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Molecular formula

C21H28N4

16 compounds have this formula on CompoundList.

Molar mass
336.48g/mol
Monoisotopic mass
336.2314Da
Atoms
53
Elements
3
Rings plus double bonds
10

The formula C21H28N4 describes a molecule made of 21 carbon atoms, 28 hydrogen atoms and 4 nitrogen 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 × 2174.96%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 288.39%
    1.008 × 28 = 28.224 g/mol
  • N Nitrogen × 416.65%
    14.007 × 4 = 56.028 g/mol
Look up another formula

Compounds with the formula C21H28N4

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

Showing 1 to 16 of 16 compounds

N,N-Dimethyl-4-[(E)-[4-[(4-methylphenyl)methyl]piperazin-1-yl]iminomethyl]aniline chemical structure, C21H28N4, CAS 306988-81-8
N,N-Dimethyl-4-[(E)-[4-[(4-methylphenyl)methyl]piperazin-1-yl]iminomethyl]aniline
CAS 306988-81-8C21H28N4
1,1'3,3',5,5'6,6'-Octamethyl-2,2'-spiro(2,3-dihydro-1H-benzimidazole chemical structure, C21H28N4, CAS 99643-38-6
1,1'3,3',5,5'6,6'-Octamethyl-2,2'-spiro(2,3-dihydro-1H-benzimidazole
CAS 99643-38-6C21H28N4
1,1'-Methylenebis(4-phenylpiperazine) chemical structure, C21H28N4, CAS 17419-71-5
1,1'-Methylenebis(4-phenylpiperazine)
CAS 17419-71-5C21H28N4
1-Phenyl-4-[1-(pyridin-2-ylmethyl)piperidin-4-yl]piperazine chemical structure, C21H28N4, CAS 489422-14-2
1-Phenyl-4-[1-(pyridin-2-ylmethyl)piperidin-4-yl]piperazine
CAS 489422-14-2C21H28N4
1-(2-(Dimethylamino)ethyl)-5-ethyl-2,3-dimethyl-6-phenyl-1H-pyrrolo[2,3-b]pyridin-4-amine chemical structure, C21H28N4, CAS 1010892-16-6
1-(2-(Dimethylamino)ethyl)-5-ethyl-2,3-dimethyl-6-phenyl-1H-pyrrolo[2,3-b]pyridin-4-amine
CAS 1010892-16-6C21H28N4
3-(4-Cyclohexylpiperazin-1-yl)-4-methyl-6-phenylpyridazine chemical structure, C21H28N4, CAS 923951-07-9
3-(4-Cyclohexylpiperazin-1-yl)-4-methyl-6-phenylpyridazine
CAS 923951-07-9C21H28N4
1-Phenyl-4-[1-(4-pyridinylmethyl)-4-piperidinyl]piperazine chemical structure, C21H28N4, CAS 488094-56-0
1-Phenyl-4-[1-(4-pyridinylmethyl)-4-piperidinyl]piperazine
CAS 488094-56-0C21H28N4
5-tert-Butyl-2-methyl-N-(2-methylpropyl)-3-phenylpyrazolo[1,5-a]pyrimidin-7-amine chemical structure, C21H28N4, CAS 850157-85-6
5-tert-Butyl-2-methyl-N-(2-methylpropyl)-3-phenylpyrazolo[1,5-a]pyrimidin-7-amine
CAS 850157-85-6C21H28N4
N-Butyl-5-tert-butyl-2-methyl-3-phenylpyrazolo[1,5-a]pyrimidin-7-amine chemical structure, C21H28N4, CAS 862489-20-1
N-Butyl-5-tert-butyl-2-methyl-3-phenylpyrazolo[1,5-a]pyrimidin-7-amine
CAS 862489-20-1C21H28N4
5-Benzyl-2,4-di(piperidin-1-yl)pyrimidine chemical structure, C21H28N4, CAS 6328-42-3
5-Benzyl-2,4-di(piperidin-1-yl)pyrimidine
CAS 6328-42-3C21H28N4
N~2~,N~2~,N~7~,N~7~-Tetraethyl-9-hydrazinylidene-9H-fluorene-2,7-diamine chemical structure, C21H28N4, CAS 816464-05-8
N~2~,N~2~,N~7~,N~7~-Tetraethyl-9-hydrazinylidene-9H-fluorene-2,7-diamine
CAS 816464-05-8C21H28N4
1-(1-Benzylpiperidin-4-yl)-4-(pyridin-2-yl)piperazine chemical structure, C21H28N4, CAS 2034501-30-7
1-(1-Benzylpiperidin-4-yl)-4-(pyridin-2-yl)piperazine
CAS 2034501-30-7C21H28N4
3-(1-Methylpyrazol-4-yl)-5-(3,3,5,5-tetramethylcyclohexyl)-1H-pyrrolo[2,3-b]pyridine chemical structure, C21H28N4, CAS 1046829-13-3
3-(1-Methylpyrazol-4-yl)-5-(3,3,5,5-tetramethylcyclohexyl)-1H-pyrrolo[2,3-b]pyridine
CAS 1046829-13-3C21H28N4
Rel-5-benzyl-1-((1R,3r,5S)-8-azabicyclo[3.2.1]octan-3-yl)-2-methyl-4,5,6,7-tetrahydro-1H-imidazo[4,5-c]pyridine chemical structure, C21H28N4, CAS 612482-81-2
Rel-5-benzyl-1-((1R,3r,5S)-8-azabicyclo[3.2.1]octan-3-yl)-2-methyl-4,5,6,7-tetrahydro-1H-imidazo[4,5-c]pyridine
CAS 612482-81-2C21H28N4
2,8,10-Trimethyl-N~4~,N~6~-dipropylpyrido[3,2-g]quinoline-4,6-diamine chemical structure, C21H28N4, CAS 671782-47-1
2,8,10-Trimethyl-N~4~,N~6~-dipropylpyrido[3,2-g]quinoline-4,6-diamine
CAS 671782-47-1C21H28N4
Bis(1-(pyridin-3-yl)piperidin-2-yl)methane chemical structure, C21H28N4, CAS 370582-57-3
Bis(1-(pyridin-3-yl)piperidin-2-yl)methane
CAS 370582-57-3C21H28N4

Frequently asked questions

What is the molar mass of C21H28N4?

The molar mass of C21H28N4 is 336.48 g/mol, calculated from standard atomic weights for 21 carbon atoms, 28 hydrogen atoms and 4 nitrogen atoms. The monoisotopic mass is 336.2314 Da.

How many compounds have the formula C21H28N4?

CompoundList lists 16 compounds with the molecular formula C21H28N4, including N,N-Dimethyl-4-[(E)-[4-[(4-methylphenyl)methyl]piperazin-1-yl]iminomethyl]aniline, 1,1'3,3',5,5'6,6'-Octamethyl-2,2'-spiro(2,3-dihydro-1H-benzimidazole, 1,1'-Methylenebis(4-phenylpiperazine). 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 C21H28N4?

C21H28N4 has a degree of unsaturation of 10. 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.