Molecular formula
C16H21N5O
241 compounds have this formula on CompoundList.
- Molar mass
- 299.38g/mol
- Monoisotopic mass
- 299.1746Da
- Atoms
- 43
- Elements
- 4
- Rings plus double bonds
- 9
The formula C16H21N5O describes a molecule made of 16 carbon atoms, 21 hydrogen atoms, 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 × 1664.19%12.011 × 16 = 192.176 g/mol
- H Hydrogen × 217.07%1.008 × 21 = 21.168 g/mol
- N Nitrogen × 523.39%14.007 × 5 = 70.035 g/mol
- O Oxygen × 15.34%15.999 × 1 = 15.999 g/mol
Look up another formula
Compounds with the formula C16H21N5O
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 101 to 200 of 241 compounds
N-Cycloheptyl-4-(5-methyl-1H-tetrazol-1-yl)benzamide
CAS 1324083-95-5C16H21N5O
![N-[2,4-Bis(dimethylamino)pyrimidin-5-yl]-2-methylbenzamide chemical structure, C16H21N5O, CAS 1448079-46-6](/s/MTLWGBVTMHFQFA-UHFFFAOYSA-N.svg)
N-[2,4-Bis(dimethylamino)pyrimidin-5-yl]-2-methylbenzamide
CAS 1448079-46-6C16H21N5O
![N-[2,4-Bis(dimethylamino)pyrimidin-5-yl]-2-phenylacetamide chemical structure, C16H21N5O, CAS 1448058-51-2](/s/HZEVBHZDMZDTNN-UHFFFAOYSA-N.svg)
N-[2,4-Bis(dimethylamino)pyrimidin-5-yl]-2-phenylacetamide
CAS 1448058-51-2C16H21N5O
![N-[Cyano(cyclopropyl)methyl]-2-(4-methylpiperazin-1-yl)pyridine-4-carboxamide chemical structure, C16H21N5O, CAS 1797037-01-4](/s/DMPXDXOPDMWYOR-UHFFFAOYSA-N.svg)
N-[Cyano(cyclopropyl)methyl]-2-(4-methylpiperazin-1-yl)pyridine-4-carboxamide
CAS 1797037-01-4C16H21N5O
![N-[1-(5-Cyclopropyl-1H-pyrazol-3-yl)piperidin-4-yl]-1H-pyrrole-2-carboxamide chemical structure, C16H21N5O, CAS 2034201-58-4](/s/XHKJRRGPLFSUNG-UHFFFAOYSA-N.svg)
N-[1-(5-Cyclopropyl-1H-pyrazol-3-yl)piperidin-4-yl]-1H-pyrrole-2-carboxamide
CAS 2034201-58-4C16H21N5O
(5R,9S)-9-Amino-2(1),5-dimethyl-2(1)H-3-aza-1(4,2)-pyridina-2(5,4)-pyrazolacyclononaphan-4-one
CAS 1802431-36-2C16H21N5O
![1-Cyclopentyl-3-{2-[4-(pyridin-3-yl)-1H-pyrazol-1-yl]ethyl}urea chemical structure, C16H21N5O, CAS 2097868-05-6](/s/AXDYZXNFVIHPQB-UHFFFAOYSA-N.svg)
1-Cyclopentyl-3-{2-[4-(pyridin-3-yl)-1H-pyrazol-1-yl]ethyl}urea
CAS 2097868-05-6C16H21N5O
![6-Methyl-2-{[1-(5-methylpyrimidin-2-yl)piperidin-4-yl]methyl}-2,3-dihydropyridazin-3-one chemical structure, C16H21N5O, CAS 2201737-52-0](/s/DBIICLNCGIYWMY-UHFFFAOYSA-N.svg)
6-Methyl-2-{[1-(5-methylpyrimidin-2-yl)piperidin-4-yl]methyl}-2,3-dihydropyridazin-3-one
CAS 2201737-52-0C16H21N5O
![6-{[Cyclohexyl(prop-2-yn-1-yl)amino]methyl}-1-methyl-1H,2H,4H-pyrazolo[3,4-d]pyrimidin-4-one chemical structure, C16H21N5O, CAS 2411247-80-6](/s/IRONDBQGFSMRSP-UHFFFAOYSA-N.svg)
6-{[Cyclohexyl(prop-2-yn-1-yl)amino]methyl}-1-methyl-1H,2H,4H-pyrazolo[3,4-d]pyrimidin-4-one
CAS 2411247-80-6C16H21N5O
![2-Methyl-6-(4-{[(6-methylpyridazin-3-yl)oxy]methyl}piperidin-1-yl)pyrazine chemical structure, C16H21N5O, CAS 2319724-32-6](/s/KEUOZSYWBNLDNP-UHFFFAOYSA-N.svg)
2-Methyl-6-(4-{[(6-methylpyridazin-3-yl)oxy]methyl}piperidin-1-yl)pyrazine
CAS 2319724-32-6C16H21N5O
N-(1-Cyanocyclopropyl)-3-(4-pyridin-2-ylpiperazin-1-yl)propanamide
CAS 2418674-47-0C16H21N5O
![(E)-4-(Dimethylamino)-N-[(1-methylpyrazol-4-yl)-pyridin-3-ylmethyl]but-2-enamide chemical structure, C16H21N5O, CAS 2411335-13-0](/s/UQOZNOSOTBBSHQ-FNORWQNLSA-N.svg)
(E)-4-(Dimethylamino)-N-[(1-methylpyrazol-4-yl)-pyridin-3-ylmethyl]but-2-enamide
CAS 2411335-13-0C16H21N5O
![(E)-4-(Dimethylamino)-N-[1-phenyl-2-(1,2,4-triazol-1-yl)ethyl]but-2-enamide chemical structure, C16H21N5O, CAS 2411329-47-8](/s/XCOHDULLVPAPEI-RMKNXTFCSA-N.svg)
(E)-4-(Dimethylamino)-N-[1-phenyl-2-(1,2,4-triazol-1-yl)ethyl]but-2-enamide
CAS 2411329-47-8C16H21N5O
![(E)-4-(Dimethylamino)-N-[1-[4-(triazol-1-yl)phenyl]ethyl]but-2-enamide chemical structure, C16H21N5O, CAS 2411322-92-2](/s/UVEFWDIEZLQRSS-SNAWJCMRSA-N.svg)
(E)-4-(Dimethylamino)-N-[1-[4-(triazol-1-yl)phenyl]ethyl]but-2-enamide
CAS 2411322-92-2C16H21N5O
![(E)-4-(Dimethylamino)-N-[[2-(1,2,4-triazol-1-ylmethyl)phenyl]methyl]but-2-enamide chemical structure, C16H21N5O, CAS 2411329-97-8](/s/JJMRCLURJNQKKB-VMPITWQZSA-N.svg)
(E)-4-(Dimethylamino)-N-[[2-(1,2,4-triazol-1-ylmethyl)phenyl]methyl]but-2-enamide
CAS 2411329-97-8C16H21N5O
![(2E)-4-(Dimethylamino)-N-[2-phenyl-2-(4H-1,2,4-triazol-3-yl)ethyl]but-2-enamide chemical structure, C16H21N5O, CAS 2411326-90-2](/s/VVHBPILEVDJXNU-RMKNXTFCSA-N.svg)
(2E)-4-(Dimethylamino)-N-[2-phenyl-2-(4H-1,2,4-triazol-3-yl)ethyl]but-2-enamide
CAS 2411326-90-2C16H21N5O
![(E)-4-(Dimethylamino)-N-[2-(2-phenyltriazol-4-yl)ethyl]but-2-enamide chemical structure, C16H21N5O, CAS 2411333-41-8](/s/GUZIBCKTCFFWQC-RMKNXTFCSA-N.svg)
(E)-4-(Dimethylamino)-N-[2-(2-phenyltriazol-4-yl)ethyl]but-2-enamide
CAS 2411333-41-8C16H21N5O
![(E)-4-(Dimethylamino)-N-[(1-methyl-3-pyridin-2-ylpyrazol-4-yl)methyl]but-2-enamide chemical structure, C16H21N5O, CAS 2411325-88-5](/s/BNDSVCOQKYBTNW-SOFGYWHQSA-N.svg)
(E)-4-(Dimethylamino)-N-[(1-methyl-3-pyridin-2-ylpyrazol-4-yl)methyl]but-2-enamide
CAS 2411325-88-5C16H21N5O
![1-(2-Methyl-1-{2-methylpyrazolo[1,5-a]pyrazin-4-yl}-octahydropyrrolo[2,3-c]pyrrol-5-yl)ethan-1-one chemical structure, C16H21N5O, CAS 2549025-91-2](/s/VSMSHFYLFNJISS-UHFFFAOYSA-N.svg)
1-(2-Methyl-1-{2-methylpyrazolo[1,5-a]pyrazin-4-yl}-octahydropyrrolo[2,3-c]pyrrol-5-yl)ethan-1-one
CAS 2549025-91-2C16H21N5O
![N-Methyl-N-(1-{2-methylpyrido[3,4-d]pyrimidin-4-yl}piperidin-4-yl)acetamide chemical structure, C16H21N5O, CAS 2549011-83-6](/s/CTTPZVNFGJICBC-UHFFFAOYSA-N.svg)
N-Methyl-N-(1-{2-methylpyrido[3,4-d]pyrimidin-4-yl}piperidin-4-yl)acetamide
CAS 2549011-83-6C16H21N5O
![3-Methyl-2-[3-(morpholin-4-yl)pyrazin-2-yl]-4,5,6,7-tetrahydro-2H-indazole chemical structure, C16H21N5O, CAS 2549017-12-9](/s/QZTPTJNVOAWLTL-UHFFFAOYSA-N.svg)
3-Methyl-2-[3-(morpholin-4-yl)pyrazin-2-yl]-4,5,6,7-tetrahydro-2H-indazole
CAS 2549017-12-9C16H21N5O
![4-[4-[(2-Methoxypyridin-4-yl)methyl]piperazin-1-yl]-6-methylpyrimidine chemical structure, C16H21N5O, CAS 2948515-23-7](/s/BJPIOBXMYZQPID-UHFFFAOYSA-N.svg)
4-[4-[(2-Methoxypyridin-4-yl)methyl]piperazin-1-yl]-6-methylpyrimidine
CAS 2948515-23-7C16H21N5O
![N-Hexyl-N'-[2-(pyridin-4-yl)pyrimidin-4-yl]urea chemical structure, C16H21N5O, CAS 61310-13-2](/s/LBZUYRGCVDEVMA-UHFFFAOYSA-N.svg)
N-Hexyl-N'-[2-(pyridin-4-yl)pyrimidin-4-yl]urea
CAS 61310-13-2C16H21N5O
2-((1-(4-(1H-1,2,4-Triazol-1-yl)phenyl)ethyl)(methyl)amino)-1-(azetidin-1-yl)ethan-1-one
CAS 1355776-01-0C16H21N5O
- 2-(3-(4-Methylpiperazin-1-yl)quinolin-6-yl)acetohydrazide1268260-99-6C16H21N5O
- ((2R,4S,8R)-8-(1-(Pyridin-3-ylmethyl)-1H-1,2,3-triazol-4-yl)quinuclidin-2-yl)methanol1421050-87-4C16H21N5O
- N-(3,4-Diaminophenyl)-6-(diethylamino)-3-pyridinecarboxamide897399-89-2C16H21N5O
- 6-Morpholino-N4-(1-(pyridin-2-yl)ethyl)pyridine-3,4-diamine1660119-76-5C16H21N5O
- 1-(Cyclopropylmethyl)-4-((pyridin-3-ylmethoxy)methyl)-4,5,6,7-tetrahydro-1H-[1,2,3]triazolo[4,5-c]pyridine1422133-53-6C16H21N5O
- 3-Cyclobutyl-1-[2-(4-morpholinyl)-4-pyridinyl]-1H-pyrazol-5-amine2093978-24-4C16H21N5O
- N-(3-Phenylpropyl)-3-[(1H-1,2,3-triazol-1-yl)methyl]azetidine-1-carboxamide2310153-89-8C16H21N5O
- N-(4-Methylphenyl)-4-(4-methylpiperidine-1-carbonyl)-1H-1,2,3-triazol-5-amine2320889-75-4C16H21N5O
- 4-Methyl-6-(3-{[(5-methylpyrimidin-2-yl)oxy]methyl}piperidin-1-yl)pyrimidine2380060-00-2C16H21N5O
- 2-Methyl-3-(3-{[(5-methylpyrimidin-2-yl)oxy]methyl}piperidin-1-yl)pyrazine2380056-18-6C16H21N5O
- 4-Methyl-2-(3-{[(5-methylpyrimidin-2-yl)oxy]methyl}piperidin-1-yl)pyrimidine2379973-02-9C16H21N5O
- 2-Methyl-6-(3-{[(5-methylpyrimidin-2-yl)oxy]methyl}piperidin-1-yl)pyrazine2379972-08-2C16H21N5O
- 1-(1-{Pyrido[2,3-d]pyrimidin-4-yl}piperidin-4-yl)pyrrolidin-3-ol2379947-31-4C16H21N5O
- 4-Ethyl-6-{3-[(pyrimidin-2-yloxy)methyl]piperidin-1-yl}pyrimidine2379976-78-8C16H21N5O
- 1-(1-{Pyrido[3,4-d]pyrimidin-4-yl}piperidin-4-yl)pyrrolidin-3-ol2380044-61-9C16H21N5O
- 2-Methyl-4-(4-{[(6-methylpyridazin-3-yl)oxy]methyl}piperidin-1-yl)pyrimidine2310016-69-2C16H21N5O
- 2-{4-[(5-Ethylpyrimidin-2-yl)oxy]piperidin-1-yl}-4-methylpyrimidine2380094-99-3C16H21N5O
- 1-Methyl-4-{[4-(5-methylpyrimidin-4-yl)piperazin-1-yl]methyl}-1,2-dihydropyridin-2-one2380167-76-8C16H21N5O
- 1-Methyl-4-{[4-(6-methylpyrimidin-4-yl)piperazin-1-yl]methyl}-1,2-dihydropyridin-2-one2380145-68-4C16H21N5O
- (E)-4-(Dimethylamino)-N-[[3-(5-methyl-1H-1,2,4-triazol-3-yl)phenyl]methyl]but-2-enamide2411336-19-9C16H21N5O
- N-[2-(3,5-Dimethyl-1H-pyrazol-1-yl)ethyl]-5,6,7,8-tetrahydroquinazoline-4-carboxamide2415568-44-2C16H21N5O
- N-[2-(3,5-Dimethyl-1H-pyrazol-1-yl)ethyl]-5,6,7,8-tetrahydrocinnoline-3-carboxamide2415472-34-1C16H21N5O
- 2-Cyclopropyl-N-[2-(3,5-dimethyl-1H-pyrazol-1-yl)ethyl]-6-methylpyrimidine-4-carboxamide2415518-54-4C16H21N5O
- 4,5-Dimethyl-6-[3-(pyrazin-2-yloxymethyl)piperidin-1-yl]pyrimidine2770601-78-8C16H21N5O
- 2-Methyl-4-(4-{[(3-methylpyrazin-2-yl)oxy]methyl}piperidin-1-yl)pyrimidine2877629-44-0C16H21N5O
- 4-Methyl-2-(4-{[(3-methylpyrazin-2-yl)oxy]methyl}piperidin-1-yl)pyrimidine2877676-28-1C16H21N5O
- 4-Methyl-6-(4-{[(3-methylpyrazin-2-yl)oxy]methyl}piperidin-1-yl)pyrimidine2877687-32-4C16H21N5O
- 1-Cyclopropanecarbonyl-4-{3-methyl-3H-imidazo[4,5-b]pyridin-2-yl}-1,4-diazepane2877640-47-4C16H21N5O
- 1-Cyclopropanecarbonyl-4-{7-methyl-7H-pyrrolo[2,3-d]pyrimidin-4-yl}-1,4-diazepane2877628-90-3C16H21N5O
- 4-Methoxy-2-{4-[(2-methylpyridin-3-yl)methyl]piperazin-1-yl}pyrimidine2178542-46-4C16H21N5O
- N-Cyclopropyl-1-{3-methyl-3H-imidazo[4,5-b]pyridin-2-yl}piperidine-3-carboxamide2877633-89-9C16H21N5O
- 5-Amino-N'-(benzyloxy)-1-cyclopentyl-1H-imidazole-4-carboximidamide36125-57-2C16H21N5O
- 4-[(2-Methyl-2-morpholin-4-ylpropyl)amino]pyrrolo[1,2-b]pyridazine-3-carbonitrile1263419-27-7C16H21N5O
- 5-Methyl-n2-(3-(morpholinomethyl)phenyl)pyrimidine-2,4-diamine936092-66-9C16H21N5O
- Rizatriptan impurity 321391062-44-4C16H21N5O
- 3-(((2-Amino-6-(3-aminocyclobutyl)pyrimidin-4-yl)(methyl)amino)methyl)phenol1783143-70-3C16H21N5O
- 2-Furanamine, 5-[[3-ethyl-6-(1-methylethyl)-7H-pyrazolo[5,1-c]-1,2,4-triazol-7-ylidene]methyl]-N,N-dimethyl-197081-32-6C16H21N5O
- 2-[5-[(1S)-1-Aminopropyl]-3-(1-methyl-1H-indol-4-yl)-1H-1,2,4-triazol-1-yl]ethanol hydrochloride2307179-41-3C16H21N5O
- 2-Phenyl-N-{[3-(piperidin-3-yl)-1H-1,2,4-triazol-5-yl]methyl}acetamide2060053-96-3C16H21N5O
- 4-Ethyl-6-{4-[(pyrazin-2-yloxy)methyl]piperidin-1-yl}pyrimidine2549043-92-5C16H21N5O
- 4,5-Dimethyl-6-{4-[(pyrazin-2-yloxy)methyl]piperidin-1-yl}pyrimidine2549013-77-4C16H21N5O
- 2,4-Dimethyl-6-{4-[(pyrazin-2-yloxy)methyl]piperidin-1-yl}pyrimidine2548996-05-8C16H21N5O
- 4,6-Dimethyl-2-{4-[(pyrazin-2-yloxy)methyl]piperidin-1-yl}pyrimidine2548977-62-2C16H21N5O
- 1-Methyl-3-{4-[methyl(pyridin-2-yl)amino]piperidin-1-yl}-1,2-dihydropyrazin-2-one2742014-28-2C16H21N5O
- N-(1-{3-Methyl-3H-imidazo[4,5-b]pyridin-2-yl}piperidin-3-yl)cyclopropanecarboxamide2742055-67-8C16H21N5O
- N-(1-{7-Methyl-7H-pyrrolo[2,3-d]pyrimidin-4-yl}piperidin-3-yl)cyclopropanecarboxamide2741922-00-7C16H21N5O
- N-[1-(6-Methoxypyrimidin-4-yl)piperidin-4-yl]-N-methylpyridin-2-amine2741889-56-3C16H21N5O
- N-[1-(4-Methoxypyrimidin-2-yl)piperidin-4-yl]-N-methylpyridin-2-amine2742028-10-8C16H21N5O
- 4,6-Dimethyl-2-{4-[(pyrimidin-2-yloxy)methyl]piperidin-1-yl}pyrimidine2415453-85-7C16H21N5O
- 2-[4-(5-Cyclopropyl-1,3,4-oxadiazol-2-yl)piperidin-1-yl]-4,6-dimethylpyrimidine2741944-93-2C16H21N5O
- 4-[4-(5-Cyclopropyl-1,3,4-oxadiazol-2-yl)piperidin-1-yl]-5,6-dimethylpyrimidine2741924-41-2C16H21N5O
- 2-[4-(5-Cyclopropyl-1,3,4-oxadiazol-2-yl)piperidin-1-yl]-5-ethylpyrimidine2742036-82-2C16H21N5O
- N-(1-{2-Methylpyrazolo[1,5-a]pyrazin-4-yl}piperidin-3-yl)cyclopropanecarboxamide2742007-04-9C16H21N5O
- N-Cyclopropyl-1-{3-methyl-3H-imidazo[4,5-b]pyridin-2-yl}piperidine-4-carboxamide2741927-13-7C16H21N5O
- N-Cyclopropyl-1-{7-methyl-7H-pyrrolo[2,3-d]pyrimidin-4-yl}piperidine-4-carboxamide2742048-92-4C16H21N5O
- N-[1-(5-Methoxypyrimidin-2-yl)piperidin-4-yl]-N-methylpyridin-2-amine2742043-15-6C16H21N5O
- 2-{4-[(6-Methoxypyridin-3-yl)methyl]-3-methylpiperazin-1-yl}pyrimidine2741944-51-2C16H21N5O
- 2,5-Dimethyl-3-{[1-(6-methylpyrimidin-4-yl)piperidin-4-yl]oxy}pyrazine2741941-04-6C16H21N5O
- 4-(3-{[2-(Propan-2-yl)-1H-imidazol-1-yl]methyl}azetidin-1-yl)pyridine-2-carboxamide2741933-24-2C16H21N5O
- 1-Cyclopropanecarbonyl-4-{2,3-dimethylimidazo[1,2-b]pyridazin-6-yl}piperazine2770599-45-4C16H21N5O
- 5-Ethyl-2-{3-[(pyrazin-2-yloxy)methyl]piperidin-1-yl}pyrimidine2770581-23-0C16H21N5O
- 2,4-Dimethyl-6-{3-[(pyrazin-2-yloxy)methyl]piperidin-1-yl}pyrimidine2770590-35-5C16H21N5O
- 4,6-Dimethyl-2-{3-[(pyrazin-2-yloxy)methyl]piperidin-1-yl}pyrimidine2770588-39-9C16H21N5O
- 4-Ethyl-6-{3-[(pyrazin-2-yloxy)methyl]piperidin-1-yl}pyrimidine2770601-92-6C16H21N5O
- 4-{4-[(6-Methoxypyridin-3-yl)methyl]piperazin-1-yl}-2-methylpyrimidine2190579-78-1C16H21N5O
- 2-{4-[(6-Methoxypyridin-3-yl)methyl]piperazin-1-yl}-4-methylpyrimidine2770629-95-1C16H21N5O
- N-(1-{7H-pyrrolo[2,3-d]pyrimidin-4-yl}piperidin-4-yl)cyclobutanecarboxamide2770621-78-6C16H21N5O
- N-(1-{7-Methyl-7H-pyrrolo[2,3-d]pyrimidin-4-yl}piperidin-4-yl)cyclopropanecarboxamide2770631-66-6C16H21N5O
- 2,5-Dimethyl-3-{3-[(pyrazin-2-yloxy)methyl]piperidin-1-yl}pyrazine2770601-86-8C16H21N5O
- (1S)-1-(4-Amino-6-{[(1R,2S)-2,6-dimethyl-2,3-dihydro-1H-inden-1-yl]amino}-1,3,5-triazin-2-yl)ethanol2252488-96-1C16H21N5O
- 6-Amino-5-(3,4-dimethylphenyl)-2-(piperazin-1-yl)-3,4-dihydropyrimidin-4-one2172568-04-4C16H21N5O
- N-(1-{3-Methyl-3H-imidazo[4,5-b]pyridin-2-yl}piperidin-4-yl)cyclopropanecarboxamide2770624-71-8C16H21N5O
- N-(Propan-2-yl)-1-{pyrido[3,4-d]pyrimidin-4-yl}piperidine-4-carboxamide3030819-44-1C16H21N5O
- 1-Methyl-N-[1-(5-methylpyridin-2-yl)piperidin-3-yl]-1H-pyrazole-3-carboxamide3054619-04-1C16H21N5O
- 1-Methyl-N-[1-(4-methylpyridin-2-yl)piperidin-3-yl]-1H-pyrazole-3-carboxamide3054409-55-8C16H21N5O
- 1-Methyl-N-[1-(4-methylpyridin-2-yl)piperidin-4-yl]-1H-pyrazole-3-carboxamide3054545-71-7C16H21N5O
Frequently asked questions
What is the molar mass of C16H21N5O?
The molar mass of C16H21N5O is 299.38 g/mol, calculated from standard atomic weights for 16 carbon atoms, 21 hydrogen atoms, 5 nitrogen atoms and 1 oxygen atom. The monoisotopic mass is 299.1746 Da.
How many compounds have the formula C16H21N5O?
CompoundList lists 241 compounds with the molecular formula C16H21N5O, including N-Cycloheptyl-4-(5-methyl-1H-tetrazol-1-yl)benzamide, N-[2,4-Bis(dimethylamino)pyrimidin-5-yl]-2-methylbenzamide, N-[2,4-Bis(dimethylamino)pyrimidin-5-yl]-2-phenylacetamide. 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 C16H21N5O?
C16H21N5O 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.