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Molecular formula

C21H25ClN4O2

28 compounds have this formula on CompoundList.

Molar mass
400.91g/mol
Monoisotopic mass
400.1666Da
Atoms
53
Elements
5
Rings plus double bonds
11

The formula C21H25ClN4O2 describes a molecule made of 21 carbon atoms, 25 hydrogen atoms, 1 chlorine atom, 4 nitrogen atoms and 2 oxygen 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 × 2162.92%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 256.29%
    1.008 × 25 = 25.200 g/mol
  • Cl Chlorine × 18.84%
    35.45 × 1 = 35.450 g/mol
  • N Nitrogen × 413.98%
    14.007 × 4 = 56.028 g/mol
  • O Oxygen × 27.98%
    15.999 × 2 = 31.998 g/mol
Look up another formula

Compounds with the formula C21H25ClN4O2

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

Showing 1 to 28 of 28 compounds

Pelanserin hydrochloride chemical structure, C21H25ClN4O2, CAS 42877-18-9
Pelanserin hydrochloride
CAS 42877-18-9C21H25ClN4O2
2-(4-(2-Chlorobenzyl)-1-piperazinyl)-N'-(4-methoxybenzylidene)acetohydrazide chemical structure, C21H25ClN4O2, CAS 315198-39-1
2-(4-(2-Chlorobenzyl)-1-piperazinyl)-N'-(4-methoxybenzylidene)acetohydrazide
CAS 315198-39-1C21H25ClN4O2
2-[4-(2-Chlorobenzyl)piperazin-1-yl]-N'-[(E)-(2-methoxyphenyl)methylidene]acetohydrazide chemical structure, C21H25ClN4O2, CAS 315198-58-4
2-[4-(2-Chlorobenzyl)piperazin-1-yl]-N'-[(E)-(2-methoxyphenyl)methylidene]acetohydrazide
CAS 315198-58-4C21H25ClN4O2
IKK-2 Inhibitor VIII chemical structure, C21H25ClN4O2, CAS 406209-26-5
IKK-2 Inhibitor VIII
CAS 406209-26-5C21H25ClN4O2
N-[3-Chloro-4-[4-(2,2-dimethylpropanoyl)piperazin-1-yl]phenyl]pyridine-3-carboxamide chemical structure, C21H25ClN4O2, CAS 879055-89-7
N-[3-Chloro-4-[4-(2,2-dimethylpropanoyl)piperazin-1-yl]phenyl]pyridine-3-carboxamide
CAS 879055-89-7C21H25ClN4O2
N1-(3-chloro-2-methylphenyl)-N2-(2-(4-phenylpiperazin-1-yl)ethyl)oxalamide chemical structure, C21H25ClN4O2, CAS 1049369-60-9
N1-(3-chloro-2-methylphenyl)-N2-(2-(4-phenylpiperazin-1-yl)ethyl)oxalamide
CAS 1049369-60-9C21H25ClN4O2
tert-Butyl benzyl(5-chloro-3-isopropylpyrazolo[1,5-a]pyrimidin-7-yl)carbamate chemical structure, C21H25ClN4O2, CAS 1092444-33-1
tert-Butyl benzyl(5-chloro-3-isopropylpyrazolo[1,5-a]pyrimidin-7-yl)carbamate
CAS 1092444-33-1C21H25ClN4O2
BMT-090605 (hydrochloride) chemical structure, C21H25ClN4O2, CAS 2231664-45-0
BMT-090605 (hydrochloride)
CAS 2231664-45-0C21H25ClN4O2
N-Benzyl-2-((3-chloro-4-(diethylamino)phenyl)azo)-3-oxobutyramide chemical structure, C21H25ClN4O2, CAS 84341-97-9
N-Benzyl-2-((3-chloro-4-(diethylamino)phenyl)azo)-3-oxobutyramide
CAS 84341-97-9C21H25ClN4O2
3-(3-Chloro-1,2,4-triazol-1-yl)-N-(2-ethoxyphenyl)adamantane-1-carboxamide chemical structure, C21H25ClN4O2, CAS 515828-72-5
3-(3-Chloro-1,2,4-triazol-1-yl)-N-(2-ethoxyphenyl)adamantane-1-carboxamide
CAS 515828-72-5C21H25ClN4O2
7-(3-Chlorophenyl)-2-[4-(2-hydroxyethyl)piperazin-1-yl]-4-methyl-7,8-dihydroquinazolin-5(6H)-one chemical structure, C21H25ClN4O2, CAS 886141-09-9
7-(3-Chlorophenyl)-2-[4-(2-hydroxyethyl)piperazin-1-yl]-4-methyl-7,8-dihydroquinazolin-5(6H)-one
CAS 886141-09-9C21H25ClN4O2
7-(4-Chlorophenyl)-2-[4-(2-hydroxyethyl)piperazin-1-yl]-4-methyl-7,8-dihydroquinazolin-5(6H)-one chemical structure, C21H25ClN4O2, CAS 921112-90-5
7-(4-Chlorophenyl)-2-[4-(2-hydroxyethyl)piperazin-1-yl]-4-methyl-7,8-dihydroquinazolin-5(6H)-one
CAS 921112-90-5C21H25ClN4O2
4-({[2-(4-Chlorophenyl)cyclopropyl]carbonyl}amino)-N-cyclopentyl-1-ethyl-1H-pyrazole-3-carboxamide chemical structure, C21H25ClN4O2, CAS 1005651-09-1
4-({[2-(4-Chlorophenyl)cyclopropyl]carbonyl}amino)-N-cyclopentyl-1-ethyl-1H-pyrazole-3-carboxamide
CAS 1005651-09-1C21H25ClN4O2
N-{3-Chloro-4-[4-(3-methylbutanoyl)-1-piperazinyl]phenyl}nicotinamide chemical structure, C21H25ClN4O2, CAS 884477-33-2
N-{3-Chloro-4-[4-(3-methylbutanoyl)-1-piperazinyl]phenyl}nicotinamide
CAS 884477-33-2C21H25ClN4O2
2-{2-[4-(3-Chlorophenyl)piperazino]-2-oxoethyl}-2,5,6,7,8,9-hexahydro-3H-cyclohepta[c]pyridazin-3-one chemical structure, C21H25ClN4O2, CAS 1282140-96-8
2-{2-[4-(3-Chlorophenyl)piperazino]-2-oxoethyl}-2,5,6,7,8,9-hexahydro-3H-cyclohepta[c]pyridazin-3-one
CAS 1282140-96-8C21H25ClN4O2
N1-(2-chlorophenyl)-N2-(3-(4-phenylpiperazin-1-yl)propyl)oxalamide chemical structure, C21H25ClN4O2, CAS 1049509-84-3
N1-(2-chlorophenyl)-N2-(3-(4-phenylpiperazin-1-yl)propyl)oxalamide
CAS 1049509-84-3C21H25ClN4O2
4-(4-Chlorophenyl)-N-{2-oxo-2-[(2-phenylethyl)amino]ethyl}piperazine-1-carboxamide chemical structure, C21H25ClN4O2, CAS 1324092-46-7
4-(4-Chlorophenyl)-N-{2-oxo-2-[(2-phenylethyl)amino]ethyl}piperazine-1-carboxamide
CAS 1324092-46-7C21H25ClN4O2
4-(3-Chlorophenyl)-N-{2-oxo-2-[(2-phenylethyl)amino]ethyl}piperazine-1-carboxamide chemical structure, C21H25ClN4O2, CAS 1324064-73-4
4-(3-Chlorophenyl)-N-{2-oxo-2-[(2-phenylethyl)amino]ethyl}piperazine-1-carboxamide
CAS 1324064-73-4C21H25ClN4O2
1-{2-[Benzyl(methyl)amino]ethyl}-3-[1-(4-chlorophenyl)-5-oxopyrrolidin-3-yl]urea chemical structure, C21H25ClN4O2, CAS 894033-15-9
1-{2-[Benzyl(methyl)amino]ethyl}-3-[1-(4-chlorophenyl)-5-oxopyrrolidin-3-yl]urea
CAS 894033-15-9C21H25ClN4O2
5-Chloro-2-methoxy-N-[1-(5,6,7,8-tetrahydroquinazolin-4-yl)piperidin-4-yl]benzamide chemical structure, C21H25ClN4O2, CAS 2034410-46-1
5-Chloro-2-methoxy-N-[1-(5,6,7,8-tetrahydroquinazolin-4-yl)piperidin-4-yl]benzamide
CAS 2034410-46-1C21H25ClN4O2
N1-(4-chlorobenzyl)-N2-((1-(2-methylpyridin-4-yl)piperidin-4-yl)methyl)oxalamide chemical structure, C21H25ClN4O2, CAS 2034468-66-9
N1-(4-chlorobenzyl)-N2-((1-(2-methylpyridin-4-yl)piperidin-4-yl)methyl)oxalamide
CAS 2034468-66-9C21H25ClN4O2
N1-(3-chloro-4-methylphenyl)-N2-((1-(2-methylpyridin-4-yl)piperidin-4-yl)methyl)oxalamide chemical structure, C21H25ClN4O2, CAS 2034260-16-5
N1-(3-chloro-4-methylphenyl)-N2-((1-(2-methylpyridin-4-yl)piperidin-4-yl)methyl)oxalamide
CAS 2034260-16-5C21H25ClN4O2
N-(1-{1-[1-(4-Chlorophenyl)cyclopentanecarbonyl]pyrrolidin-3-yl}-1H-pyrazol-4-yl)acetamide chemical structure, C21H25ClN4O2, CAS 2415583-06-9
N-(1-{1-[1-(4-Chlorophenyl)cyclopentanecarbonyl]pyrrolidin-3-yl}-1H-pyrazol-4-yl)acetamide
CAS 2415583-06-9C21H25ClN4O2
4-[4-(5-Chloro-2-methylphenyl)piperazine-1-carbonyl]-6-(oxan-4-yl)pyrimidine chemical structure, C21H25ClN4O2, CAS 2415541-87-4
4-[4-(5-Chloro-2-methylphenyl)piperazine-1-carbonyl]-6-(oxan-4-yl)pyrimidine
CAS 2415541-87-4C21H25ClN4O2

Frequently asked questions

What is the molar mass of C21H25ClN4O2?

The molar mass of C21H25ClN4O2 is 400.91 g/mol, calculated from standard atomic weights for 21 carbon atoms, 25 hydrogen atoms, 1 chlorine atom, 4 nitrogen atoms and 2 oxygen atoms. The monoisotopic mass is 400.1666 Da.

How many compounds have the formula C21H25ClN4O2?

CompoundList lists 28 compounds with the molecular formula C21H25ClN4O2, including Pelanserin hydrochloride, 2-(4-(2-Chlorobenzyl)-1-piperazinyl)-N'-(4-methoxybenzylidene)acetohydrazide, 2-[4-(2-Chlorobenzyl)piperazin-1-yl]-N'-[(E)-(2-methoxyphenyl)methylidene]acetohydrazide. 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 C21H25ClN4O2?

C21H25ClN4O2 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.