Molecular formula

C₂₁H₂₁N₅O₄S₂

21 compounds have this formula on CompoundList.

Molar mass: 471.55g/mol
Monoisotopic mass: 471.1035Da
Atoms: 53
Elements: 5
Rings plus double bonds: 14

The formula C21H21N5O4S2 describes a molecule made of 21 carbon atoms, 21 hydrogen atoms, 5 nitrogen atoms, 4 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 × 2153.49%
12.011 × 21 = 252.231 g/mol
H Hydrogen × 214.49%
1.008 × 21 = 21.168 g/mol
N Nitrogen × 514.85%
14.007 × 5 = 70.035 g/mol
O Oxygen × 413.57%
15.999 × 4 = 63.996 g/mol
S Sulfur × 213.60%
32.06 × 2 = 64.120 g/mol

Look up another formula

Compounds with the formula C21H21N5O4S2

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

Showing 1 to 21 of 21 compounds

2-(3-Cyano-4,6-dimethylpyridin-2-yl)sulfanyl-N-[4-[(3,4-dimethyl-1,2-oxazol-5-yl)sulfamoyl]phenyl]acetamide

CAS 694478-70-1C₂₁H₂₁N₅O₄S₂

N-(2,4-Dimethoxyphenyl)-2-((4-methyl-5-((2-oxobenzo[d]thiazol-3(2H)-yl)methyl)-4H-1,2,4-triazol-3-yl)thio)acetamide

CAS 847400-43-5C₂₁H₂₁N₅O₄S₂

N-(2,5-Dimethoxyphenyl)-2-((4-methyl-5-((2-oxobenzo[d]thiazol-3(2H)-yl)methyl)-4H-1,2,4-triazol-3-yl)thio)acetamide

CAS 847400-44-6C₂₁H₂₁N₅O₄S₂

N-(3,4-Dimethoxyphenyl)-2-((4-methyl-5-((2-oxobenzo[d]thiazol-3(2H)-yl)methyl)-4H-1,2,4-triazol-3-yl)thio)acetamide

CAS 847400-45-7C₂₁H₂₁N₅O₄S₂

N-(4-(N-(2-(2-(4-Methoxyphenyl)thiazolo[3,2-b][1,2,4]triazol-6-yl)ethyl)sulfamoyl)phenyl)acetamide

CAS 895424-26-7C₂₁H₂₁N₅O₄S₂

N-(5-((2-(Mesitylamino)-2-oxoethyl)thio)-1,3,4-thiadiazol-2-yl)-2-methyl-3-nitrobenzamide

CAS 868973-60-8C₂₁H₂₁N₅O₄S₂

N-(5-((2-((Furan-2-ylmethyl)amino)-2-oxoethyl)thio)-1,3,4-thiadiazol-2-yl)-5-oxo-1-(m-tolyl)pyrrolidine-3-carboxamide

CAS 872595-00-1C₂₁H₂₁N₅O₄S₂

Propanenitrile, 3-((2-(acetyloxy)ethyl)(4-(2-(6-(methylsulfonyl)-2-benzothiazolyl)diazenyl)phenyl)amino)-

CAS 63467-09-4C₂₁H₂₁N₅O₄S₂

N-[4-[3-(Furan-2-ylmethylamino)-4-nitrophenyl]piperazine-1-carbothioyl]thiophene-2-carboxamide

CAS 381200-23-3C₂₁H₂₁N₅O₄S₂

2-((4-(4-Methoxyphenyl)-7,7-dimethyl-5-oxo-5,6,7,9-tetrahydro-4H-pyrano[4',3':4,5]thieno[3,2-e][1,2,4]triazolo[4,3-a]pyrimidin-1-yl)thio)acetamide

CAS 351385-64-3C₂₁H₂₁N₅O₄S₂

2-(Benzo[d]thiazol-2-yl(methyl)amino)-N-(4-(N-(3,4-dimethylisoxazol-5-yl)sulfamoyl)phenyl)acetamide

CAS 1351589-23-5C₂₁H₂₁N₅O₄S₂

$N-(4-Methoxyphenyl)-2-({7-oxo-8-[(oxolan-2-yl)methyl]-5-thia-1,8,10,11-tetraazatricyclo[7.3.0.0^{2,6}]dodeca-2(6),3,9,11-tetraen-12-yl}sulfanyl)acetamide chemical structure, C21H21N5O4S2, CAS 1217019-87-8$

N-(4-Methoxyphenyl)-2-({7-oxo-8-[(oxolan-2-yl)methyl]-5-thia-1,8,10,11-tetraazatricyclo[7.3.0.0^{2,6}]dodeca-2(6),3,9,11-tetraen-12-yl}sulfanyl)acetamide

CAS 1217019-87-8C₂₁H₂₁N₅O₄S₂

N-(5-((2-((4-Butylphenyl)amino)-2-oxoethyl)thio)-1,3,4-thiadiazol-2-yl)-3-nitrobenzamide

CAS 868976-16-3C₂₁H₂₁N₅O₄S₂

N-(5-((2-((Furan-2-ylmethyl)amino)-2-oxoethyl)thio)-1,3,4-thiadiazol-2-yl)-5-oxo-1-(p-tolyl)pyrrolidine-3-carboxamide

CAS 872595-07-8C₂₁H₂₁N₅O₄S₂

Ethyl 2-(2-((5-(3-(p-tolyl)ureido)-1,3,4-thiadiazol-2-yl)thio)acetamido)benzoate

CAS 898436-09-4C₂₁H₂₁N₅O₄S₂

Ethyl 4-(2-((5-(3-(p-tolyl)ureido)-1,3,4-thiadiazol-2-yl)thio)acetamido)benzoate

CAS 898461-63-7C₂₁H₂₁N₅O₄S₂

N-(Benzo[d][1,3]dioxol-5-ylmethyl)-2-((4-isobutyl-5-oxo-4,5-dihydrothieno[2,3-e][1,2,4]triazolo[4,3-a]pyrimidin-1-yl)thio)acetamide

CAS 1189981-15-4C₂₁H₂₁N₅O₄S₂

N-(4-Acetamido-2-((2-((4-methylbenzyl)amino)-2-oxoethyl)thio)-6-oxo-1,6-dihydropyrimidin-5-yl)thiophene-2-carboxamide

CAS 872609-00-2C₂₁H₂₁N₅O₄S₂

6-Acetyl-2-{[(2Z)-3-carbamothioyl-5-(hydroxymethyl)-8-methyl-2H-pyrano[2,3-c]pyridin-2-ylidene]amino}-4H,5H,6H,7H-thieno[2,3-c]pyridine-3-carboxamide

CAS 1276541-32-2C₂₁H₂₁N₅O₄S₂

1-[4-(2-Phenylethenesulfonyl)piperazin-1-yl]-2-{[5-(pyridin-3-yl)-1,3,4-oxadiazol-2-yl]sulfanyl}ethan-1-one

CAS 925406-69-5C₂₁H₂₁N₅O₄S₂

4-[(Dimethylamino)sulfonyl]-N-[1-(6-methoxy-2-benzothiazolyl)-3-methyl-1H-pyrazol-5-yl]benzamide

CAS 1170373-87-1C₂₁H₂₁N₅O₄S₂

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What is the molar mass of C21H21N5O4S2?

The molar mass of C21H21N5O4S2 is 471.55 g/mol, calculated from standard atomic weights for 21 carbon atoms, 21 hydrogen atoms, 5 nitrogen atoms, 4 oxygen atoms and 2 sulfur atoms. The monoisotopic mass is 471.1035 Da.

How many compounds have the formula C21H21N5O4S2?

CompoundList lists 21 compounds with the molecular formula C21H21N5O4S2, including 2-(3-Cyano-4,6-dimethylpyridin-2-yl)sulfanyl-N-[4-[(3,4-dimethyl-1,2-oxazol-5-yl)sulfamoyl]phenyl]acetamide, N-(2,4-Dimethoxyphenyl)-2-((4-methyl-5-((2-oxobenzo[d]thiazol-3(2H)-yl)methyl)-4H-1,2,4-triazol-3-yl)thio)acetamide, N-(2,5-Dimethoxyphenyl)-2-((4-methyl-5-((2-oxobenzo[d]thiazol-3(2H)-yl)methyl)-4H-1,2,4-triazol-3-yl)thio)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 C21H21N5O4S2?

C21H21N5O4S2 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.