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Molecular formula

C21H26N4O2S2

17 compounds have this formula on CompoundList.

Molar mass
430.58g/mol
Monoisotopic mass
430.1497Da
Atoms
55
Elements
5
Rings plus double bonds
11

The formula C21H26N4O2S2 describes a molecule made of 21 carbon atoms, 26 hydrogen atoms, 4 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 × 2158.58%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 266.09%
    1.008 × 26 = 26.208 g/mol
  • N Nitrogen × 413.01%
    14.007 × 4 = 56.028 g/mol
  • O Oxygen × 27.43%
    15.999 × 2 = 31.998 g/mol
  • S Sulfur × 214.89%
    32.06 × 2 = 64.120 g/mol
Look up another formula

Compounds with the formula C21H26N4O2S2

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

Showing 1 to 17 of 17 compounds

3-Ethyl-6-methyl-2-((2-oxo-2-(4-phenylpiperazin-1-yl)ethyl)thio)-6,7-dihydrothieno[3,2-d]pyrimidin-4(3H)-one chemical structure, C21H26N4O2S2, CAS 851409-21-7
3-Ethyl-6-methyl-2-((2-oxo-2-(4-phenylpiperazin-1-yl)ethyl)thio)-6,7-dihydrothieno[3,2-d]pyrimidin-4(3H)-one
CAS 851409-21-7C21H26N4O2S2
Kdm2B-IN-2 chemical structure, C21H26N4O2S2, CAS 1965248-01-4
Kdm2B-IN-2
CAS 1965248-01-4C21H26N4O2S2
Methyl 2-[[1-(1-adamantyl)pyrazol-3-yl]carbamothioylamino]-5-methylthiophene-3-carboxylate chemical structure, C21H26N4O2S2, CAS 588713-29-5
Methyl 2-[[1-(1-adamantyl)pyrazol-3-yl]carbamothioylamino]-5-methylthiophene-3-carboxylate
CAS 588713-29-5C21H26N4O2S2
N~2~,N~5~-bis(benzylcarbamothioyl)ornithine chemical structure, C21H26N4O2S2, CAS 1396966-03-2
N~2~,N~5~-bis(benzylcarbamothioyl)ornithine
CAS 1396966-03-2C21H26N4O2S2
3-Isobutyl-5-{(Z)-1-[2-(isobutylamino)-9-methyl-4-oxo-4H-pyrido[1,2-a]pyrimidin-3-yl]methylidene}-2-thioxo-1,3-thiazolan-4-one chemical structure, C21H26N4O2S2, CAS 608497-08-1
3-Isobutyl-5-{(Z)-1-[2-(isobutylamino)-9-methyl-4-oxo-4H-pyrido[1,2-a]pyrimidin-3-yl]methylidene}-2-thioxo-1,3-thiazolan-4-one
CAS 608497-08-1C21H26N4O2S2
5-{(Z)-1-[2-(Dipropylamino)-4-oxo-4H-pyrido[1,2-a]pyrimidin-3-yl]methylidene}-3-isopropyl-2-thioxo-1,3-thiazolan-4-one chemical structure, C21H26N4O2S2, CAS 587004-12-4
5-{(Z)-1-[2-(Dipropylamino)-4-oxo-4H-pyrido[1,2-a]pyrimidin-3-yl]methylidene}-3-isopropyl-2-thioxo-1,3-thiazolan-4-one
CAS 587004-12-4C21H26N4O2S2
3-Isobutyl-5-{(Z)-1-[2-(isobutylamino)-7-methyl-4-oxo-4H-pyrido[1,2-a]pyrimidin-3-yl]methylidene}-2-thioxo-1,3-thiazolan-4-one chemical structure, C21H26N4O2S2, CAS 608497-52-5
3-Isobutyl-5-{(Z)-1-[2-(isobutylamino)-7-methyl-4-oxo-4H-pyrido[1,2-a]pyrimidin-3-yl]methylidene}-2-thioxo-1,3-thiazolan-4-one
CAS 608497-52-5C21H26N4O2S2
3-(sec-Butyl)-5-{(Z)-1-[2-(isobutylamino)-9-methyl-4-oxo-4H-pyrido[1,2-a]pyrimidin-3-yl]methylidene}-2-thioxo-1,3-thiazolan-4-one chemical structure, C21H26N4O2S2, CAS 608497-28-5
3-(sec-Butyl)-5-{(Z)-1-[2-(isobutylamino)-9-methyl-4-oxo-4H-pyrido[1,2-a]pyrimidin-3-yl]methylidene}-2-thioxo-1,3-thiazolan-4-one
CAS 608497-28-5C21H26N4O2S2
3-(sec-Butyl)-5-{(Z)-1-[2-(isobutylamino)-7-methyl-4-oxo-4H-pyrido[1,2-a]pyrimidin-3-yl]methylidene}-2-thioxo-1,3-thiazolan-4-one chemical structure, C21H26N4O2S2, CAS 608497-73-0
3-(sec-Butyl)-5-{(Z)-1-[2-(isobutylamino)-7-methyl-4-oxo-4H-pyrido[1,2-a]pyrimidin-3-yl]methylidene}-2-thioxo-1,3-thiazolan-4-one
CAS 608497-73-0C21H26N4O2S2
2-[(2-Methylpropyl)amino]-3-[(Z)-(4-oxo-3-pentyl-2-thioxo-1,3-thiazolidin-5-ylidene)methyl]-4H-pyrido[1,2-a]pyrimidin-4-one chemical structure, C21H26N4O2S2, CAS 608496-60-2
2-[(2-Methylpropyl)amino]-3-[(Z)-(4-oxo-3-pentyl-2-thioxo-1,3-thiazolidin-5-ylidene)methyl]-4H-pyrido[1,2-a]pyrimidin-4-one
CAS 608496-60-2C21H26N4O2S2
3-[(Z)-(3-Butyl-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene)methyl]-9-methyl-2-[(2-methylpropyl)amino]-4H-pyrido[1,2-a]pyrimidin-4-one chemical structure, C21H26N4O2S2, CAS 608497-03-6
3-[(Z)-(3-Butyl-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene)methyl]-9-methyl-2-[(2-methylpropyl)amino]-4H-pyrido[1,2-a]pyrimidin-4-one
CAS 608497-03-6C21H26N4O2S2
3-[(Z)-(3-Butyl-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene)methyl]-7-methyl-2-[(2-methylpropyl)amino]-4H-pyrido[1,2-a]pyrimidin-4-one chemical structure, C21H26N4O2S2, CAS 608497-47-8
3-[(Z)-(3-Butyl-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene)methyl]-7-methyl-2-[(2-methylpropyl)amino]-4H-pyrido[1,2-a]pyrimidin-4-one
CAS 608497-47-8C21H26N4O2S2
2-(Dipropylamino)-3-[(Z)-(3-ethyl-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene)methyl]-9-methyl-4H-pyrido[1,2-a]pyrimidin-4-one chemical structure, C21H26N4O2S2, CAS 577788-15-9
2-(Dipropylamino)-3-[(Z)-(3-ethyl-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene)methyl]-9-methyl-4H-pyrido[1,2-a]pyrimidin-4-one
CAS 577788-15-9C21H26N4O2S2
2-(Dipropylamino)-3-[(Z)-(3-ethyl-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene)methyl]-7-methyl-4H-pyrido[1,2-a]pyrimidin-4-one chemical structure, C21H26N4O2S2, CAS 845806-25-9
2-(Dipropylamino)-3-[(Z)-(3-ethyl-4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene)methyl]-7-methyl-4H-pyrido[1,2-a]pyrimidin-4-one
CAS 845806-25-9C21H26N4O2S2
2-(Dipropylamino)-3-[(Z)-(4-oxo-3-propyl-2-thioxo-1,3-thiazolidin-5-ylidene)methyl]-4H-pyrido[1,2-a]pyrimidin-4-one chemical structure, C21H26N4O2S2, CAS 573706-24-8
2-(Dipropylamino)-3-[(Z)-(4-oxo-3-propyl-2-thioxo-1,3-thiazolidin-5-ylidene)methyl]-4H-pyrido[1,2-a]pyrimidin-4-one
CAS 573706-24-8C21H26N4O2S2
4-Methyl-2-oxo-5-[(4-oxo-3-propyl-2-sulfanylidene-1,3-thiazolidin-5-ylidene)methyl]-1-propyl-6-pyrrolidin-1-ylpyridine-3-carbonitrile chemical structure, C21H26N4O2S2, CAS 7064-06-4
4-Methyl-2-oxo-5-[(4-oxo-3-propyl-2-sulfanylidene-1,3-thiazolidin-5-ylidene)methyl]-1-propyl-6-pyrrolidin-1-ylpyridine-3-carbonitrile
CAS 7064-06-4C21H26N4O2S2
4-Methyl-5-[(3-methyl-4-oxo-2-sulfanylidene-1,3-thiazolidin-5-ylidene)methyl]-6-(4-methylpiperidin-1-yl)-2-oxo-1-propylpyridine-3-carbonitrile chemical structure, C21H26N4O2S2, CAS 7064-10-0
4-Methyl-5-[(3-methyl-4-oxo-2-sulfanylidene-1,3-thiazolidin-5-ylidene)methyl]-6-(4-methylpiperidin-1-yl)-2-oxo-1-propylpyridine-3-carbonitrile
CAS 7064-10-0C21H26N4O2S2

Frequently asked questions

What is the molar mass of C21H26N4O2S2?

The molar mass of C21H26N4O2S2 is 430.58 g/mol, calculated from standard atomic weights for 21 carbon atoms, 26 hydrogen atoms, 4 nitrogen atoms, 2 oxygen atoms and 2 sulfur atoms. The monoisotopic mass is 430.1497 Da.

How many compounds have the formula C21H26N4O2S2?

CompoundList lists 17 compounds with the molecular formula C21H26N4O2S2, including 3-Ethyl-6-methyl-2-((2-oxo-2-(4-phenylpiperazin-1-yl)ethyl)thio)-6,7-dihydrothieno[3,2-d]pyrimidin-4(3H)-one, Kdm2B-IN-2, Methyl 2-[[1-(1-adamantyl)pyrazol-3-yl]carbamothioylamino]-5-methylthiophene-3-carboxylate. 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 C21H26N4O2S2?

C21H26N4O2S2 has a degree of unsaturation of 11. 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.