Molecular formula
C18H18N4O2
391 compounds have this formula on CompoundList.
- Molar mass
- 322.37g/mol
- Monoisotopic mass
- 322.1430Da
- Atoms
- 42
- Elements
- 4
- Rings plus double bonds
- 12
The formula C18H18N4O2 describes a molecule made of 18 carbon atoms, 18 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 × 1867.07%12.011 × 18 = 216.198 g/mol
- H Hydrogen × 185.63%1.008 × 18 = 18.144 g/mol
- N Nitrogen × 417.38%14.007 × 4 = 56.028 g/mol
- O Oxygen × 29.93%15.999 × 2 = 31.998 g/mol
Look up another formula
Compounds with the formula C18H18N4O2
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 100 of 391 compounds
Mesocarb
CAS 34262-84-5C18H18N4O2
Takinib
CAS 1111556-37-6C18H18N4O2
![(E)-3-(1H-Benzo[d]imidazol-1-yl)-N'-(3-methoxybenzylidene)propanehydrazide chemical structure, C18H18N4O2, CAS 518018-77-4](/s/ZHFUTDOYRGOKIW-UDWIEESQSA-N.svg)
(E)-3-(1H-Benzo[d]imidazol-1-yl)-N'-(3-methoxybenzylidene)propanehydrazide
CAS 518018-77-4C18H18N4O2
6-Amino-1-benzyl-5-(benzylamino)-1,2,3,4-tetrahydropyrimidine-2,4-dione
CAS 379725-34-5C18H18N4O2
1-(1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)-3-phenylurea
CAS 51944-15-1C18H18N4O2
![(E)-3-(((4-Methoxyphenyl)imino)methyl)-9-methyl-2-(methylamino)-4H-pyrido[1,2-a]pyrimidin-4-one chemical structure, C18H18N4O2, CAS 342596-97-8](/s/BYKZWHGBUSBOMR-UHFFFAOYSA-N.svg)
(E)-3-(((4-Methoxyphenyl)imino)methyl)-9-methyl-2-(methylamino)-4H-pyrido[1,2-a]pyrimidin-4-one
CAS 342596-97-8C18H18N4O2
![3-(Benzimidazol-1-yl)-N-[(E)-(4-methoxyphenyl)methylideneamino]propanamide chemical structure, C18H18N4O2, CAS 518018-61-6](/s/NEXBEGNBBBAVQC-UDWIEESQSA-N.svg)
3-(Benzimidazol-1-yl)-N-[(E)-(4-methoxyphenyl)methylideneamino]propanamide
CAS 518018-61-6C18H18N4O2
4-(3-Phenyl-1,2,4-oxadiazol-5-yl)-N-(pyridin-3-ylmethyl)butanamide
CAS 838899-37-9C18H18N4O2
N-(2,3-Dimethyl-6-quinoxalinyl)-N'-(4-methoxyphenyl)urea
CAS 672949-99-4C18H18N4O2
3-(5-(3-(Dimethylamino)phenoxy)pyrimidin-2-ylamino)phenol
CAS 956128-01-1C18H18N4O2
![N-{3-Methoxy-4-[(4-methylbenzyl)oxy]benzylidene}-4H-1,2,4-triazol-4-amine chemical structure, C18H18N4O2, CAS 311798-38-6](/s/MHWBEAKNLVAWFJ-UFFVCSGVSA-N.svg)
N-{3-Methoxy-4-[(4-methylbenzyl)oxy]benzylidene}-4H-1,2,4-triazol-4-amine
CAS 311798-38-6C18H18N4O2
![(E)-2-((2-Hydroxyethyl)amino)-9-methyl-3-((phenylimino)methyl)-4H-pyrido[1,2-a]pyrimidin-4-one chemical structure, C18H18N4O2, CAS 304864-98-0](/s/TXFWUHPJUNROKH-UHFFFAOYSA-N.svg)
(E)-2-((2-Hydroxyethyl)amino)-9-methyl-3-((phenylimino)methyl)-4H-pyrido[1,2-a]pyrimidin-4-one
CAS 304864-98-0C18H18N4O2
![5-Nitro-N-phenylspiro[benzimidazole-2,1'-cyclohexan]-4-amine chemical structure, C18H18N4O2, CAS 300390-37-8](/s/QBBSUSGXTURGDV-UHFFFAOYSA-N.svg)
5-Nitro-N-phenylspiro[benzimidazole-2,1'-cyclohexan]-4-amine
CAS 300390-37-8C18H18N4O2
![(E)-3-(1H-Benzo[d]imidazol-1-yl)-N'-(2-methoxybenzylidene)propanehydrazide chemical structure, C18H18N4O2, CAS 518018-72-9](/s/KNMRUWZHTMNBOI-UDWIEESQSA-N.svg)
(E)-3-(1H-Benzo[d]imidazol-1-yl)-N'-(2-methoxybenzylidene)propanehydrazide
CAS 518018-72-9C18H18N4O2
![N-(2-Hydroxyethyl)-4-[(4-methylphthalazin-1-yl)amino]benzamide chemical structure, C18H18N4O2, CAS 337925-40-3](/s/OBCYUADYGHLOJJ-UHFFFAOYSA-N.svg)
N-(2-Hydroxyethyl)-4-[(4-methylphthalazin-1-yl)amino]benzamide
CAS 337925-40-3C18H18N4O2
1-(4-Methoxyphenyl)-N,N-dimethyl-5-phenyl-1,2,4-triazole-3-carboxamide
CAS 879050-76-7C18H18N4O2
![N,N'-[Azinobis(methylidyne-4,1-phenylene)]bis(acetamide) chemical structure, C18H18N4O2, CAS 17745-84-5](/s/IJZPLXLJPCGXJX-UHFFFAOYSA-N.svg)
N,N'-[Azinobis(methylidyne-4,1-phenylene)]bis(acetamide)
CAS 17745-84-5C18H18N4O2
![4,4'-[1,4-Phenylenebis(oxy)]bis(benzene-1,3-diamine) chemical structure, C18H18N4O2, CAS 1041928-17-9](/s/MOIKCNRNYNKVGS-UHFFFAOYSA-N.svg)
4,4'-[1,4-Phenylenebis(oxy)]bis(benzene-1,3-diamine)
CAS 1041928-17-9C18H18N4O2
![4-Benzoyl-N-[3-(1H-imidazol-1-yl)propyl]-1H-pyrrole-2-carboxamide chemical structure, C18H18N4O2, CAS 478040-38-9](/s/VTNQGJWQDGOEIN-UHFFFAOYSA-N.svg)
4-Benzoyl-N-[3-(1H-imidazol-1-yl)propyl]-1H-pyrrole-2-carboxamide
CAS 478040-38-9C18H18N4O2
9,10-Dihydro-9,10-ethanoanthracene-11,12-dicarboxylic dihydrazide
CAS 38253-49-5C18H18N4O2
![2-[5-Methyl-1-(2-morpholin-4-ylethyl)-2-oxoindol-3-ylidene]propanedinitrile chemical structure, C18H18N4O2, CAS 900277-68-1](/s/HKMNYBPTHBQNRO-UHFFFAOYSA-N.svg)
2-[5-Methyl-1-(2-morpholin-4-ylethyl)-2-oxoindol-3-ylidene]propanedinitrile
CAS 900277-68-1C18H18N4O2
![5-Ethoxy-2-phenyl-4-{[(3-pyridinylmethyl)amino]methylene}-2,4-dihydro-3H-pyrazol-3-one chemical structure, C18H18N4O2, CAS 338751-01-2](/s/BNISGKIOKJQXEP-UHFFFAOYSA-N.svg)
5-Ethoxy-2-phenyl-4-{[(3-pyridinylmethyl)amino]methylene}-2,4-dihydro-3H-pyrazol-3-one
CAS 338751-01-2C18H18N4O2
![5-Ethoxy-2-phenyl-4-{[(4-pyridinylmethyl)amino]methylene}-2,4-dihydro-3H-pyrazol-3-one chemical structure, C18H18N4O2, CAS 338751-04-5](/s/JWMUZHYRFABPJS-UHFFFAOYSA-N.svg)
5-Ethoxy-2-phenyl-4-{[(4-pyridinylmethyl)amino]methylene}-2,4-dihydro-3H-pyrazol-3-one
CAS 338751-04-5C18H18N4O2
![(7-Methyl-5-phenylpyrazolo[1,5-a]pyrimidin-2-yl)-morpholin-4-ylmethanone chemical structure, C18H18N4O2, CAS 313246-51-4](/s/OBAHMYACYJAVMR-UHFFFAOYSA-N.svg)
(7-Methyl-5-phenylpyrazolo[1,5-a]pyrimidin-2-yl)-morpholin-4-ylmethanone
CAS 313246-51-4C18H18N4O2
- 4-tert-Butyl-N-(5-pyridin-3-yl-1,3,4-oxadiazol-2-yl)benzamide887893-62-1C18H18N4O2
- 3-Acetamido-N-[2-(1H-benzimidazol-2-yl)ethyl]benzamide672944-38-6C18H18N4O2
- 5-Benzyl-1-methyl-3-(pyridin-3-yl)tetrahydropyrrolo[3,4-c]pyrazole-4,6(2H,5H)-dione1005062-01-0C18H18N4O2
- N-Benzyl-4-(4-oxo-1,2,3-benzotriazin-3(4H)-yl)butanamide440331-14-6C18H18N4O2
- 3-(4-Oxo-3,4-Dihydroquinazolin-2-Yl)-N-[(1s)-1-(Pyridin-2-Yl)ethyl]propanamide1445251-10-4C18H18N4O2
- Cdk-IN-10660822-84-4C18H18N4O2
- 1,1'-(3H,3'H-[5,5'-Bibenzimidazole]-2,2'-diyl)di(ethan-1-ol)505078-94-4C18H18N4O2
- (E)-1-(2-Oxo-3-propyl-2,3-dihydroquinazolin-4(1H)-ylidene)-3-phenylurea899984-11-3C18H18N4O2
- (E)-1-(3-Isopropyl-2-oxo-2,3-dihydroquinazolin-4(1H)-ylidene)-3-phenylurea899972-86-2C18H18N4O2
- 3-(3-Methyl-1,2,4-oxadiazol-5-yl)-N-(naphthalen-1-ylmethyl)azetidine-1-carboxamide1327202-96-9C18H18N4O2
- N-[3-(2-Methylpropyl)-4-oxo-3,4-dihydroquinazolin-6-yl]pyridine-3-carboxamide1285974-82-4C18H18N4O2
- Benzofuran-2-yl(4-(6-methylpyrimidin-4-yl)piperazin-1-yl)methanone1396844-52-2C18H18N4O2
- (3-Methyl-1-benzofuran-2-yl)-(4-pyrimidin-2-ylpiperazin-1-yl)methanone717871-34-6C18H18N4O2
- 4-(tert-Butyl)phenyl 6-(1H-1,2,4-triazol-1-yl)nicotinate400079-30-3C18H18N4O2
- 1-Morpholino-2-(2-(pyridin-2-yl)-1H-benzo[d]imidazol-1-yl)ethanone1105209-06-0C18H18N4O2
- N'-[1-(2-Methylpropyl)-2-oxo-2,3-dihydro-1H-indol-3-ylidene]pyridine-3-carbohydrazide796051-15-5C18H18N4O2
- N-(4-Ethoxyphenyl)-4-(5-methyl-1H-1,2,3-triazol-1-yl)benzamide915887-74-0C18H18N4O2
- N-(3-Methoxybenzyl)-1-(4-methylphenyl)-1H-1,2,3-triazole-4-carboxamide1105215-01-7C18H18N4O2
- 1,2-Propanediol, 3-((6-methyl-5H-pyrido(3',4':4,5)pyrrolo(2,3-g)isoquinolin-10-yl)amino)-83948-01-0C18H18N4O2
- N-(5-(6-Methoxyimidazo[1,2-b]pyridazin-2-yl)-2-methylphenyl)cyclopropanecarboxamide955538-66-6C18H18N4O2
- 4-[4-Oxo-3(4H)-quinazolinyl]-N-(2-pyridylmethyl)butanamide1190269-50-1C18H18N4O2
- 1-Benzyl-3-(2,7-dimethyl-4-oxo-4H-pyrido[1,2-a]pyrimidin-3-yl)urea1020976-99-1C18H18N4O2
- N-(4-Methylphenethyl)-2-(4-oxobenzo[d][1,2,3]triazin-3(4H)-yl)acetamide1929519-84-5C18H18N4O2
- Antipyrine, 4-(p-aminobenzamido)-(6CI,7CI)24891-21-2C18H18N4O2
- N-(2,3-Dihydro-1,5-dimethyl-3-oxo-2-phenyl-1H-pyrazol-4-yl)-N-methylnicotinamide34760-49-1C18H18N4O2
- 3-Ethoxy-N-(6-methylpyridin-2-yl)-5-(pyridin-3-yloxy)pyridin-2-amine847902-50-5C18H18N4O2
- SC 45647116869-20-6C18H18N4O2
- 2-(2,6-Dimethylphenoxy)-N-(3-phenyl-1H-1,2,4-triazol-5-yl)acetamide1222982-84-4C18H18N4O2
- 2-(3,5-Dimethylphenoxy)-N-(3-phenyl-1H-1,2,4-triazol-5-yl)acetamide1240846-90-5C18H18N4O2
- 1-(2,9-Dimethyl-4-oxo-4H-pyrido[1,2-a]pyrimidin-3-yl)-3-(m-tolyl)urea1021112-56-0C18H18N4O2
- (1H-Benzo[d]imidazol-5-yl)(4-(pyridin-2-yloxy)piperidin-1-yl)methanone1421500-48-2C18H18N4O2
- 3-((2-Methoxyphenyl)amino)-6-(4-methylbenzyl)-1,2,4-triazin-5(4H)-one898650-45-8C18H18N4O2
- Propyl 3,6-diphenyl-1,2,4,5-tetrazine-1(2H)-carboxylate871329-88-3C18H18N4O2
- (1H-Benzo[d]imidazol-5-yl)(4-(pyridin-3-yloxy)piperidin-1-yl)methanone1421483-16-0C18H18N4O2
- N-(4-tert-Butylphenyl)-6-nitroquinazolin-4-amine882083-57-0C18H18N4O2
- 5-(3,4-Dihydroquinolin-1(2H)-yl)-1,3-dimethylpyrido[2,3-d]pyrimidine-2,4(1H,3H)-dione946253-05-0C18H18N4O2
- 1-Amino-5-(5-Hydroxy-2-Methylphenyl)-7,8,9,10-Tetrahydropyrimido[4,5-C]isoquinolin-6(5H)-One1394837-94-5C18H18N4O2
- 9-Benzyl-2,4-dioxo-3,9-diazaspiro[5.5]undecane-1,5-dicarbonitrile189333-46-8C18H18N4O2
- 1 suppliers1-(1-Nicotinoylpiperidin-4-yl)-1H-benzo[d]imidazol-2(3H)-one521169-38-0C18H18N4O2
- 1 suppliers1-(1-Isonicotinoylpiperidin-4-yl)-1H-benzo[d]imidazol-2(3H)-one909681-70-5C18H18N4O2
- 4-(2-(Imidazo[2,1-f][1,2,4]triazin-7-yl)ethyl)-5,6,7,8-tetrahydronaphthalene-2-carboxylic acid1139402-96-2C18H18N4O2
- 1 suppliers1-(1-Picolinoylpiperidin-4-yl)-1H-benzo[d]imidazol-2(3H)-one1326496-58-5C18H18N4O2
- N-(4-Amino-2-methylquinolin-6-yl)-N'-(4-methoxyphenyl)urea109558-39-6C18H18N4O2
- 3H-Pyrazol-3-one, 4-[2-(2-ethoxyphenyl)diazenyl]-2,4-dihydro-5-methyl-2-phenyl-67969-66-8C18H18N4O2
- (E)-3-(1H-Benzo[d]imidazol-1-yl)-N'-(3-hydroxybenzylidene)-2-methylpropanehydrazide374630-49-6C18H18N4O2
- Fmoc-DAP-N31021422-85-4C18H18N4O2
- N-(4-Ethoxyphenyl)-5-methyl-1-phenyl-1H-1,2,3-triazole-4-carboxamide866846-55-1C18H18N4O2
- (E)-3-(Furan-2-yl)-N'-(4-isopropylbenzylidene)-1H-pyrazole-5-carbohydrazide307323-09-7C18H18N4O2
- N'-(2-(Benzoylhydrazono)-1-methylpropylidene)benzohydrazide36289-79-9C18H18N4O2
- 2-(2-Methylphenoxy)-N-[4-(5-methyl-1H-1,2,3-triazol-1-yl)phenyl]acetamide924829-72-1C18H18N4O2
- 6-(4-Methoxybenzyl)-3-[methyl(phenyl)amino]-1,2,4-triazin-5-ol898640-30-7C18H18N4O2
- 8-(Benzyloxy)-7-methoxy-2,3-dihydroimidazo[1,2-c]quinazolin-5-amine1032570-69-6C18H18N4O2
- 2-(Benzooxazol-2-ylamino)-4,7,7-trimethyl-7,8-dihydro-6H-quinazolin-5-one524057-14-5C18H18N4O2
- 3-Amino-N-(1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)benzamide328030-25-7C18H18N4O2
- 4-{4-[5-(3-Pyridinyl)-1,2,4-oxadiazol-3-yl]benzyl}morpholine866040-97-3C18H18N4O2
- 1-(2-Methoxyphenyl)-5-methyl-N-(2-methylphenyl)-1H-1,2,3-triazole-4-carboxamide871323-42-1C18H18N4O2
- 3,7-Bis(4-methylphenyl)tetrahydro-1H,5H-(1,2,4)triazolo(1,2-a)(1,2,4)triazole-1,5-dione62442-20-0C18H18N4O2
- N-(1-Methylethyl)-4,6-diphenoxy-1,3,5-triazin-2-amine79922-83-1C18H18N4O2
- 7,9-Dimethyl-6-propylpyrimido[4',5':3,4]pyrrolo[1,2-a]quinoxaline-8,10(7H,9H)-dione573948-18-2C18H18N4O2
- 1-(2-Methoxyphenyl)-5-methyl-N-(3-methylphenyl)-1H-1,2,3-triazole-4-carboxamide871323-12-5C18H18N4O2
- 1-(2-Methoxyphenyl)-5-methyl-N-(4-methylphenyl)-1H-1,2,3-triazole-4-carboxamide871323-41-0C18H18N4O2
- 2-(Benzo[d]isoxazol-3-yl)-1-(4-(pyridin-2-yl)piperazin-1-yl)ethanone902845-52-7C18H18N4O2
- 6-(4-Methoxybenzyl)-3-(o-tolylamino)-1,2,4-triazin-5(4H)-one534597-25-6C18H18N4O2
- 1-Ethyl-7-methyl-4-oxo-N-(pyridin-3-ylmethyl)-1,4-dihydro-1,8-naphthyridine-3-carboxamide440337-94-0C18H18N4O2
- [4-(3,5-Dimethylpyrazole-1-carbonyl)phenyl]-(3,5-dimethylpyrazol-1-yl)methanone80277-75-4C18H18N4O2
- 1-(4-Methoxyphenyl)-5-methyl-N-(4-methylphenyl)-1H-1,2,3-triazole-4-carboxamide866872-44-8C18H18N4O2
- N-[4-(Benzotriazole-1-carbonyl)phenyl]pentanamide663184-42-7C18H18N4O2
- N~1~-(4-isopropylphenyl)-2-[4-oxo-1,2,3-benzotriazin-3(4H)-yl]acetamide900873-15-6C18H18N4O2
- 1,2-Bis(1-methyl-1H-benzo[d]imidazol-2-yl)ethane-1,2-diol3256-27-7C18H18N4O2
- N-[(E)-{4-[2-(2-Methylphenoxy)ethoxy]phenyl}methylidene]-4H-1,2,4-triazol-4-amine402599-39-7C18H18N4O2
- N-[(E)-{2-[2-(2-Methylphenoxy)ethoxy]phenyl}methylidene]-4H-1,2,4-triazol-4-amine354794-02-8C18H18N4O2
- N-(3-Methoxyphenyl)-5-methyl-1-(3-methylphenyl)-1H-1,2,3-triazole-4-carboxamide878733-82-5C18H18N4O2
- N-(3-Methoxyphenyl)-5-methyl-1-(4-methylphenyl)-1H-1,2,3-triazole-4-carboxamide871323-14-7C18H18N4O2
- N-(2-Methoxyphenyl)-5-methyl-1-(4-methylphenyl)-1H-1,2,3-triazole-4-carboxamide871323-28-3C18H18N4O2
- 1-(4-Methoxyphenyl)-5-methyl-N-(2-methylphenyl)triazole-4-carboxamide878733-76-7C18H18N4O2
- 6-Benzyl-3-((4-ethoxyphenyl)amino)-1,2,4-triazin-5(4H)-one534597-79-0C18H18N4O2
Frequently asked questions
What is the molar mass of C18H18N4O2?
The molar mass of C18H18N4O2 is 322.37 g/mol, calculated from standard atomic weights for 18 carbon atoms, 18 hydrogen atoms, 4 nitrogen atoms and 2 oxygen atoms. The monoisotopic mass is 322.1430 Da.
How many compounds have the formula C18H18N4O2?
CompoundList lists 391 compounds with the molecular formula C18H18N4O2, including Mesocarb, Takinib, (E)-3-(1H-Benzo[d]imidazol-1-yl)-N'-(3-methoxybenzylidene)propanehydrazide. 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 C18H18N4O2?
C18H18N4O2 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.