Molecular formula
C22H26N4O2
178 compounds have this formula on CompoundList.
- Molar mass
- 378.48g/mol
- Monoisotopic mass
- 378.2056Da
- Atoms
- 54
- Elements
- 4
- Rings plus double bonds
- 12
The formula C22H26N4O2 describes a molecule made of 22 carbon atoms, 26 hydrogen atoms, 4 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 × 2269.82%12.011 × 22 = 264.242 g/mol
- H Hydrogen × 266.92%1.008 × 26 = 26.208 g/mol
- N Nitrogen × 414.80%14.007 × 4 = 56.028 g/mol
- O Oxygen × 28.45%15.999 × 2 = 31.998 g/mol
Look up another formula
Compounds with the formula C22H26N4O2
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 100 of 178 compounds
![4-[4-(tert-Butyl)benzoyl]-N-[3-(1H-imidazol-1-yl)propyl]-1H-pyrrole-2-carboxamide chemical structure, C22H26N4O2, CAS 439111-49-6](/s/DQOXDNAAMXCTPB-UHFFFAOYSA-N.svg)
4-[4-(tert-Butyl)benzoyl]-N-[3-(1H-imidazol-1-yl)propyl]-1H-pyrrole-2-carboxamide
CAS 439111-49-6C22H26N4O2
![2'-(1,3-Benzoxazol-2-ylamino)-7',7'-dimethyl-7',8'-dihydro-6'H-spiro[cyclohexane-1,4'-quinazolin]-5'-ol chemical structure, C22H26N4O2, CAS 810635-53-1](/s/GFPQQSNHDLDFLL-UHFFFAOYSA-N.svg)
2'-(1,3-Benzoxazol-2-ylamino)-7',7'-dimethyl-7',8'-dihydro-6'H-spiro[cyclohexane-1,4'-quinazolin]-5'-ol
CAS 810635-53-1C22H26N4O2
6,6'-Bis(4-(S)-isopropyl-2-oxazolinyl)-2,2'-bipyridine
CAS 147409-41-4C22H26N4O2
![5-[2-Hydroxy-3-(4-methylpiperidin-1-yl)propyl]-3-methyl-1-oxo-1,5-dihydropyrido[1,2-a]benzimidazole-4-carbonitrile chemical structure, C22H26N4O2, CAS 849912-42-1](/s/KFHVOZHVWAANSU-UHFFFAOYSA-N.svg)
5-[2-Hydroxy-3-(4-methylpiperidin-1-yl)propyl]-3-methyl-1-oxo-1,5-dihydropyrido[1,2-a]benzimidazole-4-carbonitrile
CAS 849912-42-1C22H26N4O2
![2-Methoxy-N-[1-methyl-2-(piperidin-1-ylmethyl)benzimidazol-5-yl]benzamide chemical structure, C22H26N4O2, CAS 727661-76-9](/s/ZCZFXIRPUNLGSL-UHFFFAOYSA-N.svg)
2-Methoxy-N-[1-methyl-2-(piperidin-1-ylmethyl)benzimidazol-5-yl]benzamide
CAS 727661-76-9C22H26N4O2
![2-[4-(4-Methoxyphenyl)piperazin-1-yl]-1-(5-phenyl-4,5-dihydro-1H-pyrazol-1-yl)ethanone chemical structure, C22H26N4O2, CAS 727391-16-4](/s/SWROBUSFZIRUNE-UHFFFAOYSA-N.svg)
2-[4-(4-Methoxyphenyl)piperazin-1-yl]-1-(5-phenyl-4,5-dihydro-1H-pyrazol-1-yl)ethanone
CAS 727391-16-4C22H26N4O2
![2-[4-(2-Methoxyphenyl)piperazin-1-yl]-1-(5-phenyl-4,5-dihydro-1H-pyrazol-1-yl)ethanone chemical structure, C22H26N4O2, CAS 727392-16-7](/s/GESMSPMOADOPTA-UHFFFAOYSA-N.svg)
2-[4-(2-Methoxyphenyl)piperazin-1-yl]-1-(5-phenyl-4,5-dihydro-1H-pyrazol-1-yl)ethanone
CAS 727392-16-7C22H26N4O2
![1'-Ethyl-7-methoxy-2-pyridin-3-ylspiro[1,10b-dihydropyrazolo[1,5-c][1,3]benzoxazine-5,4'-piperidine] chemical structure, C22H26N4O2, CAS 840477-24-9](/s/SYBNGHPYRWHCPA-UHFFFAOYSA-N.svg)
1'-Ethyl-7-methoxy-2-pyridin-3-ylspiro[1,10b-dihydropyrazolo[1,5-c][1,3]benzoxazine-5,4'-piperidine]
CAS 840477-24-9C22H26N4O2
![4-Methyl-5-[2-(4-phenylpiperazino)acetyl]-1,3,4,5-tetrahydro-2H-1,5-benzodiazepin-2-one chemical structure, C22H26N4O2, CAS 866156-82-3](/s/SDCLXNZLSQMNNF-UHFFFAOYSA-N.svg)
4-Methyl-5-[2-(4-phenylpiperazino)acetyl]-1,3,4,5-tetrahydro-2H-1,5-benzodiazepin-2-one
CAS 866156-82-3C22H26N4O2
![8-Cyclopentyl-3-(3,4-dimethoxyphenyl)-5-methyl-7,8-dihydro-6H-pyrazolo[1,5-a]pyrrolo[3,2-e]pyrimidine chemical structure, C22H26N4O2, CAS 860650-34-6](/s/PBRXGIPKCNKKIB-UHFFFAOYSA-N.svg)
8-Cyclopentyl-3-(3,4-dimethoxyphenyl)-5-methyl-7,8-dihydro-6H-pyrazolo[1,5-a]pyrrolo[3,2-e]pyrimidine
CAS 860650-34-6C22H26N4O2
N,N'-Bis(2-aminoethyl)-9-anthrylmethylmalonamide
CAS 67936-20-3C22H26N4O2
Csp-2503
CAS 581813-10-7C22H26N4O2
![1-Benzyl-8-methoxy-3-(tetrahydrofuran-2-ylmethyl)-1,2,3,4-tetrahydro[1,3,5]triazino[1,2-a]benzimidazole chemical structure, C22H26N4O2, CAS 774560-36-0](/s/UPEJPPWFTGSHOP-UHFFFAOYSA-N.svg)
1-Benzyl-8-methoxy-3-(tetrahydrofuran-2-ylmethyl)-1,2,3,4-tetrahydro[1,3,5]triazino[1,2-a]benzimidazole
CAS 774560-36-0C22H26N4O2
![4-[4-(Dimethylamino)phenyl]-N-(2,4-dimethylphenyl)-6-methyl-2-oxo-1,2,3,4-tetrahydropyrimidine-5-carboxamide chemical structure, C22H26N4O2, CAS 380352-17-0](/s/SFSPIFZWINQRPM-UHFFFAOYSA-N.svg)
4-[4-(Dimethylamino)phenyl]-N-(2,4-dimethylphenyl)-6-methyl-2-oxo-1,2,3,4-tetrahydropyrimidine-5-carboxamide
CAS 380352-17-0C22H26N4O2
N'(1),N'(8)-Dibenzylideneoctanedihydrazide
CAS 303065-54-5C22H26N4O2
4-(4-(Dimethylamino)phenyl)-N-(3,5-dimethylphenyl)-6-methyl-2-oxo-1,2,3,4-tetrahydro-5-pyrimidinecarboxamide
CAS 537679-57-5C22H26N4O2
2,2'-(1,4-Butanediylbis(oxy-4,1-phenylene))bis(4,5-dihydro-1H-imidazole)
CAS 129050-97-1C22H26N4O2
![Cyclohexyl cyano[3-(piperidin-1-yl)quinoxalin-2-yl]acetate chemical structure, C22H26N4O2, CAS 840495-93-4](/s/VKHLNGZODADABB-UHFFFAOYSA-N.svg)
Cyclohexyl cyano[3-(piperidin-1-yl)quinoxalin-2-yl]acetate
CAS 840495-93-4C22H26N4O2
5-Cyano-N-(2,5-di(piperidin-1-yl)phenyl)furan-2-carboxamide
CAS 959626-45-0C22H26N4O2
N,N-Dimethyl-7-(4-(2-(pyridin-2-yl)ethyl)piperazin-1-yl)benzofuran-2-carboxamide
CAS 1259929-13-9C22H26N4O2
![Ethyl 4-[(2-methyl-1H-indol-3-yl)-pyridin-4-ylmethyl]piperazine-1-carboxylate chemical structure, C22H26N4O2, CAS 622796-41-2](/s/BNGMVERCLCNOFB-UHFFFAOYSA-N.svg)
Ethyl 4-[(2-methyl-1H-indol-3-yl)-pyridin-4-ylmethyl]piperazine-1-carboxylate
CAS 622796-41-2C22H26N4O2
c-Fms-IN-13
CAS 885704-58-5C22H26N4O2
2-Aminoquinazoline 10
CAS 342801-30-3C22H26N4O2
(4-(2-(1H-Pyrazol-1-yl)ethyl)piperazin-1-yl)(2-ethoxynaphthalen-1-yl)methanone
CAS 1286710-49-3C22H26N4O2
- 2-(5-Methyl-2-oxo-1,4,8-triazatricyclo[7.4.0.03,7]trideca-3(7),5,8-trien-4-yl)-N-(3-propan-2-ylphenyl)acetamide1775395-22-6C22H26N4O2
- N-Ethyl-2-[2-(morpholin-4-ylmethyl)-1H-benzimidazol-1-yl]-N-phenylacetamide915911-37-4C22H26N4O2
- 1-(4-((1-Methyl-1H-benzo[d]imidazol-2-yl)methyl)piperazin-1-yl)-2-phenoxypropan-1-one1171514-35-4C22H26N4O2
- (4-((2-Isopropyl-1H-imidazol-1-yl)methyl)piperidin-1-yl)(5-phenylisoxazol-3-yl)methanone1334368-52-3C22H26N4O2
- N-(1-Isopropyl-1H-indol-4-yl)-2-(3-oxo-3,5,6,7,8,9-hexahydro-2H-cyclohepta[c]pyridazin-2-yl)acetamide1324075-11-7C22H26N4O2
- 4-(5-Isopropyl-1,3,4-oxadiazol-2-yl)-N-(naphthalen-1-ylmethyl)piperidine-1-carboxamide1172374-27-4C22H26N4O2
- 5-((3-(Diethylamino)propyl)amino)-8-hydroxy-1-methyl-6H-imidazo(4,5,1-de)acridin-6-one138154-44-6C22H26N4O2
- N-[2-(Cyclohex-1-en-1-yl)ethyl]-3-{8-methyl-4-oxo-3H,4H,5H-pyrimido[5,4-b]indol-3-yl}propanamide1105246-98-7C22H26N4O2
- 1-(2-Hydroxybenzyl)-3-(3-t-butyl-1-p-tolyl-1H-pyrazol-5-yl)urea940875-00-3C22H26N4O2
- 3-(2-Ethoxyphenyl)-2-[(hexahydro-1H-1,4-diazepin-1-yl)methyl]-4(3H)-quinazolinone903499-55-8C22H26N4O2
- 5-[[3-Ethoxy-4-(3-phenylpropoxy)phenyl]methyl]pyrimidine-2,4-diamine656809-98-2C22H26N4O2
- N-(1-Ethyl-1H-indol-3-yl)-4-(2-methoxyphenyl)piperazine-1-carboxamide941951-29-7C22H26N4O2
- 1,3,8-Triazaspiro(4,5)decane-3-carboxamide, 8-benzyl-N-methyl-4-oxo-1-phenyl-54286-34-9C22H26N4O2
- 5-(1-Adamantyl)-N-[(E)-(2-methoxyphenyl)methylideneamino]-1H-pyrazole-3-carboxamide1285496-19-6C22H26N4O2
- 5H-Indolo(2,3-b)quinoxaline-5-ethanamine, N,N-diethyl-2,3-dimethoxy-, hydrate53493-63-3C22H26N4O2
- Ethyl 4-((1-benzyl-1H-benzimidazol-2-yl)amino)piperidine-1-carboxylate83898-30-0C22H26N4O2
- Ethyl 4-[(2-methyl-1H-indol-3-yl)(pyridin-3-yl)methyl]piperazine-1-carboxylate514186-34-6C22H26N4O2
- N-(2-Ethyl-6-methylphenyl)-1-(4-methoxyphenyl)-5-propyl-1H-1,2,3-triazole-4-carboxamide950234-53-4C22H26N4O2
- 2,4-Imidazolidinedione, 5,5-diphenyl-3-(2-(4-methyl-1-piperazinyl)ethyl)-54742-86-8C22H26N4O2
- 2-(3,4-Dihydro-2(1H)-isoquinolinyl)-N-(4,7,7-trimethyl-5-oxo-5,6,7,8-tetrahydro-2-quinazolinyl)acetamide929816-04-6C22H26N4O2
- (3r,5r,7r)-N-(2-((Z)-2-((1H-Indol-3-yl)methylene)hydrazinyl)-2-oxoethyl)adamantane-1-carboxamide476431-10-4C22H26N4O2
- 6H-Pyrido(2,3-b)(1,4)benzodiazepin-6-one, 5,11-dihydro-11-(1-oxo-6-(1-pyrrolidinyl)hexyl)-69549-28-6C22H26N4O2
- 1H-Imidazole-2-carboxylic acid, 1-(((8-beta)-6-methylergolin-8-yl)methyl)-, ethyl ester115219-11-9C22H26N4O2
- N-[1-Methyl-2-(piperidin-1-ylmethyl)-1H-benzimidazol-5-yl]-2-phenoxyacetamide948463-26-1C22H26N4O2
- 5-Cyclopropyl-N-((4-(1-methyl-1H-benzo[d]imidazol-2-yl)cyclohexyl)methyl)isoxazole-3-carboxamide1206998-73-3C22H26N4O2
- 2-(3-(Dimethylamino)-4-(4-methoxyphenyl)-1H-pyrazol-1-yl)-N-(2,6-dimethylphenyl)acetamide1286728-38-8C22H26N4O2
- 1-(4-Methoxyphenethyl)-3-(3-(2-phenyl-1H-imidazol-1-yl)propyl)urea1421489-98-6C22H26N4O2
- 2-[[2-[4-[(E)-3-Phenylprop-2-enyl]piperazin-1-yl]acetyl]amino]benzamide885422-66-2C22H26N4O2
- 3-Cyclohexyl-N-(5-imidazo[1,2-a]pyrimidin-2-yl-2-methoxyphenyl)propanamide862810-65-9C22H26N4O2
- 2-[4-(2-Hydroxyethyl)piperazin-1-yl]-7-[(E)-2-phenylethenyl]-7,8-dihydroquinazolin-5(6H)-one929962-00-5C22H26N4O2
- 2-[4-(1H-1,3-Benzodiazol-2-yl)piperidin-1-yl]-N-(4-ethoxyphenyl)acetamide887214-67-7C22H26N4O2
- 5-Methoxy-1-(2-oxo-2-{4-[2-(4-pyridinyl)ethyl]-1-piperazinyl}ethyl)-1H-indole1081145-39-2C22H26N4O2
- 4-[(4-Benzyl-1-piperazinyl)carbonyl]-6-isopropyl-3-methylisoxazolo[5,4-b]pyridine1190296-01-5C22H26N4O2
- N-Cyclohexyl-N-methyl-2-{2-[3-(4-methylphenyl)-1,2,4-oxadiazol-5-yl]-1H-pyrrol-1-yl}acetamide1260995-96-7C22H26N4O2
- ([1,1'-Biphenyl]-4,4'-diyl)bis[(piperazin-1-yl)methanone]904958-92-5C22H26N4O2
- N-[2-(3,4-Dihydroisoquinolin-2(1H)-yl)-2-oxoethyl]-4-phenylpiperazine-1-carboxamide1351688-51-1C22H26N4O2
- 2-(5-Methoxy-1H-indol-1-yl)-1-{4-[2-(2-pyridyl)ethyl]piperazino}-1-ethanone1401579-69-8C22H26N4O2
- 4-[4-(Dimethylamino)phenyl]-N-(3,4-dimethylphenyl)-6-methyl-2-oxo-1,2,3,4-tetrahydropyrimidine-5-carboxamide406690-54-8C22H26N4O2
- Benzenepropanamide, N-(2,3-dihydro-1,5-dimethyl-3-oxo-2-phenyl-1H-pyrazol-4-yl)-alpha-(dimethylamino)-, (±)-62951-81-9C22H26N4O2
- 1H-Imidazole-4-carboxylic acid, 1-(((8-beta)-6-methylergolin-8-yl)methyl)-, ethyl ester160730-44-9C22H26N4O2
- 1H-Imidazole-5-carboxylic acid, 1-(((8-beta)-6-methylergolin-8-yl)methyl)-, ethyl ester160730-45-0C22H26N4O2
- N-[4-(Dimethylamino)phenyl]-6-(4-oxoquinazolin-3(4H)-yl)hexanamide900873-71-4C22H26N4O2
- 2-{2-[(2-Hydroxypropyl)amino]-1H-1,3-benzodiazol-1-yl}-N-(1,2,3,4-tetrahydronaphthalen-1-yl)acetamide879333-03-6C22H26N4O2
- 2-Cyclohexyl-N-(5-(6-methoxyimidazo[1,2-b]pyridazin-2-yl)-2-methylphenyl)acetamide946268-06-0C22H26N4O2
- 4-Methoxy-N-[1-methyl-2-(piperidin-1-ylmethyl)-1H-benzimidazol-5-yl]benzamide931947-65-8C22H26N4O2
- N-Cycloheptyl-5-ethyl-3-oxo-2-phenyl-3,5-dihydro-2H-pyrazolo[4,3-c]pyridine-7-carboxamide923114-86-7C22H26N4O2
- N-Cyclohexyl-3-oxo-2-phenyl-5-propyl-3,5-dihydro-2H-pyrazolo[4,3-c]pyridine-7-carboxamide921514-39-8C22H26N4O2
- 4-[(4-Ethoxyphenyl)amino]-N,N-diethyl-7-methyl-1,8-naphthyridine-3-carboxamide1251695-04-1C22H26N4O2
- N,N-Diethyl-4-[(2-methoxy-5-methylphenyl)amino]-7-methyl-1,8-naphthyridine-3-carboxamide1251601-42-9C22H26N4O2
- 4-Phenyl-N-[3-(pyrrolidin-1-ylcarbonyl)phenyl]piperazine-1-carboxamide1324057-21-7C22H26N4O2
- 2-(3,4-Dimethylphenyl)-5-[3-oxo-3-(piperidin-1-yl)propyl]-4H,5H-pyrazolo[1,5-a]pyrazin-4-one1326905-95-6C22H26N4O2
- 2-{[4-(2-Methoxyphenyl)piperazin-1-yl]methyl}-6-phenyl-4,5-dihydropyridazin-3(2H)-one1401544-31-7C22H26N4O2
- 3-{1-[(3-Methoxyphenyl)methyl]piperidin-4-yl}-1-methyl-4-phenyl-4,5-dihydro-1H-1,2,4-triazol-5-one1396856-42-0C22H26N4O2
- N-(6-Methoxy-2,3,4,9-tetrahydro-1H-carbazol-1-yl)-2,4,5,6,7,8-hexahydrocyclohepta[c]pyrazole-3-carboxamide1574394-26-5C22H26N4O2
- 4-(2-Cyclopropyl-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazine-5-carbonyl)-1-(3,4-dimethylphenyl)pyrrolidin-2-one2034380-15-7C22H26N4O2
- 9-(4-Isopropylphenyl)-6,6-dimethyl-8-oxo-4,5,6,7,8,9-hexahydropyrazolo[5,1-b]quinazoline-3-carboxamide1219579-76-6C22H26N4O2
- 2-[4-(1H-Benzimidazol-2-yl)piperidin-1-yl]-N-(2-ethoxyphenyl)acetamide836691-33-9C22H26N4O2
- 1-(3-(2,3,5,6-Tetramethylphenyl)-9H-benzo[4,5][1,2,3]triazolo[2,1-b][1,2,3,5]oxatriazol-9-yl)pentan-1-one391218-36-3C22H26N4O2
- 4-Methyl-N-[1-methyl-2-(2-morpholin-4-ylethyl)benzimidazol-5-yl]benzamide896812-50-3C22H26N4O2
- 3-Methyl-N-[1-methyl-2-(2-morpholin-4-ylethyl)benzimidazol-5-yl]benzamide896850-84-3C22H26N4O2
- 5-(1-Adamantyl)-N-[(E)-(4-methoxyphenyl)methylideneamino]-1H-pyrazole-3-carboxamide305355-95-7C22H26N4O2
- N-(4-(2-Methyl-4-oxopyrido[2,3-d]pyrimidin-3(4H)-yl)phenyl)-2-propylpentanamide921817-35-8C22H26N4O2
- tert-Butyl 4-(3-cyano-6-phenylpyridin-2-yl)-1,4-diazepane-1-carboxylate946385-42-8C22H26N4O2
- 5-(4-Benzylpiperidin-1-yl)-1,3,6-trimethylpyrido[2,3-d]pyrimidine-2,4(1H,3H)-dione942007-65-0C22H26N4O2
- 4-Benzyl-N-(5-oxo-1-phenylpyrrolidin-3-yl)piperazine-1-carboxamide887212-25-1C22H26N4O2
- N-(1-(2-Methoxyethyl)-1H-indol-3-yl)-4-phenylpiperazine-1-carboxamide941988-30-3C22H26N4O2
- 7-(4-Methylpiperidine-1-carbonyl)-2-phenyl-5-propyl-2H-pyrazolo[4,3-c]pyridin-3(5H)-one923693-65-6C22H26N4O2
- N-[2-(2-Methoxyphenyl)ethyl]-1-(propan-2-yl)-1,5,6,7-tetrahydrocyclopenta[b]pyrazolo[4,3-e]pyridine-4-carboxamide1190299-85-4C22H26N4O2
- N-[2-(4-Methoxyphenyl)ethyl]-1-(propan-2-yl)-1,5,6,7-tetrahydrocyclopenta[b]pyrazolo[4,3-e]pyridine-4-carboxamide1190276-21-1C22H26N4O2
- 4-[(2-Ethoxyphenyl)amino]-N,N-diethyl-7-methyl-1,8-naphthyridine-3-carboxamide1251590-33-6C22H26N4O2
- N,N-Diethyl-4-[(4-methoxy-2-methylphenyl)amino]-7-methyl-1,8-naphthyridine-3-carboxamide1251601-52-1C22H26N4O2
- 1-Cyclopentyl-N-[2-(4-methoxyphenyl)ethyl]-6-methyl-1H-pyrazolo[3,4-b]pyridine-4-carboxamide1324058-04-9C22H26N4O2
- 4-Phenyl-N-[4-(pyrrolidin-1-ylcarbonyl)phenyl]piperazine-1-carboxamide1324084-33-4C22H26N4O2
- 2-(4-Cyanophenoxy)-N-(4-((4-methylpiperazin-1-yl)methyl)phenyl)propanamide1295280-86-2C22H26N4O2
- 1-((1-(Benzo[d]oxazol-2-yl)piperidin-4-yl)methyl)-3-(3,4-dimethylphenyl)urea1797257-97-6C22H26N4O2
- (E)-3-(2-Methoxyphenyl)-1-(4-(5,6,7,8-tetrahydrocinnolin-3-yl)piperazin-1-yl)prop-2-en-1-one2035004-94-3C22H26N4O2
Frequently asked questions
What is the molar mass of C22H26N4O2?
The molar mass of C22H26N4O2 is 378.48 g/mol, calculated from standard atomic weights for 22 carbon atoms, 26 hydrogen atoms, 4 nitrogen atoms and 2 oxygen atoms. The monoisotopic mass is 378.2056 Da.
How many compounds have the formula C22H26N4O2?
CompoundList lists 178 compounds with the molecular formula C22H26N4O2, including 4-[4-(tert-Butyl)benzoyl]-N-[3-(1H-imidazol-1-yl)propyl]-1H-pyrrole-2-carboxamide, 2'-(1,3-Benzoxazol-2-ylamino)-7',7'-dimethyl-7',8'-dihydro-6'H-spiro[cyclohexane-1,4'-quinazolin]-5'-ol, 6,6'-Bis(4-(S)-isopropyl-2-oxazolinyl)-2,2'-bipyridine. 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 C22H26N4O2?
C22H26N4O2 has a degree of unsaturation of 12. 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.