.0^{2,7}]trideca-1(9),2(7),3,10,12-pentaen-4-yl]sulfanyl}acetamide chemical structure, C21H18ClN3O4S, CAS 866894-73-7$

N-(3-Chlorophenyl)-2-{[5-(2-methoxyethyl)-6-oxo-8-oxa-3,5-diazatricyclo[7.4.0.0^{2,7}]trideca-1(9),2(7),3,10,12-pentaen-4-yl]sulfanyl}acetamide

CAS 866894-73-7C₂₁H₁₈ClN₃O₄S

(Z)-N-(6-Chloro-3-(2-ethoxyethyl)benzo[d]thiazol-2(3H)-ylidene)-2-(1,3-dioxoisoindolin-2-yl)acetamide

CAS 865162-55-6C₂₁H₁₈ClN₃O₄S

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What is the molar mass of C21H18ClN3O4S?

The molar mass of C21H18ClN3O4S is 443.90 g/mol, calculated from standard atomic weights for 21 carbon atoms, 18 hydrogen atoms, 1 chlorine atom, 3 nitrogen atoms, 4 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 443.0707 Da.

How many compounds have the formula C21H18ClN3O4S?

CompoundList lists 43 compounds with the molecular formula C21H18ClN3O4S, including 2-[1-[(2-Chlorophenyl)methyl]indol-3-yl]sulfonyl-N-(5-methyl-1,2-oxazol-3-yl)acetamide, Ethyl 4-{3-[(4-chlorobenzoyl)amino]phenoxy}-2-(methylsulfanyl)-5-pyrimidinecarboxylate, 4-CL-N-(2-((2-(3-Methoxybenzylidene)hydrazino)carbonyl)phenyl)benzenesulfonamide. 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 C21H18ClN3O4S?

C21H18ClN3O4S has a degree of unsaturation of 14. 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.