Molecular formula
C20H21N5O2
211 compounds have this formula on CompoundList.
- Molar mass
- 363.42g/mol
- Monoisotopic mass
- 363.1695Da
- Atoms
- 48
- Elements
- 4
- Rings plus double bonds
- 13
The formula C20H21N5O2 describes a molecule made of 20 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 × 2066.10%12.011 × 20 = 240.220 g/mol
- H Hydrogen × 215.82%1.008 × 21 = 21.168 g/mol
- N Nitrogen × 519.27%14.007 × 5 = 70.035 g/mol
- O Oxygen × 28.80%15.999 × 2 = 31.998 g/mol
Look up another formula
Compounds with the formula C20H21N5O2
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 101 to 200 of 211 compounds
![8-Allyl-1,7-dimethyl-3-phenethyl-1H-imidazo[2,1-f]purine-2,4(3H,8H)-dione chemical structure, C20H21N5O2, CAS 887464-68-8](/s/RRKPIHRYZUTCLP-UHFFFAOYSA-N.svg)
8-Allyl-1,7-dimethyl-3-phenethyl-1H-imidazo[2,1-f]purine-2,4(3H,8H)-dione
CAS 887464-68-8C20H21N5O2
![3-Allyl-1,7-dimethyl-8-(1-phenylethyl)-1H-imidazo[2,1-f]purine-2,4(3H,8H)-dione chemical structure, C20H21N5O2, CAS 915930-16-4](/s/FKZLLRZRUUUBJK-UHFFFAOYSA-N.svg)
3-Allyl-1,7-dimethyl-8-(1-phenylethyl)-1H-imidazo[2,1-f]purine-2,4(3H,8H)-dione
CAS 915930-16-4C20H21N5O2
![7-Butyl-2-(methoxymethyl)-3-phenylpyrazolo[5,1-c]pyrido[4,3-e][1,2,4]triazin-6(7H)-one chemical structure, C20H21N5O2, CAS 931974-15-1](/s/JUHRVSIEJQLNMF-UHFFFAOYSA-N.svg)
7-Butyl-2-(methoxymethyl)-3-phenylpyrazolo[5,1-c]pyrido[4,3-e][1,2,4]triazin-6(7H)-one
CAS 931974-15-1C20H21N5O2
![N-{2-[2-(3,5-Dimethyl-1H-pyrazol-1-yl)ethyl]-1-methyl-1H-benzimidazol-5-yl}furan-2-carboxamide chemical structure, C20H21N5O2, CAS 955574-69-3](/s/OBPYVLQUDLCODT-UHFFFAOYSA-N.svg)
N-{2-[2-(3,5-Dimethyl-1H-pyrazol-1-yl)ethyl]-1-methyl-1H-benzimidazol-5-yl}furan-2-carboxamide
CAS 955574-69-3C20H21N5O2
![4-Cyclopropyl-6-(2-oxo-2-(pyrrolidin-1-yl)ethyl)-1-phenyl-1H-pyrazolo[3,4-d]pyridazin-7(6H)-one chemical structure, C20H21N5O2, CAS 1105238-85-4](/s/KMKRVQOSNIHYRK-UHFFFAOYSA-N.svg)
4-Cyclopropyl-6-(2-oxo-2-(pyrrolidin-1-yl)ethyl)-1-phenyl-1H-pyrazolo[3,4-d]pyridazin-7(6H)-one
CAS 1105238-85-4C20H21N5O2
1-(4-((6-Methoxy-2-methylpyrimidin-4-yl)amino)phenyl)-3-(p-tolyl)urea
CAS 946234-63-5C20H21N5O2
1-(4-((6-Ethoxy-2-methylpyrimidin-4-yl)amino)phenyl)-3-phenylurea
CAS 946303-47-5C20H21N5O2
N-(4-Phenoxyphenyl)-1-(1H-tetrazol-1-yl)cyclohexanecarboxamide
CAS 1212212-74-2C20H21N5O2
3-Methyl-1-(2-oxo-2-(4-(pyridin-2-yl)piperazin-1-yl)ethyl)quinoxalin-2(1H)-one
CAS 1114612-92-8C20H21N5O2
![4-(4-Ethoxyphenyl)-1-[(4-methylphenyl)methyl]-3-(1H-1,2,3,4-tetrazol-1-yl)azetidin-2-one chemical structure, C20H21N5O2, CAS 1241316-58-4](/s/AMMXYAHLLNDLEL-UHFFFAOYSA-N.svg)
4-(4-Ethoxyphenyl)-1-[(4-methylphenyl)methyl]-3-(1H-1,2,3,4-tetrazol-1-yl)azetidin-2-one
CAS 1241316-58-4C20H21N5O2
2-(2-(3,4-Dihydroisoquinolin-2(1H)-yl)-2-oxoethyl)-6-(3,5-dimethyl-1H-pyrazol-1-yl)pyridazin-3(2H)-one
CAS 1219564-69-8C20H21N5O2
(6-(1H-Pyrazol-1-yl)pyridin-3-yl)(4-(4-methoxyphenyl)piperazin-1-yl)methanone
CAS 1251593-45-9C20H21N5O2
N1-(2-cyanophenyl)-N2-((1-(pyridin-2-yl)piperidin-4-yl)methyl)oxalamide
CAS 1235373-08-6C20H21N5O2
![N-((1H-Benzo[d]imidazol-2-yl)methyl)-2-(2-oxo-3-(p-tolyl)imidazolidin-1-yl)acetamide chemical structure, C20H21N5O2, CAS 1324347-25-2](/s/IHXSACBZSCCQMO-UHFFFAOYSA-N.svg)
N-((1H-Benzo[d]imidazol-2-yl)methyl)-2-(2-oxo-3-(p-tolyl)imidazolidin-1-yl)acetamide
CAS 1324347-25-2C20H21N5O2
methanone chemical structure, C20H21N5O2, CAS 1232797-55-5](/s/JWHYTUKOBIFVMJ-UHFFFAOYSA-N.svg)
[3,4-Dimethyl-2-(1H-tetrazol-1-yl)phenyl](2-phenylmorpholin-4-yl)methanone
CAS 1232797-55-5C20H21N5O2
N-Cyclopentyl-1-(3-methoxyphenyl)-5-(pyridin-4-yl)-1H-1,2,3-triazole-4-carboxamide
CAS 1326896-32-5C20H21N5O2
![N-([1,2,4]Triazolo[4,3-a]pyridin-3-ylmethyl)-1-isopropyl-5-methoxy-1H-indole-3-carboxamide chemical structure, C20H21N5O2, CAS 1401537-57-2](/s/SGWQHSHNSPGBFJ-UHFFFAOYSA-N.svg)
N-([1,2,4]Triazolo[4,3-a]pyridin-3-ylmethyl)-1-isopropyl-5-methoxy-1H-indole-3-carboxamide
CAS 1401537-57-2C20H21N5O2
![2-[1-(2-Methoxyethyl)-1H-indol-3-yl]-N-([1,2,4]triazolo[4,3-a]pyridin-3-ylmethyl)acetamide chemical structure, C20H21N5O2, CAS 1435981-27-3](/s/QATQEBJSCYJVBG-UHFFFAOYSA-N.svg)
2-[1-(2-Methoxyethyl)-1H-indol-3-yl]-N-([1,2,4]triazolo[4,3-a]pyridin-3-ylmethyl)acetamide
CAS 1435981-27-3C20H21N5O2
(4-((1H-Imidazol-1-yl)methyl)phenyl)(4-(pyridazin-3-yloxy)piperidin-1-yl)methanone
CAS 1797957-71-1C20H21N5O2
![N-{2-[5-Cyclopropyl-3-(pyridin-2-yl)-1H-pyrazol-1-yl]ethyl}-1-methyl-2-oxo-1,2-dihydropyridine-3-carboxamide chemical structure, C20H21N5O2, CAS 1797306-81-0](/s/HVDAESBWSKYQCM-UHFFFAOYSA-N.svg)
N-{2-[5-Cyclopropyl-3-(pyridin-2-yl)-1H-pyrazol-1-yl]ethyl}-1-methyl-2-oxo-1,2-dihydropyridine-3-carboxamide
CAS 1797306-81-0C20H21N5O2
![2-(1H-Indol-1-yl)-1-(2-morpholino-5H-pyrrolo[3,4-d]pyrimidin-6(7H)-yl)ethanone chemical structure, C20H21N5O2, CAS 2034224-20-7](/s/CZBYEMJBBCWLGQ-UHFFFAOYSA-N.svg)
2-(1H-Indol-1-yl)-1-(2-morpholino-5H-pyrrolo[3,4-d]pyrimidin-6(7H)-yl)ethanone
CAS 2034224-20-7C20H21N5O2
(3-((3-Cyclopropyl-1,2,4-oxadiazol-5-yl)methyl)piperidin-1-yl)(quinoxalin-2-yl)methanone
CAS 1705438-12-5C20H21N5O2
Isobutyl 4-phenyl-6-(phenyl-amino)-1,3,5-triazin-2-ylcarbamate
CAS 1446504-01-3C20H21N5O2
(4-((1H-Imidazol-1-yl)methyl)phenyl)(3-(pyrazin-2-yloxy)piperidin-1-yl)methanone
CAS 2034251-78-8C20H21N5O2
- 2-(1H-1,2,3-Benzotriazol-1-yl)-1-[3-(pyridin-2-yloxy)-8-azabicyclo[3.2.1]octan-8-yl]ethan-1-one2108372-31-0C20H21N5O2
- 4-Phenyl-N-((1-(pyridin-3-yl)-1H-1,2,3-triazol-4-yl)methyl)tetrahydro-2H-pyran-4-carboxamide2034311-60-7C20H21N5O2
- (3-((2,6-Dimethylpyrimidin-4-yl)oxy)piperidin-1-yl)(quinoxalin-2-yl)methanone2034399-87-4C20H21N5O2
- (4-((1H-Imidazol-1-yl)methyl)phenyl)(3-(pyrimidin-2-yloxy)piperidin-1-yl)methanone2034434-58-5C20H21N5O2
- 4-((1H-Imidazol-1-yl)methyl)-N-(2-(3-cyclopropyl-6-oxopyridazin-1(6H)-yl)ethyl)benzamide2034303-83-6C20H21N5O2
- 1-(2-Methoxyphenyl)-N-((3-(1-methyl-1H-pyrazol-4-yl)pyrazin-2-yl)methyl)cyclopropanecarboxamide2034614-08-7C20H21N5O2
- (3-((4,6-Dimethylpyrimidin-2-yl)oxy)piperidin-1-yl)(quinoxalin-6-yl)methanone2097923-02-7C20H21N5O2
- 4-((1H-Imidazol-1-yl)methyl)-N-(2-(3-oxo-3,5,6,7-tetrahydro-2H-cyclopenta[c]pyridazin-2-yl)ethyl)benzamide2097901-83-0C20H21N5O2
- 6-Cyclopropyl-2-{[1-(1-methyl-1H-indazole-3-carbonyl)azetidin-3-yl]methyl}-2,3-dihydropyridazin-3-one2194847-70-4C20H21N5O2
- 3-{2-Oxo-2-[3-(1H-pyrazol-1-yl)-8-azabicyclo[3.2.1]octan-8-yl]ethyl}-3,4-dihydroquinazolin-4-one2310128-72-2C20H21N5O2
- N-(3-Methyl-1-(6-oxo-4-propyl-1,6-dihydropyrimidin-2-yl)-1H-pyrazol-5-yl)cinnamamide1002932-40-2C20H21N5O2
- 7-(4-Methoxyphenyl)-5-methyl-N-phenyl-4,5,6,7-tetrahydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide1212264-62-4C20H21N5O2
- N-(3-Cyclopropyl-1-(4,5-dimethyl-6-oxo-1,6-dihydropyrimidin-2-yl)-1H-pyrazol-5-yl)-3-methylbenzamide1203010-23-4C20H21N5O2
- N-(3-Cyclopropyl-1-(4,5-dimethyl-6-oxo-1,6-dihydropyrimidin-2-yl)-1H-pyrazol-5-yl)-2-phenylacetamide1203254-32-3C20H21N5O2
- N-(3-Methyl-1-(4-oxo-4,5,6,7-tetrahydro-3H-cyclopenta[d]pyrimidin-2-yl)-1H-pyrazol-5-yl)-3-phenylpropanamide1006271-23-3C20H21N5O2
- 1-[1-(6-Methoxy-3-pyridyl)-5-phenylpyrazole-3-carbonyl]piperazine741284-18-4C20H21N5O2
- 4-Methoxy-N-[2-methyl-1-([1,2,4]triazolo[4,3-a]pyridin-3-yl)propyl]-1H-indole-2-carboxamide1040715-92-1C20H21N5O2
- 7-Isopentyl-9-(4-methoxyphenyl)pyrido[4,3-d][1,2,4]triazolo[1,5-a]pyrimidin-8(7H)-one1158206-95-1C20H21N5O2
- N-(2,3-Dihydro-1H-inden-2-yl)-2-(3-(3,5-dimethyl-1H-pyrazol-1-yl)-6-oxopyridazin-1(6H)-yl)acetamide1282099-78-8C20H21N5O2
- tert-Butyl 4-phenyl-6-(phenylamino)-1,3,5-triazin-2-ylcarbamate1446504-19-3C20H21N5O2
- 5-Methoxy-1-methyl-N-[3-([1,2,4]triazolo[4,3-a]pyridin-3-yl)propyl]-1H-indole-3-carboxamide1401560-90-4C20H21N5O2
- 1-(2-Methoxyethyl)-N-[2-([1,2,4]triazolo[4,3-a]pyridin-3-yl)ethyl]-1H-indole-4-carboxamide1435995-21-3C20H21N5O2
- 1-(2-Methoxyethyl)-N-[2-([1,2,4]triazolo[4,3-a]pyridin-3-yl)ethyl]-1H-indole-5-carboxamide1435995-68-8C20H21N5O2
- 1-(2-Methoxyethyl)-N-[2-([1,2,4]triazolo[4,3-a]pyridin-3-yl)ethyl]-1H-indole-2-carboxamide1435906-83-4C20H21N5O2
- N-(7-Methoxyquinolin-3-yl)-1-(pyrimidin-2-yl)piperidine-3-carboxamide1630899-59-0C20H21N5O2
- 6-Methyl-2-{[1-(quinoxaline-6-carbonyl)piperidin-4-yl]methyl}-2,3-dihydropyridazin-3-one2097928-00-0C20H21N5O2
- 6-Methyl-2-{[1-(quinoxaline-2-carbonyl)piperidin-4-yl]methyl}-2,3-dihydropyridazin-3-one2195952-63-5C20H21N5O2
- 2-{3-[(3-Cyclopropyl-6-oxo-1,6-dihydropyridazin-1-yl)methyl]azetidin-1-yl}-5H,7H,8H-pyrano[4,3-b]pyridine-3-carbonitrile2199814-03-2C20H21N5O2
- 2-[(1-{4-Oxo-4H-pyrido[1,2-a]pyrimidin-2-yl}azetidin-3-yl)methyl]-2,3,5,6,7,8-hexahydrocinnolin-3-one2176201-54-8C20H21N5O2
- N-(1-(5-Ethyl-4-methyl-6-oxo-1,6-dihydropyrimidin-2-yl)-3-methyl-1H-pyrazol-5-yl)cinnamamide1001805-86-2C20H21N5O2
- N-(3-Cyclopropyl-1-(6-oxo-4-phenyl-1,6-dihydropyrimidin-2-yl)-1H-pyrazol-5-yl)isobutyramide1206996-87-3C20H21N5O2
- 2-[(1-Benzoylazetidin-3-yl)methyl]-6-(3,5-dimethyl-1H-pyrazol-1-yl)-2,3-dihydropyridazin-3-one2320924-43-2C20H21N5O2
- 1,3-Dimethyl-6-phenyl-N-[2-(prop-2-enoylamino)ethyl]pyrazolo[5,4-b]pyridine-4-carboxamide2200764-48-1C20H21N5O2
- 3-{[1-(1-Methyl-1H-imidazole-5-carbonyl)pyrrolidin-3-yl]methoxy}-6-phenylpyridazine2548981-97-9C20H21N5O2
- 3-{[1-(1-Methyl-1H-pyrazole-5-carbonyl)pyrrolidin-3-yl]methoxy}-6-phenylpyridazine2549022-53-7C20H21N5O2
- 4-[[1-[(1-Methylpyrazol-4-yl)methyl]aziridin-2-yl]methoxy]-N-pyridin-2-ylbenzamide2418661-72-8C20H21N5O2
- N-(4-(6-(4-Methylpiperazin-1-yl)pyridazin-3-yl)phenyl)furan-2-carboxamide941945-99-9C20H21N5O2
- 4-(2-Amino-4-isopropoxy-pyrido[3,2-d]pyrimidin-6-yl)-N-cyclopropyl-benzamide1036386-37-4C20H21N5O2
- 1,2,4-Oxadiazole-5-propanamide, 3-(1-methylethyl)-N-[4-(2-phenyldiazenyl)phenyl]-1390897-54-7C20H21N5O2
- 4-[(2-Methylpyridin-3-yl)oxymethyl]-6-morpholin-4-yl-2-pyridin-2-yl-pyrimidine944057-80-1C20H21N5O2
- 4-[(2,2-Dimethyl-3-oxocyclopentyl)amino]-6-(4-pyridinyl)pyrrolo[1,2-b]pyridazine-3-carboxamide1400686-36-3C20H21N5O2
- 2-[(1-Benzoylpiperidin-4-yl)methyl]-6-(1H-pyrazol-1-yl)-2,3-dihydropyridazin-3-one2380067-77-4C20H21N5O2
- 2-({1-[3-(1H-Pyrazol-1-yl)benzoyl]piperidin-3-yl}methoxy)pyrimidine2380044-83-5C20H21N5O2
- 6-(3-{[(5-Methylpyrimidin-2-yl)oxy]methyl}piperidine-1-carbonyl)quinoxaline2379970-61-1C20H21N5O2
- 2-({1-[3-(1H-Pyrazol-1-yl)benzoyl]piperidin-4-yl}methoxy)pyrimidine2379985-11-0C20H21N5O2
- 2-[1-(4-Methoxypyrimidin-2-yl)piperidin-4-yl]-6-phenyl-2,3-dihydropyridazin-3-one2379971-04-5C20H21N5O2
- 2-[1-(1-Methyl-1H-pyrazole-5-carbonyl)piperidin-4-yl]-6-phenyl-2,3-dihydropyridazin-3-one2380042-51-1C20H21N5O2
- 2-[1-(1-Methyl-1H-pyrazole-4-carbonyl)piperidin-4-yl]-6-phenyl-2,3-dihydropyridazin-3-one2380040-54-8C20H21N5O2
- 2-[1-(1-Methyl-1H-imidazole-5-carbonyl)piperidin-4-yl]-6-phenyl-2,3-dihydropyridazin-3-one2379952-67-5C20H21N5O2
- 2-[1-(1-Methyl-1H-pyrazole-3-carbonyl)piperidin-4-yl]-6-phenyl-2,3-dihydropyridazin-3-one2379978-29-5C20H21N5O2
- 6-Phenyl-2-{1-[2-(1H-pyrazol-1-yl)acetyl]piperidin-4-yl}-2,3-dihydropyridazin-3-one2379972-07-1C20H21N5O2
- 2-(3-{[(5-Methylpyrimidin-2-yl)oxy]methyl}piperidine-1-carbonyl)quinoxaline2380067-34-3C20H21N5O2
- 4-Phenyl-6-{[1-(1H-pyrazole-4-carbonyl)piperidin-4-yl]methoxy}pyrimidine2379977-24-7C20H21N5O2
- 6-Cyclopropyl-2-(1-{4-oxo-4H-pyrido[1,2-a]pyrimidin-2-yl}piperidin-4-yl)-2,3-dihydropyridazin-3-one2320582-30-5C20H21N5O2
- 2-(4-{[(6-Methylpyridazin-3-yl)oxy]methyl}piperidine-1-carbonyl)quinoxaline2319633-83-3C20H21N5O2
- 3-{[1-(5-Methylpyrazine-2-carbonyl)piperidin-4-yl]methyl}-3,4-dihydroquinazolin-4-one2380088-02-6C20H21N5O2
- 2-[1-(4,6-Dimethylpyrimidin-2-yl)azetidin-3-yl]-6-(2-methoxyphenyl)-2,3-dihydropyridazin-3-one2380169-07-1C20H21N5O2
- N-(1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)-5,6,7,8-tetrahydrocinnoline-3-carboxamide2415620-58-3C20H21N5O2
- 2-Cyclopropyl-N-(1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)-6-methylpyrimidine-4-carboxamide2415456-34-5C20H21N5O2
- 4-{[1-(Quinazolin-4-yl)piperidin-4-yl]methoxy}pyridine-2-carboxamide2877639-87-5C20H21N5O2
- 4-{[1-(Quinoxalin-2-yl)piperidin-4-yl]methoxy}pyridine-2-carboxamide2877636-30-9C20H21N5O2
- 4-Acetyl-N-[3-(6,7,8,9-tetrahydro-5H-[1,2,4]triazolo[4,3-a]azepin-3-yl)phenyl]-1H-pyrrole-2-carboxamide924467-34-5C20H21N5O2
- Benzyl 4-(1-phenyltetrazol-5-yl)piperidine-1-carboxylate503149-20-0C20H21N5O2
- 3-[[4-[(3-Hydroxy-2-phenylpropyl)amino]pyrimidin-2-yl]amino]benzamide1009329-83-2C20H21N5O2
- 2,2'-(1H-Pyrrole-2,5-diyl)bis{N-[(pyridin-2-yl)methyl]acetamide}817637-03-9C20H21N5O2
- N-(4-Anilino-6-phenyl-1,3,5-triazin-2-yl)-2-propan-2-yloxyacetamide1446504-28-4C20H21N5O2
- N-[5-(1H-Imidazol-2-yl)-2-methylphenyl]-6-morpholin-4-ylpyridine-3-carboxamide1126367-10-9C20H21N5O2
- 2-(3-{[(6-Cyclopropylpyridazin-3-yl)oxy]methyl}pyrrolidin-1-yl)-4H-pyrido[1,2-a]pyrimidin-4-one2548980-31-8C20H21N5O2
- 5-Methoxy-2-(3-{[(6-phenylpyridazin-3-yl)oxy]methyl}pyrrolidin-1-yl)pyrimidine2548990-27-6C20H21N5O2
- 3-{[1-(1-Methyl-1H-pyrazole-4-carbonyl)pyrrolidin-3-yl]methoxy}-6-phenylpyridazine2549016-31-9C20H21N5O2
- 2-(1-{5H,6H,7H-Pyrazolo[3,2-b][1,3]oxazine-3-carbonyl}piperidin-4-yl)-1,8-naphthyridine2640950-91-8C20H21N5O2
- 2-(1-{5H,6H,7H-Pyrazolo[3,2-b][1,3]oxazine-2-carbonyl}piperidin-4-yl)-1,8-naphthyridine2640945-21-5C20H21N5O2
- 6-Methyl-3-{2-[4-(1,8-naphthyridin-2-yl)piperidin-1-yl]-2-oxoethyl}-3,4-dihydropyrimidin-4-one2640966-62-5C20H21N5O2
- 2-Methoxy-1-{4-[6-(pyrimidin-5-yl)-1,8-naphthyridin-2-yl]piperidin-1-yl}ethan-1-one2741937-23-3C20H21N5O2
- 4-(5,7-Dimethyl-1,8-naphthyridin-2-yl)-1-(2-methoxypyridin-4-yl)piperazin-2-one2742033-19-6C20H21N5O2
- 1-Methyl-4-[7-(oxolane-3-carbonyl)-6H,7H,8H,9H-pyrido[2,3-b]1,6-naphthyridin-3-yl]-1H-pyrazole2770619-62-8C20H21N5O2
Frequently asked questions
What is the molar mass of C20H21N5O2?
The molar mass of C20H21N5O2 is 363.42 g/mol, calculated from standard atomic weights for 20 carbon atoms, 21 hydrogen atoms, 5 nitrogen atoms and 2 oxygen atoms. The monoisotopic mass is 363.1695 Da.
How many compounds have the formula C20H21N5O2?
CompoundList lists 211 compounds with the molecular formula C20H21N5O2, including 8-Allyl-1,7-dimethyl-3-phenethyl-1H-imidazo[2,1-f]purine-2,4(3H,8H)-dione, 3-Allyl-1,7-dimethyl-8-(1-phenylethyl)-1H-imidazo[2,1-f]purine-2,4(3H,8H)-dione, 7-Butyl-2-(methoxymethyl)-3-phenylpyrazolo[5,1-c]pyrido[4,3-e][1,2,4]triazin-6(7H)-one. 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 C20H21N5O2?
C20H21N5O2 has a degree of unsaturation of 13. 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.