Molecular formula

C₂₁H₂₁N₃O₃S₂

106 compounds have this formula on CompoundList.

Molar mass: 427.54g/mol
Monoisotopic mass: 427.1024Da
Atoms: 50
Elements: 5
Rings plus double bonds: 13

The formula C21H21N3O3S2 describes a molecule made of 21 carbon atoms, 21 hydrogen atoms, 3 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 × 2159.00%
12.011 × 21 = 252.231 g/mol
H Hydrogen × 214.95%
1.008 × 21 = 21.168 g/mol
N Nitrogen × 39.83%
14.007 × 3 = 42.021 g/mol
O Oxygen × 311.23%
15.999 × 3 = 47.997 g/mol
S Sulfur × 215.00%
32.06 × 2 = 64.120 g/mol

Look up another formula

Compounds with the formula C21H21N3O3S2

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

Showing 1 to 100 of 106 compounds

2-((3-Benzyl-6-methyl-4-oxo-3,4,6,7-tetrahydrothieno[3,2-d]pyrimidin-2-yl)thio)-N-(furan-2-ylmethyl)acetamide

CAS 689262-91-7C₂₁H₂₁N₃O₃S₂

Ethyl 2-({[(4,6-dimethyl-2-pyrimidinyl)thio]acetyl}amino)-4-phenyl-3-thiophenecarboxylate

CAS 637322-31-7C₂₁H₂₁N₃O₃S₂

N-[3-(tert-Butylcarbamoyl)-5-(thiophene-2-carbonylamino)phenyl]thiophene-2-carboxamide

CAS 355403-33-7C₂₁H₂₁N₃O₃S₂

2-Methyl-N-[2-(2-morpholin-4-yl-2-oxoethyl)sulfanyl-1,3-benzothiazol-6-yl]benzamide

CAS 311764-99-5C₂₁H₂₁N₃O₃S₂

N-(2-Ethylsulfanyl-1,3-benzothiazol-6-yl)-2-(morpholine-4-carbonyl)benzamide

CAS 358637-21-5C₂₁H₂₁N₃O₃S₂

(2-(Methylthio)pyridin-3-yl)(4-(naphthalen-2-ylsulfonyl)piperazin-1-yl)methanone

CAS 756838-04-7C₂₁H₂₁N₃O₃S₂

Methyl 2-(4-(6-(methylthio)benzo[d]thiazol-2-yl)piperazine-1-carbonyl)benzoate

CAS 1170984-30-1C₂₁H₂₁N₃O₃S₂

N-(1,1-Dioxidotetrahydrothiophen-3-yl)-2-((1,5-diphenyl-1H-imidazol-2-yl)thio)acetamide

CAS 870984-18-2C₂₁H₂₁N₃O₃S₂

N-(5-Phenylthiazol-2-yl)-4-(piperidin-1-ylsulfonyl)benzamide

CAS 361172-97-6C₂₁H₂₁N₃O₃S₂

(E)-4-(N,N-Diallylsulfamoyl)-N-(3-methylbenzo[d]thiazol-2(3H)-ylidene)benzamide

CAS 476625-96-4C₂₁H₂₁N₃O₃S₂

4-((Z)-5-((E)-2-Methyl-3-phenylallylidene)-4-oxo-2-thioxothiazolidin-3-yl)-N-(5-methylisoxazol-3-yl)butanamide

CAS 637317-74-9C₂₁H₂₁N₃O₃S₂

N-(2,3-Dihydro-1,4-benzodioxin-6-yl)-2-[(7-methyl-5,6,7,8-tetrahydro-[1]benzothiolo[2,3-d]pyrimidin-4-yl)sulfanyl]acetamide

CAS 484657-13-8C₂₁H₂₁N₃O₃S₂

Ethyl 3-(benzo[d]thiazol-2-yl)-2-(cyclopropanecarboxamido)-4,5-dihydrothieno[2,3-c]pyridine-6(7H)-carboxylate

CAS 946359-91-7C₂₁H₂₁N₃O₃S₂

Ethyl 4-[[2-(5,6,7,8-tetrahydro-[1]benzothiolo[2,3-d]pyrimidin-4-ylsulfanyl)acetyl]amino]benzoate

CAS 315681-95-9C₂₁H₂₁N₃O₃S₂

$N-[(2H-1,3-Benzodioxol-5-yl)methyl]-3-({10-methyl-7-thia-9,11-diazatricyclo[6.4.0.0^{2,6}]dodeca-1(8),2(6),9,11-tetraen-12-yl}sulfanyl)propanamide chemical structure, C21H21N3O3S2, CAS 727689-38-5$

N-[(2H-1,3-Benzodioxol-5-yl)methyl]-3-({10-methyl-7-thia-9,11-diazatricyclo[6.4.0.0^{2,6}]dodeca-1(8),2(6),9,11-tetraen-12-yl}sulfanyl)propanamide

CAS 727689-38-5C₂₁H₂₁N₃O₃S₂

N-(4,5-Diphenylthiazol-2-yl)-1-(methylsulfonyl)pyrrolidine-2-carboxamide

CAS 1219421-60-9C₂₁H₂₁N₃O₃S₂

$N-[(2H-1,3-Benzodioxol-5-yl)methyl]-2-{8-thia-4,6-diazatricyclo[7.5.0.0^{2,7}]tetradeca-1(9),2(7),3,5-tetraen-3-ylsulfanyl}acetamide chemical structure, C21H21N3O3S2, CAS 690642-45-6$

N-[(2H-1,3-Benzodioxol-5-yl)methyl]-2-{8-thia-4,6-diazatricyclo[7.5.0.0^{2,7}]tetradeca-1(9),2(7),3,5-tetraen-3-ylsulfanyl}acetamide

CAS 690642-45-6C₂₁H₂₁N₃O₃S₂

(E)-1-(4-(4-(Methylsulfonyl)benzo[d]thiazol-2-yl)piperazin-1-yl)-3-phenylprop-2-en-1-one

CAS 941962-03-4C₂₁H₂₁N₃O₃S₂

4-(N,N-Diallylsulfamoyl)-N-(4-methylbenzo[d]thiazol-2-yl)benzamide

CAS 476625-94-2C₂₁H₂₁N₃O₃S₂

4-(N,N-Diethylsulfamoyl)-N-(8H-indeno[1,2-d]thiazol-2-yl)benzamide

CAS 681156-89-8C₂₁H₂₁N₃O₃S₂

N-(2-((2-Amino-2-oxoethyl)thio)-4-phenylthiazol-5-yl)-3-(4-methoxyphenyl)propanamide

CAS 946271-61-0C₂₁H₂₁N₃O₃S₂

2-{2-[(4-Methanesulfonylphenyl)amino]-1,3-thiazol-4-yl}-1-(1,2,3,4-tetrahydroisoquinolin-2-yl)ethan-1-one

CAS 1040658-81-8C₂₁H₂₁N₃O₃S₂

N-{4-[3-Oxo-3-(1,2,3,4-tetrahydroisoquinolin-2-yl)propyl]-1,3-thiazol-2-yl}benzenesulfonamide

CAS 1040640-73-0C₂₁H₂₁N₃O₃S₂

2-(2-((3-Methoxybenzyl)thio)-6-oxo-1,6-dihydropyrimidin-4-yl)-N-(2-(methylthio)phenyl)acetamide

CAS 1105237-64-6C₂₁H₂₁N₃O₃S₂

Frequently asked questions

Still have a question?

The help centre explains buying, quotes and supplier badges step by step, or you can write to our team.

Help centre Contact us

What is the molar mass of C21H21N3O3S2?

The molar mass of C21H21N3O3S2 is 427.54 g/mol, calculated from standard atomic weights for 21 carbon atoms, 21 hydrogen atoms, 3 nitrogen atoms, 3 oxygen atoms and 2 sulfur atoms. The monoisotopic mass is 427.1024 Da.

How many compounds have the formula C21H21N3O3S2?

CompoundList lists 106 compounds with the molecular formula C21H21N3O3S2, including 2-((3-Benzyl-6-methyl-4-oxo-3,4,6,7-tetrahydrothieno[3,2-d]pyrimidin-2-yl)thio)-N-(furan-2-ylmethyl)acetamide, Ethyl 2-({[(4,6-dimethyl-2-pyrimidinyl)thio]acetyl}amino)-4-phenyl-3-thiophenecarboxylate, N-[3-(tert-Butylcarbamoyl)-5-(thiophene-2-carbonylamino)phenyl]thiophene-2-carboxamide. 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 C21H21N3O3S2?

C21H21N3O3S2 has a degree of unsaturation of 13. 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.