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Molecular formula

C21H21N3

33 compounds have this formula on CompoundList.

Molar mass
315.42g/mol
Monoisotopic mass
315.1735Da
Atoms
45
Elements
3
Rings plus double bonds
13

The formula C21H21N3 describes a molecule made of 21 carbon atoms, 21 hydrogen atoms and 3 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 × 2179.97%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 216.71%
    1.008 × 21 = 21.168 g/mol
  • N Nitrogen × 313.32%
    14.007 × 3 = 42.021 g/mol
Look up another formula

Compounds with the formula C21H21N3

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

Showing 1 to 33 of 33 compounds

Dihydroethidium chemical structure, C21H21N3, CAS 104821-25-2
Dihydroethidium
CAS 104821-25-2C21H21N3
Hydroethidine chemical structure, C21H21N3, CAS 38483-26-0
Hydroethidine
CAS 38483-26-0C21H21N3
Hexahydro-1,3,5-triphenyl-1,3,5-triazine chemical structure, C21H21N3, CAS 91-78-1
Hexahydro-1,3,5-triphenyl-1,3,5-triazine
CAS 91-78-1C21H21N3
1-(9-Ethyl-9H-carbazol-3-yl)-N-(pyridin-3-ylmethyl)methanamine chemical structure, C21H21N3, CAS 880813-30-9
1-(9-Ethyl-9H-carbazol-3-yl)-N-(pyridin-3-ylmethyl)methanamine
CAS 880813-30-9C21H21N3
1-{1-Phenyl-1H,2H,3H-pyrrolo[2,3-b]quinolin-4-yl}pyrrolidine chemical structure, C21H21N3, CAS 244246-85-3
1-{1-Phenyl-1H,2H,3H-pyrrolo[2,3-b]quinolin-4-yl}pyrrolidine
CAS 244246-85-3C21H21N3
1-Benzyl-2-(2-(1-methyl-1H-pyrrol-2-yl)ethyl)-1H-benzo[d]imidazole chemical structure, C21H21N3, CAS 1242165-91-8
1-Benzyl-2-(2-(1-methyl-1H-pyrrol-2-yl)ethyl)-1H-benzo[d]imidazole
CAS 1242165-91-8C21H21N3
1-(9-Ethyl-9H-carbazol-3-yl)-N-(pyridin-2-ylmethyl)methanamine chemical structure, C21H21N3, CAS 880813-42-3
1-(9-Ethyl-9H-carbazol-3-yl)-N-(pyridin-2-ylmethyl)methanamine
CAS 880813-42-3C21H21N3
4,4'-[(4-Iminocyclohexa-2,5-dien-1-ylidene)methylene]bis(2-methylaniline) chemical structure, C21H21N3, CAS 682730-74-1
4,4'-[(4-Iminocyclohexa-2,5-dien-1-ylidene)methylene]bis(2-methylaniline)
CAS 682730-74-1C21H21N3
N-(1-Naphthylmethylene)-4-phenyl-1-piperazinamine chemical structure, C21H21N3, CAS 1685253-00-2
N-(1-Naphthylmethylene)-4-phenyl-1-piperazinamine
CAS 1685253-00-2C21H21N3
Benzyl-[2-(3,4-dihydro-1H-isoquinolin-2-yl)-pyridin-4-yl]-amine chemical structure, C21H21N3, CAS 524717-88-2
Benzyl-[2-(3,4-dihydro-1H-isoquinolin-2-yl)-pyridin-4-yl]-amine
CAS 524717-88-2C21H21N3
6-Methyl-N-(4-methylphenyl)-2-phenyl-5-prop-2-enylpyrimidin-4-amine chemical structure, C21H21N3, CAS 301352-40-9
6-Methyl-N-(4-methylphenyl)-2-phenyl-5-prop-2-enylpyrimidin-4-amine
CAS 301352-40-9C21H21N3
3-Phenylspiro[6H-[1,2,4]triazolo[3,4-a]isoquinoline-5,1'-cyclohexane] chemical structure, C21H21N3, CAS 331001-28-6
3-Phenylspiro[6H-[1,2,4]triazolo[3,4-a]isoquinoline-5,1'-cyclohexane]
CAS 331001-28-6C21H21N3
2-Amino-1-butyl-4,5-diphenyl-1H-pyrrole-3-carbonitrile chemical structure, C21H21N3, CAS 477887-28-8
2-Amino-1-butyl-4,5-diphenyl-1H-pyrrole-3-carbonitrile
CAS 477887-28-8C21H21N3
4-(Dimethylamino)benzaldehyde diphenylhydrazone chemical structure, C21H21N3, CAS 71135-02-9
4-(Dimethylamino)benzaldehyde diphenylhydrazone
CAS 71135-02-9C21H21N3
5H-Benzo(5,6)cyclohepta(1,2-b)pyridine-8-carbonitrile, 6,11-dihydro-11-(1-methyl-4-piperidinylidene)- chemical structure, C21H21N3, CAS 143540-37-8
5H-Benzo(5,6)cyclohepta(1,2-b)pyridine-8-carbonitrile, 6,11-dihydro-11-(1-methyl-4-piperidinylidene)-
CAS 143540-37-8C21H21N3
2,3-Di-p-tolyl-5,6,7,8-tetrahydropyrido[2,3-b]pyrazine chemical structure, C21H21N3, CAS 1356332-28-9
2,3-Di-p-tolyl-5,6,7,8-tetrahydropyrido[2,3-b]pyrazine
CAS 1356332-28-9C21H21N3
1-Methyl-N-(1-phenylpropan-2-yl)-1H-perimidin-2(3H)-imine chemical structure, C21H21N3, CAS 62205-86-1
1-Methyl-N-(1-phenylpropan-2-yl)-1H-perimidin-2(3H)-imine
CAS 62205-86-1C21H21N3
Carbol-fuchsin free base chemical structure, C21H21N3
Carbol-fuchsin free base
C21H21N3
7-Benzyl-2-methyl-4-phenyl-5,8-dihydro-6H-pyrido[3,4-d]pyrimidine chemical structure, C21H21N3, CAS 300552-42-5
7-Benzyl-2-methyl-4-phenyl-5,8-dihydro-6H-pyrido[3,4-d]pyrimidine
CAS 300552-42-5C21H21N3
4,4',4''-(1,3,5-Cyclohexanetriyl)tris-pyridine chemical structure, C21H21N3, CAS 7041-17-0
4,4',4''-(1,3,5-Cyclohexanetriyl)tris-pyridine
CAS 7041-17-0C21H21N3
2-Anilino-N,N'-diphenylpropanimidamide chemical structure, C21H21N3, CAS 81330-04-3
2-Anilino-N,N'-diphenylpropanimidamide
CAS 81330-04-3C21H21N3
4-[2-(Quinolin-3-yl)-1H-indol-3-yl]butan-1-amine chemical structure, C21H21N3, CAS 556778-31-5
4-[2-(Quinolin-3-yl)-1H-indol-3-yl]butan-1-amine
CAS 556778-31-5C21H21N3
2-[3,5-Bis(1-methyl-1H-pyrrol-2-yl)phenyl]-1-methyl-1H-pyrrole chemical structure, C21H21N3, CAS 887570-85-6
2-[3,5-Bis(1-methyl-1H-pyrrol-2-yl)phenyl]-1-methyl-1H-pyrrole
CAS 887570-85-6C21H21N3
{[1-Benzyl-3-(4-methylphenyl)-1H-pyrazol-4-yl]methyl}(prop-2-yn-1-yl)amine chemical structure, C21H21N3, CAS 1002511-85-4
{[1-Benzyl-3-(4-methylphenyl)-1H-pyrazol-4-yl]methyl}(prop-2-yn-1-yl)amine
CAS 1002511-85-4C21H21N3

Frequently asked questions

What is the molar mass of C21H21N3?

The molar mass of C21H21N3 is 315.42 g/mol, calculated from standard atomic weights for 21 carbon atoms, 21 hydrogen atoms and 3 nitrogen atoms. The monoisotopic mass is 315.1735 Da.

How many compounds have the formula C21H21N3?

CompoundList lists 33 compounds with the molecular formula C21H21N3, including Dihydroethidium, Hydroethidine, Hexahydro-1,3,5-triphenyl-1,3,5-triazine. 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 C21H21N3?

C21H21N3 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.