Molecular formula

C₂₁H₂₀N₄O₃S₂

71 compounds have this formula on CompoundList.

Molar mass: 440.54g/mol
Monoisotopic mass: 440.0977Da
Atoms: 50
Elements: 5
Rings plus double bonds: 14

The formula C21H20N4O3S2 describes a molecule made of 21 carbon atoms, 20 hydrogen atoms, 4 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 × 2157.26%
12.011 × 21 = 252.231 g/mol
H Hydrogen × 204.58%
1.008 × 20 = 20.160 g/mol
N Nitrogen × 412.72%
14.007 × 4 = 56.028 g/mol
O Oxygen × 310.90%
15.999 × 3 = 47.997 g/mol
S Sulfur × 214.55%
32.06 × 2 = 64.120 g/mol

Look up another formula

Compounds with the formula C21H20N4O3S2

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

Showing 1 to 71 of 71 compounds

2-((8,8-Dimethyl-8,10-dihydro-7H-pyrano[3'',4'':5',6']pyrido[3',2':4,5]thieno[3,2-d]pyrimidin-4-yl)thio)-N-(furan-2-ylmethyl)acetamide

CAS 838394-70-0C₂₁H₂₀N₄O₃S₂

N'-{[4,6-Dimethyl-3-(1H-pyrrol-1-yl)thieno[2,3-b]pyridin-2-yl]carbonyl}-4-methylbenzenesulfonohydrazide

CAS 478029-16-2C₂₁H₂₀N₄O₃S₂

2-[(2-Furylmethyl)amino]-3-[(Z)-(3-isobutyl-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene)methyl]-4H-pyrido[1,2-A]pyrimidin-4-one

CAS 477735-28-7C₂₁H₂₀N₄O₃S₂

Ethyl 2-[[4-(2-methylphenyl)-5-[(2-oxo-1,3-benzothiazol-3-yl)methyl]-1,2,4-triazol-3-yl]sulfanyl]acetate

CAS 847403-06-9C₂₁H₂₀N₄O₃S₂

Ethyl 2-((5-((2-oxobenzo[d]thiazol-3(2H)-yl)methyl)-4-phenyl-4H-1,2,4-triazol-3-yl)thio)propanoate

CAS 847402-34-0C₂₁H₂₀N₄O₃S₂

Benzo[d]thiazol-6-yl(4-(4,7-dimethoxybenzo[d]thiazol-2-yl)piperazin-1-yl)methanone

CAS 897486-12-3C₂₁H₂₀N₄O₃S₂

2-((2-Furylmethyl)amino)-7-methyl-3-((Z)-(4-oxo-3-propyl-2-thioxo-1,3-thiazolidin-5-ylidene)methyl)-4H-pyrido(1,2-A)pyrimidin-4-one

CAS 381168-47-4C₂₁H₂₀N₄O₃S₂

$N-Benzyl-2-({9-ethyl-8,8-dioxo-8lambda6-thia-3,5,9-triazatricyclo[8.4.0.0^{2,7}]tetradeca-1(14),2(7),3,5,10,12-hexaen-4-yl}sulfanyl)acetamide chemical structure, C21H20N4O3S2, CAS 951513-29-4$

N-Benzyl-2-({9-ethyl-8,8-dioxo-8lambda6-thia-3,5,9-triazatricyclo[8.4.0.0^{2,7}]tetradeca-1(14),2(7),3,5,10,12-hexaen-4-yl}sulfanyl)acetamide

CAS 951513-29-4C₂₁H₂₀N₄O₃S₂

N-[4-Hydroxy-3-(1H-1,2,4-triazol-3-ylsulfanyl)-1-naphthyl]-2,4,5-trimethylbenzenesulfonamide

CAS 794552-65-1C₂₁H₂₀N₄O₃S₂

N-(2-(1H-Pyrazol-1-yl)ethyl)-N-(benzo[d]thiazol-2-yl)-3-(phenylsulfonyl)propanamide

CAS 1172952-10-1C₂₁H₂₀N₄O₃S₂

N-(5-((2-(3,4-Dihydroquinolin-1(2H)-yl)-2-oxoethyl)thio)-1,3,4-thiadiazol-2-yl)-2-phenoxyacetamide

CAS 392300-00-4C₂₁H₂₀N₄O₃S₂

N-[6-(Diethylsulfamoyl)-1,3-benzothiazol-2-yl]quinoline-2-carboxamide

CAS 865592-33-2C₂₁H₂₀N₄O₃S₂

3-Methyl-6-phenyl-N-[2-(4-sulfamoylphenyl)ethyl]imidazo[2,1-b][1,3]thiazole-2-carboxamide

CAS 852133-40-5C₂₁H₂₀N₄O₃S₂

Ethyl 4,5-dimethyl-2-(2-{[1,2,4]triazolo[4,3-a]quinolin-1-ylsulfanyl}acetamido)thiophene-3-carboxylate

CAS 690961-58-1C₂₁H₂₀N₄O₃S₂

N-[5-[2-(4-Acetylanilino)-2-oxoethyl]sulfanyl-1,3,4-thiadiazol-2-yl]-3-phenylpropanamide

CAS 535954-85-9C₂₁H₂₀N₄O₃S₂

N-(5-(Benzylthio)-1,3,4-thiadiazol-2-yl)-1-(3-methoxyphenyl)-5-oxopyrrolidine-3-carboxamide

CAS 872595-31-8C₂₁H₂₀N₄O₃S₂

2-Methyl-N-(3-(6-oxo-3-phenylpyridazin-1(6H)-yl)propyl)benzo[d]thiazole-6-sulfonamide

CAS 1021226-07-2C₂₁H₂₀N₄O₃S₂

3-(6-Phenylimidazo[2,1-b]thiazol-3-yl)-N-(4-sulfamoylbenzyl)propanamide

CAS 1040671-96-2C₂₁H₂₀N₄O₃S₂

N-(1-(Benzo[d]thiazol-2-yl)-3-methyl-1H-pyrazol-5-yl)-4-(isopropylsulfonyl)benzamide

CAS 1172095-40-7C₂₁H₂₀N₄O₃S₂

2-(3,4-Dimethoxyphenyl)-N-(3-methyl-1-(4-(thiophen-2-yl)thiazol-2-yl)-1H-pyrazol-5-yl)acetamide

CAS 1172003-49-4C₂₁H₂₀N₄O₃S₂

N-(2-(1H-Pyrazol-1-yl)ethyl)-N-(benzo[d]thiazol-2-yl)-4-(ethylsulfonyl)benzamide

CAS 1172829-22-9C₂₁H₂₀N₄O₃S₂

2-(4-Ethoxyphenoxy)-N-(3-methyl-1-(4-(thiophen-2-yl)thiazol-2-yl)-1H-pyrazol-5-yl)acetamide

CAS 1169958-70-6C₂₁H₂₀N₄O₃S₂

4-tert-Butyl-N-[[4-(3-nitrophenyl)-1,3-thiazol-2-yl]carbamothioyl]benzamide

CAS 428835-34-1C₂₁H₂₀N₄O₃S₂

N-(5-((2-((4-Ethoxyphenyl)amino)-2-oxoethyl)thio)-1,3,4-thiadiazol-2-yl)cinnamamide

CAS 393565-97-4C₂₁H₂₀N₄O₃S₂

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What is the molar mass of C21H20N4O3S2?

The molar mass of C21H20N4O3S2 is 440.54 g/mol, calculated from standard atomic weights for 21 carbon atoms, 20 hydrogen atoms, 4 nitrogen atoms, 3 oxygen atoms and 2 sulfur atoms. The monoisotopic mass is 440.0977 Da.

How many compounds have the formula C21H20N4O3S2?

CompoundList lists 71 compounds with the molecular formula C21H20N4O3S2, including 2-((8,8-Dimethyl-8,10-dihydro-7H-pyrano[3'',4'':5',6']pyrido[3',2':4,5]thieno[3,2-d]pyrimidin-4-yl)thio)-N-(furan-2-ylmethyl)acetamide, N'-{[4,6-Dimethyl-3-(1H-pyrrol-1-yl)thieno[2,3-b]pyridin-2-yl]carbonyl}-4-methylbenzenesulfonohydrazide, 2-[(2-Furylmethyl)amino]-3-[(Z)-(3-isobutyl-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene)methyl]-4H-pyrido[1,2-A]pyrimidin-4-one. 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 C21H20N4O3S2?

C21H20N4O3S2 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.