CompoundList
Sign in
Molecular formula

C21H25N5O3S2

22 compounds have this formula on CompoundList.

Molar mass
459.58g/mol
Monoisotopic mass
459.1399Da
Atoms
56
Elements
5
Rings plus double bonds
12

The formula C21H25N5O3S2 describes a molecule made of 21 carbon atoms, 25 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 × 2154.88%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 255.48%
    1.008 × 25 = 25.200 g/mol
  • N Nitrogen × 515.24%
    14.007 × 5 = 70.035 g/mol
  • O Oxygen × 310.44%
    15.999 × 3 = 47.997 g/mol
  • S Sulfur × 213.95%
    32.06 × 2 = 64.120 g/mol
Look up another formula

Compounds with the formula C21H25N5O3S2

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

Showing 1 to 22 of 22 compounds

3-((Z)-(3-(3-Methoxypropyl)-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene)met hyl)-2-(4-methyl-1-piperazinyl)-4H-pyrido(1,2-A)pyrimidin-4-one chemical structure, C21H25N5O3S2, CAS 373619-32-0
3-((Z)-(3-(3-Methoxypropyl)-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene)met hyl)-2-(4-methyl-1-piperazinyl)-4H-pyrido(1,2-A)pyrimidin-4-one
CAS 373619-32-0C21H25N5O3S2
3-{(Z)-[3-(2-Methoxyethyl)-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene]meth YL}-9-methyl-2-(4-methyl-1-piperazinyl)-4H-pyrido[1,2-A]pyrimidin-4-one chemical structure, C21H25N5O3S2, CAS 361996-80-7
3-{(Z)-[3-(2-Methoxyethyl)-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene]meth YL}-9-methyl-2-(4-methyl-1-piperazinyl)-4H-pyrido[1,2-A]pyrimidin-4-one
CAS 361996-80-7C21H25N5O3S2
2-[4-(2-Hydroxyethyl)-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, C21H25N5O3S2, CAS 361994-90-3
2-[4-(2-Hydroxyethyl)-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 361994-90-3C21H25N5O3S2
2-(4-Ethyl-1-piperazinyl)-3-{(Z)-[3-(2-methoxyethyl)-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene]methyl}-4H-pyrido[1,2-A]pyrimidin-4-one chemical structure, C21H25N5O3S2, CAS 442565-90-4
2-(4-Ethyl-1-piperazinyl)-3-{(Z)-[3-(2-methoxyethyl)-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene]methyl}-4H-pyrido[1,2-A]pyrimidin-4-one
CAS 442565-90-4C21H25N5O3S2
2-[(4-Methyl-5-{[methyl(phenylsulfonyl)amino]methyl}-4H-1,2,4-triazol-3-yl)thio]-N-(2-phenylethyl)acetamide chemical structure, C21H25N5O3S2, CAS 667867-69-8
2-[(4-Methyl-5-{[methyl(phenylsulfonyl)amino]methyl}-4H-1,2,4-triazol-3-yl)thio]-N-(2-phenylethyl)acetamide
CAS 667867-69-8C21H25N5O3S2
N-Cyclohexyl-2-(2-morpholino-4-oxo-7-(thiophen-2-yl)thiazolo[4,5-d]pyridazin-5(4H)-yl)acetamide chemical structure, C21H25N5O3S2, CAS 1021045-15-7
N-Cyclohexyl-2-(2-morpholino-4-oxo-7-(thiophen-2-yl)thiazolo[4,5-d]pyridazin-5(4H)-yl)acetamide
CAS 1021045-15-7C21H25N5O3S2
1-[5,6-Dimethylthieno[2,3-d]pyrimidin-4-yl]-N-[(4-sulfamoylphenyl)methyl]piperidine-4-carboxamide chemical structure, C21H25N5O3S2, CAS 874665-84-6
1-[5,6-Dimethylthieno[2,3-d]pyrimidin-4-yl]-N-[(4-sulfamoylphenyl)methyl]piperidine-4-carboxamide
CAS 874665-84-6C21H25N5O3S2
(6-Cyclopropyl-1-propyl-1H-pyrazolo[3,4-b]pyridin-4-yl)[4-(thiophen-2-ylsulfonyl)piperazin-1-yl]methanone chemical structure, C21H25N5O3S2, CAS 938022-34-5
(6-Cyclopropyl-1-propyl-1H-pyrazolo[3,4-b]pyridin-4-yl)[4-(thiophen-2-ylsulfonyl)piperazin-1-yl]methanone
CAS 938022-34-5C21H25N5O3S2
(Z)-3-Ethyl-5-((2-(4-(2-hydroxyethyl)piperazin-1-yl)-7-methyl-4-oxo-4H-pyrido[1,2-a]pyrimidin-3-yl)methylene)-2-thioxothiazolidin-4-one chemical structure, C21H25N5O3S2, CAS 499118-84-2
(Z)-3-Ethyl-5-((2-(4-(2-hydroxyethyl)piperazin-1-yl)-7-methyl-4-oxo-4H-pyrido[1,2-a]pyrimidin-3-yl)methylene)-2-thioxothiazolidin-4-one
CAS 499118-84-2C21H25N5O3S2
(Z)-5-((2-(4-(2-Hydroxyethyl)piperazin-1-yl)-4-oxo-4H-pyrido[1,2-a]pyrimidin-3-yl)methylene)-3-propyl-2-thioxothiazolidin-4-one chemical structure, C21H25N5O3S2, CAS 488823-07-0
(Z)-5-((2-(4-(2-Hydroxyethyl)piperazin-1-yl)-4-oxo-4H-pyrido[1,2-a]pyrimidin-3-yl)methylene)-3-propyl-2-thioxothiazolidin-4-one
CAS 488823-07-0C21H25N5O3S2
(Z)-3-Ethyl-5-((2-(4-(2-hydroxyethyl)piperazin-1-yl)-9-methyl-4-oxo-4H-pyrido[1,2-a]pyrimidin-3-yl)methylene)-2-thioxothiazolidin-4-one chemical structure, C21H25N5O3S2, CAS 498571-35-0
(Z)-3-Ethyl-5-((2-(4-(2-hydroxyethyl)piperazin-1-yl)-9-methyl-4-oxo-4H-pyrido[1,2-a]pyrimidin-3-yl)methylene)-2-thioxothiazolidin-4-one
CAS 498571-35-0C21H25N5O3S2
3-((3,4-Dimethylphenyl)sulfonyl)-N-(3-isopropoxypropyl)thieno[2,3-e][1,2,3]triazolo[1,5-a]pyrimidin-5-amine chemical structure, C21H25N5O3S2, CAS 892735-12-5
3-((3,4-Dimethylphenyl)sulfonyl)-N-(3-isopropoxypropyl)thieno[2,3-e][1,2,3]triazolo[1,5-a]pyrimidin-5-amine
CAS 892735-12-5C21H25N5O3S2
3-{(Z)-[3-(2-Methoxyethyl)-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, C21H25N5O3S2, CAS 616211-82-6
3-{(Z)-[3-(2-Methoxyethyl)-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 616211-82-6C21H25N5O3S2
Benzo[d]thiazol-2-yl(4-(1-(1,1-dioxidotetrahydrothiophen-3-yl)-3,5-dimethyl-1H-pyrazol-4-yl)piperazin-1-yl)methanone chemical structure, C21H25N5O3S2, CAS 1251576-53-0
Benzo[d]thiazol-2-yl(4-(1-(1,1-dioxidotetrahydrothiophen-3-yl)-3,5-dimethyl-1H-pyrazol-4-yl)piperazin-1-yl)methanone
CAS 1251576-53-0C21H25N5O3S2
3-[(Z)-(3-Ethyl-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene)methyl]-2-[(3-morpholin-4-ylpropyl)amino]-4H-pyrido[1,2-a]pyrimidin-4-one chemical structure, C21H25N5O3S2, CAS 840482-41-9
3-[(Z)-(3-Ethyl-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene)methyl]-2-[(3-morpholin-4-ylpropyl)amino]-4H-pyrido[1,2-a]pyrimidin-4-one
CAS 840482-41-9C21H25N5O3S2
3-[(Z)-(3-Ethyl-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene)methyl]-9-methyl-2-{[2-(4-morpholinyl)ethyl]amino}-4H-pyrido[1,2-A]pyrimidin-4-one chemical structure, C21H25N5O3S2, CAS 442565-77-7
3-[(Z)-(3-Ethyl-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene)methyl]-9-methyl-2-{[2-(4-morpholinyl)ethyl]amino}-4H-pyrido[1,2-A]pyrimidin-4-one
CAS 442565-77-7C21H25N5O3S2
9-Methyl-3-[(Z)-(3-methyl-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene)methyl]-2-{[3-(morpholin-4-yl)propyl]amino}-4H-pyrido[1,2-a]pyrimidin-4-one chemical structure, C21H25N5O3S2, CAS 442566-94-1
9-Methyl-3-[(Z)-(3-methyl-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene)methyl]-2-{[3-(morpholin-4-yl)propyl]amino}-4H-pyrido[1,2-a]pyrimidin-4-one
CAS 442566-94-1C21H25N5O3S2
N-(5-((2-(Cyclohexylamino)-2-oxoethyl)thio)-1,3,4-thiadiazol-2-yl)-5-oxo-1-phenylpyrrolidine-3-carboxamide chemical structure, C21H25N5O3S2, CAS 872594-66-6
N-(5-((2-(Cyclohexylamino)-2-oxoethyl)thio)-1,3,4-thiadiazol-2-yl)-5-oxo-1-phenylpyrrolidine-3-carboxamide
CAS 872594-66-6C21H25N5O3S2
(1-(1,1-Dioxidotetrahydrothiophen-3-yl)-3-methyl-6-(thiophen-2-yl)-1H-pyrazolo[3,4-b]pyridin-4-yl)(4-methylpiperazin-1-yl)methanone chemical structure, C21H25N5O3S2, CAS 1021250-66-7
(1-(1,1-Dioxidotetrahydrothiophen-3-yl)-3-methyl-6-(thiophen-2-yl)-1H-pyrazolo[3,4-b]pyridin-4-yl)(4-methylpiperazin-1-yl)methanone
CAS 1021250-66-7C21H25N5O3S2
N-(2,3-Dimethoxybenzyl)-2-((2-(piperidin-1-yl)thiazolo[4,5-d]pyrimidin-7-yl)thio)acetamide chemical structure, C21H25N5O3S2, CAS 1185069-27-5
N-(2,3-Dimethoxybenzyl)-2-((2-(piperidin-1-yl)thiazolo[4,5-d]pyrimidin-7-yl)thio)acetamide
CAS 1185069-27-5C21H25N5O3S2
Ethyl (3-(5-amino-6-(tert-butylcarbamoyl)-2-(methylthio)thieno[2,3-d]pyrimidin-4-yl)phenyl)carbamate chemical structure, C21H25N5O3S2, CAS 405890-87-1
Ethyl (3-(5-amino-6-(tert-butylcarbamoyl)-2-(methylthio)thieno[2,3-d]pyrimidin-4-yl)phenyl)carbamate
CAS 405890-87-1C21H25N5O3S2
2-(2-(3-Cyclohexylureido)thiazol-4-yl)-N-(6-ethoxybenzo[d]thiazol-2-yl)acetamide chemical structure, C21H25N5O3S2, CAS 921875-10-7
2-(2-(3-Cyclohexylureido)thiazol-4-yl)-N-(6-ethoxybenzo[d]thiazol-2-yl)acetamide
CAS 921875-10-7C21H25N5O3S2

Frequently asked questions

What is the molar mass of C21H25N5O3S2?

The molar mass of C21H25N5O3S2 is 459.58 g/mol, calculated from standard atomic weights for 21 carbon atoms, 25 hydrogen atoms, 5 nitrogen atoms, 3 oxygen atoms and 2 sulfur atoms. The monoisotopic mass is 459.1399 Da.

How many compounds have the formula C21H25N5O3S2?

CompoundList lists 22 compounds with the molecular formula C21H25N5O3S2, including 3-((Z)-(3-(3-Methoxypropyl)-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene)met hyl)-2-(4-methyl-1-piperazinyl)-4H-pyrido(1,2-A)pyrimidin-4-one, 3-{(Z)-[3-(2-Methoxyethyl)-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene]meth YL}-9-methyl-2-(4-methyl-1-piperazinyl)-4H-pyrido[1,2-A]pyrimidin-4-one, 2-[4-(2-Hydroxyethyl)-1-piperazinyl]-3-[(Z)-(3-isopropyl-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene)methyl]-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 C21H25N5O3S2?

C21H25N5O3S2 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.