Molecular formula

C₂₁H₁₉N₅O₃S₂

21 compounds have this formula on CompoundList.

Molar mass: 453.54g/mol
Monoisotopic mass: 453.0929Da
Atoms: 50
Elements: 5
Rings plus double bonds: 15

The formula C21H19N5O3S2 describes a molecule made of 21 carbon atoms, 19 hydrogen atoms, 5 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 × 2155.61%
12.011 × 21 = 252.231 g/mol
H Hydrogen × 194.22%
1.008 × 19 = 19.152 g/mol
N Nitrogen × 515.44%
14.007 × 5 = 70.035 g/mol
O Oxygen × 310.58%
15.999 × 3 = 47.997 g/mol
S Sulfur × 214.14%
32.06 × 2 = 64.120 g/mol

Look up another formula

Compounds with the formula C21H19N5O3S2

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

Showing 1 to 21 of 21 compounds

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

CAS 847400-54-8C₂₁H₁₉N₅O₃S₂

N-{4-[5-(Acetamidomethyl)thiophen-2-yl]-1,3-thiazol-2-yl}-3-(4-oxo-3,4-dihydroquinazolin-2-yl)propanamide

CAS 877940-84-6C₂₁H₁₉N₅O₃S₂

N-Benzyl-2-((6,8-dimethyl-5,7-dioxo-2-(thiophen-2-yl)-5,6,7,8-tetrahydropyrimido[4,5-d]pyrimidin-4-yl)thio)acetamide

CAS 847191-95-1C₂₁H₁₉N₅O₃S₂

$N-[(Furan-2-yl)methyl]-10-[4-(propan-2-yl)benzenesulfonyl]-5-thia-1,8,11,12-tetraazatricyclo[7.3.0.0^{2,6}]dodeca-2(6),3,7,9,11-pentaen-7-amine chemical structure, C21H19N5O3S2, CAS 892738-96-4$

N-[(Furan-2-yl)methyl]-10-[4-(propan-2-yl)benzenesulfonyl]-5-thia-1,8,11,12-tetraazatricyclo[7.3.0.0^{2,6}]dodeca-2(6),3,7,9,11-pentaen-7-amine

CAS 892738-96-4C₂₁H₁₉N₅O₃S₂

$Ethyl 4-[(5-{4-methyl-2-oxo-6-thia-1,8-diazatricyclo[7.3.0.0^{3,7}]dodeca-3(7),4,8-trien-5-yl}-1,3,4-thiadiazol-2-yl)amino]benzoate chemical structure, C21H19N5O3S2, CAS 890630-69-0$

Ethyl 4-[(5-{4-methyl-2-oxo-6-thia-1,8-diazatricyclo[7.3.0.0^{3,7}]dodeca-3(7),4,8-trien-5-yl}-1,3,4-thiadiazol-2-yl)amino]benzoate

CAS 890630-69-0C₂₁H₁₉N₅O₃S₂

Ethyl 4-(2-{[4-(1H-pyrrol-1-yl)-5-(thiophen-2-yl)-4H-1,2,4-triazol-3-yl]sulfanyl}acetamido)benzoate

CAS 886939-13-5C₂₁H₁₉N₅O₃S₂

2-((6-(2-(4-Methoxyphenyl)-4-methylthiazol-5-yl)pyridazin-3-yl)thio)-N-(5-methylisoxazol-3-yl)acetamide

CAS 954696-98-1C₂₁H₁₉N₅O₃S₂

N-(7-Methyl-[1,3]thiazolo[5,4-e][1,3]benzothiazol-2-yl)-3-nitro-4-piperidin-1-ylbenzamide

CAS 476642-20-3C₂₁H₁₉N₅O₃S₂

2-((6,8-Dimethyl-5,7-dioxo-2-(thiophen-2-yl)-5,6,7,8-tetrahydropyrimido[4,5-d]pyrimidin-4-yl)thio)-N-(o-tolyl)acetamide

CAS 847191-59-7C₂₁H₁₉N₅O₃S₂

4-(4-Methoxyphenyl)-2-(1H-pyrrol-1-yl)-N-[(2Z)-5-(tetrahydrofuran-2-yl)-1,3,4-thiadiazol-2(3H)-ylidene]-1,3-thiazole-5-carboxamide

CAS 1282140-35-5C₂₁H₁₉N₅O₃S₂

4-[Bis(2-cyanoethyl)sulfamoyl]-N-(4-methyl-1,3-benzothiazol-2-yl)benzamide

CAS 313405-01-5C₂₁H₁₉N₅O₃S₂

4-[Bis(2-cyanoethyl)sulfamoyl]-N-(3-methyl-1,3-benzothiazol-2-ylidene)benzamide

CAS 325988-40-7C₂₁H₁₉N₅O₃S₂

2-(1,3-Dimethyl-2,4-dioxo-7-thiophen-2-ylpyrimido[4,5-d]pyrimidin-5-yl)sulfanyl-N-(4-methylphenyl)acetamide

CAS 847191-61-1C₂₁H₁₉N₅O₃S₂

2-(1,3-Dimethyl-2,4-dioxo-7-thiophen-2-ylpyrimido[4,5-d]pyrimidin-5-yl)sulfanyl-N-(3-methylphenyl)acetamide

CAS 847191-60-0C₂₁H₁₉N₅O₃S₂

2-((6-Amino-1-(3-methoxyphenyl)-4-oxo-1,4-dihydropyrimidin-2-yl)thio)-N-(6-methylbenzo[d]thiazol-2-yl)acetamide

CAS 893987-46-7C₂₁H₁₉N₅O₃S₂

2-((6-(2-(4-Methoxyphenyl)-4-methylthiazol-5-yl)pyridazin-3-yl)thio)-N-(3-methylisoxazol-5-yl)acetamide

CAS 954588-86-4C₂₁H₁₉N₅O₃S₂

5-Oxo-N-(5-((2-oxo-2-(phenylamino)ethyl)thio)-1,3,4-thiadiazol-2-yl)-1-phenylpyrrolidine-3-carboxamide

CAS 872594-63-3C₂₁H₁₉N₅O₃S₂

2-(2-Morpholino-4-oxo-7-(thiophen-2-yl)thiazolo[4,5-d]pyridazin-5(4H)-yl)-N-phenylacetamide

CAS 1021078-26-1C₂₁H₁₉N₅O₃S₂

2-(6-Amino-4-oxo-1-phenylpyrimidin-2-yl)sulfanyl-N-(6-ethoxy-1,3-benzothiazol-2-yl)acetamide

CAS 831187-71-4C₂₁H₁₉N₅O₃S₂

2-(N-Methyl-2-phenylethenesulfonamido)-N-{6-phenylimidazo[2,1-b][1,3,4]thiadiazol-2-yl}acetamide

CAS 925407-40-5C₂₁H₁₉N₅O₃S₂

N-(2-Ethoxyphenyl)-2-({4-oxo-3-[(thiophen-2-yl)methyl]-3,4-dihydropteridin-2-yl}sulfanyl)acetamide

CAS 902858-73-5C₂₁H₁₉N₅O₃S₂

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What is the molar mass of C21H19N5O3S2?

The molar mass of C21H19N5O3S2 is 453.54 g/mol, calculated from standard atomic weights for 21 carbon atoms, 19 hydrogen atoms, 5 nitrogen atoms, 3 oxygen atoms and 2 sulfur atoms. The monoisotopic mass is 453.0929 Da.

How many compounds have the formula C21H19N5O3S2?

CompoundList lists 21 compounds with the molecular formula C21H19N5O3S2, including N-(4-Acetylphenyl)-2-((4-methyl-5-((2-oxobenzo[d]thiazol-3(2H)-yl)methyl)-4H-1,2,4-triazol-3-yl)thio)acetamide, N-{4-[5-(Acetamidomethyl)thiophen-2-yl]-1,3-thiazol-2-yl}-3-(4-oxo-3,4-dihydroquinazolin-2-yl)propanamide, N-Benzyl-2-((6,8-dimethyl-5,7-dioxo-2-(thiophen-2-yl)-5,6,7,8-tetrahydropyrimido[4,5-d]pyrimidin-4-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 C21H19N5O3S2?

C21H19N5O3S2 has a degree of unsaturation of 15. 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.