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Molecular formula

C21H26ClN5O

23 compounds have this formula on CompoundList.

Molar mass
399.92g/mol
Monoisotopic mass
399.1826Da
Atoms
54
Elements
5
Rings plus double bonds
11

The formula C21H26ClN5O describes a molecule made of 21 carbon atoms, 26 hydrogen atoms, 1 chlorine atom, 5 nitrogen atoms and 1 oxygen 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 × 2163.07%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 266.55%
    1.008 × 26 = 26.208 g/mol
  • Cl Chlorine × 18.86%
    35.45 × 1 = 35.450 g/mol
  • N Nitrogen × 517.51%
    14.007 × 5 = 70.035 g/mol
  • O Oxygen × 14.00%
    15.999 × 1 = 15.999 g/mol
Look up another formula

Compounds with the formula C21H26ClN5O

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

Showing 1 to 23 of 23 compounds

3-(3-Chloro-1H-1,2,4-triazol-1-yl)-N-[4-(dimethylamino)phenyl]-1-adamantanecarboxamide chemical structure, C21H26ClN5O, CAS 515151-32-3
3-(3-Chloro-1H-1,2,4-triazol-1-yl)-N-[4-(dimethylamino)phenyl]-1-adamantanecarboxamide
CAS 515151-32-3C21H26ClN5O
(4-(6-(Azepan-1-yl)pyridazin-3-yl)piperazin-1-yl)(2-chlorophenyl)methanone chemical structure, C21H26ClN5O, CAS 886896-85-1
(4-(6-(Azepan-1-yl)pyridazin-3-yl)piperazin-1-yl)(2-chlorophenyl)methanone
CAS 886896-85-1C21H26ClN5O
(4-(6-(Azepan-1-yl)pyridazin-3-yl)piperazin-1-yl)(3-chlorophenyl)methanone chemical structure, C21H26ClN5O, CAS 898459-82-0
(4-(6-(Azepan-1-yl)pyridazin-3-yl)piperazin-1-yl)(3-chlorophenyl)methanone
CAS 898459-82-0C21H26ClN5O
(1-(6-(4-Chlorophenyl)pyridazin-3-yl)piperidin-4-yl)(4-methylpiperazin-1-yl)methanone chemical structure, C21H26ClN5O, CAS 1105217-85-3
(1-(6-(4-Chlorophenyl)pyridazin-3-yl)piperidin-4-yl)(4-methylpiperazin-1-yl)methanone
CAS 1105217-85-3C21H26ClN5O
4-Ethyl trazodone chemical structure, C21H26ClN5O, CAS 1346599-35-6
4-Ethyl trazodone
CAS 1346599-35-6C21H26ClN5O
1-Adamantanecarboxylic acid, 2-(5-(p-tolyl)-3-as-triazinyl)hydrazide, hydrochloride chemical structure, C21H26ClN5O, CAS 77966-95-1
1-Adamantanecarboxylic acid, 2-(5-(p-tolyl)-3-as-triazinyl)hydrazide, hydrochloride
CAS 77966-95-1C21H26ClN5O
3-(2-Chlorophenyl)-2,5-dimethyl-N-(3-morpholinopropyl)pyrazolo[1,5-a]pyrimidin-7-amine chemical structure, C21H26ClN5O, CAS 902031-46-3
3-(2-Chlorophenyl)-2,5-dimethyl-N-(3-morpholinopropyl)pyrazolo[1,5-a]pyrimidin-7-amine
CAS 902031-46-3C21H26ClN5O
3-(4-Chlorophenyl)-2,5-dimethyl-N-(3-morpholinopropyl)pyrazolo[1,5-a]pyrimidin-7-amine chemical structure, C21H26ClN5O, CAS 850826-13-0
3-(4-Chlorophenyl)-2,5-dimethyl-N-(3-morpholinopropyl)pyrazolo[1,5-a]pyrimidin-7-amine
CAS 850826-13-0C21H26ClN5O
(3-Chlorophenyl)[4-[4-methyl-6-(1-piperidinyl)-2-pyrimidinyl]-1-piperazinyl]methanone chemical structure, C21H26ClN5O, CAS 946384-90-3
(3-Chlorophenyl)[4-[4-methyl-6-(1-piperidinyl)-2-pyrimidinyl]-1-piperazinyl]methanone
CAS 946384-90-3C21H26ClN5O
2-(4-Chlorophenyl)-1-[4-(6-piperidin-1-ylpyridazin-3-yl)piperazin-1-yl]ethanone chemical structure, C21H26ClN5O, CAS 898406-33-2
2-(4-Chlorophenyl)-1-[4-(6-piperidin-1-ylpyridazin-3-yl)piperazin-1-yl]ethanone
CAS 898406-33-2C21H26ClN5O
(4-(6-(Azepan-1-yl)pyridazin-3-yl)piperazin-1-yl)(4-chlorophenyl)methanone chemical structure, C21H26ClN5O, CAS 886896-90-8
(4-(6-(Azepan-1-yl)pyridazin-3-yl)piperazin-1-yl)(4-chlorophenyl)methanone
CAS 886896-90-8C21H26ClN5O
2-(2-Chlorophenyl)-1-(4-(6-(piperidin-1-yl)pyrimidin-4-yl)piperazin-1-yl)ethanone chemical structure, C21H26ClN5O, CAS 1203081-07-5
2-(2-Chlorophenyl)-1-(4-(6-(piperidin-1-yl)pyrimidin-4-yl)piperazin-1-yl)ethanone
CAS 1203081-07-5C21H26ClN5O
2-(4-Chlorophenyl)-3,5-dimethyl-N-[3-(morpholin-4-yl)propyl]pyrazolo[1,5-a]pyrimidin-7-amine chemical structure, C21H26ClN5O, CAS 1203142-18-0
2-(4-Chlorophenyl)-3,5-dimethyl-N-[3-(morpholin-4-yl)propyl]pyrazolo[1,5-a]pyrimidin-7-amine
CAS 1203142-18-0C21H26ClN5O
2-[4-(4-Chlorobenzoyl)piperazin-1-yl]-4-methyl-6-(piperidin-1-yl)pyrimidine chemical structure, C21H26ClN5O, CAS 946281-01-2
2-[4-(4-Chlorobenzoyl)piperazin-1-yl]-4-methyl-6-(piperidin-1-yl)pyrimidine
CAS 946281-01-2C21H26ClN5O
2-[4-(2-Chlorobenzoyl)piperazin-1-yl]-4-methyl-6-(piperidin-1-yl)pyrimidine chemical structure, C21H26ClN5O, CAS 946339-09-9
2-[4-(2-Chlorobenzoyl)piperazin-1-yl]-4-methyl-6-(piperidin-1-yl)pyrimidine
CAS 946339-09-9C21H26ClN5O
2-(3-Chlorophenyl)-3,5-dimethyl-N-[3-(morpholin-4-yl)propyl]pyrazolo[1,5-a]pyrimidin-7-amine chemical structure, C21H26ClN5O, CAS 1203159-87-8
2-(3-Chlorophenyl)-3,5-dimethyl-N-[3-(morpholin-4-yl)propyl]pyrazolo[1,5-a]pyrimidin-7-amine
CAS 1203159-87-8C21H26ClN5O
7-Benzyl-2-piperidin-3-yl-5,6,7,8-tetrahydro-1,4,7,9a-tetraaza-cyclopenta[b]naphthalen-9-ol hydrochloride chemical structure, C21H26ClN5O, CAS 1361113-71-4
7-Benzyl-2-piperidin-3-yl-5,6,7,8-tetrahydro-1,4,7,9a-tetraaza-cyclopenta[b]naphthalen-9-ol hydrochloride
CAS 1361113-71-4C21H26ClN5O
(4-Benzylpiperazin-1-yl)(1-(6-chloropyridazin-3-yl)piperidin-4-yl)methanone chemical structure, C21H26ClN5O, CAS 1324099-21-9
(4-Benzylpiperazin-1-yl)(1-(6-chloropyridazin-3-yl)piperidin-4-yl)methanone
CAS 1324099-21-9C21H26ClN5O
(4-Benzylpiperazin-1-yl)(1-(6-chloropyridazin-3-yl)piperidin-3-yl)methanone chemical structure, C21H26ClN5O, CAS 1401561-03-2
(4-Benzylpiperazin-1-yl)(1-(6-chloropyridazin-3-yl)piperidin-3-yl)methanone
CAS 1401561-03-2C21H26ClN5O
2-Amino-5-{3-[4-(2-aminoethyl)anilino]propyl}-6-phenylpyrimidin-4(1H)-one--hydrogen chloride (1/1) chemical structure, C21H26ClN5O, CAS 15946-59-5
2-Amino-5-{3-[4-(2-aminoethyl)anilino]propyl}-6-phenylpyrimidin-4(1H)-one--hydrogen chloride (1/1)
CAS 15946-59-5C21H26ClN5O
4-(4-Benzylpiperidine-1-carbonyl)-N-(4-chlorophenyl)-1H-1,2,3-triazol-5-amine chemical structure, C21H26ClN5O, CAS 1291872-62-2
4-(4-Benzylpiperidine-1-carbonyl)-N-(4-chlorophenyl)-1H-1,2,3-triazol-5-amine
CAS 1291872-62-2C21H26ClN5O
2-{4-[(5-Chloropyrimidin-2-yl)(methyl)amino]piperidin-1-yl}-1-(1,2,3,4-tetrahydroquinolin-1-yl)ethan-1-one chemical structure, C21H26ClN5O, CAS 2742007-40-3
2-{4-[(5-Chloropyrimidin-2-yl)(methyl)amino]piperidin-1-yl}-1-(1,2,3,4-tetrahydroquinolin-1-yl)ethan-1-one
CAS 2742007-40-3C21H26ClN5O
1-(2-(5-Amino-1-(2-chlorobenzyl)-1H-benzo[d]imidazol-2-yl)ethyl)-3-(tert-butyl)urea chemical structure, C21H26ClN5O, CAS 872590-07-3
1-(2-(5-Amino-1-(2-chlorobenzyl)-1H-benzo[d]imidazol-2-yl)ethyl)-3-(tert-butyl)urea
CAS 872590-07-3C21H26ClN5O

Frequently asked questions

What is the molar mass of C21H26ClN5O?

The molar mass of C21H26ClN5O is 399.92 g/mol, calculated from standard atomic weights for 21 carbon atoms, 26 hydrogen atoms, 1 chlorine atom, 5 nitrogen atoms and 1 oxygen atom. The monoisotopic mass is 399.1826 Da.

How many compounds have the formula C21H26ClN5O?

CompoundList lists 23 compounds with the molecular formula C21H26ClN5O, including 3-(3-Chloro-1H-1,2,4-triazol-1-yl)-N-[4-(dimethylamino)phenyl]-1-adamantanecarboxamide, (4-(6-(Azepan-1-yl)pyridazin-3-yl)piperazin-1-yl)(2-chlorophenyl)methanone, (4-(6-(Azepan-1-yl)pyridazin-3-yl)piperazin-1-yl)(3-chlorophenyl)methanone. 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 C21H26ClN5O?

C21H26ClN5O 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.