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Molecular formula

C16H21N5O2

225 compounds have this formula on CompoundList.

Molar mass
315.38g/mol
Monoisotopic mass
315.1695Da
Atoms
44
Elements
4
Rings plus double bonds
9

The formula C16H21N5O2 describes a molecule made of 16 carbon atoms, 21 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 × 1660.94%
    12.011 × 16 = 192.176 g/mol
  • H Hydrogen × 216.71%
    1.008 × 21 = 21.168 g/mol
  • N Nitrogen × 522.21%
    14.007 × 5 = 70.035 g/mol
  • O Oxygen × 210.15%
    15.999 × 2 = 31.998 g/mol
Look up another formula

Compounds with the formula C16H21N5O2

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

Showing 201 to 225 of 225 compounds

6-Amino-5-(3-methoxy-4-methylphenyl)-2-(piperazin-1-yl)-3,4-dihydropyrimidin-4-one chemical structure, C16H21N5O2, CAS 2171904-57-5
6-Amino-5-(3-methoxy-4-methylphenyl)-2-(piperazin-1-yl)-3,4-dihydropyrimidin-4-one
CAS 2171904-57-5C16H21N5O2
6-Amino-5-(4-ethoxyphenyl)-2-(piperazin-1-yl)-3,4-dihydropyrimidin-4-one chemical structure, C16H21N5O2, CAS 2171969-07-4
6-Amino-5-(4-ethoxyphenyl)-2-(piperazin-1-yl)-3,4-dihydropyrimidin-4-one
CAS 2171969-07-4C16H21N5O2
Benzyl N-[2-methyl-5-(piperidin-4-yl)-2,3-dihydro-1H-1,2,4-triazol-3-ylidene]carbamate chemical structure, C16H21N5O2, CAS 2681256-35-7
Benzyl N-[2-methyl-5-(piperidin-4-yl)-2,3-dihydro-1H-1,2,4-triazol-3-ylidene]carbamate
CAS 2681256-35-7C16H21N5O2
N-(Oxan-4-yl)-1-{pyrazolo[1,5-a]pyrazin-4-yl}pyrrolidine-3-carboxamide chemical structure, C16H21N5O2, CAS 3030780-38-9
N-(Oxan-4-yl)-1-{pyrazolo[1,5-a]pyrazin-4-yl}pyrrolidine-3-carboxamide
CAS 3030780-38-9C16H21N5O2
1-{Imidazo[1,2-b]pyridazin-6-yl}-N-(oxan-4-yl)pyrrolidine-3-carboxamide chemical structure, C16H21N5O2, CAS 3054588-93-8
1-{Imidazo[1,2-b]pyridazin-6-yl}-N-(oxan-4-yl)pyrrolidine-3-carboxamide
CAS 3054588-93-8C16H21N5O2
N-(Oxan-4-yl)-1-{pyrazolo[1,5-a]pyrimidin-5-yl}pyrrolidine-3-carboxamide chemical structure, C16H21N5O2, CAS 3030818-93-7
N-(Oxan-4-yl)-1-{pyrazolo[1,5-a]pyrimidin-5-yl}pyrrolidine-3-carboxamide
CAS 3030818-93-7C16H21N5O2
5-{4-[(5-Cyclopropyl-1,2-oxazol-3-yl)methyl]piperazin-1-yl}-2-methyl-2,3-dihydropyridazin-3-one chemical structure, C16H21N5O2, CAS 3030824-47-3
5-{4-[(5-Cyclopropyl-1,2-oxazol-3-yl)methyl]piperazin-1-yl}-2-methyl-2,3-dihydropyridazin-3-one
CAS 3030824-47-3C16H21N5O2
N-[1-(3-Methoxypyridin-2-yl)piperidin-3-yl]-1-methyl-1H-pyrazole-4-carboxamide chemical structure, C16H21N5O2, CAS 3030807-21-4
N-[1-(3-Methoxypyridin-2-yl)piperidin-3-yl]-1-methyl-1H-pyrazole-4-carboxamide
CAS 3030807-21-4C16H21N5O2
N-[1-(6-Methoxypyridin-2-yl)piperidin-3-yl]-1-methyl-1H-pyrazole-4-carboxamide chemical structure, C16H21N5O2, CAS 3030843-48-9
N-[1-(6-Methoxypyridin-2-yl)piperidin-3-yl]-1-methyl-1H-pyrazole-4-carboxamide
CAS 3030843-48-9C16H21N5O2
N-[1-(2-Methoxypyridin-4-yl)piperidin-3-yl]-1-methyl-1H-pyrazole-4-carboxamide chemical structure, C16H21N5O2, CAS 3030808-09-1
N-[1-(2-Methoxypyridin-4-yl)piperidin-3-yl]-1-methyl-1H-pyrazole-4-carboxamide
CAS 3030808-09-1C16H21N5O2
N-[1-(6-Methoxypyridin-2-yl)piperidin-3-yl]-1-methyl-1H-pyrazole-3-carboxamide chemical structure, C16H21N5O2, CAS 3054564-07-4
N-[1-(6-Methoxypyridin-2-yl)piperidin-3-yl]-1-methyl-1H-pyrazole-3-carboxamide
CAS 3054564-07-4C16H21N5O2
N-[1-(3-Methoxypyridin-2-yl)piperidin-4-yl]-1-methyl-1H-pyrazole-3-carboxamide chemical structure, C16H21N5O2, CAS 3030813-71-6
N-[1-(3-Methoxypyridin-2-yl)piperidin-4-yl]-1-methyl-1H-pyrazole-3-carboxamide
CAS 3030813-71-6C16H21N5O2
N-[1-(6-Methoxypyridin-2-yl)piperidin-4-yl]-1-methyl-1H-pyrazole-3-carboxamide chemical structure, C16H21N5O2, CAS 3030865-41-6
N-[1-(6-Methoxypyridin-2-yl)piperidin-4-yl]-1-methyl-1H-pyrazole-3-carboxamide
CAS 3030865-41-6C16H21N5O2
4-{4-[(5-Cyclopropyl-1,2-oxazol-3-yl)methyl]piperazin-1-yl}-6-methoxypyrimidine chemical structure, C16H21N5O2, CAS 3054413-47-4
4-{4-[(5-Cyclopropyl-1,2-oxazol-3-yl)methyl]piperazin-1-yl}-6-methoxypyrimidine
CAS 3054413-47-4C16H21N5O2
5-{4-[(2-Methoxypyridin-4-yl)methyl]piperazin-1-yl}-2-methyl-2,3-dihydropyridazin-3-one chemical structure, C16H21N5O2, CAS 3030848-55-3
5-{4-[(2-Methoxypyridin-4-yl)methyl]piperazin-1-yl}-2-methyl-2,3-dihydropyridazin-3-one
CAS 3030848-55-3C16H21N5O2
4-Methoxy-N-{1-[(2-methoxypyridin-4-yl)methyl]pyrrolidin-3-yl}pyrimidin-2-amine chemical structure, C16H21N5O2, CAS 3054591-06-6
4-Methoxy-N-{1-[(2-methoxypyridin-4-yl)methyl]pyrrolidin-3-yl}pyrimidin-2-amine
CAS 3054591-06-6C16H21N5O2
4-Methoxy-N-{1-[(6-methoxypyridin-3-yl)methyl]pyrrolidin-3-yl}pyrimidin-2-amine chemical structure, C16H21N5O2, CAS 3054620-71-9
4-Methoxy-N-{1-[(6-methoxypyridin-3-yl)methyl]pyrrolidin-3-yl}pyrimidin-2-amine
CAS 3054620-71-9C16H21N5O2
6-Methoxy-N-{1-[(2-methoxypyridin-4-yl)methyl]pyrrolidin-3-yl}pyrimidin-4-amine chemical structure, C16H21N5O2, CAS 3054533-76-2
6-Methoxy-N-{1-[(2-methoxypyridin-4-yl)methyl]pyrrolidin-3-yl}pyrimidin-4-amine
CAS 3054533-76-2C16H21N5O2
6-Methoxy-N-{1-[(6-methoxypyridin-3-yl)methyl]pyrrolidin-3-yl}pyrimidin-4-amine chemical structure, C16H21N5O2, CAS 3054414-38-6
6-Methoxy-N-{1-[(6-methoxypyridin-3-yl)methyl]pyrrolidin-3-yl}pyrimidin-4-amine
CAS 3054414-38-6C16H21N5O2
N-[(Furan-2-yl)methyl]-2-{methyl[1-(5-methylpyrimidin-4-yl)azetidin-3-yl]amino}acetamide chemical structure, C16H21N5O2, CAS 3054593-45-9
N-[(Furan-2-yl)methyl]-2-{methyl[1-(5-methylpyrimidin-4-yl)azetidin-3-yl]amino}acetamide
CAS 3054593-45-9C16H21N5O2
4-Methoxy-2-{4-[(6-methoxypyridin-3-yl)methyl]piperazin-1-yl}pyrimidine chemical structure, C16H21N5O2, CAS 3054619-12-1
4-Methoxy-2-{4-[(6-methoxypyridin-3-yl)methyl]piperazin-1-yl}pyrimidine
CAS 3054619-12-1C16H21N5O2
5-Methoxy-2-{4-[(6-methoxypyridin-3-yl)methyl]piperazin-1-yl}pyrimidine chemical structure, C16H21N5O2, CAS 3054411-25-2
5-Methoxy-2-{4-[(6-methoxypyridin-3-yl)methyl]piperazin-1-yl}pyrimidine
CAS 3054411-25-2C16H21N5O2
tert-Butyl 3-(4-methyl-2-pyridinyl)-6,8-dihydro-5H-[1,2,4]triazolo[4,3-a]pyrazine-7-carboxylate chemical structure, C16H21N5O2, CAS 1682610-26-9
tert-Butyl 3-(4-methyl-2-pyridinyl)-6,8-dihydro-5H-[1,2,4]triazolo[4,3-a]pyrazine-7-carboxylate
CAS 1682610-26-9C16H21N5O2
tert-Butyl 3-(5-methyl-2-pyridinyl)-6,8-dihydro-5H-[1,2,4]triazolo[4,3-a]pyrazine-7-carboxylate chemical structure, C16H21N5O2, CAS 1682610-25-8
tert-Butyl 3-(5-methyl-2-pyridinyl)-6,8-dihydro-5H-[1,2,4]triazolo[4,3-a]pyrazine-7-carboxylate
CAS 1682610-25-8C16H21N5O2

Frequently asked questions

What is the molar mass of C16H21N5O2?

The molar mass of C16H21N5O2 is 315.38 g/mol, calculated from standard atomic weights for 16 carbon atoms, 21 hydrogen atoms, 5 nitrogen atoms and 2 oxygen atoms. The monoisotopic mass is 315.1695 Da.

How many compounds have the formula C16H21N5O2?

CompoundList lists 225 compounds with the molecular formula C16H21N5O2, including 6-Amino-5-(3-methoxy-4-methylphenyl)-2-(piperazin-1-yl)-3,4-dihydropyrimidin-4-one, 6-Amino-5-(4-ethoxyphenyl)-2-(piperazin-1-yl)-3,4-dihydropyrimidin-4-one, Benzyl N-[2-methyl-5-(piperidin-4-yl)-2,3-dihydro-1H-1,2,4-triazol-3-ylidene]carbamate. 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 C16H21N5O2?

C16H21N5O2 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.