Molecular formula

C₂₁H₂₁N₃O₂S₂

41 compounds have this formula on CompoundList.

Molar mass: 411.54g/mol
Monoisotopic mass: 411.1075Da
Atoms: 49
Elements: 5
Rings plus double bonds: 13

The formula C21H21N3O2S2 describes a molecule made of 21 carbon atoms, 21 hydrogen atoms, 3 nitrogen atoms, 2 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 × 2161.29%
12.011 × 21 = 252.231 g/mol
H Hydrogen × 215.14%
1.008 × 21 = 21.168 g/mol
N Nitrogen × 310.21%
14.007 × 3 = 42.021 g/mol
O Oxygen × 27.78%
15.999 × 2 = 31.998 g/mol
S Sulfur × 215.58%
32.06 × 2 = 64.120 g/mol

Look up another formula

Compounds with the formula C21H21N3O2S2

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

Showing 1 to 41 of 41 compounds

2-(1-Phenyl-3-(thiophen-2-yl)-1H-pyrazol-4-yl)-3-((tetrahydrofuran-2-yl)methyl)thiazolidin-4-one

CAS 380471-87-4C₂₁H₂₁N₃O₂S₂

4-[5-(4-Ethylbenzylidene)-4-oxo-2-thioxo-1,3-thiazolidin-3-yl]-N-2-pyridinylbutanamide

CAS 1164543-38-7C₂₁H₂₁N₃O₂S₂

(5E)-5-(2-(Hexyloxy)benzylidene)-2-(2-thienyl)(1,3)thiazolo(3,2-B)(1,2,4)triazol-6(5H)-one

CAS 617695-16-6C₂₁H₂₁N₃O₂S₂

4-Methyl-N-[2-(2-oxo-2-pyrrolidin-1-ylethyl)sulfanyl-1,3-benzothiazol-6-yl]benzamide

CAS 425657-52-9C₂₁H₂₁N₃O₂S₂

(Z)-2-((2-(3,4-Dihydroquinolin-1(2H)-yl)-2-oxoethyl)thio)-N-(3-methylbenzo[d]thiazol-2(3H)-ylidene)acetamide

CAS 851717-26-5C₂₁H₂₁N₃O₂S₂

N-(2-Benzylsulfanylethyl)-4-oxo-3-prop-2-enyl-2-sulfanylidene-1H-quinazoline-7-carboxamide

CAS 421590-88-7C₂₁H₂₁N₃O₂S₂

(Z)-N-(3-Ethylbenzo[d]thiazol-2(3H)-ylidene)-2-((2-(indolin-1-yl)-2-oxoethyl)thio)acetamide

CAS 862826-54-8C₂₁H₂₁N₃O₂S₂

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

CAS 477556-00-6C₂₁H₂₁N₃O₂S₂

N-(3-(2,3-Dihydroimidazo[2,1-b]thiazol-6-yl)phenyl)-5,6,7,8-tetrahydronaphthalene-2-sulfonamide

CAS 893971-41-0C₂₁H₂₁N₃O₂S₂

N-(4-Methylphenyl)-2-[(1-oxo-2-prop-2-enyl-7,8-dihydro-6H-cyclopenta[2,3]thieno[2,4-b]pyrimidin-3-yl)sulfanyl]acetamide

CAS 314260-50-9C₂₁H₂₁N₃O₂S₂

5-Cyano-6-ethylsulfanyl-N-(2-methoxyphenyl)-2-methyl-4-thiophen-2-yl-1,4-dihydropyridine-3-carboxamide

CAS 207003-95-0C₂₁H₂₁N₃O₂S₂

$2-{[3-Oxo-4-(prop-2-en-1-yl)-8-thia-4,6-diazatricyclo[7.4.0.0^{2,7}]trideca-1(9),2(7),5-trien-5-yl]sulfanyl}-N-phenylacetamide chemical structure, C21H21N3O2S2, CAS 303228-46-8$

2-{[3-Oxo-4-(prop-2-en-1-yl)-8-thia-4,6-diazatricyclo[7.4.0.0^{2,7}]trideca-1(9),2(7),5-trien-5-yl]sulfanyl}-N-phenylacetamide

CAS 303228-46-8C₂₁H₂₁N₃O₂S₂

2-((5,6-Dimethylthieno[2,3-d]pyrimidin-4-yl)thio)-1-(1-(furan-2-ylmethyl)-2,5-dimethyl-1H-pyrrol-3-yl)ethanone

CAS 379242-31-6C₂₁H₂₁N₃O₂S₂

(Z)-4-(5-(4-Ethylbenzylidene)-4-oxo-2-thioxothiazolidin-3-yl)-N-(pyridin-3-yl)butanamide

CAS 315243-44-8C₂₁H₂₁N₃O₂S₂

N-[4-(8-Methoxy-4,4-dimethyl-1-sulfanylidene-5H-[1,2]thiazolo[5,4-c]quinolin-2-yl)phenyl]acetamide

CAS 332074-32-5C₂₁H₂₁N₃O₂S₂

$N-Benzyl-2-{[12-oxo-11-(prop-2-en-1-yl)-7-thia-9,11-diazatricyclo[6.4.0.0^{2,6}]dodeca-1(8),2(6),9-trien-10-yl]sulfanyl}acetamide chemical structure, C21H21N3O2S2, CAS 457952-50-0$

N-Benzyl-2-{[12-oxo-11-(prop-2-en-1-yl)-7-thia-9,11-diazatricyclo[6.4.0.0^{2,6}]dodeca-1(8),2(6),9-trien-10-yl]sulfanyl}acetamide

CAS 457952-50-0C₂₁H₂₁N₃O₂S₂

2-[(3-Ethyl-6-methyl-4-oxo-6,7-dihydrothieno[3,2-d]pyrimidin-2-yl)sulfanyl]-N-naphthalen-1-ylacetamide

CAS 851409-67-1C₂₁H₂₁N₃O₂S₂

N-[[4-(2,5-Dimethylphenyl)-5-methyl-1,3-thiazol-2-yl]carbamothioyl]-4-methoxybenzamide

CAS 438233-48-8C₂₁H₂₁N₃O₂S₂

1-[4-[Ethyl(phenyl)sulfamoyl]phenyl]-3-phenylthiourea

CAS 650575-53-4C₂₁H₂₁N₃O₂S₂

4-[(Anilinocarbothioyl)amino]-N-(2-phenylethyl)benzenesulfonamide

CAS 651296-75-2C₂₁H₂₁N₃O₂S₂

2-((2-Oxo-1-(thiophen-2-ylmethyl)-2,5,6,7-tetrahydro-1H-cyclopenta[d]pyrimidin-4-yl)thio)-N-(p-tolyl)acetamide

CAS 899747-11-6C₂₁H₂₁N₃O₂S₂

1-[4-[Benzyl(methyl)sulfamoyl]phenyl]-3-phenylthiourea

CAS 496040-80-3C₂₁H₂₁N₃O₂S₂

10-(2-Oxo-2-pyrrolidin-1-ylethyl)sulfanyl-11-phenyl-7-thia-9,11-diazatricyclo[6.4.0.02,6]dodeca-1(8),2(6),9-trien-12-one

CAS 496027-18-0C₂₁H₂₁N₃O₂S₂

3-Butoxy-N-[(4-phenyl-1,3-thiazol-2-yl)carbamothioyl]benzamide

CAS 426228-22-0C₂₁H₂₁N₃O₂S₂

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What is the molar mass of C21H21N3O2S2?

The molar mass of C21H21N3O2S2 is 411.54 g/mol, calculated from standard atomic weights for 21 carbon atoms, 21 hydrogen atoms, 3 nitrogen atoms, 2 oxygen atoms and 2 sulfur atoms. The monoisotopic mass is 411.1075 Da.

How many compounds have the formula C21H21N3O2S2?

CompoundList lists 41 compounds with the molecular formula C21H21N3O2S2, including 2-(1-Phenyl-3-(thiophen-2-yl)-1H-pyrazol-4-yl)-3-((tetrahydrofuran-2-yl)methyl)thiazolidin-4-one, 4-[5-(4-Ethylbenzylidene)-4-oxo-2-thioxo-1,3-thiazolidin-3-yl]-N-2-pyridinylbutanamide, (5E)-5-(2-(Hexyloxy)benzylidene)-2-(2-thienyl)(1,3)thiazolo(3,2-B)(1,2,4)triazol-6(5H)-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 C21H21N3O2S2?

C21H21N3O2S2 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.