Molecular formula

C₂₁H₂₀N₄OS₂

38 compounds have this formula on CompoundList.

Molar mass: 408.54g/mol
Monoisotopic mass: 408.1079Da
Atoms: 48
Elements: 5
Rings plus double bonds: 14

The formula C21H20N4OS2 describes a molecule made of 21 carbon atoms, 20 hydrogen atoms, 4 nitrogen atoms, 1 oxygen atom 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 × 2161.74%
12.011 × 21 = 252.231 g/mol
H Hydrogen × 204.93%
1.008 × 20 = 20.160 g/mol
N Nitrogen × 413.71%
14.007 × 4 = 56.028 g/mol
O Oxygen × 13.92%
15.999 × 1 = 15.999 g/mol
S Sulfur × 215.69%
32.06 × 2 = 64.120 g/mol

Look up another formula

Compounds with the formula C21H20N4OS2

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

Showing 1 to 38 of 38 compounds

4-Benzyl-1-((2-methylallyl)thio)-7,8-dihydro-4H-cyclopenta[4,5]thieno[3,2-e][1,2,4]triazolo[4,3-a]pyrimidin-5(6H)-one

CAS 351006-35-4C₂₁H₂₀N₄OS₂

(5E)-5-(1H-Benzimidazol-2-ylmethylene)-3-[4-(diethylamino)phenyl]-2-thioxo-1,3-thiazolidin-4-one

CAS 1164453-13-7C₂₁H₂₀N₄OS₂

N-(3-Cyano-5,6-dihydro-4H-cyclopenta[b]thiophen-2-yl)-2-[(3-cyano-6,7,8,9-tetrahydro-5H-cyclohepta[b]pyridin-2-yl)sulfanyl]acetamide

CAS 445383-12-0C₂₁H₂₀N₄OS₂

N-Phenethyl-3-((5-phenylthiazolo[2,3-c][1,2,4]triazol-3-yl)thio)propanamide

CAS 671199-81-8C₂₁H₂₀N₄OS₂

2-((1-(3,5-Dimethylphenyl)-1H-imidazol-2-yl)thio)-N-(6-methylbenzo[d]thiazol-2-yl)acetamide

CAS 851132-06-4C₂₁H₂₀N₄OS₂

2-(2-(1H-Pyrrol-1-yl)thiazol-4-yl)-1-(4-(benzo[d]thiazol-2-yl)piperidin-1-yl)ethanone

CAS 1172272-36-4C₂₁H₂₀N₄OS₂

N-((1H-Benzo[d]imidazol-2-yl)methyl)-2-(2-((4-methylbenzyl)thio)thiazol-4-yl)acetamide

CAS 1203006-10-3C₂₁H₂₀N₄OS₂

6-Methyl-5-[3-(4-methylphenyl)-1,2,4-oxadiazol-5-yl]-4-[4-(methylsulfanyl)phenyl]-1,2,3,4-tetrahydropyrimidine-2-thione

CAS 892301-98-3C₂₁H₂₀N₄OS₂

(1H-Indol-3-yl)(4-(6-(methylthio)benzo[d]thiazol-2-yl)piperazin-1-yl)methanone

CAS 1172045-60-1C₂₁H₂₀N₄OS₂

N-Phenethyl-2-((5-(p-tolyl)thiazolo[2,3-c][1,2,4]triazol-3-yl)thio)acetamide

CAS 690645-20-6C₂₁H₂₀N₄OS₂

N-(3-(Benzo[d]thiazol-2-yl)-6-methyl-4,5,6,7-tetrahydrobenzo[b]thiophen-2-yl)-1-methyl-1H-pyrazole-3-carboxamide

CAS 1020489-36-4C₂₁H₂₀N₄OS₂

5-(4-Methylbenzyl)-2-(pyrrolidin-1-yl)-7-(thiophen-2-yl)thiazolo[4,5-d]pyridazin-4(5H)-one

CAS 1105233-39-3C₂₁H₂₀N₄OS₂

3-Allyl-2-[(1H-benzimidazol-2-ylmethyl)sulfanyl]-5,6,7,8-tetrahydro[1]benzothieno[2,3-d]pyrimidin-4(3H)-one

CAS 380455-21-0C₂₁H₂₀N₄OS₂

1-(Allylsulfanyl)-6-methyl-4-phenyl-6,7,8,9-tetrahydro[1]benzothieno[3,2-e][1,2,4]triazolo[4,3-a]pyrimidin-5(4H)-one

CAS 440091-49-6C₂₁H₂₀N₄OS₂

2-(Benzylsulfanyl)-9-(3-methylthiophen-2-yl)-5,6,7,9-tetrahydro[1,2,4]triazolo[5,1-b]quinazolin-8(4H)-one

CAS 727402-48-4C₂₁H₂₀N₄OS₂

$10-{[(1H-1,3-Benzodiazol-2-yl)methyl]sulfanyl}-11-(2-methylprop-2-en-1-yl)-7-thia-9,11-diazatricyclo[6.4.0.0^{2,6}]dodeca-1(8),2(6),9-trien-12-one chemical structure, C21H20N4OS2, CAS 702650-18-8$

10-{[(1H-1,3-Benzodiazol-2-yl)methyl]sulfanyl}-11-(2-methylprop-2-en-1-yl)-7-thia-9,11-diazatricyclo[6.4.0.0^{2,6}]dodeca-1(8),2(6),9-trien-12-one

CAS 702650-18-8C₂₁H₂₀N₄OS₂

1-(Allylthio)-4-(o-tolyl)-6,7,8,9-tetrahydrobenzo[4,5]thieno[3,2-e][1,2,4]triazolo[4,3-a]pyrimidin-5(4H)-one

CAS 380875-52-5C₂₁H₂₀N₄OS₂

2-((1-(2,3-Dimethylphenyl)-1H-imidazol-2-yl)thio)-N-(6-methylbenzo[d]thiazol-2-yl)acetamide

CAS 851131-63-0C₂₁H₂₀N₄OS₂

N-(1-Cyanocyclohexyl)-2-{[2-(thiophen-2-yl)quinazolin-4-yl]sulfanyl}acetamide

CAS 852829-87-9C₂₁H₂₀N₄OS₂

2-[1-[(3-Methylphenyl)methyl]indol-3-yl]sulfanyl-N-(5-methyl-1,3,4-thiadiazol-2-yl)acetamide

CAS 681276-03-9C₂₁H₂₀N₄OS₂

2-[1-[(4-Methylphenyl)methyl]indol-3-yl]sulfanyl-N-(5-methyl-1,3,4-thiadiazol-2-yl)acetamide

CAS 681276-87-9C₂₁H₂₀N₄OS₂

3-((5-(Allylthio)-4-phenethyl-4H-1,2,4-triazol-3-yl)methyl)benzo[d]thiazol-2(3H)-one

CAS 847402-48-6C₂₁H₂₀N₄OS₂

Benzo[d]thiazol-6-yl(4-(4,5-dimethylbenzo[d]thiazol-2-yl)piperazin-1-yl)methanone

CAS 886915-87-3C₂₁H₂₀N₄OS₂

Benzo[d]thiazol-2-yl(4-(5,7-dimethylbenzo[d]thiazol-2-yl)piperazin-1-yl)methanone

CAS 897482-69-8C₂₁H₂₀N₄OS₂

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What is the molar mass of C21H20N4OS2?

The molar mass of C21H20N4OS2 is 408.54 g/mol, calculated from standard atomic weights for 21 carbon atoms, 20 hydrogen atoms, 4 nitrogen atoms, 1 oxygen atom and 2 sulfur atoms. The monoisotopic mass is 408.1079 Da.

How many compounds have the formula C21H20N4OS2?

CompoundList lists 38 compounds with the molecular formula C21H20N4OS2, including 4-Benzyl-1-((2-methylallyl)thio)-7,8-dihydro-4H-cyclopenta[4,5]thieno[3,2-e][1,2,4]triazolo[4,3-a]pyrimidin-5(6H)-one, (5E)-5-(1H-Benzimidazol-2-ylmethylene)-3-[4-(diethylamino)phenyl]-2-thioxo-1,3-thiazolidin-4-one, N-(3-Cyano-5,6-dihydro-4H-cyclopenta[b]thiophen-2-yl)-2-[(3-cyano-6,7,8,9-tetrahydro-5H-cyclohepta[b]pyridin-2-yl)sulfanyl]acetamide. 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 C21H20N4OS2?

C21H20N4OS2 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.