Molecular formula
C21H26N4O
97 compounds have this formula on CompoundList.
- Molar mass
- 350.47g/mol
- Monoisotopic mass
- 350.2107Da
- Atoms
- 52
- Elements
- 4
- Rings plus double bonds
- 11
The formula C21H26N4O describes a molecule made of 21 carbon atoms, 26 hydrogen atoms, 4 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 × 2171.97%12.011 × 21 = 252.231 g/mol
- H Hydrogen × 267.48%1.008 × 26 = 26.208 g/mol
- N Nitrogen × 415.99%14.007 × 4 = 56.028 g/mol
- O Oxygen × 14.57%15.999 × 1 = 15.999 g/mol
Look up another formula
Compounds with the formula C21H26N4O
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 97 of 97 compounds
![4-(4-(Dimethylamino)phenyl)-3,7,7-trimethyl-6,7,8,9-tetrahydro-1H-pyrazolo[3,4-b]quinolin-5(4H)-one chemical structure, C21H26N4O, CAS 565201-72-1](/s/QDFUONQEBFMDOP-UHFFFAOYSA-N.svg)
4-(4-(Dimethylamino)phenyl)-3,7,7-trimethyl-6,7,8,9-tetrahydro-1H-pyrazolo[3,4-b]quinolin-5(4H)-one
CAS 565201-72-1C21H26N4O
2-(4-Benzylpiperazin-1-yl)-4,7-dimethyl-7,8-dihydroquinazolin-5(6H)-one
CAS 777866-71-4C21H26N4O
![1-[(1-Benzyl-4,5-dimethyl-2-pyrrol-1-ylpyrrol-3-yl)methyl]-3-ethylurea chemical structure, C21H26N4O, CAS 478077-19-9](/s/NTSQBBFQTCNQDM-UHFFFAOYSA-N.svg)
1-[(1-Benzyl-4,5-dimethyl-2-pyrrol-1-ylpyrrol-3-yl)methyl]-3-ethylurea
CAS 478077-19-9C21H26N4O
![4-(5-(tert-Butyl)-2-methyl-3-phenylpyrazolo[1,5-a]pyrimidin-7-yl)morpholine chemical structure, C21H26N4O, CAS 862194-17-0](/s/UUWFSCSIEKZSIT-UHFFFAOYSA-N.svg)
4-(5-(tert-Butyl)-2-methyl-3-phenylpyrazolo[1,5-a]pyrimidin-7-yl)morpholine
CAS 862194-17-0C21H26N4O
2-(4-Benzyl-1-piperazinyl)-N'-(1-phenylethylidene)acetohydrazide
CAS 303107-56-4C21H26N4O
4-(4-tert-Butylbenzyl)-1-(4,6-dimethylpyrimidin-2-yl)-3-methyl-1H-pyrazol-5-ol
CAS 895330-90-2C21H26N4O
![N-(5-{Imidazo[1,2-a]pyrimidin-2-yl}-2-methylphenyl)-2-propylpentanamide chemical structure, C21H26N4O, CAS 862810-15-9](/s/FHTVEHLTWVSBDI-UHFFFAOYSA-N.svg)
N-(5-{Imidazo[1,2-a]pyrimidin-2-yl}-2-methylphenyl)-2-propylpentanamide
CAS 862810-15-9C21H26N4O
9-Amino-N-(5-(dimethylamino)pentyl)-4-acridinecarboxamide
CAS 91549-80-3C21H26N4O
![N-[2-[(3-Cyano-6,8-dimethylquinolin-2-yl)amino]ethyl]cyclohexanecarboxamide chemical structure, C21H26N4O, CAS 606105-71-9](/s/VXZAKHDBCDMYRB-UHFFFAOYSA-N.svg)
N-[2-[(3-Cyano-6,8-dimethylquinolin-2-yl)amino]ethyl]cyclohexanecarboxamide
CAS 606105-71-9C21H26N4O
DDP38003 trihydrochloride
CAS 1831167-97-5C21H26N4O
3-(5-(3-tert-Butylphenyl)-3-((dimethylamino)methyl)-1H-1,2,4-triazol-1-yl)phenol
CAS 915124-90-2C21H26N4O
![2-[4-(4-Cyclohexylbenzoyl)piperazin-1-yl]pyrimidine chemical structure, C21H26N4O, CAS 930734-04-6](/s/ZQBUOQCPMGKPMQ-UHFFFAOYSA-N.svg)
2-[4-(4-Cyclohexylbenzoyl)piperazin-1-yl]pyrimidine
CAS 930734-04-6C21H26N4O
![1-[4-(4-Phenylpiperazin-1-yl)butyl]-1H-benzo[d]imidazol-2(3H)-one chemical structure, C21H26N4O, CAS 769091-11-4](/s/RBFHCAHIEQNMRT-UHFFFAOYSA-N.svg)
1-[4-(4-Phenylpiperazin-1-yl)butyl]-1H-benzo[d]imidazol-2(3H)-one
CAS 769091-11-4C21H26N4O
![3-Benzyl-9-(pyrimidine-2-carbonyl)-3,9-diazaspiro[5.5]undecane chemical structure, C21H26N4O, CAS 2637266-44-3](/s/YIWYYFDCFJXRTE-UHFFFAOYSA-N.svg)
3-Benzyl-9-(pyrimidine-2-carbonyl)-3,9-diazaspiro[5.5]undecane
CAS 2637266-44-3C21H26N4O
![9-(4-tert-Butylphenyl)-6,6-dimethyl-5,6,7,9-tetrahydro[1,2,4]triazolo[5,1-b]quinazolin-8(4H)-one chemical structure, C21H26N4O, CAS 573933-72-9](/s/SWLRHSGCJAMKIK-UHFFFAOYSA-N.svg)
9-(4-tert-Butylphenyl)-6,6-dimethyl-5,6,7,9-tetrahydro[1,2,4]triazolo[5,1-b]quinazolin-8(4H)-one
CAS 573933-72-9C21H26N4O
![5-Isopropyl-2-methyl-3-phenyl-N-((tetrahydrofuran-2-yl)methyl)pyrazolo[1,5-a]pyrimidin-7-amine chemical structure, C21H26N4O, CAS 896831-44-0](/s/YTURWVZENTXXPJ-UHFFFAOYSA-N.svg)
5-Isopropyl-2-methyl-3-phenyl-N-((tetrahydrofuran-2-yl)methyl)pyrazolo[1,5-a]pyrimidin-7-amine
CAS 896831-44-0C21H26N4O
![6-Amino-3-tert-butyl-4-(4-tert-butylphenyl)-2,4-dihydropyrano[2,3-c]pyrazole-5-carbonitrile chemical structure, C21H26N4O, CAS 369399-33-7](/s/YVJUSFRZLQXENV-UHFFFAOYSA-N.svg)
6-Amino-3-tert-butyl-4-(4-tert-butylphenyl)-2,4-dihydropyrano[2,3-c]pyrazole-5-carbonitrile
CAS 369399-33-7C21H26N4O
![5-tert-Butyl-N-(oxolan-2-ylmethyl)-3-phenylpyrazolo[1,5-a]pyrimidin-7-amine chemical structure, C21H26N4O, CAS 896067-09-7](/s/GHBFJWDXUQVSCZ-UHFFFAOYSA-N.svg)
5-tert-Butyl-N-(oxolan-2-ylmethyl)-3-phenylpyrazolo[1,5-a]pyrimidin-7-amine
CAS 896067-09-7C21H26N4O
![7-(3,5-Dimethylpiperidin-1-yl)-3-(2-methoxyphenyl)-5-methylpyrazolo[1,5-a]pyrimidine chemical structure, C21H26N4O, CAS 890622-11-4](/s/SFFABMJRHCUJQI-UHFFFAOYSA-N.svg)
7-(3,5-Dimethylpiperidin-1-yl)-3-(2-methoxyphenyl)-5-methylpyrazolo[1,5-a]pyrimidine
CAS 890622-11-4C21H26N4O
![2-Methyl-3-phenyl-5-propyl-N-((tetrahydrofuran-2-yl)methyl)pyrazolo[1,5-a]pyrimidin-7-amine chemical structure, C21H26N4O, CAS 900285-05-4](/s/BPGVYTZNRCRJTO-UHFFFAOYSA-N.svg)
2-Methyl-3-phenyl-5-propyl-N-((tetrahydrofuran-2-yl)methyl)pyrazolo[1,5-a]pyrimidin-7-amine
CAS 900285-05-4C21H26N4O
![Pyrido[2,3-d]pyrimidin-7(6H)-one, 5,8-dihydro-4-methyl-8-(2-phenylethyl)-2-(2-piperidinyl)-, dihydrochloride chemical structure, C21H26N4O, CAS 1858250-51-7](/s/ZDVLACXHISPKJE-UHFFFAOYSA-N.svg)
Pyrido[2,3-d]pyrimidin-7(6H)-one, 5,8-dihydro-4-methyl-8-(2-phenylethyl)-2-(2-piperidinyl)-, dihydrochloride
CAS 1858250-51-7C21H26N4O
![4-(5-(tert-Butyl)-3-(p-tolyl)pyrazolo[1,5-a]pyrimidin-7-yl)morpholine chemical structure, C21H26N4O, CAS 902334-12-7](/s/AGLPJMYCMBHPRN-UHFFFAOYSA-N.svg)
4-(5-(tert-Butyl)-3-(p-tolyl)pyrazolo[1,5-a]pyrimidin-7-yl)morpholine
CAS 902334-12-7C21H26N4O
![1-[2-(4-Methoxyphenyl)-3,5-dimethylpyrazolo[1,5-a]pyrimidin-7-yl]azepane chemical structure, C21H26N4O, CAS 1203045-33-3](/s/FGVZNLAGKXJONC-UHFFFAOYSA-N.svg)
1-[2-(4-Methoxyphenyl)-3,5-dimethylpyrazolo[1,5-a]pyrimidin-7-yl]azepane
CAS 1203045-33-3C21H26N4O
![2-(4-Methoxyphenyl)-3,5-dimethyl-7-(4-methylpiperidin-1-yl)pyrazolo[1,5-a]pyrimidine chemical structure, C21H26N4O, CAS 1203253-58-0](/s/HXYUBUCRPGEKKO-UHFFFAOYSA-N.svg)
2-(4-Methoxyphenyl)-3,5-dimethyl-7-(4-methylpiperidin-1-yl)pyrazolo[1,5-a]pyrimidine
CAS 1203253-58-0C21H26N4O
- N-[2-(4-Butylphenyl)-6-methylbenzotriazol-5-yl]butanamide637311-52-5C21H26N4O
- 2-Cyano-N-ethyl-3-(6-methylergolin-8-yl)propanimidic acid74627-32-0C21H26N4O
- N-(3-(3-Methylimidazo[1,2-a]pyrimidin-2-yl)phenyl)-2-propylpentanamide862811-57-2C21H26N4O
- 2-(4-Benzylpiperazin-1-yl)-7,7-dimethyl-7,8-dihydroquinazolin-5(6H)-one775292-93-8C21H26N4O
- 4,4'-Dipiperazinobenzophenone69571-23-9C21H26N4O
- N-Cyclohexyl-2-(4-methoxyphenyl)-3,5-dimethylpyrazolo[1,5-a]pyrimidin-7-amine1203051-71-1C21H26N4O
- 1-(3-Methoxypropyl)-3-(2-phenylethyl)-1,2,3,4-tetrahydro[1,3,5]triazino[1,2-a]benzimidazole878994-79-7C21H26N4O
- 2-Methyl-2-[1-(2-phenylethyl)-1,2-dihydro[1,3,5]triazino[1,2-a]benzimidazol-3(4H)-yl]propan-1-ol929846-45-7C21H26N4O
- 1-Isopropyl-6-methyl-N-(1-methyl-3-phenylpropyl)-1H-pyrazolo[3,4-b]pyridine-4-carboxamide1190278-79-5C21H26N4O
- N-[1-(3-Ethoxybenzyl)piperidin-3-yl]-1H-indazol-5-amine1035095-45-4C21H26N4O
- N-[(1-Methyl-1H-benzimidazol-2-yl)methyl]-2-[1-(1H-pyrrol-1-yl)cyclohexyl]acetamide1574289-74-9C21H26N4O
- N-[2-(1H-Benzimidazol-2-yl)ethyl]-2-[1-(1H-pyrrol-1-yl)cyclohexyl]acetamide1574307-74-6C21H26N4O
- (E)-(4-Cinnamylpiperazin-1-yl)(4,5,6,7-tetrahydro-1H-benzo[d]imidazol-5-yl)methanone2035023-41-5C21H26N4O
- 7-[(2-Cyclohex-1-en-1-ylethyl)amino]-2-(4-methylphenyl)-6,7-dihydropyrazolo[1,5-a]pyrazin-4(5H)-one2108267-80-5C21H26N4O
- N-{2-[3-(Pyridin-2-yl)-1H-pyrazol-1-yl]ethyl}adamantane-1-carboxamide1448129-52-9C21H26N4O
- 2-[Benzyl({2-[benzyl(methyl)amino]ethyl})amino]-N-(cyanomethyl)acetamide1384596-20-6C21H26N4O
- N-{5-[1-(Propan-2-yl)-1H-benzimidazol-2-yl]pentyl}pyridine-2-carboxamide1574290-51-9C21H26N4O
- 3,3-Dimethyl-4-[1-[(2-phenylpyrimidin-5-yl)methyl]piperidin-4-yl]azetidin-2-one2224514-83-2C21H26N4O
- 1-Phenyl-4-{[2-(1-piperidinyl)-3-pyridinyl]carbonyl}piperazine353258-94-3C21H26N4O
- N1-(1-(4-methoxybenzyl)-1H-benzo[d]imidazol-2-yl)cyclohexane-1,4-diamine1420841-62-8C21H26N4O
- N-((1-Cyclopentyl-5-(pyridin-4-yl)-1H-pyrazol-3-yl)methyl)cyclohex-3-enecarboxamide1421444-53-2C21H26N4O
- (1-Ethyl-2,5-dimethyl-1H-pyrrol-3-yl)[4-(1H-pyrrolo[2,3-b]pyridin-3-yl)-1-piperidinyl]methanone1428081-79-1C21H26N4O
- N-[4-(Butan-2-yl)phenyl]-3-(1-tert-butyl-1H-pyrazol-4-yl)-2-cyanoprop-2-enamide1394799-45-1C21H26N4O
- 2-Cyano-3-[2,5-dimethyl-1-(2-methylpropyl)-1H-pyrrol-3-yl]-N-[1-(pyridin-2-yl)ethyl]prop-2-enamide1424704-97-1C21H26N4O
- 2-[5-(Cyclohex-3-ene-1-carbonyl)-octahydropyrrolo[3,4-c]pyrrol-2-yl]-1-methyl-1H-1,3-benzodiazole2549041-98-5C21H26N4O
- 2-[5-(Cyclopent-3-ene-1-carbonyl)-octahydropyrrolo[3,4-c]pyrrol-2-yl]-1-ethyl-1H-1,3-benzodiazole2549021-50-1C21H26N4O
- 4-[(4-{[(2,5,6-Trimethylpyrimidin-4-yl)oxy]methyl}piperidin-1-yl)methyl]benzonitrile2640902-79-8C21H26N4O
- 8-[[(2,6-Diethylphenyl)methyl]amino]-2,3-dimethyl-imidazo[1,2-a]pyridine-6-carboxamide248281-65-4C21H26N4O
- 3-(4-tert-Butylphenyl)-N-(tetrahydro-2H-pyran-4-yl)imidazo[1,2-b]pyridazin-6-amine1012345-90-2C21H26N4O
- 2-(4-Methoxyphenyl)-3-[(2-methyl-1-piperidinyl)methyl]imidazo[1,2-a]pyridin-6-amine1216920-43-2C21H26N4O
- (4-(4-(4-Isopropylpiperazin-1-yl)phenyl)-1H-pyrrolo[3,2-c]pyridin-2-yl)methanol1796562-48-5C21H26N4O
- [1-(4-Phenyl-5-pyrimidinyl)-4-piperidinyl]-1-piperidinylmethanone1613481-47-2C21H26N4O
- 2-[1-[1-(Pyridin-2-ylmethyl)piperidin-4-yl]-2,3-dihydroindol-3-yl]acetamide616898-71-6C21H26N4O
- 4-{[4-(3-tert-Butyl-6-oxo-1,6-dihydropyridazin-1-yl)piperidin-1-yl]methyl}benzonitrile2320376-10-9C21H26N4O
- 4-[4-(2,3-Dimethylphenyl)piperazine-1-carbonyl]-5,6,7,8-tetrahydroquinazoline2415456-40-3C21H26N4O
- 1-[5-(6-Methylpyridazin-3-yl)-octahydropyrrolo[3,4-c]pyrrol-2-yl]-4-phenylbutan-1-one2415573-68-9C21H26N4O
- 3-{5-Benzoyl-octahydropyrrolo[3,4-c]pyrrol-2-yl}-6-tert-butylpyridazine2415570-20-4C21H26N4O
- 2-{5-[(Oxolan-2-yl)methyl]-octahydropyrrolo[3,4-c]pyrrol-2-yl}-5-phenylpyrazine2877686-73-0C21H26N4O
- 1-[(Z)-(4-Propan-2-ylphenyl)methylideneamino]-3-[(E)-(4-propan-2-ylphenyl)methylideneamino]urea6341-82-8C21H26N4O
- N1-(1-(4-methoxybenzyl)-1H-benzo[d]imidazol-2-yl)cyclohexane-1,2-diamine1420861-52-4C21H26N4O
- 1-Benzyl-N,N-dimethylspiro[piperidine-4,3'-pyrrolo[2,3-B]pyridine]-1'(2'H)-carboxamide1469716-11-7C21H26N4O
- [3-(2-Amino-6-methyl-4-pyrimidinyl)phenyl][(4aR,8aS)-octahydro-2(1H)-isoquinolinyl]-rel-methanone2108868-73-9C21H26N4O
- 2,6-Di-tert-butyl-4-(2-phenyl-1,2-dihydro-5H-tetrazol-5-ylidene)cyclohexa-2,5-dien-1-one87186-78-5C21H26N4O
- 1-{2-Cyclopropyl-5H,6H,7H-cyclopenta[d]pyrimidin-4-yl}-4-(3-methoxyphenyl)piperazine2640881-32-7C21H26N4O
- 1-{2-Cyclopropyl-5H,6H,7H-cyclopenta[d]pyrimidin-4-yl}-4-(2-methoxyphenyl)piperazine2741932-61-4C21H26N4O
- 1-[5-(6-Methylpyrimidin-4-yl)-octahydropyrrolo[3,4-c]pyrrol-2-yl]-4-phenylbutan-1-one2742065-44-5C21H26N4O
- 1-[5-(6-Methylpyrimidin-4-yl)-octahydropyrrolo[3,4-c]pyrrol-2-yl]-2-phenylbutan-1-one2741938-53-2C21H26N4O
- 1-(2,5-Dimethylphenyl)-4-{2-methyl-5H,6H,7H-cyclopenta[d]pyrimidine-4-carbonyl}piperazine2770624-09-2C21H26N4O
- 1-(2,3-Dimethylphenyl)-4-{2-methyl-5H,6H,7H-cyclopenta[d]pyrimidine-4-carbonyl}piperazine2770621-26-4C21H26N4O
- 2-[1-(6-Methylpyrimidin-4-yl)piperidin-4-yl]-1-(1,2,3,4-tetrahydroisoquinolin-2-yl)ethan-1-one3054436-24-4C21H26N4O
- 2-[1-(2-Methylpyrimidin-4-yl)piperidin-4-yl]-1-(1,2,3,4-tetrahydroisoquinolin-2-yl)ethan-1-one3054561-51-9C21H26N4O
- 2-[1-(6-Ethylpyrimidin-4-yl)piperidine-4-carbonyl]-1,2,3,4-tetrahydroisoquinoline3054575-20-8C21H26N4O
- 2-[1-(5-Ethylpyrimidin-2-yl)piperidine-4-carbonyl]-1,2,3,4-tetrahydroisoquinoline3054547-36-0C21H26N4O
- 2-[1-(4-Methylpyrimidin-2-yl)piperidin-4-yl]-1-(1,2,3,4-tetrahydroisoquinolin-2-yl)ethan-1-one3054436-32-4C21H26N4O
- 2-[1-(6-Methylpyrazin-2-yl)piperidin-4-yl]-1-(1,2,3,4-tetrahydroisoquinolin-2-yl)ethan-1-one3054633-92-7C21H26N4O
- 2-[1-(3-Methylpyrazin-2-yl)piperidin-4-yl]-1-(1,2,3,4-tetrahydroisoquinolin-2-yl)ethan-1-one3054560-55-0C21H26N4O
- 2-[1-(2,6-Dimethylpyrimidin-4-yl)piperidine-4-carbonyl]-1,2,3,4-tetrahydroisoquinoline3054591-24-8C21H26N4O
- 2-[1-(5,6-Dimethylpyrimidin-4-yl)piperidine-4-carbonyl]-1,2,3,4-tetrahydroisoquinoline3054537-42-4C21H26N4O
- 2-[1-(3,6-Dimethylpyrazin-2-yl)piperidine-4-carbonyl]-1,2,3,4-tetrahydroisoquinoline3054411-54-7C21H26N4O
- 2-[1-(4,6-Dimethylpyrimidin-2-yl)piperidine-3-carbonyl]-1,2,3,4-tetrahydroisoquinoline3054579-42-6C21H26N4O
- 2-(4-{Octahydrocyclopenta[c]pyrrole-2-carbonyl}piperidin-1-yl)quinoxaline3054445-51-8C21H26N4O
- 1-(2,3-Dihydro-1H-indol-1-yl)-2-[1-(6-ethylpyrimidin-4-yl)piperidin-4-yl]ethan-1-one3054565-40-8C21H26N4O
- 1-(2,3-Dihydro-1H-indol-1-yl)-2-[1-(3,6-dimethylpyrazin-2-yl)piperidin-4-yl]ethan-1-one3054562-61-4C21H26N4O
- 2-[1-(5-Methylpyrimidin-2-yl)piperidin-4-yl]-1-(1,2,3,4-tetrahydroisoquinolin-2-yl)ethan-1-one3054603-17-4C21H26N4O
- 2-[1-(5,6-Dimethylpyridazin-3-yl)piperidine-3-carbonyl]-1,2,3,4-tetrahydroisoquinoline3054559-94-0C21H26N4O
- 2-[1-(5,6-Dimethylpyrimidin-4-yl)piperidine-3-carbonyl]-1,2,3,4-tetrahydroisoquinoline3054579-22-2C21H26N4O
- 1-(2,3-Dihydro-1H-indol-1-yl)-2-[1-(4,6-dimethylpyrimidin-2-yl)piperidin-4-yl]ethan-1-one3054637-49-6C21H26N4O
- 2-[1-(2,6-Dimethylpyrimidin-4-yl)piperidine-3-carbonyl]-1,2,3,4-tetrahydroisoquinoline3054428-95-1C21H26N4O
- 1-(2,3-Dihydro-1H-indol-1-yl)-2-[1-(5,6-dimethylpyrimidin-4-yl)piperidin-4-yl]ethan-1-one3054637-72-5C21H26N4O
- 1-(2,3-Dihydro-1H-indol-1-yl)-2-[1-(2,6-dimethylpyrimidin-4-yl)piperidin-4-yl]ethan-1-one3054624-62-0C21H26N4O
- 2-[1-(6-Ethylpyrimidin-4-yl)piperidine-3-carbonyl]-1,2,3,4-tetrahydroisoquinoline3054636-78-8C21H26N4O
- 2-[1-(5-Ethylpyrimidin-2-yl)piperidine-3-carbonyl]-1,2,3,4-tetrahydroisoquinoline3054605-31-8C21H26N4O
- 1-(2,3-Dihydro-1H-indol-1-yl)-2-[1-(5-ethylpyrimidin-2-yl)piperidin-4-yl]ethan-1-one3054567-81-3C21H26N4O
Frequently asked questions
What is the molar mass of C21H26N4O?
The molar mass of C21H26N4O is 350.47 g/mol, calculated from standard atomic weights for 21 carbon atoms, 26 hydrogen atoms, 4 nitrogen atoms and 1 oxygen atom. The monoisotopic mass is 350.2107 Da.
How many compounds have the formula C21H26N4O?
CompoundList lists 97 compounds with the molecular formula C21H26N4O, including 4-(4-(Dimethylamino)phenyl)-3,7,7-trimethyl-6,7,8,9-tetrahydro-1H-pyrazolo[3,4-b]quinolin-5(4H)-one, 2-(4-Benzylpiperazin-1-yl)-4,7-dimethyl-7,8-dihydroquinazolin-5(6H)-one, 1-[(1-Benzyl-4,5-dimethyl-2-pyrrol-1-ylpyrrol-3-yl)methyl]-3-ethylurea. 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 C21H26N4O?
C21H26N4O 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.