Molecular formula
C17H22N4O2
322 compounds have this formula on CompoundList.
- Molar mass
- 314.39g/mol
- Monoisotopic mass
- 319.2057Da
- Atoms
- 45
- Elements
- 4
- Rings plus double bonds
- 9
The formula C17H22N4O2 describes a molecule made of 17 carbon atoms, 22 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 × 1764.95%12.011 × 17 = 204.187 g/mol
- H Hydrogen × 227.05%1.008 × 22 = 22.176 g/mol
- N Nitrogen × 417.82%14.007 × 4 = 56.028 g/mol
- O Oxygen × 210.18%15.999 × 2 = 31.998 g/mol
Look up another formula
Compounds with the formula C17H22N4O2
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 201 to 300 of 322 compounds
![2-Methoxy-3-(3-{[(2-methylpyridin-4-yl)oxy]methyl}piperidin-1-yl)pyrazine chemical structure, C17H22N4O2, CAS 2549013-89-8](/s/SUUNLJKWNNJDDT-UHFFFAOYSA-N.svg)
2-Methoxy-3-(3-{[(2-methylpyridin-4-yl)oxy]methyl}piperidin-1-yl)pyrazine
CAS 2549013-89-8C17H22N4O2
![2-Methoxy-3-(4-{[(3-methylpyridin-2-yl)oxy]methyl}piperidin-1-yl)pyrazine chemical structure, C17H22N4O2, CAS 2549064-36-8](/s/OEZVOYNUZUJGKB-UHFFFAOYSA-N.svg)
2-Methoxy-3-(4-{[(3-methylpyridin-2-yl)oxy]methyl}piperidin-1-yl)pyrazine
CAS 2549064-36-8C17H22N4O2
![4-Methoxy-6-(4-{[(3-methylpyridin-2-yl)oxy]methyl}piperidin-1-yl)pyrimidine chemical structure, C17H22N4O2, CAS 2548989-28-0](/s/XDFXHSWNYIXFLR-UHFFFAOYSA-N.svg)
4-Methoxy-6-(4-{[(3-methylpyridin-2-yl)oxy]methyl}piperidin-1-yl)pyrimidine
CAS 2548989-28-0C17H22N4O2
![4-Methoxy-6-(4-{[(2-methylpyridin-4-yl)oxy]methyl}piperidin-1-yl)pyrimidine chemical structure, C17H22N4O2, CAS 2549001-42-3](/s/DXPNFJHUZXCOMG-UHFFFAOYSA-N.svg)
4-Methoxy-6-(4-{[(2-methylpyridin-4-yl)oxy]methyl}piperidin-1-yl)pyrimidine
CAS 2549001-42-3C17H22N4O2
![2-Methoxy-1-[5-(1-methyl-1H-1,3-benzodiazol-2-yl)-octahydropyrrolo[3,4-c]pyrrol-2-yl]ethan-1-one chemical structure, C17H22N4O2, CAS 2640885-76-1](/s/ZTPLVJJFPNKZDE-UHFFFAOYSA-N.svg)
2-Methoxy-1-[5-(1-methyl-1H-1,3-benzodiazol-2-yl)-octahydropyrrolo[3,4-c]pyrrol-2-yl]ethan-1-one
CAS 2640885-76-1C17H22N4O2
![1-Methyl-3-(4-{[(3-methylpyridin-4-yl)oxy]methyl}piperidin-1-yl)-1,2-dihydropyrazin-2-one chemical structure, C17H22N4O2, CAS 2640955-10-6](/s/MCYPAFMFZFFEFT-UHFFFAOYSA-N.svg)
1-Methyl-3-(4-{[(3-methylpyridin-4-yl)oxy]methyl}piperidin-1-yl)-1,2-dihydropyrazin-2-one
CAS 2640955-10-6C17H22N4O2
![5-Methoxy-2-(4-{[(3-methylpyridin-2-yl)oxy]methyl}piperidin-1-yl)pyrimidine chemical structure, C17H22N4O2, CAS 2640836-20-8](/s/ZGCYIFMDXFYJBW-UHFFFAOYSA-N.svg)
5-Methoxy-2-(4-{[(3-methylpyridin-2-yl)oxy]methyl}piperidin-1-yl)pyrimidine
CAS 2640836-20-8C17H22N4O2
![2-(2-Ethylphenoxy)acetic acid 2-[1-(1,3-dimethyl-1H-pyrazol-4-yl)ethylidene]hydrazide chemical structure, C17H22N4O2, CAS 349102-89-2](/s/ZQUYGPVXIVIFTH-UHFFFAOYSA-N.svg)
2-(2-Ethylphenoxy)acetic acid 2-[1-(1,3-dimethyl-1H-pyrazol-4-yl)ethylidene]hydrazide
CAS 349102-89-2C17H22N4O2
![2,3-Dihydro-N-[(1beta,5beta)-9-methyl-9-azabicyclo[3.3.1]nonan-3beta-yl]-2-oxo-1H-benzimidazole-1-carboxamide chemical structure, C17H22N4O2, CAS 123258-83-3](/s/KQXMAPPEQLLSJE-YHWZYXNKSA-N.svg)
2,3-Dihydro-N-[(1beta,5beta)-9-methyl-9-azabicyclo[3.3.1]nonan-3beta-yl]-2-oxo-1H-benzimidazole-1-carboxamide
CAS 123258-83-3C17H22N4O2
2-(4-Methyl-1-piperidinyl)-N-(5-oxo-1-phenyl-4,5-dihydro-1H-pyrazol-3-yl)acetamide
CAS 1082767-81-4C17H22N4O2
N-(3-(4-(Dimethylamino)phenyl)propyl)-2-(2-oxopyrimidin-1(2H)-yl)acetamide
CAS 1241593-53-2C17H22N4O2
4-(Hydroxymethyl)-N-(4-methyl-1-phenylpyrazol-3-yl)piperidine-1-carboxamide
CAS 1355921-03-7C17H22N4O2
tert-Butyl 3-(quinoxalin-2-ylamino)pyrrolidine-1-carboxylate
CAS 1388297-77-5C17H22N4O2
![1-[2-(6-Methoxy-[1,5]naphthyridin-4-yl)-ethyl]-piperidine-4-carboxylic acid amide chemical structure, C17H22N4O2, CAS 950824-76-7](/s/PKFVOXCPYTZTIJ-UHFFFAOYSA-N.svg)
1-[2-(6-Methoxy-[1,5]naphthyridin-4-yl)-ethyl]-piperidine-4-carboxylic acid amide
CAS 950824-76-7C17H22N4O2
Methyl 3-((6-(tert-butyl)-2-(pyridin-2-yl)pyrimidin-4-yl)amino)propanoate
CAS 1373423-22-3C17H22N4O2
N-(Cyclopentylmethyl)-6-methoxy-5-(4-methyl-1H-imidazol-1-yl)-2-pyridinecarboxamide
CAS 1294002-49-5C17H22N4O2
![N-[3-(6-Oxo-3-phenylpyridazin-1(6H)-yl)propyl]-N'-propan-2-ylurea chemical structure, C17H22N4O2, CAS 88421-15-2](/s/BGJLXWPASJBKFD-UHFFFAOYSA-N.svg)
N-[3-(6-Oxo-3-phenylpyridazin-1(6H)-yl)propyl]-N'-propan-2-ylurea
CAS 88421-15-2C17H22N4O2
![4-Methoxy-N-[3-(pyrazol-1-ylmethyl)phenyl]piperidine-1-carboxamide chemical structure, C17H22N4O2, CAS 1427911-70-3](/s/BKXMAVQXSRBEMS-UHFFFAOYSA-N.svg)
4-Methoxy-N-[3-(pyrazol-1-ylmethyl)phenyl]piperidine-1-carboxamide
CAS 1427911-70-3C17H22N4O2
![tert-Butyl (1R,6S)-3-(5-cyanopyridin-3-yl)-3,8-diazabicyclo[4.2.0]octane-8-carboxylate chemical structure, C17H22N4O2, CAS 923957-63-5](/s/LTKTVMPFSWRZDQ-ZFWWWQNUSA-N.svg)
tert-Butyl (1R,6S)-3-(5-cyanopyridin-3-yl)-3,8-diazabicyclo[4.2.0]octane-8-carboxylate
CAS 923957-63-5C17H22N4O2
![1-[4-(1-Methyl-1H-pyrrole-3-carbonyl)-1,4-diazepan-1-yl]-2-(1H-pyrrol-2-yl)ethan-1-one chemical structure, C17H22N4O2, CAS 1795330-57-2](/s/FHWBIWMKNZPEMH-UHFFFAOYSA-N.svg)
1-[4-(1-Methyl-1H-pyrrole-3-carbonyl)-1,4-diazepan-1-yl]-2-(1H-pyrrol-2-yl)ethan-1-one
CAS 1795330-57-2C17H22N4O2
![N-[[4-(2-Amino-4-pyrimidinyl)-2-methylphenyl]methyl]carbamic acid 1,1-dimethylethyl ester chemical structure, C17H22N4O2, CAS 1798793-38-0](/s/FBBWKZZCLMRPJU-UHFFFAOYSA-N.svg)
N-[[4-(2-Amino-4-pyrimidinyl)-2-methylphenyl]methyl]carbamic acid 1,1-dimethylethyl ester
CAS 1798793-38-0C17H22N4O2
![N-[[4-(6-Amino-4-pyrimidinyl)-2-methylphenyl]methyl]carbamic acid 1,1-dimethylethyl ester chemical structure, C17H22N4O2, CAS 1798792-35-4](/s/VHPKXTKKLFNWJH-UHFFFAOYSA-N.svg)
N-[[4-(6-Amino-4-pyrimidinyl)-2-methylphenyl]methyl]carbamic acid 1,1-dimethylethyl ester
CAS 1798792-35-4C17H22N4O2
![tert-Butyl 1-(4-aminophenyl)-6,7-dihydro-1H-pyrazolo[4,3-c]pyridine-5(4H)-carboxylate chemical structure, C17H22N4O2, CAS 1799842-78-6](/s/AUCWHGRYGZEZGQ-UHFFFAOYSA-N.svg)
tert-Butyl 1-(4-aminophenyl)-6,7-dihydro-1H-pyrazolo[4,3-c]pyridine-5(4H)-carboxylate
CAS 1799842-78-6C17H22N4O2
![1-[1-[(4-Methoxyphenyl)methyl]-1H-pyrazol-4-yl]-3,3-dimethyl-2-piperazinone chemical structure, C17H22N4O2, CAS 2014373-86-3](/s/YFRZSBMGSHWCPT-UHFFFAOYSA-N.svg)
1-[1-[(4-Methoxyphenyl)methyl]-1H-pyrazol-4-yl]-3,3-dimethyl-2-piperazinone
CAS 2014373-86-3C17H22N4O2
- Benzyl 3-(aminomethyl)-2-ethyl-5H,6H,7H,8H-imidazo[1,2-a]pyrazine-7-carboxylate2060057-20-5C17H22N4O2
- 1-Methyl-3-(4-{[(2-methylpyridin-4-yl)oxy]methyl}piperidin-1-yl)-1,2-dihydropyrazin-2-one2379995-27-2C17H22N4O2
- 3-Methyl-6-(4-{[(2-methylpyridin-4-yl)oxy]methyl}piperidin-1-yl)-3,4-dihydropyrimidin-4-one2380063-96-5C17H22N4O2
- 4-Methoxy-2-(4-{[(2-methylpyridin-4-yl)oxy]methyl}piperidin-1-yl)pyrimidine2379947-73-4C17H22N4O2
- 4-{[1-(1,3-Dimethyl-1H-pyrazole-5-carbonyl)piperidin-3-yl]methoxy}pyridine2379971-02-3C17H22N4O2
- 4-[1-(3-Methylpyridin-4-yl)piperidine-4-carbonyl]morpholine-3-carbonitrile2248061-05-2C17H22N4O2
- 1-{5-[4-(1-Amino-2-hydroxyethyl)phenyl]pyrimidin-2-yl}piperidin-3-ol2248060-49-1C17H22N4O2
- 24NH2Pyrimidn,5(3meo-4prenyl-5eto)benzyl85544-42-9C17H22N4O2
- 3-(2-Methyl-1H-1,3-benzodiazol-1-yl)-N-[(oxolan-2-yl)methyl]azetidine-1-carboxamide2380082-06-2C17H22N4O2
- 1-Benzyl-4-{[3-(propan-2-yl)-1,2,4-oxadiazol-5-yl]methyl}piperazin-2-one2415570-27-1C17H22N4O2
- 4,6-Dimethoxy-2-[4-(3-methylphenyl)piperazin-1-yl]pyrimidine2640966-05-6C17H22N4O2
- 4-Methoxy-6-(3-{[(2-methylpyridin-4-yl)oxy]methyl}piperidin-1-yl)pyrimidine2549030-60-4C17H22N4O2
- 6-Methyl-2-[2-(piperidine-1-carbonyl)morpholin-4-yl]pyridine-3-carbonitrile2549044-88-2C17H22N4O2
- 1-(4-Cyanopyridin-2-yl)-N-(oxan-4-yl)piperidine-3-carboxamide2877710-75-1C17H22N4O2
- 1-(5-Cyanopyridin-2-yl)-N-(oxan-4-yl)piperidine-3-carboxamide2877659-26-0C17H22N4O2
- 1-(6-Cyanopyridin-2-yl)-N-(oxan-4-yl)piperidine-3-carboxamide2877666-01-6C17H22N4O2
- 1-(3-Cyanopyridin-2-yl)-N-(oxan-4-yl)piperidine-3-carboxamide2877681-22-4C17H22N4O2
- 1-(4-Cyanopyridin-3-yl)-N-(oxan-4-yl)piperidine-3-carboxamide2877656-76-1C17H22N4O2
- 1-(6-Cyanopyridin-3-yl)-N-(oxan-4-yl)piperidine-3-carboxamide2877750-82-6C17H22N4O2
- 1-(2-Cyanopyridin-3-yl)-N-(oxan-4-yl)piperidine-3-carboxamide2877711-61-8C17H22N4O2
- 4-Hydroxy-2-(4-phenyl-1H-1,2,3-triazol-1-yl)-1-(piperidin-1-yl)butan-1-one2877762-36-0C17H22N4O2
- 4-Methoxy-6-[4-(2-phenoxyethyl)piperazin-1-yl]pyrimidine2877676-13-4C17H22N4O2
- 6-Methyl-2-[4-(morpholine-4-carbonyl)piperidin-1-yl]pyridine-3-carbonitrile2877720-51-7C17H22N4O2
- 4,6-Dimethyl-2-[3-(morpholine-4-carbonyl)pyrrolidin-1-yl]pyridine-3-carbonitrile2877641-03-5C17H22N4O2
- 1-Methyl-2-[3-(morpholine-4-carbonyl)pyrrolidin-1-yl]-1H-1,3-benzodiazole2877750-37-1C17H22N4O2
- 1-(4-{4-Methyl-1H,2H,3H,4H-pyrido[2,3-b]pyrazine-1-carbonyl}piperidin-1-yl)prop-2-en-1-one2411227-14-8C17H22N4O2
- (2E)-N-[1-(3-Benzyl-1,2,4-oxadiazol-5-yl)ethyl]-4-(dimethylamino)but-2-enamide2411324-48-4C17H22N4O2
- 5-[(2R)-2-Methyl-4-(oxan-4-yl)piperazine-1-carbonyl]pyridine-2-carbonitrile2411178-15-7C17H22N4O2
- N-(5-Phenyl-1,3,4-oxadiazol-2-yl)-4-(piperidin-1-yl)butanamide89758-30-5C17H22N4O2
- N-[6-(6-Oxo-3-phenylpyridazin-1(6H)-yl)hexyl]urea87653-49-4C17H22N4O2
- N-[3-(6-Oxo-3-phenylpyridazin-1(6H)-yl)propyl]-N'-propylurea87666-29-3C17H22N4O2
- N-Ethyl-N'-[4-(6-oxo-3-phenylpyridazin-1(6H)-yl)butyl]urea87653-23-4C17H22N4O2
- N-Methyl-N'-[5-(6-oxo-3-phenylpyridazin-1(6H)-yl)pentyl]urea87653-40-5C17H22N4O2
- N,N-Dimethyl-N'-[4-(6-oxo-3-phenylpyridazin-1(6H)-yl)butyl]urea87653-35-8C17H22N4O2
- Urea, N-[3,4-dihydro-4-(1H-iMidazol-5-ylMethyl)-2H-1-benzopyran-6-yl]-N-ethyl-N'-Methyl-1049633-12-6C17H22N4O2
- Benzyl [3-(3-methyl-4H-1,2,4-triazol-4-yl)cyclohexyl]carbamate1261225-50-6C17H22N4O2
- tert-Butyl 6-amino-4-(1H-pyrazol-1-yl)-3,4-dihydroquinoline-1(2H)-carboxylate1311183-40-0C17H22N4O2
- N-Butyl-N'-[2-(6-oxo-3-phenylpyridazin-1(6H)-yl)ethyl]urea88421-10-7C17H22N4O2
- N,N-Diethyl-N'-[2-(6-oxo-3-phenylpyridazin-1(6H)-yl)ethyl]urea88421-13-0C17H22N4O2
- 2,4-Dioxo-3-(piperidin-1-yl)-3-azaspiro[5.5]undecane-1,5-dicarbonitrile64635-83-2C17H22N4O2
- (R)-tert-Butyl (1-(quinoxalin-2-yl)pyrrolidin-3-yl)carbamate1421033-19-3C17H22N4O2
- (S)-tert-Butyl (1-(quinoxalin-2-yl)pyrrolidin-3-yl)carbamate1421010-08-3C17H22N4O2
- (S)-tert-Butyl 3-(quinoxalin-2-ylamino)pyrrolidine-1-carboxylate1421034-09-4C17H22N4O2
- (R)-tert-Butyl 3-(quinoxalin-2-ylamino)pyrrolidine-1-carboxylate1421042-60-5C17H22N4O2
- tert-Butyl (1-(quinoxalin-2-yl)pyrrolidin-3-yl)carbamate1420855-41-9C17H22N4O2
- 1-(1-(Pyrrolidine-2-carbonyl)piperidin-4-yl)-1H-benzo[d]imidazol-2(3H)-one1604889-47-5C17H22N4O2
- 1-(1-(Pyrrolidine-3-carbonyl)piperidin-4-yl)-1H-benzo[d]imidazol-2(3H)-one1587382-27-1C17H22N4O2
- tert-Butyl N-[[6-(4-cyclopropylpyrazol-1-yl)-3-pyridinyl]methyl]carbamate1980024-02-9C17H22N4O2
- 1-(2'-Oxo-[1,3'-bipiperidin]-4-yl)-1H-benzo[d]imidazol-2(3H)-one1952406-27-7C17H22N4O2
- 1-(1-(3-Methylazetidine-3-carbonyl)piperidin-4-yl)-1H-benzo[d]imidazol-2(3H)-one1949484-23-4C17H22N4O2
- 4-[(2S,4S)-4-Methoxy-2-[(pyrrolidin-1-yl)methyl]pyrrolidine-1-carbonyl]pyridine-2-carbonitrile2223498-39-1C17H22N4O2
- 6-Cyano-N-[(1R,2S)-2-(3-methoxypyrrolidin-1-yl)cyclopentyl]pyridine-3-carboxamide2223643-67-0C17H22N4O2
- 1-Cyclobutanecarbonyl-4-({imidazo[1,2-b]pyridazin-6-yloxy}methyl)piperidine2548995-86-2C17H22N4O2
- 2-Cyclopropyl-1-[4-({imidazo[1,2-b]pyridazin-6-yloxy}methyl)piperidin-1-yl]ethan-1-one2548982-33-6C17H22N4O2
- 4-Methoxy-2-{4-[(3-methoxyphenyl)methyl]piperazin-1-yl}pyrimidine2548977-68-8C17H22N4O2
- 4-Methoxy-6-{4-[(3-methoxyphenyl)methyl]piperazin-1-yl}pyrimidine2549034-03-7C17H22N4O2
- 1-Benzyl-4-{[4-(2-hydroxypropan-2-yl)-1H-1,2,3-triazol-1-yl]methyl}pyrrolidin-2-one2640886-41-3C17H22N4O2
- 4-Methoxy-2-(4-{[(3-methylpyridin-4-yl)oxy]methyl}piperidin-1-yl)pyrimidine2640954-55-6C17H22N4O2
- 1-Methyl-3-(3-{[(6-methylpyridin-2-yl)oxy]methyl}piperidin-1-yl)-1,2-dihydropyrazin-2-one2415456-63-0C17H22N4O2
- 4,6-Dimethoxy-2-[4-(2-methylphenyl)piperazin-1-yl]pyrimidine2741954-15-2C17H22N4O2
- 1-[(5-Cyclopropyl-1,2-oxazol-3-yl)methyl]-4-(5-cyclopropyl-1,3,4-oxadiazol-2-yl)piperidine2741930-14-1C17H22N4O2
- 4,6-Dimethyl-2-[2-(pyrrolidine-1-carbonyl)morpholin-4-yl]pyridine-3-carbonitrile2741936-51-4C17H22N4O2
- 6-Methyl-2-[3-(morpholine-4-carbonyl)piperidin-1-yl]pyridine-3-carbonitrile2741921-91-3C17H22N4O2
- 1-Methyl-2-[2-(pyrrolidine-1-carbonyl)morpholin-4-yl]-1H-1,3-benzodiazole2742016-42-6C17H22N4O2
- N-[1-(3,5-Dimethyl-1,2-oxazole-4-carbonyl)piperidin-4-yl]-N-methylpyridin-2-amine2741923-50-0C17H22N4O2
- 3-[(2-Ethyl-1H-imidazol-1-yl)methyl]-N-(2-methoxyphenyl)azetidine-1-carboxamide2742054-91-5C17H22N4O2
- tert-Butyl 5-(3-cyanopyridin-2-yl)-octahydropyrrolo[3,4-c]pyrrole-2-carboxylate2741948-13-8C17H22N4O2
- 5-Cyclopropyl-3-(3-{[2-(propan-2-yl)-1H-imidazol-1-yl]methyl}azetidine-1-carbonyl)-1,2-oxazole2742052-20-4C17H22N4O2
- 2-Methoxy-5-(3-{[2-(propan-2-yl)-1H-imidazol-1-yl]methyl}azetidine-1-carbonyl)pyridine2742068-28-4C17H22N4O2
- 2-({1-[(5-Cyclopropyl-1,2-oxazol-3-yl)methyl]piperidin-3-yl}methoxy)pyrazine2770606-59-0C17H22N4O2
- 1-Phenoxy-3-[4-(pyrimidin-4-yl)piperazin-1-yl]propan-2-ol2770617-74-6C17H22N4O2
- 1-Methyl-4-({3-[(pyrazin-2-yloxy)methyl]piperidin-1-yl}methyl)-1,2-dihydropyridin-2-one2770598-64-4C17H22N4O2
- 6-Amino-2-(morpholin-4-yl)-5-[4-(propan-2-yl)phenyl]-3,4-dihydropyrimidin-4-one2172522-07-3C17H22N4O2
- tert-Butyl 3-(quinoxalin-2-yl)piperazine-1-carboxylate2228524-75-0C17H22N4O2
- tert-Butyl 2-(quinoxalin-2-yl)piperazine-1-carboxylate2229153-36-8C17H22N4O2
- tert-Butyl 2-(3-aminophenyl)-5H,6H,7H,8H-[1,2,4]triazolo[1,5-a]pyridine-8-carboxylate2639461-09-7C17H22N4O2
Frequently asked questions
What is the molar mass of C17H22N4O2?
The molar mass of C17H22N4O2 is 314.39 g/mol, calculated from standard atomic weights for 17 carbon atoms, 22 hydrogen atoms, 4 nitrogen atoms and 2 oxygen atoms. The monoisotopic mass is 319.2057 Da.
How many compounds have the formula C17H22N4O2?
CompoundList lists 322 compounds with the molecular formula C17H22N4O2, including 2-Methoxy-3-(3-{[(2-methylpyridin-4-yl)oxy]methyl}piperidin-1-yl)pyrazine, 2-Methoxy-3-(4-{[(3-methylpyridin-2-yl)oxy]methyl}piperidin-1-yl)pyrazine, 4-Methoxy-6-(4-{[(3-methylpyridin-2-yl)oxy]methyl}piperidin-1-yl)pyrimidine. 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 C17H22N4O2?
C17H22N4O2 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.