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 1 to 100 of 225 compounds
Alizapride
CAS 59338-93-1C16H21N5O2
1-(3-Benzyl-2-methyl-5-nitroimidazol-4-yl)-4-methylpiperazine
CAS 331275-98-0C16H21N5O2
![2-(2-((2,8,10-Trimethylpyrido[2',3':3,4]pyrazolo[1,5-a]pyrimidin-4-yl)amino)ethoxy)ethanol chemical structure, C16H21N5O2, CAS 896806-34-1](/s/YXAYOHWXSOADHL-UHFFFAOYSA-N.svg)
2-(2-((2,8,10-Trimethylpyrido[2',3':3,4]pyrazolo[1,5-a]pyrimidin-4-yl)amino)ethoxy)ethanol
CAS 896806-34-1C16H21N5O2
N-(3-Methoxy-5-(1H-tetrazol-1-yl)phenyl)cyclopentanepropanamide
CAS 438229-61-9C16H21N5O2
![N'-{(Z)-[4-(Diethylamino)-2-hydroxyphenyl]methylidene}-3-methyl-1H-pyrazole-5-carbohydrazide chemical structure, C16H21N5O2, CAS 306755-70-4](/s/GDOZRPJUBBRPNX-UHFFFAOYSA-N.svg)
N'-{(Z)-[4-(Diethylamino)-2-hydroxyphenyl]methylidene}-3-methyl-1H-pyrazole-5-carbohydrazide
CAS 306755-70-4C16H21N5O2
![1'-Acetyl-6-amino-5-cyano-3-propyl-2,4-dihydrospiro[pyrano[2,3-c]pyrazole-4,4'-piperidine] chemical structure, C16H21N5O2, CAS 340812-53-5](/s/VGWLSNMEHITNDN-UHFFFAOYSA-N.svg)
1'-Acetyl-6-amino-5-cyano-3-propyl-2,4-dihydrospiro[pyrano[2,3-c]pyrazole-4,4'-piperidine]
CAS 340812-53-5C16H21N5O2
![N-[2-(Dimethylamino)ethyl]-1-(1H-indazol-3-yl)-5-oxo-3-pyrrolidinecarboxamide chemical structure, C16H21N5O2, CAS 1436000-66-6](/s/FXCWSWILZCBIJY-UHFFFAOYSA-N.svg)
N-[2-(Dimethylamino)ethyl]-1-(1H-indazol-3-yl)-5-oxo-3-pyrrolidinecarboxamide
CAS 1436000-66-6C16H21N5O2
(4-(2-(1H-Pyrazol-1-yl)ethyl)piperazin-1-yl)(5-cyclopropylisoxazol-3-yl)methanone
CAS 1286727-66-9C16H21N5O2
![1-[3-(3,5-Dimethylpyrazol-1-yl)-4-nitrophenyl]-4-methylpiperazine chemical structure, C16H21N5O2, CAS 296797-55-2](/s/NHOSMDUPJTUDCU-UHFFFAOYSA-N.svg)
1-[3-(3,5-Dimethylpyrazol-1-yl)-4-nitrophenyl]-4-methylpiperazine
CAS 296797-55-2C16H21N5O2
Hdac3-IN-2
CAS 3033039-28-7C16H21N5O2
![2-Oxo-N-[2-(1H-1,2,4-triazol-1-yl)propyl]-1H,2H,5H,6H,7H,8H,9H-cyclohepta[b]pyridine-3-carboxamide chemical structure, C16H21N5O2, CAS 1214396-04-9](/s/IYOBWGQEUQMLOI-UHFFFAOYSA-N.svg)
2-Oxo-N-[2-(1H-1,2,4-triazol-1-yl)propyl]-1H,2H,5H,6H,7H,8H,9H-cyclohepta[b]pyridine-3-carboxamide
CAS 1214396-04-9C16H21N5O2
N-(Cyclohexylmethyl)-2-(4-methoxyphenyl)-2H-tetrazole-5-carboxamide
CAS 1396878-42-4C16H21N5O2
2-Methoxy-1-(4-(2-methyl-6-(1H-pyrrol-1-yl)pyrimidin-4-yl)piperazin-1-yl)ethanone
CAS 1421476-30-3C16H21N5O2
N-Acetyl-N-(2,5-dimethyl-1H-pyrrol-yl)-6-morpholino-3-pyridazineamine
CAS 89937-39-3C16H21N5O2
![1-(4-Hydroxycyclohexyl)-3-[(3-phenyl-1H-1,2,4-triazol-5-yl)methyl]urea chemical structure, C16H21N5O2, CAS 1281156-50-0](/s/IHAONOCGLIEXAY-UHFFFAOYSA-N.svg)
1-(4-Hydroxycyclohexyl)-3-[(3-phenyl-1H-1,2,4-triazol-5-yl)methyl]urea
CAS 1281156-50-0C16H21N5O2
N-(3-Cyclopropyl-1-(4,5-dimethyl-6-oxo-1,6-dihydropyrimidin-2-yl)-1H-pyrazol-5-yl)isobutyramide
CAS 1226430-56-3C16H21N5O2
![(2R)-Methyl-1-{3-[2-(3-pyridinyloxy)ethoxy]-2-pyrazinyl}piperazine chemical structure, C16H21N5O2, CAS 313658-33-2](/s/DNZVDSXVCHUOFL-CYBMUJFWSA-N.svg)
(2R)-Methyl-1-{3-[2-(3-pyridinyloxy)ethoxy]-2-pyrazinyl}piperazine
CAS 313658-33-2C16H21N5O2
![1-Ethyl-1-[4-(1H-imidazol-5-ylmethyl)-2,3-dihydro-1,4-benzoxazin-6-yl]-3-methylurea chemical structure, C16H21N5O2, CAS 928115-79-1](/s/WERQIVWSJIEUTO-UHFFFAOYSA-N.svg)
1-Ethyl-1-[4-(1H-imidazol-5-ylmethyl)-2,3-dihydro-1,4-benzoxazin-6-yl]-3-methylurea
CAS 928115-79-1C16H21N5O2
![Ethyl 2-cyclobutyl-7-[(E)-2-(dimethylamino)vinyl][1,2,4]triazolo[1,5-a]pyrimidine-6-carboxylate chemical structure, C16H21N5O2, CAS 1379821-55-2](/s/AAGUYARKDJTBEN-CMDGGOBGSA-N.svg)
Ethyl 2-cyclobutyl-7-[(E)-2-(dimethylamino)vinyl][1,2,4]triazolo[1,5-a]pyrimidine-6-carboxylate
CAS 1379821-55-2C16H21N5O2
![6-Cyclohexyl-4,7,8-trimethylpurino[7,8-a]imidazole-1,3-dione chemical structure, C16H21N5O2, CAS 879457-52-0](/s/IEOMJMLJZNNVTK-UHFFFAOYSA-N.svg)
6-Cyclohexyl-4,7,8-trimethylpurino[7,8-a]imidazole-1,3-dione
CAS 879457-52-0C16H21N5O2
![N'-{(E)-[4-(diethylamino)-2-hydroxyphenyl]methylidene}-3-methyl-1H-pyrazole-5-carbohydrazide chemical structure, C16H21N5O2, CAS 1273559-98-0](/s/GDOZRPJUBBRPNX-LICLKQGHSA-N.svg)
N'-{(E)-[4-(diethylamino)-2-hydroxyphenyl]methylidene}-3-methyl-1H-pyrazole-5-carbohydrazide
CAS 1273559-98-0C16H21N5O2
![1-Methyl-3,8-bis(2-methylallyl)-7,8-dihydro-1H-imidazo[2,1-f]purine-2,4(3H,6H)-dione chemical structure, C16H21N5O2, CAS 1010922-97-0](/s/DBKSLEAWQXFZGT-UHFFFAOYSA-N.svg)
1-Methyl-3,8-bis(2-methylallyl)-7,8-dihydro-1H-imidazo[2,1-f]purine-2,4(3H,6H)-dione
CAS 1010922-97-0C16H21N5O2
![6-Ethyl-4,7,8-trimethyl-2-(2-methylprop-2-enyl)purino[7,8-a]imidazole-1,3-dione chemical structure, C16H21N5O2, CAS 878412-53-4](/s/FPXXOIKGFJWXRP-UHFFFAOYSA-N.svg)
6-Ethyl-4,7,8-trimethyl-2-(2-methylprop-2-enyl)purino[7,8-a]imidazole-1,3-dione
CAS 878412-53-4C16H21N5O2
![8-Cyclohexyl-1,3,7-trimethyl-1H-imidazo[2,1-f]purine-2,4(3H,8H)-dione chemical structure, C16H21N5O2, CAS 31575-55-0](/s/YSBNBMYDTRYCHU-UHFFFAOYSA-N.svg)
8-Cyclohexyl-1,3,7-trimethyl-1H-imidazo[2,1-f]purine-2,4(3H,8H)-dione
CAS 31575-55-0C16H21N5O2
- {5-[1-(Benzylamino)cyclohexyl]-1H-tetrazol-1-YL}acetic acid915920-47-7C16H21N5O2
- Acetamide, N-(8-(4-(2-hydroxyethyl)-1-piperazinyl)-1,7-naphthyridin-6-yl)-106309-73-3C16H21N5O2
- 4,7,8-Trimethyl-2-prop-2-enyl-6-propylpurino[7,8-a]imidazole-1,3-dione878411-94-0C16H21N5O2
- 1-(2,6-Dimethylmorpholin-4-yl)-2-[5-(4-methylphenyl)tetrazol-2-yl]ethanone878430-85-4C16H21N5O2
- 6-Cyclopentyl-2,4,7,8-tetramethylpurino[7,8-a]imidazole-1,3-dione887672-09-5C16H21N5O2
- 5-Amino-N-cyclohexyl-1-(4-methoxyphenyl)-1H-1,2,3-triazole-4-carboxamide950240-07-0C16H21N5O2
- 3,8-Di((E)-but-2-en-1-yl)-1-methyl-7,8-dihydro-1H-imidazo[2,1-f]purine-2,4(3H,6H)-dione1190324-15-2C16H21N5O2
- 5-Pyrimidinecarboxamide, 2-amino-4-methoxy-N-(2-(methyl(phenylmethyl)amino)ethyl)-72412-39-6C16H21N5O2
- 4,7,8-Trimethyl-6-prop-2-enyl-2-propylpurino[7,8-a]imidazole-1,3-dione878411-37-1C16H21N5O2
- 4,7,8-Trimethyl-6-propan-2-yl-2-prop-2-enylpurino[7,8-a]imidazole-1,3-dione878734-43-1C16H21N5O2
- 3-Allyl-8-(sec-butyl)-1,7-dimethyl-1H-imidazo[2,1-f]purine-2,4(3H,8H)-dione915926-31-7C16H21N5O2
- N-((1-Cyclohexyl-1H-tetrazol-5-yl)methyl)-4-methoxybenzamide921503-00-6C16H21N5O2
- (E)-N-(2-((4-(Dimethylamino)-6-methylpyrimidin-2-yl)amino)ethyl)-3-(furan-2-yl)acrylamide1251711-65-5C16H21N5O2
- N4-benzyl-N2-isobutyl-6-methyl-5-nitropyrimidine-2,4-diamine1257549-63-5C16H21N5O2
- 1-(4-(Dimethylamino)-2-methoxypyrimidin-5-yl)-3-(2-ethylphenyl)urea1798619-93-8C16H21N5O2
- 2-{1-[5-(3-Cyclopropyl-1,2,4-oxadiazol-5-yl)pyrimidin-4-yl]piperidin-2-yl}ethanol2108266-47-1C16H21N5O2
- N-Cyclopentyl-1-(4-ethyl-6-oxo-1,6-dihydropyrimidin-2-yl)-5-methyl-1H-pyrazole-4-carboxamide1172091-34-7C16H21N5O2
- 1,3,5-Triazino(1,2-a)benzimidazole-10(2H)-carboxamide,3,4-dihydro-2,2,3-trimethyl-4-oxo-N-propyl-87575-69-7C16H21N5O2
- 4,7-Dimethyl-2-(2-methylprop-2-enyl)-6-propylpurino[7,8-a]imidazole-1,3-dione876902-24-8C16H21N5O2
- 3-{1-[(4-Methylpiperazino)carbonyl]propyl}-1,2,3-benzotriazin-4(3H)-one879767-43-8C16H21N5O2
- 4,7-Dimethyl-2-(2-methylprop-2-enyl)-6-propan-2-ylpurino[7,8-a]imidazole-1,3-dione878730-75-7C16H21N5O2
- 6-Cyclopentyl-2-ethyl-4,7-dimethylpurino[7,8-a]imidazole-1,3-dione887671-80-9C16H21N5O2
- 3-Allyl-8-butyl-1,7-dimethyl-1H-imidazo[2,1-f]purine-2,4(3H,8H)-dione887463-72-1C16H21N5O2
- 2-(2-(3,5-Dimethyl-1H-pyrazol-1-yl)-4-oxo-5,6,7,8-tetrahydroquinazolin-3(4H)-yl)-N-methylacetamide1006785-18-7C16H21N5O2
- 8-(4-(3,5-Dimethyl-1H-pyrazol-1-yl)pyrimidin-2-yl)-1,4-dioxa-8-azaspiro[4.5]decane1251708-76-5C16H21N5O2
- (3-((6-Methylpyridazin-3-yl)oxy)pyrrolidin-1-yl)(1,3,5-trimethyl-1H-pyrazol-4-yl)methanone2034478-14-1C16H21N5O2
- 2-(4,5-Dimethyl-6-oxopyrimidin-1(6H)-yl)-N-((4,5,6,7-tetrahydropyrazolo[1,5-a]pyridin-3-yl)methyl)acetamide2034337-07-8C16H21N5O2
- 1-(4-((2,6-Dimethylpyrimidin-4-yl)oxy)piperidin-1-yl)-2-(1H-pyrazol-1-yl)ethanone2034558-58-0C16H21N5O2
- N-(3-Methyl-1-(4-oxo-4,5,6,7-tetrahydro-3H-cyclopenta[d]pyrimidin-2-yl)-1H-pyrazol-5-yl)pivalamide1003799-18-5C16H21N5O2
- N-Cyclopentyl-1-(4,5-dimethyl-6-oxo-1,6-dihydropyrimidin-2-yl)-5-methyl-1H-pyrazole-4-carboxamide1172951-97-1C16H21N5O2
- 1,3,5-Triazino(1,2-a)benzimidazole-10(2H)-carboxamide,3,4-dihydro-2,2,3-trimethyl-N-(1-methylethyl)-4-oxo-87575-70-0C16H21N5O2
- N-{2-[2-(Dimethylamino)ethoxy]-5-methylphenyl}-N'-pyrazin-2-ylurea457098-41-8C16H21N5O2
- 3-Allyl-8-isobutyl-1,7-dimethyl-1H-imidazo[2,1-f]purine-2,4(3H,8H)-dione915910-14-4C16H21N5O2
- 8-Allyl-3-butyl-1,7-dimethyl-1H-imidazo[2,1-f]purine-2,4(3H,8H)-dione887464-33-7C16H21N5O2
- 2-Cyclopentyl-N-((1-(4-methoxyphenyl)-1H-tetrazol-5-yl)methyl)acetamide897614-53-8C16H21N5O2
- 2-[4-(Furan-2-carbonyl)piperazin-1-yl]-N,N,6-trimethylpyrimidin-4-amine946384-18-5C16H21N5O2
- 2-Cyclohexyl-N-[4-methoxy-3-(1H-tetrazol-1-yl)phenyl]acetamide1190257-31-8C16H21N5O2
- N-(2-{[2-Methyl-6-(pyrrolidin-1-yl)pyrimidin-4-yl]amino}ethyl)furan-2-carboxamide1203088-02-1C16H21N5O2
- tert-Butyl 2-(6-methylpyridazin-3-yl)-2,4,6,7-tetrahydro-5H-pyrazolo[4,3-c]pyridine-5-carboxylate949922-56-9C16H21N5O2
- N-(4-Ethoxyphenyl)-1-(1H-tetrazol-1-yl)cyclohexanecarboxamide1351699-13-2C16H21N5O2
- N2-(3,3-dimethyl-1-phenylbutan-2-yl)-5-nitropyrimidine-2,4-diamine1376340-67-8C16H21N5O2
- 1-((4-(Dimethylamino)pyrimidin-2-yl)methyl)-3-(2-ethoxyphenyl)urea1797812-43-1C16H21N5O2
- 1-(3-((6-(Dimethylamino)pyrazin-2-yl)oxy)pyrrolidin-1-yl)-2-(1H-pyrrol-1-yl)ethanone2034318-72-2C16H21N5O2
- N-(3-(1H-Pyrazol-1-yl)propyl)-2-methyl-3-oxo-2,3,5,6,7,8-hexahydrocinnoline-6-carboxamide1903522-79-1C16H21N5O2
- 1-Methyl-N-(1-(5-methyl-1H-pyrazol-3-yl)piperidin-4-yl)-2-oxo-1,2-dihydropyridine-3-carboxamide1902945-65-6C16H21N5O2
- 3-{[5-(1-Methyl-1H-pyrazol-4-yl)pyridin-3-yl]methyl}-1-(oxan-4-yl)urea2034383-88-3C16H21N5O2
- 1-Methyl-N-(1-(4-methyl-6-oxo-1,6-dihydropyrimidin-2-yl)piperidin-4-yl)-1H-pyrrole-2-carboxamide1903291-54-2C16H21N5O2
- N-Allyl-2-(2-(3,5-dimethyl-1H-pyrazol-1-yl)-4,5-dimethyl-6-oxopyrimidin-1(6H)-yl)acetamide1002429-69-7C16H21N5O2
- 8-Allyl-3-isobutyl-1,7-dimethyl-1H-imidazo[2,1-f]purine-2,4(3H,8H)-dione887464-38-2C16H21N5O2
- N-((1-(4-Methoxyphenyl)-1H-tetrazol-5-yl)methyl)cyclohexanecarboxamide897614-51-6C16H21N5O2
- N-((1-Cyclohexyl-1H-tetrazol-5-yl)methyl)-2-methoxybenzamide920438-80-8C16H21N5O2
- N-((1-Cyclohexyl-1H-tetrazol-5-yl)methyl)-3-methoxybenzamide921103-86-8C16H21N5O2
- N-((1-Cyclohexyl-1H-tetrazol-5-yl)methyl)-2-phenoxyacetamide920439-72-1C16H21N5O2
- Benzyl ((1-cyclohexyl-1H-tetrazol-5-yl)methyl)carbamate921144-74-3C16H21N5O2
- N-Cyclopentyl-2-(3-(3,5-dimethyl-1H-pyrazol-1-yl)-6-oxopyridazin-1(6H)-yl)acetamide1219584-09-4C16H21N5O2
- N-(2-Methoxybenzyl)-1-(1H-tetrazol-1-yl)cyclohexanecarboxamide1220107-91-4C16H21N5O2
- N-(1-Cyano-1-cyclopropylethyl)-2-{2-methyl-3-oxo-2H,3H,5H,6H,7H,8H-pyrido[4,3-c]pyridazin-6-yl}acetamide1376285-14-1C16H21N5O2
- 1-((4-(Dimethylamino)pyrimidin-2-yl)methyl)-3-(4-ethoxyphenyl)urea1797978-50-7C16H21N5O2
- 1-((2-(Dimethylamino)pyrimidin-4-yl)methyl)-3-(4-ethoxyphenyl)urea1797974-12-9C16H21N5O2
- 4-[2-(Propan-2-yl)-2H-tetrazol-5-yl]-N-(tetrahydrofuran-2-ylmethyl)benzamide1574351-43-1C16H21N5O2
- 1-((4-(Dimethylamino)pyrimidin-2-yl)methyl)-3-(4-methoxy-2-methylphenyl)urea1795297-97-0C16H21N5O2
- N-(4-(Dimethylamino)-2-(piperidin-1-yl)pyrimidin-5-yl)furan-2-carboxamide1797622-52-6C16H21N5O2
- N-{2-[5-Methyl-3-(pyridin-4-yl)-1H-pyrazol-1-yl]ethyl}morpholine-4-carboxamide2034505-69-4C16H21N5O2
- 3-(3,5-Dimethyl-1H-pyrazol-4-yl)-1-[3-(pyrazin-2-yloxy)pyrrolidin-1-yl]propan-1-one2034201-14-2C16H21N5O2
- 3-((3-Cyanopyrazin-2-yl)oxy)-N-cyclohexylpyrrolidine-1-carboxamide2034576-49-1C16H21N5O2
- 3-(3,5-Dimethyl-1H-pyrazol-4-yl)-1-[3-(pyridazin-3-yloxy)pyrrolidin-1-yl]propan-1-one2034207-87-7C16H21N5O2
- (3,5-Dimethyl-1H-pyrazol-4-yl)(3-((6-methylpyridazin-3-yl)oxy)piperidin-1-yl)methanone2034208-53-0C16H21N5O2
- N-[(3,5-Dimethyl-1H-pyrazol-4-yl)methyl]-2-methyl-3-oxo-2,3,5,6,7,8-hexahydrocinnoline-6-carboxamide1902947-15-2C16H21N5O2
- tert-Butyl 4-(2-amino-[1,2,4]triazolo[1,5-a]pyridin-8-yl)-3,6-dihydropyridine-1(2H)-carboxylate1673527-56-4C16H21N5O2
- 1-((5-(1-Methyl-1H-pyrazol-5-yl)pyridin-3-yl)methyl)-3-(tetrahydro-2H-pyran-4-yl)urea2034226-49-6C16H21N5O2
- 1-((2-(1-Methyl-1H-pyrazol-4-yl)pyridin-3-yl)methyl)-3-(tetrahydro-2H-pyran-4-yl)urea2034562-30-4C16H21N5O2
- 1-((6-(1-Methyl-1H-pyrazol-5-yl)pyridin-3-yl)methyl)-3-(tetrahydro-2H-pyran-4-yl)urea2034464-89-4C16H21N5O2
- 1-((6-(1-Methyl-1H-pyrazol-5-yl)pyridin-3-yl)methyl)-3-((tetrahydrofuran-2-yl)methyl)urea2034464-95-2C16H21N5O2
- 1-((6-(1-Methyl-1H-pyrazol-4-yl)pyridin-3-yl)methyl)-3-((tetrahydrofuran-2-yl)methyl)urea2034523-03-8C16H21N5O2
- N-((4-(Dimethylamino)-6-methoxy-1,3,5-triazin-2-yl)methyl)-2-(m-tolyl)acetamide2034540-47-9C16H21N5O2
- 1-(Oxan-4-yl)-3-[1-phenyl-2-(2H-1,2,3-triazol-2-yl)ethyl]urea2320178-42-3C16H21N5O2
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 Alizapride, 1-(3-Benzyl-2-methyl-5-nitroimidazol-4-yl)-4-methylpiperazine, 2-(2-((2,8,10-Trimethylpyrido[2',3':3,4]pyrazolo[1,5-a]pyrimidin-4-yl)amino)ethoxy)ethanol. 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.