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Molecular formula

C21H31N5O2

20 compounds have this formula on CompoundList.

Molar mass
385.51g/mol
Monoisotopic mass
393.2980Da
Atoms
59
Elements
4
Rings plus double bonds
9

The formula C21H31N5O2 describes a molecule made of 21 carbon atoms, 31 hydrogen atoms, 5 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 × 2165.43%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 318.11%
    1.008 × 31 = 31.248 g/mol
  • N Nitrogen × 518.17%
    14.007 × 5 = 70.035 g/mol
  • O Oxygen × 28.30%
    15.999 × 2 = 31.998 g/mol
Look up another formula

Compounds with the formula C21H31N5O2

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

Showing 1 to 20 of 20 compounds

Buspirone chemical structure, C21H31N5O2, CAS 36505-84-7
Buspirone
CAS 36505-84-7C21H31N5O2
8-(4-(4-(2-Pyrimidinyl)-1-piperazinyl)butyl-1,1,2,2,3,3,4,4-d8)-8-azaspiro(4.5)decane-7,9-dione chemical structure, C21H31N5O2, CAS 204395-49-3
8-(4-(4-(2-Pyrimidinyl)-1-piperazinyl)butyl-1,1,2,2,3,3,4,4-d8)-8-azaspiro(4.5)decane-7,9-dione
CAS 204395-49-3C21H31N5O2
N-(trans-4-Morpholinocyclohexyl)-5-(tetrahydro-2H-pyran-4-yl)-7H-pyrrolo[2,3-d]pyrimidin-4-amine chemical structure, C21H31N5O2, CAS 2196204-23-4
N-(trans-4-Morpholinocyclohexyl)-5-(tetrahydro-2H-pyran-4-yl)-7H-pyrrolo[2,3-d]pyrimidin-4-amine
CAS 2196204-23-4C21H31N5O2
N2-Cyclopropyl-N4-(1-isopropylpiperidin-4-yl)-6,7-dimethoxyquinazoline-2,4-diamine chemical structure, C21H31N5O2, CAS 2328073-61-4
N2-Cyclopropyl-N4-(1-isopropylpiperidin-4-yl)-6,7-dimethoxyquinazoline-2,4-diamine
CAS 2328073-61-4C21H31N5O2
2-{[3-tert-Butyl-1-(4,6-dimethylpyrimidin-2-yl)-1H-pyrazol-5-yl]oxy}-N-cyclohexylacetamide chemical structure, C21H31N5O2, CAS 1020453-70-6
2-{[3-tert-Butyl-1-(4,6-dimethylpyrimidin-2-yl)-1H-pyrazol-5-yl]oxy}-N-cyclohexylacetamide
CAS 1020453-70-6C21H31N5O2
1-[3-Tert-Butyl-1-(4-Methylphenyl)-1H-Pyrazol-5-Yl]-3-[2-(Morpholin-4-Yl)ethyl]urea chemical structure, C21H31N5O2, CAS 1444867-11-1
1-[3-Tert-Butyl-1-(4-Methylphenyl)-1H-Pyrazol-5-Yl]-3-[2-(Morpholin-4-Yl)ethyl]urea
CAS 1444867-11-1C21H31N5O2
3-[3-(Morpholin-4-yl)propyl]-1-(tetrahydrofuran-2-ylmethyl)-1,2,3,4-tetrahydro[1,3,5]triazino[1,2-a]benzimidazole chemical structure, C21H31N5O2, CAS 878994-81-1
3-[3-(Morpholin-4-yl)propyl]-1-(tetrahydrofuran-2-ylmethyl)-1,2,3,4-tetrahydro[1,3,5]triazino[1,2-a]benzimidazole
CAS 878994-81-1C21H31N5O2
1-(4-Butylphenyl)-5-methyl-N-[3-(morpholin-4-yl)propyl]-1H-1,2,3-triazole-4-carboxamide chemical structure, C21H31N5O2, CAS 950253-37-9
1-(4-Butylphenyl)-5-methyl-N-[3-(morpholin-4-yl)propyl]-1H-1,2,3-triazole-4-carboxamide
CAS 950253-37-9C21H31N5O2
3-[3-(Dimethylamino)propyl]-7-ethyl-1-(2-methoxyphenyl)-8-methyl-1,2,3,4-tetrahydro-6H-pyrimido[1,2-a][1,3,5]triazin-6-one chemical structure, C21H31N5O2, CAS 1158592-82-5
3-[3-(Dimethylamino)propyl]-7-ethyl-1-(2-methoxyphenyl)-8-methyl-1,2,3,4-tetrahydro-6H-pyrimido[1,2-a][1,3,5]triazin-6-one
CAS 1158592-82-5C21H31N5O2
4-(2-(3,5-Dimethyl-1H-pyrazol-1-yl)ethyl)-N-(4-methoxyphenethyl)piperazine-1-carboxamide chemical structure, C21H31N5O2, CAS 1396680-39-9
4-(2-(3,5-Dimethyl-1H-pyrazol-1-yl)ethyl)-N-(4-methoxyphenethyl)piperazine-1-carboxamide
CAS 1396680-39-9C21H31N5O2
1-[2-(2,6-Dimethylmorpholin-4-yl)-2-methylpropyl]-3-[(1-phenyl-1H-pyrazol-4-yl)methyl]urea chemical structure, C21H31N5O2, CAS 1210708-62-5
1-[2-(2,6-Dimethylmorpholin-4-yl)-2-methylpropyl]-3-[(1-phenyl-1H-pyrazol-4-yl)methyl]urea
CAS 1210708-62-5C21H31N5O2
(R)-1-[3-Amino-5-(4-methyl-1-imidazolyl)benzyl]-N-Boc-piperidin-3-amine chemical structure, C21H31N5O2, CAS 2794206-49-6
(R)-1-[3-Amino-5-(4-methyl-1-imidazolyl)benzyl]-N-Boc-piperidin-3-amine
CAS 2794206-49-6C21H31N5O2
N1-allyl-N2-(2-(1-methylindolin-5-yl)-2-(4-methylpiperazin-1-yl)ethyl)oxalamide chemical structure, C21H31N5O2, CAS 922557-48-0
N1-allyl-N2-(2-(1-methylindolin-5-yl)-2-(4-methylpiperazin-1-yl)ethyl)oxalamide
CAS 922557-48-0C21H31N5O2
5-(1-{[(1-Cyanocyclohexyl)carbamoyl]methyl}piperidin-2-yl)-N,1-dimethyl-1H-pyrrole-2-carboxamide chemical structure, C21H31N5O2, CAS 2108351-22-8
5-(1-{[(1-Cyanocyclohexyl)carbamoyl]methyl}piperidin-2-yl)-N,1-dimethyl-1H-pyrrole-2-carboxamide
CAS 2108351-22-8C21H31N5O2
1-[4-(4-{[1-(4,6-Dimethylpyrimidin-2-yl)piperidin-4-yl]oxy}but-2-yn-1-yl)piperazin-1-yl]ethan-1-one chemical structure, C21H31N5O2, CAS 2640822-55-3
1-[4-(4-{[1-(4,6-Dimethylpyrimidin-2-yl)piperidin-4-yl]oxy}but-2-yn-1-yl)piperazin-1-yl]ethan-1-one
CAS 2640822-55-3C21H31N5O2
1-[4-(4-{[1-(2,6-Dimethylpyrimidin-4-yl)piperidin-4-yl]oxy}but-2-yn-1-yl)piperazin-1-yl]ethan-1-one chemical structure, C21H31N5O2, CAS 2640821-21-0
1-[4-(4-{[1-(2,6-Dimethylpyrimidin-4-yl)piperidin-4-yl]oxy}but-2-yn-1-yl)piperazin-1-yl]ethan-1-one
CAS 2640821-21-0C21H31N5O2
(S)-1-[3-Amino-5-(4-methyl-1-imidazolyl)benzyl]-N-Boc-piperidin-3-amine chemical structure, C21H31N5O2, CAS 2244133-50-2
(S)-1-[3-Amino-5-(4-methyl-1-imidazolyl)benzyl]-N-Boc-piperidin-3-amine
CAS 2244133-50-2C21H31N5O2
tert-Butyl 2-((methyl(3-(methylamino)quinoxalin-2-yl)amino)methyl)piperidine-1-carboxylate chemical structure, C21H31N5O2, CAS 1420867-63-5
tert-Butyl 2-((methyl(3-(methylamino)quinoxalin-2-yl)amino)methyl)piperidine-1-carboxylate
CAS 1420867-63-5C21H31N5O2
tert-Butyl 3-((methyl(3-(methylamino)quinoxalin-2-yl)amino)methyl)piperidine-1-carboxylate chemical structure, C21H31N5O2, CAS 1420900-17-9
tert-Butyl 3-((methyl(3-(methylamino)quinoxalin-2-yl)amino)methyl)piperidine-1-carboxylate
CAS 1420900-17-9C21H31N5O2
tert-Butyl 4-((methyl(3-(methylamino)quinoxalin-2-yl)amino)methyl)piperidine-1-carboxylate chemical structure, C21H31N5O2, CAS 1420866-25-6
tert-Butyl 4-((methyl(3-(methylamino)quinoxalin-2-yl)amino)methyl)piperidine-1-carboxylate
CAS 1420866-25-6C21H31N5O2

Frequently asked questions

What is the molar mass of C21H31N5O2?

The molar mass of C21H31N5O2 is 385.51 g/mol, calculated from standard atomic weights for 21 carbon atoms, 31 hydrogen atoms, 5 nitrogen atoms and 2 oxygen atoms. The monoisotopic mass is 393.2980 Da.

How many compounds have the formula C21H31N5O2?

CompoundList lists 20 compounds with the molecular formula C21H31N5O2, including Buspirone, 8-(4-(4-(2-Pyrimidinyl)-1-piperazinyl)butyl-1,1,2,2,3,3,4,4-d8)-8-azaspiro(4.5)decane-7,9-dione, N-(trans-4-Morpholinocyclohexyl)-5-(tetrahydro-2H-pyran-4-yl)-7H-pyrrolo[2,3-d]pyrimidin-4-amine. 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 C21H31N5O2?

C21H31N5O2 has a degree of unsaturation of 9. 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.