Molecular formula
C20H25N5O
98 compounds have this formula on CompoundList.
- Molar mass
- 351.45g/mol
- Monoisotopic mass
- 351.2059Da
- Atoms
- 51
- Elements
- 4
- Rings plus double bonds
- 11
The formula C20H25N5O describes a molecule made of 20 carbon atoms, 25 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 × 2068.35%12.011 × 20 = 240.220 g/mol
- H Hydrogen × 257.17%1.008 × 25 = 25.200 g/mol
- N Nitrogen × 519.93%14.007 × 5 = 70.035 g/mol
- O Oxygen × 14.55%15.999 × 1 = 15.999 g/mol
Look up another formula
Compounds with the formula C20H25N5O
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 98 of 98 compounds
2-(4-Benzyl-1-piperazinyl)-N'-(1-(4-pyridinyl)ethylidene)acetohydrazide
CAS 303092-85-5C20H25N5O
4-(3-(Benzotriazol-1-yl)propyl)-1-(2-methoxyphenyl)piperazine
CAS 156007-21-5C20H25N5O
![2,5-Dimethyl-N-[2-(morpholin-4-yl)ethyl]-3-phenylpyrazolo[1,5-a]pyrimidin-7-amine chemical structure, C20H25N5O, CAS 862197-65-7](/s/NNUTXINJOJHNTF-UHFFFAOYSA-N.svg)
2,5-Dimethyl-N-[2-(morpholin-4-yl)ethyl]-3-phenylpyrazolo[1,5-a]pyrimidin-7-amine
CAS 862197-65-7C20H25N5O
3-(Benzylamino)-7-ethyl-1-(2-hydroxyethylamino)-6,8-dihydro-5H-2,7-naphthyridine-4-carbonitrile
CAS 372180-88-6C20H25N5O
![5-Methyl-N-(3-morpholin-4-ylpropyl)-3-phenylpyrazolo[1,5-a]pyrimidin-7-amine chemical structure, C20H25N5O, CAS 877781-69-6](/s/YYGYBGNUANEBEB-UHFFFAOYSA-N.svg)
5-Methyl-N-(3-morpholin-4-ylpropyl)-3-phenylpyrazolo[1,5-a]pyrimidin-7-amine
CAS 877781-69-6C20H25N5O
2-(4-Benzyl-1-piperazinyl)-N'-(1-(3-pyridinyl)ethylidene)acetohydrazide
CAS 303106-02-7C20H25N5O
![Pyrazin-2-yl(9-(pyridin-4-ylmethyl)-3,9-diazaspiro[5.5]undecan-3-yl)methanone chemical structure, C20H25N5O, CAS 959496-24-3](/s/RNZWVGRNVNUQBG-UHFFFAOYSA-N.svg)
Pyrazin-2-yl(9-(pyridin-4-ylmethyl)-3,9-diazaspiro[5.5]undecan-3-yl)methanone
CAS 959496-24-3C20H25N5O
![4-[(4,6-Dimethyl-2-pyrimidinyl)amino]-N-[2-(1H-indol-1-yl)ethyl]butanamide chemical structure, C20H25N5O, CAS 1435985-74-2](/s/ZCXXKKWJQBITOW-UHFFFAOYSA-N.svg)
4-[(4,6-Dimethyl-2-pyrimidinyl)amino]-N-[2-(1H-indol-1-yl)ethyl]butanamide
CAS 1435985-74-2C20H25N5O
![1-(2,3-Dimethylphenyl)-5-(2-(piperidin-1-yl)ethyl)-1H-pyrazolo[3,4-d]pyrimidin-4(5H)-one chemical structure, C20H25N5O, CAS 897623-21-1](/s/KZRDUAFAUOLKMN-UHFFFAOYSA-N.svg)
1-(2,3-Dimethylphenyl)-5-(2-(piperidin-1-yl)ethyl)-1H-pyrazolo[3,4-d]pyrimidin-4(5H)-one
CAS 897623-21-1C20H25N5O
5-Isopropoxy-3-(2-(4-methylpiperazin-1-yl)pyridin-4-yl)-1H-indazole
CAS 1627194-29-9C20H25N5O
![2-(4-(5-Methyl-3-(p-tolyl)pyrazolo[1,5-a]pyrimidin-7-yl)piperazin-1-yl)ethanol chemical structure, C20H25N5O, CAS 902037-82-5](/s/TZLZDCMZVRMXEA-UHFFFAOYSA-N.svg)
2-(4-(5-Methyl-3-(p-tolyl)pyrazolo[1,5-a]pyrimidin-7-yl)piperazin-1-yl)ethanol
CAS 902037-82-5C20H25N5O
![5,6-Dimethyl-N-(2-morpholin-4-ylethyl)-3-phenylpyrazolo[1,5-a]pyrimidin-7-amine chemical structure, C20H25N5O, CAS 900888-06-4](/s/WTPCJMMCHGOXJX-UHFFFAOYSA-N.svg)
5,6-Dimethyl-N-(2-morpholin-4-ylethyl)-3-phenylpyrazolo[1,5-a]pyrimidin-7-amine
CAS 900888-06-4C20H25N5O
![2-(4-(2,5-Dimethyl-3-phenylpyrazolo[1,5-a]pyrimidin-7-yl)piperazin-1-yl)ethanol chemical structure, C20H25N5O, CAS 877779-24-3](/s/AMGSSOTZVXYAGB-UHFFFAOYSA-N.svg)
2-(4-(2,5-Dimethyl-3-phenylpyrazolo[1,5-a]pyrimidin-7-yl)piperazin-1-yl)ethanol
CAS 877779-24-3C20H25N5O
![2-[4-(5,6-Dimethyl-3-phenylpyrazolo[1,5-a]pyrimidin-7-yl)piperazin-1-yl]ethanol chemical structure, C20H25N5O, CAS 890617-97-7](/s/WGUGFONMSDNVOU-UHFFFAOYSA-N.svg)
2-[4-(5,6-Dimethyl-3-phenylpyrazolo[1,5-a]pyrimidin-7-yl)piperazin-1-yl]ethanol
CAS 890617-97-7C20H25N5O
![3-(2-Methoxyphenyl)-2,5-dimethyl-7-(4-methylpiperazin-1-yl)pyrazolo[1,5-a]pyrimidine chemical structure, C20H25N5O, CAS 879566-76-4](/s/AHDCYGMYEBPWBA-UHFFFAOYSA-N.svg)
3-(2-Methoxyphenyl)-2,5-dimethyl-7-(4-methylpiperazin-1-yl)pyrazolo[1,5-a]pyrimidine
CAS 879566-76-4C20H25N5O
4,7,7-Trimethyl-2-(4-(2-pyridyl)piperazinyl)-6,7,8-trihydroquinazolin-5-one
CAS 945310-45-2C20H25N5O
![5-Methyl-3-(4-methylphenyl)-N-[2-(morpholin-4-yl)ethyl]pyrazolo[1,5-a]pyrimidin-7-amine chemical structure, C20H25N5O, CAS 900278-62-8](/s/TTXRFTWSQJSQCD-UHFFFAOYSA-N.svg)
5-Methyl-3-(4-methylphenyl)-N-[2-(morpholin-4-yl)ethyl]pyrazolo[1,5-a]pyrimidin-7-amine
CAS 900278-62-8C20H25N5O
![2-(4-Methoxyphenyl)-3,5-dimethyl-7-(4-methylpiperazin-1-yl)pyrazolo[1,5-a]pyrimidine chemical structure, C20H25N5O, CAS 1203068-10-3](/s/OHSKXORJYYAFMH-UHFFFAOYSA-N.svg)
2-(4-Methoxyphenyl)-3,5-dimethyl-7-(4-methylpiperazin-1-yl)pyrazolo[1,5-a]pyrimidine
CAS 1203068-10-3C20H25N5O
![7-(4-Ethylpiperazin-1-yl)-3-(2-methoxyphenyl)-5-methylpyrazolo[1,5-a]pyrimidine chemical structure, C20H25N5O, CAS 902325-80-8](/s/LAACRLDCJNRKQM-UHFFFAOYSA-N.svg)
7-(4-Ethylpiperazin-1-yl)-3-(2-methoxyphenyl)-5-methylpyrazolo[1,5-a]pyrimidine
CAS 902325-80-8C20H25N5O
![7-(4-Ethylpiperazin-1-yl)-2-(2-methoxyphenyl)-5-methylpyrazolo[1,5-a]pyrimidine chemical structure, C20H25N5O, CAS 933251-32-2](/s/KWUJXDVEOCETPM-UHFFFAOYSA-N.svg)
7-(4-Ethylpiperazin-1-yl)-2-(2-methoxyphenyl)-5-methylpyrazolo[1,5-a]pyrimidine
CAS 933251-32-2C20H25N5O
2-(4-Benzoylpiperazin-1-yl)-4-methyl-6-(pyrrolidin-1-yl)pyrimidine
CAS 946384-30-1C20H25N5O
![3,5-Dimethyl-N-[2-(morpholin-4-yl)ethyl]-2-phenylpyrazolo[1,5-a]pyrimidin-7-amine chemical structure, C20H25N5O, CAS 1203351-17-0](/s/HTQZZROGZDMVAZ-UHFFFAOYSA-N.svg)
3,5-Dimethyl-N-[2-(morpholin-4-yl)ethyl]-2-phenylpyrazolo[1,5-a]pyrimidin-7-amine
CAS 1203351-17-0C20H25N5O
![2-[4-(3,5-Dimethyl-2-phenylpyrazolo[1,5-a]pyrimidin-7-yl)piperazin-1-yl]ethanol chemical structure, C20H25N5O, CAS 1203293-30-4](/s/WEHVQGPTXWJWFP-UHFFFAOYSA-N.svg)
2-[4-(3,5-Dimethyl-2-phenylpyrazolo[1,5-a]pyrimidin-7-yl)piperazin-1-yl]ethanol
CAS 1203293-30-4C20H25N5O
1-(4-(2-(1H-Imidazol-1-yl)ethyl)piperazin-1-yl)-2-(1-methyl-1H-indol-3-yl)ethanone
CAS 1396784-59-0C20H25N5O
- N-[2-(4-Phenylpiperazin-1-yl)pyrimidin-5-yl]cyclopentanecarboxamide1421522-46-4C20H25N5O
- 2-(1H-Indol-3-yl)-1-(4-(2-(2-methyl-1H-imidazol-1-yl)ethyl)piperazin-1-yl)ethanone1705238-87-4C20H25N5O
- (4-Phenylpiperazin-1-yl)(1-(pyrimidin-2-yl)piperidin-3-yl)methanone605624-01-9C20H25N5O
- 2-[2,4-Di(pyrrolidin-1-yl)-9H-pyrimido[4,5-b]indol-9-yl]ethan-1-ol182313-99-1C20H25N5O
- 2-[(4-{[(5,6-Dimethylpyrimidin-4-yl)oxy]methyl}piperidin-1-yl)methyl]-1H-1,3-benzodiazole2319787-29-4C20H25N5O
- (4-(6-(Pyrrolidin-1-yl)pyrimidin-4-yl)piperazin-1-yl)(o-tolyl)methanone1210304-22-5C20H25N5O
- Phenyl(4-(6-(piperidin-1-yl)pyrimidin-4-yl)piperazin-1-yl)methanone1208741-06-3C20H25N5O
- N-{[6-(3,5-Dimethyl-1H-pyrazol-1-yl)pyridin-3-yl]methyl}-1-(prop-2-yn-1-yl)piperidine-4-carboxamide1223624-89-2C20H25N5O
- 1-{6-Cyclopropyl-1,3-dimethyl-1H-pyrazolo[3,4-b]pyridine-4-carbonyl}-4-(prop-2-yn-1-yl)-1,4-diazepane2094850-40-3C20H25N5O
- 2-Cyclopropyl-4-(4-{[(6-cyclopropylpyrimidin-4-yl)oxy]methyl}piperidin-1-yl)pyrimidine2310017-01-5C20H25N5O
- 2-(4-{[(5,6-Dimethylpyrimidin-4-yl)oxy]methyl}piperidin-1-yl)-1-methyl-1H-1,3-benzodiazole2320665-48-1C20H25N5O
- 3-Hydroxy-4-(6-((2,2,6,6-tetramethylpiperidin-4-yl)amino)pyridazin-3-yl)benzonitrile1562336-34-8C20H25N5O
- 2-Cyano-3-(1-cyclohexyl-2,5-dimethyl-1H-pyrrol-3-yl)-N-(1-methyl-1H-pyrazol-4-yl)prop-2-enamide1424622-16-1C20H25N5O
- (4-(6-(Pyrrolidin-1-yl)pyrimidin-4-yl)piperazin-1-yl)(p-tolyl)methanone1210491-99-8C20H25N5O
- 4-[(4,6-Dimethylpyrimidin-2-yl)amino]-N-[2-(1H-indol-3-yl)ethyl]butanamide1401586-07-9C20H25N5O
- N-(1-(2-Methyl-5,6,7,8-tetrahydroquinazolin-4-yl)piperidin-4-yl)isonicotinamide2034596-41-1C20H25N5O
- 2-[(1-{5H,6H,7H-Cyclopenta[d]pyrimidin-4-yl}piperidin-4-yl)methyl]-2H,3H,5H,6H,7H-cyclopenta[c]pyridazin-3-one2097860-62-1C20H25N5O
- 3-[(1-{5H,6H,7H-Cyclopenta[d]pyrimidin-4-yl}piperidin-4-yl)methyl]-6-cyclopropyl-3,4-dihydropyrimidin-4-one2175978-73-9C20H25N5O
- 2-{4-[(2-Methyl-4,5,6,7-tetrahydro-2H-indazol-3-yl)methyl]piperazin-1-yl}-1,3-benzoxazole2415463-54-4C20H25N5O
- 6-(4-Benzylpiperidin-1-yl)-9-(2-methoxyethyl)-9H-purine2640892-63-1C20H25N5O
- Methanone,(2,3-dihydro-1H-indol-7-yl)[4-[3-(ethylamino)-2-pyridinyl]-1-piperazinyl]-959317-95-4C20H25N5O
- 3-[2-(4-Methyl-1-piperazinyl)-4-pyridinyl]-5-propoxy-1H-indazole1627193-11-6C20H25N5O
- 1-{1-[(2-Isopropylpyrimidin-4-yl)methyl]piperidin-4-yl}-1,3-dihydro-2H-benzimidazol-2-one1783183-03-8C20H25N5O
- 2-(4-{[(6-tert-Butylpyridazin-3-yl)oxy]methyl}piperidin-1-yl)pyridine-4-carbonitrile2380009-45-8C20H25N5O
- 4-[(1-{2,5-Dimethylpyrazolo[1,5-a]pyrimidin-7-yl}piperidin-3-yl)methoxy]-2-methylpyridine2380042-73-7C20H25N5O
- 3-[(1-{5H,6H,7H-Cyclopenta[d]pyrimidin-4-yl}piperidin-4-yl)methoxy]-6-cyclopropylpyridazine2319855-37-1C20H25N5O
- 6-(4-{[(6-tert-Butylpyridazin-3-yl)oxy]methyl}piperidin-1-yl)pyridine-3-carbonitrile2310223-28-8C20H25N5O
- 4-[4-({5H,6H,7H-Cyclopenta[c]pyridazin-3-yloxy}methyl)piperidin-1-yl]-6-cyclopropylpyrimidine2320383-11-5C20H25N5O
- 3-[(4-{[(3-Methoxypyrazin-2-yl)(methyl)amino]methyl}piperidin-1-yl)methyl]benzonitrile2380181-79-1C20H25N5O
- 2-Methyl-3-({1-[2-(1H-pyrazol-1-yl)ethyl]piperidin-4-yl}methyl)-3,4-dihydroquinazolin-4-one2415526-69-9C20H25N5O
- 3-tert-Butyl-6-[5-(pyridine-4-carbonyl)-octahydropyrrolo[3,4-c]pyrrol-2-yl]pyridazine2415538-51-9C20H25N5O
- 3-tert-Butyl-6-[5-(pyridine-2-carbonyl)-octahydropyrrolo[3,4-c]pyrrol-2-yl]pyridazine2415621-48-4C20H25N5O
- 3-tert-Butyl-6-[5-(pyridine-3-carbonyl)-octahydropyrrolo[3,4-c]pyrrol-2-yl]pyridazine2415502-77-9C20H25N5O
- 5-(6-Methylpyridazin-3-yl)-N-(2-phenylethyl)-octahydropyrrolo[3,4-c]pyrrole-2-carboxamide2415465-36-8C20H25N5O
- (9S)-9-Azido-6'-methoxy-8alpha-10,11-dihydrocinchonan1206718-86-6C20H25N5O
- N-(1-Cyanocyclohexyl)-4-methyl-1,3,8-triazatricyclo[7.5.0.0,2,7]tetradeca-2(7),3,5,8-tetraene-6-carboxamide2323711-33-5C20H25N5O
- Piperazine, 1-phenyl-4-[(1-pyrazinyl-4-piperidinyl)carbonyl]-605639-59-6C20H25N5O
- N-[1-[(5,6-Dimethyl-2-phenyl-7H-pyrrolo[2,3-d]pyrimidin-4-yl)amino]butan-2-yl]acetamide251946-55-1C20H25N5O
- 1-(1-(3,4-Diaminophenethyl)piperidin-4-yl)-1H-benzo[d]imidazol-2(3H)-one756798-81-9C20H25N5O
- 1-Piperazineacetamide, 4-ethyl-N-[4-(2-phenyldiazenyl)phenyl]-1627358-30-8C20H25N5O
- N-{2-[(3-Cyano-8-methylquinolin-2-yl)amino]ethyl}-N-cyclohexylurea606104-86-3C20H25N5O
- N-[3-[(5,6-Dimethyl-2-phenyl-7H-pyrrolo[2,3-d]pyrimidin-4-yl)amino]propyl]propanamide251946-29-9C20H25N5O
- N-[2-[(5,6-Dimethyl-2-phenyl-7H-pyrrolo[2,3-d]pyrimidin-4-yl)amino]ethyl]-2-methylpropanamide251946-28-8C20H25N5O
- N-[1-[(5,6-Dimethyl-2-phenyl-7H-pyrrolo[2,3-d]pyrimidin-4-yl)amino]-2-methylpropan-2-yl]acetamide251946-45-9C20H25N5O
- 4-[Cyclopropyl(pyrimidin-4-yl)amino]-N-(2-methylphenyl)piperidine-1-carboxamide2415584-72-2C20H25N5O
- N-Benzyl-4-[cyclopropyl(pyrimidin-4-yl)amino]piperidine-1-carboxamide2415519-38-7C20H25N5O
- 4-(3-{[(6-Cyclopropylpyridazin-3-yl)oxy]methyl}pyrrolidin-1-yl)-5,6,7,8-tetrahydroquinazoline2549029-42-5C20H25N5O
- 3-Cyclopropyl-6-[(1-{2-methyl-5H,6H,7H-cyclopenta[d]pyrimidin-4-yl}pyrrolidin-3-yl)methoxy]pyridazine2549032-29-1C20H25N5O
- 2-tert-Butyl-1-[1-(1,3-dimethyl-1H-pyrazole-5-carbonyl)azetidin-3-yl]-1H-1,3-benzodiazole2548978-93-2C20H25N5O
- 4-[(1-{2,5-Dimethylpyrazolo[1,5-a]pyrimidin-7-yl}piperidin-4-yl)methoxy]-3-methylpyridine2640979-38-8C20H25N5O
- 5-(6-Phenylpyridazin-3-yl)-N-(propan-2-yl)-octahydropyrrolo[3,4-c]pyrrole-2-carboxamide2415538-40-6C20H25N5O
- 4-[(4-{[(3-Methoxypyrazin-2-yl)(methyl)amino]methyl}piperidin-1-yl)methyl]benzonitrile2415455-42-2C20H25N5O
- 2-[4-(4-Cyanoquinolin-2-yl)piperazin-1-yl]-N-(propan-2-yl)propanamide2741889-07-4C20H25N5O
- 4-({4-[1-(2-Methylpropyl)-6-oxo-1,6-dihydropyridazin-3-yl]piperazin-1-yl}methyl)benzonitrile2770621-66-2C20H25N5O
- 1-{2-Cyclopropylimidazo[1,2-a]pyridin-6-yl}-4-[(3,5-dimethyl-1,2-oxazol-4-yl)methyl]piperazine3030783-21-9C20H25N5O
- 3-{[4-(2-tert-Butylpyrimidin-4-yl)piperazin-1-yl]methyl}-1,2-benzoxazole3030801-37-4C20H25N5O
- N-[4-({3-[Cyclopropyl(pyrimidin-4-yl)amino]pyrrolidin-1-yl}methyl)phenyl]acetamide3054582-82-7C20H25N5O
- N-{1-[(1H-indol-5-yl)methyl]piperidin-3-yl}-4-methoxy-N-methylpyrimidin-2-amine3054591-76-0C20H25N5O
- N-{1-[(1H-indol-5-yl)methyl]piperidin-3-yl}-6-methoxy-N-methylpyrimidin-4-amine3054547-02-0C20H25N5O
- 2-[3-(2,6-Dimethylpyrimidin-4-yl)-3,6-diazabicyclo[3.1.1]heptan-6-yl]-N-(2-methylphenyl)acetamide3054595-40-0C20H25N5O
- 2-[3-(2,6-Dimethylpyrimidin-4-yl)-3,6-diazabicyclo[3.1.1]heptan-6-yl]-N-(4-methylphenyl)acetamide3054638-67-1C20H25N5O
- 2-[3-(2,6-Dimethylpyrimidin-4-yl)-3,6-diazabicyclo[3.1.1]heptan-6-yl]-N-(3-methylphenyl)acetamide3054427-31-2C20H25N5O
- N-Benzyl-2-[3-(2,6-dimethylpyrimidin-4-yl)-3,6-diazabicyclo[3.1.1]heptan-6-yl]acetamide3054554-97-8C20H25N5O
- 4-{Octahydrocyclopenta[c]pyrrole-2-carbonyl}-1-{pyrido[3,4-d]pyrimidin-4-yl}piperidine3054614-16-0C20H25N5O
- N,N-Dimethyl-6-[3-(1,2,3,4-tetrahydroisoquinoline-2-carbonyl)pyrrolidin-1-yl]pyrimidin-4-amine3054634-92-0C20H25N5O
- N,N-Dimethyl-2-[3-(1,2,3,4-tetrahydroisoquinoline-2-carbonyl)pyrrolidin-1-yl]pyrimidin-4-amine3054601-71-4C20H25N5O
- N-(2,5-Dimethylphenyl)-2-[3-(6-methylpyrimidin-4-yl)-3,6-diazabicyclo[3.1.1]heptan-6-yl]acetamide3054543-45-9C20H25N5O
- N-(2,3-Dimethylphenyl)-2-[3-(6-methylpyrimidin-4-yl)-3,6-diazabicyclo[3.1.1]heptan-6-yl]acetamide3054552-24-5C20H25N5O
- N-(4-Ethylphenyl)-2-[3-(6-methylpyrimidin-4-yl)-3,6-diazabicyclo[3.1.1]heptan-6-yl]acetamide3054550-49-8C20H25N5O
- N-[(4-Methylphenyl)methyl]-2-[3-(6-methylpyrimidin-4-yl)-3,6-diazabicyclo[3.1.1]heptan-6-yl]acetamide3054543-64-2C20H25N5O
- 2-[3-(5,6-Dimethylpyrimidin-4-yl)-3,6-diazabicyclo[3.1.1]heptan-6-yl]-N-(2-methylphenyl)acetamide3082121-80-7C20H25N5O
- N-{1-[(3-Cyanophenyl)methyl]piperidin-4-yl}-N,1,5-trimethyl-1H-pyrazole-3-carboxamide3054636-53-9C20H25N5O
- 1-(1-(((1R,2R)-2-(1-Methyl-1H-pyrazol-5-yl)cyclopropyl)methyl)piperidin-4-yl)-1H-benzo[d]imidazol-2(3H)-one2956333-78-9C20H25N5O
- N-(3,5-Dimethylphenyl)-2-[3-(2-methylpyrimidin-4-yl)-3,6-diazabicyclo[3.1.1]heptan-6-yl]acetamide3085443-27-9C20H25N5O
Frequently asked questions
What is the molar mass of C20H25N5O?
The molar mass of C20H25N5O is 351.45 g/mol, calculated from standard atomic weights for 20 carbon atoms, 25 hydrogen atoms, 5 nitrogen atoms and 1 oxygen atom. The monoisotopic mass is 351.2059 Da.
How many compounds have the formula C20H25N5O?
CompoundList lists 98 compounds with the molecular formula C20H25N5O, including 2-(4-Benzyl-1-piperazinyl)-N'-(1-(4-pyridinyl)ethylidene)acetohydrazide, 4-(3-(Benzotriazol-1-yl)propyl)-1-(2-methoxyphenyl)piperazine, 2,5-Dimethyl-N-[2-(morpholin-4-yl)ethyl]-3-phenylpyrazolo[1,5-a]pyrimidin-7-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 C20H25N5O?
C20H25N5O has a degree of unsaturation of 11. 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.