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Molecular formula

C21H25N5O2S2

17 compounds have this formula on CompoundList.

Molar mass
443.58g/mol
Monoisotopic mass
443.1450Da
Atoms
55
Elements
5
Rings plus double bonds
12

The formula C21H25N5O2S2 describes a molecule made of 21 carbon atoms, 25 hydrogen atoms, 5 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 × 2156.86%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 255.68%
    1.008 × 25 = 25.200 g/mol
  • N Nitrogen × 515.79%
    14.007 × 5 = 70.035 g/mol
  • O Oxygen × 27.21%
    15.999 × 2 = 31.998 g/mol
  • S Sulfur × 214.45%
    32.06 × 2 = 64.120 g/mol
Look up another formula

Compounds with the formula C21H25N5O2S2

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

Showing 1 to 17 of 17 compounds

2-(4-Ethyl-1-piperazinyl)-3-((Z)-(3-isopropyl-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene)methyl)-4H-pyrido(1,2-A)pyrimidin-4-one chemical structure, C21H25N5O2S2, CAS 369399-97-3
2-(4-Ethyl-1-piperazinyl)-3-((Z)-(3-isopropyl-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene)methyl)-4H-pyrido(1,2-A)pyrimidin-4-one
CAS 369399-97-3C21H25N5O2S2
3-[(Z)-(3-Isopropyl-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene)methyl]-9-M ethyl-2-(4-methyl-1-piperazinyl)-4H-pyrido[1,2-A]pyrimidin-4-one chemical structure, C21H25N5O2S2, CAS 374095-80-4
3-[(Z)-(3-Isopropyl-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene)methyl]-9-M ethyl-2-(4-methyl-1-piperazinyl)-4H-pyrido[1,2-A]pyrimidin-4-one
CAS 374095-80-4C21H25N5O2S2
3-[(Z)-(3-Butyl-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene)methyl]-2-(4-methyl-1-piperazinyl)-4H-pyrido[1,2-A]pyrimidin-4-one chemical structure, C21H25N5O2S2, CAS 374542-07-1
3-[(Z)-(3-Butyl-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene)methyl]-2-(4-methyl-1-piperazinyl)-4H-pyrido[1,2-A]pyrimidin-4-one
CAS 374542-07-1C21H25N5O2S2
3-((Z)-(3-Isobutyl-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene)methyl)-2-(4-methyl-1-piperazinyl)-4H-pyrido(1,2-A)pyrimidin-4-one chemical structure, C21H25N5O2S2, CAS 372494-23-0
3-((Z)-(3-Isobutyl-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene)methyl)-2-(4-methyl-1-piperazinyl)-4H-pyrido(1,2-A)pyrimidin-4-one
CAS 372494-23-0C21H25N5O2S2
3-[(E)-(3-Ethyl-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene)methyl]-2-(4-ethyl-1-piperazinyl)-9-methyl-4H-pyrido[1,2-A]pyrimidin-4-one chemical structure, C21H25N5O2S2, CAS 380882-30-4
3-[(E)-(3-Ethyl-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene)methyl]-2-(4-ethyl-1-piperazinyl)-9-methyl-4H-pyrido[1,2-A]pyrimidin-4-one
CAS 380882-30-4C21H25N5O2S2
N-(Benzo[d]thiazol-2-yl)-2-((1-(2-(dimethylamino)ethyl)-2-oxo-1,2,5,6,7,8-hexahydroquinazolin-4-yl)thio)acetamide chemical structure, C21H25N5O2S2, CAS 899749-27-0
N-(Benzo[d]thiazol-2-yl)-2-((1-(2-(dimethylamino)ethyl)-2-oxo-1,2,5,6,7,8-hexahydroquinazolin-4-yl)thio)acetamide
CAS 899749-27-0C21H25N5O2S2
3-{2-[(Cyclohexylcarbamoyl)amino]-1,3-thiazol-4-yl}-N-(4-methyl-1,3-benzothiazol-2-yl)propanamide chemical structure, C21H25N5O2S2, CAS 1091179-49-5
3-{2-[(Cyclohexylcarbamoyl)amino]-1,3-thiazol-4-yl}-N-(4-methyl-1,3-benzothiazol-2-yl)propanamide
CAS 1091179-49-5C21H25N5O2S2
3-[(3-Isopropyl-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene)methyl]-7-methyl-2-(4-methyl-1-piperazinyl)-4H-pyrido[1,2-a]pyrimidin-4-one chemical structure, C21H25N5O2S2, CAS 488825-11-2
3-[(3-Isopropyl-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene)methyl]-7-methyl-2-(4-methyl-1-piperazinyl)-4H-pyrido[1,2-a]pyrimidin-4-one
CAS 488825-11-2C21H25N5O2S2
3-[(Z)-(3-sec-Butyl-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene)methyl]-2-(4-methyl-1-piperazinyl)-4H-pyrido[1,2-a]pyrimidin-4-one chemical structure, C21H25N5O2S2, CAS 489463-06-1
3-[(Z)-(3-sec-Butyl-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene)methyl]-2-(4-methyl-1-piperazinyl)-4H-pyrido[1,2-a]pyrimidin-4-one
CAS 489463-06-1C21H25N5O2S2
N-(3-Cyano-4,5,6,7-tetrahydro-1-benzothiophen-2-yl)-2-{[5-cyclopropyl-4-(tetrahydrofuran-2-ylmethyl)-4H-1,2,4-triazol-3-yl]sulfanyl}acetamide chemical structure, C21H25N5O2S2, CAS 847473-84-1
N-(3-Cyano-4,5,6,7-tetrahydro-1-benzothiophen-2-yl)-2-{[5-cyclopropyl-4-(tetrahydrofuran-2-ylmethyl)-4H-1,2,4-triazol-3-yl]sulfanyl}acetamide
CAS 847473-84-1C21H25N5O2S2
N-(4-Phenyl-1,3-thiazol-2-yl)-2-{[5-(propan-2-yl)-4-(tetrahydrofuran-2-ylmethyl)-4H-1,2,4-triazol-3-yl]sulfanyl}acetamide chemical structure, C21H25N5O2S2, CAS 892197-04-5
N-(4-Phenyl-1,3-thiazol-2-yl)-2-{[5-(propan-2-yl)-4-(tetrahydrofuran-2-ylmethyl)-4H-1,2,4-triazol-3-yl]sulfanyl}acetamide
CAS 892197-04-5C21H25N5O2S2
7-Methyl-2-(4-methylpiperazin-1-yl)-3-[(Z)-(4-oxo-3-propyl-2-thioxo-1,3-thiazolidin-5-ylidene)methyl]-4H-pyrido[1,2-a]pyrimidin-4-one chemical structure, C21H25N5O2S2, CAS 488843-68-1
7-Methyl-2-(4-methylpiperazin-1-yl)-3-[(Z)-(4-oxo-3-propyl-2-thioxo-1,3-thiazolidin-5-ylidene)methyl]-4H-pyrido[1,2-a]pyrimidin-4-one
CAS 488843-68-1C21H25N5O2S2
9-Methyl-2-(4-methylpiperazin-1-yl)-3-[(Z)-(4-oxo-3-propyl-2-thioxo-1,3-thiazolidin-5-ylidene)methyl]-4H-pyrido[1,2-a]pyrimidin-4-one chemical structure, C21H25N5O2S2, CAS 497940-17-7
9-Methyl-2-(4-methylpiperazin-1-yl)-3-[(Z)-(4-oxo-3-propyl-2-thioxo-1,3-thiazolidin-5-ylidene)methyl]-4H-pyrido[1,2-a]pyrimidin-4-one
CAS 497940-17-7C21H25N5O2S2
2-(4-Ethylpiperazin-1-yl)-3-[(Z)-(4-oxo-3-propyl-2-thioxo-1,3-thiazolidin-5-ylidene)methyl]-4H-pyrido[1,2-a]pyrimidin-4-one chemical structure, C21H25N5O2S2, CAS 797770-75-3
2-(4-Ethylpiperazin-1-yl)-3-[(Z)-(4-oxo-3-propyl-2-thioxo-1,3-thiazolidin-5-ylidene)methyl]-4H-pyrido[1,2-a]pyrimidin-4-one
CAS 797770-75-3C21H25N5O2S2
3-[(Z)-(3-Ethyl-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene)methyl]-2-(4-ethylpiperazin-1-yl)-7-methyl-4H-pyrido[1,2-a]pyrimidin-4-one chemical structure, C21H25N5O2S2, CAS 431993-76-9
3-[(Z)-(3-Ethyl-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene)methyl]-2-(4-ethylpiperazin-1-yl)-7-methyl-4H-pyrido[1,2-a]pyrimidin-4-one
CAS 431993-76-9C21H25N5O2S2
2-({1-[2-(Dimethylamino)ethyl]-2-oxo-1H,2H,5H,6H,7H-cyclopenta[d]pyrimidin-4-yl}sulfanyl)-N-(6-methyl-1,3-benzothiazol-2-yl)acetamide chemical structure, C21H25N5O2S2, CAS 933203-96-4
2-({1-[2-(Dimethylamino)ethyl]-2-oxo-1H,2H,5H,6H,7H-cyclopenta[d]pyrimidin-4-yl}sulfanyl)-N-(6-methyl-1,3-benzothiazol-2-yl)acetamide
CAS 933203-96-4C21H25N5O2S2
2-(4-(5-(4-Methoxybenzyl)-1,3,4-thiadiazol-2-yl)piperidin-1-yl)-N-(4-methylthiazol-2-yl)acetamide chemical structure, C21H25N5O2S2, CAS 1251609-97-8
2-(4-(5-(4-Methoxybenzyl)-1,3,4-thiadiazol-2-yl)piperidin-1-yl)-N-(4-methylthiazol-2-yl)acetamide
CAS 1251609-97-8C21H25N5O2S2

Frequently asked questions

What is the molar mass of C21H25N5O2S2?

The molar mass of C21H25N5O2S2 is 443.58 g/mol, calculated from standard atomic weights for 21 carbon atoms, 25 hydrogen atoms, 5 nitrogen atoms, 2 oxygen atoms and 2 sulfur atoms. The monoisotopic mass is 443.1450 Da.

How many compounds have the formula C21H25N5O2S2?

CompoundList lists 17 compounds with the molecular formula C21H25N5O2S2, including 2-(4-Ethyl-1-piperazinyl)-3-((Z)-(3-isopropyl-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene)methyl)-4H-pyrido(1,2-A)pyrimidin-4-one, 3-[(Z)-(3-Isopropyl-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene)methyl]-9-M ethyl-2-(4-methyl-1-piperazinyl)-4H-pyrido[1,2-A]pyrimidin-4-one, 3-[(Z)-(3-Butyl-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene)methyl]-2-(4-methyl-1-piperazinyl)-4H-pyrido[1,2-A]pyrimidin-4-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 C21H25N5O2S2?

C21H25N5O2S2 has a degree of unsaturation of 12. 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.