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Molecular formula

C21H25N7O2S

7 compounds have this formula on CompoundList.

Molar mass
439.54g/mol
Monoisotopic mass
439.1790Da
Atoms
56
Elements
5
Rings plus double bonds
13

The formula C21H25N7O2S describes a molecule made of 21 carbon atoms, 25 hydrogen atoms, 7 nitrogen atoms, 2 oxygen atoms and 1 sulfur atom. 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 × 2157.39%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 255.73%
    1.008 × 25 = 25.200 g/mol
  • N Nitrogen × 722.31%
    14.007 × 7 = 98.049 g/mol
  • O Oxygen × 27.28%
    15.999 × 2 = 31.998 g/mol
  • S Sulfur × 17.29%
    32.06 × 1 = 32.060 g/mol
Look up another formula

Compounds with the formula C21H25N7O2S

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

Showing 1 to 7 of 7 compounds

Gsk-356278 chemical structure, C21H25N7O2S, CAS 720704-34-7
Gsk-356278
CAS 720704-34-7C21H25N7O2S
7-[2-(1H-Benzimidazol-2-ylsulfanyl)ethyl]-3-methyl-8-(4-methyl-1-piperidinyl)-3,7-dihydro-1H-purine-2,6-dione chemical structure, C21H25N7O2S, CAS 476482-79-8
7-[2-(1H-Benzimidazol-2-ylsulfanyl)ethyl]-3-methyl-8-(4-methyl-1-piperidinyl)-3,7-dihydro-1H-purine-2,6-dione
CAS 476482-79-8C21H25N7O2S
Pyrimido(5,4-d)pyrimidine, 8-(phenylmethoxy)-2-(1-piperazinyl)-4-(4-thiomorpholinyl)-, S-oxide chemical structure, C21H25N7O2S, CAS 78535-05-4
Pyrimido(5,4-d)pyrimidine, 8-(phenylmethoxy)-2-(1-piperazinyl)-4-(4-thiomorpholinyl)-, S-oxide
CAS 78535-05-4C21H25N7O2S
2-[6-Oxo-3-(4-phenylpiperazin-1-yl)pyridazin-1(6H)-yl]-N-[(2E)-5-(propan-2-yl)-1,3,4-thiadiazol-2(3H)-ylidene]acetamide chemical structure, C21H25N7O2S, CAS 1224173-31-2
2-[6-Oxo-3-(4-phenylpiperazin-1-yl)pyridazin-1(6H)-yl]-N-[(2E)-5-(propan-2-yl)-1,3,4-thiadiazol-2(3H)-ylidene]acetamide
CAS 1224173-31-2C21H25N7O2S
2-(1,3-Dimethyl-4-nitro-1H-pyrazol-5-yl)-9-(tert-pentyl)-8,9,10,11-tetrahydro[1]benzothieno[3,2-E][1,2,4]triazolo[1,5-C]pyrimidine chemical structure, C21H25N7O2S, CAS 1005633-37-3
2-(1,3-Dimethyl-4-nitro-1H-pyrazol-5-yl)-9-(tert-pentyl)-8,9,10,11-tetrahydro[1]benzothieno[3,2-E][1,2,4]triazolo[1,5-C]pyrimidine
CAS 1005633-37-3C21H25N7O2S
2-[[2-[2-(3,5-Dimethylpyrazol-1-yl)ethyl]-[1,2,4]triazolo[1,5-c]quinazolin-5-yl]sulfanyl]-N-(2-methoxyethyl)acetamide chemical structure, C21H25N7O2S, CAS 896697-00-0
2-[[2-[2-(3,5-Dimethylpyrazol-1-yl)ethyl]-[1,2,4]triazolo[1,5-c]quinazolin-5-yl]sulfanyl]-N-(2-methoxyethyl)acetamide
CAS 896697-00-0C21H25N7O2S
6-[4-(4-Methoxy-7-methyl-1,3-benzothiazol-2-yl)piperazin-1-yl]-9-(2-methoxyethyl)-9H-purine chemical structure, C21H25N7O2S, CAS 2640889-69-4
6-[4-(4-Methoxy-7-methyl-1,3-benzothiazol-2-yl)piperazin-1-yl]-9-(2-methoxyethyl)-9H-purine
CAS 2640889-69-4C21H25N7O2S

Frequently asked questions

What is the molar mass of C21H25N7O2S?

The molar mass of C21H25N7O2S is 439.54 g/mol, calculated from standard atomic weights for 21 carbon atoms, 25 hydrogen atoms, 7 nitrogen atoms, 2 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 439.1790 Da.

How many compounds have the formula C21H25N7O2S?

CompoundList lists 7 compounds with the molecular formula C21H25N7O2S, including Gsk-356278, 7-[2-(1H-Benzimidazol-2-ylsulfanyl)ethyl]-3-methyl-8-(4-methyl-1-piperidinyl)-3,7-dihydro-1H-purine-2,6-dione, Pyrimido(5,4-d)pyrimidine, 8-(phenylmethoxy)-2-(1-piperazinyl)-4-(4-thiomorpholinyl)-, S-oxide. 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 C21H25N7O2S?

C21H25N7O2S 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.