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 101 to 200 of 391 compounds
![3-[(4-Ethoxyphenyl)amino]-6-(4-methylphenyl)-1,2,4-triazin-5-ol chemical structure, C18H18N4O2, CAS 881432-54-8](/s/UPNYPBKGRUFDOU-UHFFFAOYSA-N.svg)
3-[(4-Ethoxyphenyl)amino]-6-(4-methylphenyl)-1,2,4-triazin-5-ol
CAS 881432-54-8C18H18N4O2
![6-(2-Aminoethylamino)-1,2,3,4-tetrahydronaphtho[3,2-f]quinoxaline-7,12-dione chemical structure, C18H18N4O2, CAS 16013-92-6](/s/IGNNTKYSHZMDMH-UHFFFAOYSA-N.svg)
6-(2-Aminoethylamino)-1,2,3,4-tetrahydronaphtho[3,2-f]quinoxaline-7,12-dione
CAS 16013-92-6C18H18N4O2
N-(4-Methoxyphenyl)-5-methyl-1-(3-methylphenyl)-1H-1,2,3-triazole-4-carboxamide
CAS 866864-52-0C18H18N4O2
![1-(4-Methoxyphenyl)-3-[4-(1H-1,2,4-triazol-1-yl)anilino]-1-propanone chemical structure, C18H18N4O2, CAS 763126-06-3](/s/BFDVZGAYLBNQEN-UHFFFAOYSA-N.svg)
1-(4-Methoxyphenyl)-3-[4-(1H-1,2,4-triazol-1-yl)anilino]-1-propanone
CAS 763126-06-3C18H18N4O2
![[3-(3,5-Dimethylpyrazole-1-carbonyl)phenyl]-(3,5-dimethylpyrazol-1-yl)methanone chemical structure, C18H18N4O2, CAS 70584-06-4](/s/VFFCBYLYNWRGSK-UHFFFAOYSA-N.svg)
[3-(3,5-Dimethylpyrazole-1-carbonyl)phenyl]-(3,5-dimethylpyrazol-1-yl)methanone
CAS 70584-06-4C18H18N4O2
![3-(4-Oxobenzo[d][1,2,3]triazin-3(4H)-yl)-N-phenethylpropanamide chemical structure, C18H18N4O2, CAS 440331-61-3](/s/ISZMNAWQOIYTDA-UHFFFAOYSA-N.svg)
3-(4-Oxobenzo[d][1,2,3]triazin-3(4H)-yl)-N-phenethylpropanamide
CAS 440331-61-3C18H18N4O2
![N'~1~,N'~2~-bis[(E)-1-phenylethylidene]ethanedihydrazide chemical structure, C18H18N4O2, CAS 29816-35-1](/s/WZTXYSAPKCVHNM-IWGRKNQJSA-N.svg)
N'~1~,N'~2~-bis[(E)-1-phenylethylidene]ethanedihydrazide
CAS 29816-35-1C18H18N4O2
![(E)-4-(2-Cyano-2-(6,7,8,9-tetrahydro-5H-[1,2,4]triazolo[4,3-a]azepin-3-yl)vinyl)phenyl acetate chemical structure, C18H18N4O2, CAS 325994-90-9](/s/VZEYQZBYDOKOHE-RVDMUPIBSA-N.svg)
(E)-4-(2-Cyano-2-(6,7,8,9-tetrahydro-5H-[1,2,4]triazolo[4,3-a]azepin-3-yl)vinyl)phenyl acetate
CAS 325994-90-9C18H18N4O2
N-(2-Methoxyphenyl)-5-methyl-1-(3-methylphenyl)-1H-1,2,3-triazole-4-carboxamide
CAS 878733-92-7C18H18N4O2
N-(2-Ethoxyphenyl)-5-methyl-1-phenyl-1H-1,2,3-triazole-4-carboxamide
CAS 871323-11-4C18H18N4O2
![1-(3,4-Dimethylphenyl)-3-[(4-oxo-3H-phthalazin-1-yl)methyl]urea chemical structure, C18H18N4O2, CAS 899952-55-7](/s/CSJRJKXPJXPCNH-UHFFFAOYSA-N.svg)
1-(3,4-Dimethylphenyl)-3-[(4-oxo-3H-phthalazin-1-yl)methyl]urea
CAS 899952-55-7C18H18N4O2
1-(3-Cyano-benzyl)-4-(4-nitro-phenyl)-piperazine
CAS 273727-26-7C18H18N4O2
N-(3-(3-(1-Methyl-1H-indol-3-yl)ureido)phenyl)acetamide
CAS 899753-68-5C18H18N4O2
![N~1~-methyl-2-[4-oxo-3(4H)-quinazolinyl]-N~1~-[2-(2-pyridyl)ethyl]acetamide chemical structure, C18H18N4O2, CAS 951987-79-4](/s/FDAWKLWQSGRFPP-UHFFFAOYSA-N.svg)
N~1~-methyl-2-[4-oxo-3(4H)-quinazolinyl]-N~1~-[2-(2-pyridyl)ethyl]acetamide
CAS 951987-79-4C18H18N4O2
![4-{[1-Phenyl-5-(1H-pyrrol-1-yl)-1H-pyrazol-4-yl]carbonyl}morpholine chemical structure, C18H18N4O2, CAS 1015896-11-3](/s/AJNJSBUFKQGTGJ-UHFFFAOYSA-N.svg)
4-{[1-Phenyl-5-(1H-pyrrol-1-yl)-1H-pyrazol-4-yl]carbonyl}morpholine
CAS 1015896-11-3C18H18N4O2
![N-[(2-Methoxyphenyl)methyl]-1-(4-methylphenyl)-1H-1,2,3-triazole-4-carboxamide chemical structure, C18H18N4O2, CAS 951611-35-1](/s/CNZTYKHHYBXMFI-UHFFFAOYSA-N.svg)
N-[(2-Methoxyphenyl)methyl]-1-(4-methylphenyl)-1H-1,2,3-triazole-4-carboxamide
CAS 951611-35-1C18H18N4O2
3-(1H-Tetrazol-1-yl)phenyl 4-tert-butylbenzoate
CAS 912894-85-0C18H18N4O2
N-(3-(6-Oxopyridazin-1(6H)-yl)propyl)-4-(1H-pyrrol-1-yl)benzamide
CAS 1211421-49-6C18H18N4O2
1-Benzhydryl-3-((3-methyl-1,2,4-oxadiazol-5-yl)methyl)urea
CAS 1234923-13-7C18H18N4O2
1-(4-Aminobenzyl)-N-(4-methoxyphenyl)-1H-imidazole-4-carboxamide
CAS 1351780-07-8C18H18N4O2
1-(4-Aminobenzyl)-N-(3-methoxyphenyl)-1H-imidazole-4-carboxamide
CAS 1351809-48-7C18H18N4O2
(3,4-Dihydroisoquinolin-2(1H)-yl)(1-(pyrazine-2-carbonyl)azetidin-3-yl)methanone
CAS 1396758-68-1C18H18N4O2
1-(6-(1H-Indol-1-yl)pyrimidin-4-yl)piperidine-3-carboxylic acid
CAS 1795083-99-6C18H18N4O2
N-((3-(1-Methyl-1H-pyrrol-2-yl)-1,2,4-oxadiazol-5-yl)methyl)-1-phenylcyclopropanecarboxamide
CAS 2034509-31-2C18H18N4O2
- 4-(1H-Benzimidazol-2-yl)-1-[1-(furan-2-yl)propan-2-yl]-5-imino-2,5-dihydro-1H-pyrrol-3-ol1676072-92-6C18H18N4O2
- Des benzoic Acid Eltrombopag2587607-85-8C18H18N4O2
- 1H-Pyrazole, 1,1'-(1,2-phenylenedicarbonyl)bis(3,5-dimethyl-73815-24-4C18H18N4O2
- N-[(E)-{3-[2-(3-Methylphenoxy)ethoxy]phenyl}methylidene]-4H-1,2,4-triazol-4-amine425425-90-7C18H18N4O2
- N-[(E)-{4-[2-(3-Methylphenoxy)ethoxy]phenyl}methylidene]-4H-1,2,4-triazol-4-amine364736-91-4C18H18N4O2
- N-[(E)-{4-[2-(4-Methylphenoxy)ethoxy]phenyl}methylidene]-4H-1,2,4-triazol-4-amine425627-63-0C18H18N4O2
- (E)-3-[4-Methoxy-3-(pyrazol-1-ylmethyl)phenyl]-1-(1-methylpyrazol-4-yl)prop-2-en-1-one1005698-39-4C18H18N4O2
- 2-Furancarboxamide, N-[2-methyl-4-(1-pyrrolidinyl)-7-quinazolinyl]-646450-87-5C18H18N4O2
- 3-(4-Methoxyphenyl)-2,8-dimethyl-8,9-dihydropyrazolo[5,1-c][1,2,4]benzotriazin-6(7H)-one908520-77-4C18H18N4O2
- 1-(3-Methoxyphenyl)-5-methyl-N-(4-methylphenyl)-1H-1,2,3-triazole-4-carboxamide924840-06-2C18H18N4O2
- 1-(3-Methoxyphenyl)-5-methyl-N-(3-methylphenyl)-1H-1,2,3-triazole-4-carboxamide924840-36-8C18H18N4O2
- 2-(4-Methylphenoxy)-N-[4-(5-methyl-1H-1,2,3-triazol-1-yl)phenyl]acetamide924828-45-5C18H18N4O2
- 1,3-Dimethyl-5-(1,2,3,4-tetrahydroisoquinolin-2-yl)-1H,2H,3H,4H-pyrido[2,3-d]pyrimidine-2,4-dione941972-39-0C18H18N4O2
- N-(4-{[(1-Methyl-1H-indol-3-yl)carbamoyl]amino}phenyl)acetamide899990-55-7C18H18N4O2
- 6-(4-Methylphenyl)-2-(morpholin-4-yl)pyrido[4,3-d]pyrimidin-5-one1030461-71-2C18H18N4O2
- N-{2-[3-(2-Pyridinyl)-1,2,4-oxadiazol-5-yl]phenyl}pentanamide1120280-54-7C18H18N4O2
- 2-(2,3-Dihydro-1-benzofuran-6-yl)-N-(2-[1,2,4]triazolo[4,3-a]pyridin-3-ylethyl)acetamide1441871-24-4C18H18N4O2
- (5-Cyclopropylisoxazol-3-yl)(3-(5-methyl-1H-benzo[d]imidazol-2-yl)azetidin-1-yl)methanone1396794-41-4C18H18N4O2
- N,5-dicyclopropyl-N-(imidazo[1,2-a]pyridin-3-ylmethyl)isoxazole-3-carboxamide1448057-67-7C18H18N4O2
- N-(3-(1H-Imidazol-1-yl)propyl)-3-(pyridin-2-yloxy)benzamide1796971-42-0C18H18N4O2
- 2-[4-(Acetylamino)-1H-indol-1-yl]-N-(4-pyridylmethyl)acetamide1574345-48-4C18H18N4O2
- 4-{6-[(Oxan-4-yl)amino]imidazo[1,2-b]pyridazin-3-yl}benzaldehyde1012345-08-2C18H18N4O2
- 3-Cyano-N-((1r,4r)-4-(pyrazin-2-yloxy)cyclohexyl)benzamide2034451-18-6C18H18N4O2
- 2-(1H-Indol-3-yl)-1-(3-(pyridazin-3-yloxy)pyrrolidin-1-yl)ethanone2034402-72-5C18H18N4O2
- Indolizin-2-yl(3-(pyrazin-2-yloxy)piperidin-1-yl)methanone2034474-21-8C18H18N4O2
- N-(2-Oxo-2-((5R,8S)-6,7,8,9-tetrahydro-5H-5,8-epiminocyclohepta[d]pyrimidin-10-yl)ethyl)benzamide2062349-07-7C18H18N4O2
- 1-(2-Hydroxy-2-phenylethyl)-N-(3-methylphenyl)-1H-1,2,4-triazole-3-carboxamide2108944-15-4C18H18N4O2
- 1-(2-Hydroxy-2-phenylethyl)-N-(4-methylphenyl)-1H-1,2,4-triazole-3-carboxamide2108814-35-1C18H18N4O2
- 1-(2-Hydroxy-2-phenylethyl)-N-(2-methylphenyl)-1H-1,2,4-triazole-3-carboxamide2108489-33-2C18H18N4O2
- Benzeneacetamide, N-(((2-(1H-benzimidazol-1-yl)ethyl)amino)carbonyl)-59337-07-4C18H18N4O2
- 4-(tert-Butyl)-N-(5-(pyridin-2-yl)-1,3,4-oxadiazol-2-yl)benzamide887892-08-2C18H18N4O2
- 4-(tert-Butyl)-N-(5-(pyridin-4-yl)-1,3,4-oxadiazol-2-yl)benzamide887867-52-9C18H18N4O2
- I-Sydnocarb73922-29-9C18H18N4O2
- N'-(2-Methoxybenzylidene)-2,6-dimethylimidazo[1,2-a]pyridine-3-carbohydrazide351339-03-2C18H18N4O2
- N-(2-Ethoxyphenyl)-4-(5-methyl-1H-1,2,3-triazol-1-yl)benzamide915930-22-2C18H18N4O2
- 1-(4-Methoxyphenyl)-N,5-dimethyl-N-phenyl-1H-1,2,3-triazole-4-carboxamide924820-21-3C18H18N4O2
- 1-(2-Methoxyphenyl)-N,5-dimethyl-N-phenyl-1H-1,2,3-triazole-4-carboxamide924833-90-9C18H18N4O2
- 2-(3-Methylphenoxy)-N-[4-(5-methyl-1H-1,2,3-triazol-1-yl)phenyl]acetamide924828-47-7C18H18N4O2
- 4-(3-(1-Ethyl-1H-indol-3-yl)ureido)benzamide922850-46-2C18H18N4O2
- N-Cyclopentyl-5-(furan-2-yl)-1-phenyl-1H-1,2,3-triazole-4-carboxamide950248-29-0C18H18N4O2
- 3-Benzyl-6-morpholinobenzo[d][1,2,3]triazin-4(3H)-one440332-61-6C18H18N4O2
- 4-[(4-Oxo-3,4-dihydro-1,2,3-benzotriazin-3-yl)methyl]-N-(propan-2-yl)benzamide440330-29-0C18H18N4O2
- 2-Morpholin-4-yl-6-(4-phenoxyphenyl)pyrido[4,3-d]pyrimidin-5(6H)-one1030501-09-7C18H18N4O2
- 6-(2-Methylphenyl)-2-(morpholin-4-yl)pyrido[4,3-d]pyrimidin-5(6H)-one1030462-10-2C18H18N4O2
- 4-[4-Oxo-3(4H)-quinazolinyl]-N-(4-pyridylmethyl)butanamide1190257-74-9C18H18N4O2
- 2-(6-Oxo-4-propylpyrimidin-1(6H)-yl)-N-(quinolin-3-yl)acetamide1208673-48-6C18H18N4O2
- 2-Phenoxy-N-(3-phenyl-1H-1,2,4-triazol-5-yl)butanamide1240738-75-3C18H18N4O2
- 2-(Pyridin-2-yloxy)-N-[3-(pyrimidin-2-yloxy)benzyl]ethanamine1260708-94-8C18H18N4O2
- (S)-2-Amino-3-[4-([2,6]naphthyridin-1-ylamino)phenyl] propionic acid methyl ester444087-38-1C18H18N4O2
- N-[3-(2-Methylpropyl)-4-oxo-3,4-dihydroquinazolin-6-yl]pyridine-2-carboxamide1574517-91-1C18H18N4O2
- N-(4-(3,4-Dihydroisoquinolin-2(1H)-yl)but-2-yn-1-yl)-6-oxo-1,6-dihydropyridazine-3-carboxamide1351595-62-4C18H18N4O2
- 1-(6-(1H-Indol-1-yl)pyrimidin-4-yl)piperidine-4-carboxylic acid1788589-59-2C18H18N4O2
- 3-(3-(1H-Benzo[d]imidazol-1-yl)pyrrolidine-1-carbonyl)-1-methylpyridin-2(1H)-one2034513-52-3C18H18N4O2
- Benzyl 3-amino-4-cyano-6,7-dihydro-5H-pyrido[3,4-c]azepine-8(9H)-carboxylate1341039-87-9C18H18N4O2
- 3-((3-Methoxyphenyl)amino)-6-(4-methylbenzyl)-1,2,4-triazin-5(4H)-one898650-37-8C18H18N4O2
- Apatinib metabolite M3-11571081-20-3C18H18N4O2
- Apatinib metabolite M3-21571142-84-1C18H18N4O2
- 3-(4-Methoxyphenyl)-1-methyl-N-(3-pyridylmethyl)-1H-pyrazole-5-carboxamide1017715-43-3C18H18N4O2
- N-(2-Methoxyphenyl)-5-methyl-1-(2-methylphenyl)-1H-1,2,3-triazole-4-carboxamide866866-88-8C18H18N4O2
- 1-(3,4-Dihydro-1H-[1,4]oxazino[4,3-a]benzimidazol-8-yl)-1-methyl-3-phenylurea896068-26-1C18H18N4O2
- N-(1-Benzyl-1H-1,2,4-triazol-3-yl)-2-ethoxybenzamide828297-37-6C18H18N4O2
- N-[(E)-{3-[2-(4-Methylphenoxy)ethoxy]phenyl}methylidene]-4H-1,2,4-triazol-4-amine296245-15-3C18H18N4O2
- d-Sydnocarb78512-16-0C18H18N4O2
- Ethanol, 2-[[2-[(4-phenoxyphenyl)amino]-4-pyrimidinyl]amino]-671225-38-0C18H18N4O2
- N-(3,4-Dimethylphenyl)-3-[3-(pyridin-4-yl)-1,2,4-oxadiazol-5-yl]propanamide900748-25-6C18H18N4O2
- 2-Ethyl-6-(4-methoxyphenyl)-6,7-dihydro[1,2,4]triazolo[5,1-b]quinazolin-8(5H)-one941257-20-1C18H18N4O2
- 2-(3-(1-Ethyl-1H-indol-3-yl)ureido)benzamide899990-96-6C18H18N4O2
- 5-Methyl-2-phenyl-7-(pyrrolidine-1-carbonyl)-2H-pyrazolo[4,3-c]pyridin-3(5H)-one921573-76-4C18H18N4O2
- 6-Methyl-N-[3-(4-oxoquinazolin-3(4H)-yl)propyl]pyridine-3-carboxamide954813-32-2C18H18N4O2
- N-Allyl-5-ethyl-3-oxo-2-phenyl-3,5-dihydro-2H-pyrazolo[4,3-c]pyridine-7-carboxamide921513-76-0C18H18N4O2
- 1,3-Bis(3,4-diaminophenoxy)benzene19484-27-6C18H18N4O2
- 2,2-Dimethyl-N-{2-[3-(pyridin-4-yl)-1,2,4-oxadiazol-5-yl]phenyl}propanamide1120280-50-3C18H18N4O2
- N-(2-(3-(Pyridin-3-yl)-1,2,4-oxadiazol-5-yl)phenyl)pentanamide1119440-31-1C18H18N4O2
- N-(2-(3-(Pyridin-4-yl)-1,2,4-oxadiazol-5-yl)phenyl)pentanamide1119419-02-1C18H18N4O2
- 6-(4-Methoxyphenyl)-2-(pyrrolidin-1-yl)pyrido[4,3-d]pyrimidin-5(6H)-one1087657-94-0C18H18N4O2
- 2-(3-Methyl-4-oxo-3,4-dihydrophthalazin-1-yl)-N-[2-(pyridin-2-yl)ethyl]acetamide1323740-78-8C18H18N4O2
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 3-[(4-Ethoxyphenyl)amino]-6-(4-methylphenyl)-1,2,4-triazin-5-ol, 6-(2-Aminoethylamino)-1,2,3,4-tetrahydronaphtho[3,2-f]quinoxaline-7,12-dione, N-(4-Methoxyphenyl)-5-methyl-1-(3-methylphenyl)-1H-1,2,3-triazole-4-carboxamide. 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.