Molecular formula
C18H17N5O
123 compounds have this formula on CompoundList.
- Molar mass
- 319.37g/mol
- Monoisotopic mass
- 319.1433Da
- Atoms
- 41
- Elements
- 4
- Rings plus double bonds
- 13
The formula C18H17N5O describes a molecule made of 18 carbon atoms, 17 hydrogen atoms, 5 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 × 1867.70%12.011 × 18 = 216.198 g/mol
- H Hydrogen × 175.37%1.008 × 17 = 17.136 g/mol
- N Nitrogen × 521.93%14.007 × 5 = 70.035 g/mol
- O Oxygen × 15.01%15.999 × 1 = 15.999 g/mol
Look up another formula
Compounds with the formula C18H17N5O
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 100 of 123 compounds
3-(1-ME-1H-Pyrrol-2-yl)-N'-(3-PH-2-propenylidene)-1H-pyrazole-5-carbohydrazide
CAS 307975-64-0C18H17N5O
![1-(2,4-Dimethylphenyl)-N-(furan-2-ylmethyl)-1H-pyrazolo[3,4-d]pyrimidin-4-amine chemical structure, C18H17N5O, CAS 393784-52-6](/s/QSXITEMSVQUYHF-UHFFFAOYSA-N.svg)
1-(2,4-Dimethylphenyl)-N-(furan-2-ylmethyl)-1H-pyrazolo[3,4-d]pyrimidin-4-amine
CAS 393784-52-6C18H17N5O
![3-(4-Ethylphenyl)-N-[(E)-pyridin-2-ylmethylideneamino]-1H-pyrazole-5-carboxamide chemical structure, C18H17N5O, CAS 402504-02-3](/s/KSTBYPZYRDPHJC-UDWIEESQSA-N.svg)
3-(4-Ethylphenyl)-N-[(E)-pyridin-2-ylmethylideneamino]-1H-pyrazole-5-carboxamide
CAS 402504-02-3C18H17N5O
3-(1H-1,2,3-Benzotriazol-1-yl)-N'-(3-phenyl-2-propenylidene)propanohydrazide
CAS 326002-09-9C18H17N5O
6-Amino-2-ethyl-8-(3-furyl)-2,3,8,8a-tetrahydro-5,7,7(1H)-isoquinolinetricarbonitrile
CAS 459154-60-0C18H17N5O
![1-Cyclopentyl-2-imino-10-methyl-5-oxo-1,5-dihydro-2H-dipyrido[1,2-a:2,3-d]pyrimidine-3-carbonitrile chemical structure, C18H17N5O, CAS 608121-04-6](/s/QURYEZPKKXTDBY-UHFFFAOYSA-N.svg)
1-Cyclopentyl-2-imino-10-methyl-5-oxo-1,5-dihydro-2H-dipyrido[1,2-a:2,3-d]pyrimidine-3-carbonitrile
CAS 608121-04-6C18H17N5O
Orb2646990
CAS 2710273-81-5C18H17N5O
![2-[(4,7-Dimethylquinazolin-2-yl)amino]-7,8-dihydroquinazolin-5(6H)-one chemical structure, C18H17N5O, CAS 511514-68-4](/s/XQMRAENSVNKCAC-UHFFFAOYSA-N.svg)
2-[(4,7-Dimethylquinazolin-2-yl)amino]-7,8-dihydroquinazolin-5(6H)-one
CAS 511514-68-4C18H17N5O
![2-{6-[4-(Propan-2-Yl)-4H-1,2,4-Triazol-3-Yl]pyridin-2-Yl}-2,3-Dihydro-1H-Isoindol-1-One chemical structure, C18H17N5O, CAS 2093329-75-8](/s/NDBJFFCSTXBTFV-UHFFFAOYSA-N.svg)
2-{6-[4-(Propan-2-Yl)-4H-1,2,4-Triazol-3-Yl]pyridin-2-Yl}-2,3-Dihydro-1H-Isoindol-1-One
CAS 2093329-75-8C18H17N5O
(E)-1-Ethyl-N-(4-(phenyldiazenyl)phenyl)-1H-pyrazole-5-carboxamide
CAS 1173425-07-4C18H17N5O
![N-Methyl-3-[(1-methylindazol-5-yl)methyl]-2H-indazole-5-carboxamide chemical structure, C18H17N5O, CAS 1879980-97-8](/s/ZKGWDQMQMQRGLJ-UHFFFAOYSA-N.svg)
N-Methyl-3-[(1-methylindazol-5-yl)methyl]-2H-indazole-5-carboxamide
CAS 1879980-97-8C18H17N5O
Acetic acid, phenyl-, 2-(5-(p-tolyl)-3-as-triazinyl)hydrazide
CAS 70551-96-1C18H17N5O
(E)-1-Ethyl-N-(4-(phenyldiazenyl)phenyl)-1H-pyrazole-3-carboxamide
CAS 1173355-99-1C18H17N5O
5-(1H-Indol-5-yl)-3-(5-isopropyl-1,3,4-oxadiazol-2-yl)pyridin-2-amine
CAS 1617498-77-7C18H17N5O
![2-(2-Aminopyrimidin-4-yl)-1-benzyl-1H,4H,5H,6H,7H-pyrrolo[3,2-c]pyridin-4-one chemical structure, C18H17N5O, CAS 942425-29-8](/s/CTTKPAKQUBTEOG-UHFFFAOYSA-N.svg)
2-(2-Aminopyrimidin-4-yl)-1-benzyl-1H,4H,5H,6H,7H-pyrrolo[3,2-c]pyridin-4-one
CAS 942425-29-8C18H17N5O
4-Pyrimidinecarboxamide,2-amino-6-(2-methylphenyl)-N-(2-pyridinylmethyl)-
CAS 863548-14-5C18H17N5O
4-Pyrimidinecarboxamide,2-amino-6-(3-methylphenyl)-N-(2-pyridinylmethyl)-
CAS 863548-21-4C18H17N5O
4-Pyrimidinecarboxamide,2-amino-6-(4-methylphenyl)-N-(2-pyridinylmethyl)-
CAS 863548-15-6C18H17N5O
![4-Pyrimidinecarboxamide,2-amino-N-[(3-methyl-2-pyridinyl)methyl]-6-phenyl- chemical structure, C18H17N5O, CAS 863548-24-7](/s/UKTAKBCSHJYUMF-UHFFFAOYSA-N.svg)
4-Pyrimidinecarboxamide,2-amino-N-[(3-methyl-2-pyridinyl)methyl]-6-phenyl-
CAS 863548-24-7C18H17N5O
![2-((9-Methyl-4-oxo-2-(piperidin-1-yl)-4H-pyrido[1,2-a]pyrimidin-3-yl)methylene)malononitrile chemical structure, C18H17N5O, CAS 391890-14-5](/s/HLQCFDCPBUDNST-UHFFFAOYSA-N.svg)
2-((9-Methyl-4-oxo-2-(piperidin-1-yl)-4H-pyrido[1,2-a]pyrimidin-3-yl)methylene)malononitrile
CAS 391890-14-5C18H17N5O
![7-Methyl-2-[(4-methyl-2-quinazolinyl)amino]-7,8-dihydro-5(6H)-quinazolinone chemical structure, C18H17N5O, CAS 836663-18-4](/s/MEXBRPCWMIAFIB-UHFFFAOYSA-N.svg)
7-Methyl-2-[(4-methyl-2-quinazolinyl)amino]-7,8-dihydro-5(6H)-quinazolinone
CAS 836663-18-4C18H17N5O
![7-(1H-Imidazol-1-yl)-3-(2-methoxyphenyl)-2,5-dimethylpyrazolo[1,5-a]pyrimidine chemical structure, C18H17N5O, CAS 902016-81-3](/s/UECHGBSKJXTKIM-UHFFFAOYSA-N.svg)
7-(1H-Imidazol-1-yl)-3-(2-methoxyphenyl)-2,5-dimethylpyrazolo[1,5-a]pyrimidine
CAS 902016-81-3C18H17N5O
(E)-3-(4-Ethylphenyl)-N'-(pyridin-3-ylmethylene)-1H-pyrazole-5-carbohydrazide
CAS 403650-69-1C18H17N5O
N-(2-Methylphenyl)-N'-(6-oxo-4-phenyl-1,6-dihydro-2-pyrimidinyl)guanidine
CAS 925194-03-2C18H17N5O
- 2-[(4,8-Dimethylquinazolin-2-yl)amino]-7,8-dihydroquinazolin-5(6H)-one714933-19-4C18H17N5O
- N-[(E)-(3,5-Dimethyl-1-phenylpyrazol-4-yl)methylideneamino]pyridine-2-carboxamide304905-75-7C18H17N5O
- 4-{6-[(Oxan-4-yl)amino]imidazo[1,2-b]pyridazin-3-yl}benzonitrile927432-56-2C18H17N5O
- N-[2-(4-Pyridyl)ethyl]-3-(2-pyrimidinylamino)benzamide1401592-58-2C18H17N5O
- N-[2-(1H-1,3-Benzimidazol-2-yl)ethyl]-1-methyl-1H-indazole-3-carboxamide1574317-22-8C18H17N5O
- 3-[6-Methyl-4-(morpholin-4-yl)-7H-pyrrolo[2,3-d]pyrimidin-5-yl]benzonitrile1527473-31-9C18H17N5O
- (7,8-Dihydropyrido[4,3-d]pyrimidin-6(5H)-yl)(5-methyl-1-phenyl-1H-pyrazol-4-yl)methanone1797874-96-4C18H17N5O
- 8-(2-Methoxybenzyl)-5-methyl-7,8-dihydro-6H-pyrazolo[1,5-a]pyrrolo[3,2-e]pyrimidine-3-carbonitrile860610-70-4C18H17N5O
- 4-Methyl-2-[(6-methylquinazolin-2-yl)amino]-6,7,8-trihydroquinazolin-5-one1030553-58-2C18H17N5O
- 2-(2-(4-Hydroxypiperidin-1-yl)-1H-benzo[d]imidazol-1-yl)nicotinonitrile1314356-29-0C18H17N5O
- 2-(2-(3-Hydroxypiperidin-1-yl)-1H-benzo[d]imidazol-1-yl)nicotinonitrile1314355-35-5C18H17N5O
- 1-Methyl-N-(2-[1,2,4]triazolo[4,3-a]pyridin-3-ylethyl)-1H-indole-4-carboxamide1436002-80-0C18H17N5O
- 2-(1H-Indol-1-yl)-N-(2-[1,2,4]triazolo[4,3-a]pyridin-3-ylethyl)acetamide1574325-12-4C18H17N5O
- N-[2-(Pyridin-4-yl)ethyl]-4-(pyrimidin-2-ylamino)benzamide1401534-25-5C18H17N5O
- 1-Methyl-N-(2-[1,2,4]triazolo[4,3-a]pyridin-3-ylethyl)-1H-indole-5-carboxamide1435978-97-4C18H17N5O
- 1-(3-(4-Phenyl-1H-1,2,3-triazol-1-yl)azetidin-1-yl)-2-(pyridin-3-yl)ethanone2034266-29-8C18H17N5O
- N-Cyclopropyl-3-[4-(2-pyridinylamino)phenoxy]-2-pyrazinamine1231921-55-3C18H17N5O
- N-(2,3-Dihydro-1H-inden-2-yl)-4-methyl-3-(1H-tetrazol-1-yl)benzamide1219568-72-5C18H17N5O
- N-(2-(3,5-Dimethyl-1H-pyrazol-1-yl)pyrimidin-5-yl)cinnamamide1421586-50-6C18H17N5O
- 5-(1H-Pyrazol-1-yl)-2-(6-(1,2,3,6-tetrahydropyridin-4-yl)pyridazin-3-yl)phenol1562335-13-0C18H17N5O
- 2-Amino-4-(4-methoxyphenyl)-6-(1-pyrrolidinyl)-3,5-pyridinedicarbonitrile77034-28-7C18H17N5O
- N-(Furan-2-ylmethyl)-5,6-dimethyl-7-(pyridin-3-yl)-7H-pyrrolo[2,3-d]pyrimidin-4-amine903869-98-7C18H17N5O
- N-[3-([1,2,4]Triazolo[4,3-a]pyridin-3-yl)propyl]-1H-indole-2-carboxamide1190286-81-7C18H17N5O
- N-(2-Methyl-5-(methylamino)phenyl)-N-(4-(pyridin-3-yl)pyrimidin-2-yl)formamide1256080-09-7C18H17N5O
- N-(1H-Indol-6-yl)-1,3,6-trimethyl-1H-pyrazolo[3,4-b]pyridine-4-carboxamide1282142-20-4C18H17N5O
- N-(1H-Indol-5-yl)-1,3,6-trimethyl-1H-pyrazolo[3,4-b]pyridine-4-carboxamide1324058-06-1C18H17N5O
- 3,4-Dihydroisoquinolin-2(1H)-yl[3-(5-methyl-1H-tetrazol-1-yl)phenyl]methanone1324065-32-8C18H17N5O
- 3,4-Dihydroisoquinolin-2(1H)-yl[4-(5-methyl-1H-tetrazol-1-yl)phenyl]methanone1324070-40-7C18H17N5O
- 2,5-Dimethyl-7-phenethylpyrido[3,4-e][1,2,4]triazolo[1,5-a]pyrimidin-6(7H)-one1374513-92-4C18H17N5O
- N-(2-Methoxyethyl)-3-(quinolin-8-yl)imidazo[1,2-b]pyridazin-6-amine1012343-92-8C18H17N5O
- 2-(1-Methyl-1H-indol-3-yl)-N-([1,2,4]triazolo[4,3-a]pyridin-3-ylmethyl)acetamide1401604-39-4C18H17N5O
- N-[2-(Pyridin-2-yl)ethyl]-4-(pyrimidin-2-ylamino)benzamide1401561-42-9C18H17N5O
- N-(1H-Indol-4-yl)-1,3,6-trimethyl-1H-pyrazolo[3,4-b]pyridine-4-carboxamide1435980-42-9C18H17N5O
- (4-((1H-Imidazol-1-yl)methyl)phenyl)(7,8-dihydropyrido[4,3-d]pyrimidin-6(5H)-yl)methanone1797712-56-1C18H17N5O
- (3-(4-Phenyl-1H-1,2,3-triazol-1-yl)pyrrolidin-1-yl)(pyridin-3-yl)methanone2034557-88-3C18H17N5O
- (3-(4-Phenyl-1H-1,2,3-triazol-1-yl)pyrrolidin-1-yl)(pyridin-2-yl)methanone2034290-30-5C18H17N5O
- 2-(1-Azidopropyl)-6-methyl-3-phenyl-4H-pyrido[1,2-a]pyrimidin-4-one1262441-48-4C18H17N5O
- 6-(Pyrrolidin-1-yl)-N-(quinolin-8-yl)pyrimidine-4-carboxamide1905143-99-8C18H17N5O
- (2-Cyclopropyl-6,7-dihydropyrazolo[1,5-a]pyrazin-5(4H)-yl)(quinoxalin-2-yl)methanone2034293-50-8C18H17N5O
- (4-(1H-Pyrrol-1-yl)phenyl)(3-(pyrimidin-2-ylamino)azetidin-1-yl)methanone2034302-97-9C18H17N5O
- (4-Methylquinolin-6-yl)(3-(pyrimidin-2-ylamino)azetidin-1-yl)methanone2319785-85-6C18H17N5O
- (4-(1-Methyl-1H-pyrazol-4-yl)-3,4-dihydroisoquinolin-2(1H)-yl)(pyrazin-2-yl)methanone2319786-15-5C18H17N5O
- (2E)-3-Phenyl-N-{2-[2-(pyrazin-2-yl)-1H-imidazol-1-yl]ethyl}prop-2-enamide2035007-11-3C18H17N5O
- N-[(5-Cyclopropylpyridin-3-yl)methyl]-2-phenyl-2H-1,2,3-triazole-4-carboxamide2034569-53-2C18H17N5O
- N-[(6-Cyclopropylpyrimidin-4-yl)methyl]-3-(1H-pyrazol-1-yl)benzamide2176152-28-4C18H17N5O
- 5-[(e)-(2-Methoxyphenyl)diazenyl]-4-methyl-6-phenylpyrimidin-2-amine27961-95-1C18H17N5O
- 7-(Furan-2-ylmethyl)-5,6-dimethyl-N-(pyridin-3-yl)-7H-pyrrolo[2,3-d]pyrimidin-4-amine902036-43-5C18H17N5O
- 7-(tert-Butyl)-2-phenylpyrido[3,4-e][1,2,4]triazolo[1,5-a]pyrimidin-6(7H)-one941258-76-0C18H17N5O
- N-(Furan-2-ylmethyl)-5,6-dimethyl-7-(pyridin-2-yl)-7H-pyrrolo[2,3-d]pyrimidin-4-amine903204-89-7C18H17N5O
- 7-(4-Isopropylphenyl)-2-methylpyrido[3,4-e][1,2,4]triazolo[1,5-a]pyrimidin-6(7H)-one1087658-06-7C18H17N5O
- 7-(4-Isopropylphenyl)-8-methylpyrido[3,4-e][1,2,4]triazolo[1,5-a]pyrimidin-6(7H)-one1158738-13-6C18H17N5O
- 1-(3-(1-(1-Methyl-1H-indazol-5-yl)ethyl)imidazo[1,2-b]pyridazin-6-yl)ethanone1266238-38-3C18H17N5O
- 4-([1,2,4]Triazolo[4,3-a]pyridin-3-yl)-N-(1H-indol-5-yl)butanamide1351681-38-3C18H17N5O
- 4-([1,2,4]Triazolo[4,3-a]pyridin-3-yl)-N-(1H-indol-6-yl)butanamide1351699-89-2C18H17N5O
- 1-Methyl-N-[2-([1,2,4]triazolo[4,3-a]pyridin-3-yl)ethyl]-1H-indole-6-carboxamide1435980-56-5C18H17N5O
- 1-(2-Methylphenyl)-3-{[3-(pyridin-3-yl)pyrazin-2-yl]methyl}urea2034300-74-6C18H17N5O
- N-[(6-Cyclopropylpyridin-3-yl)methyl]-2-phenyl-2H-1,2,3-triazole-4-carboxamide2097861-13-5C18H17N5O
- 6-(4-{[(4-Cyanopyridin-2-yl)oxy]methyl}piperidin-1-yl)pyridine-3-carbonitrile2415621-88-2C18H17N5O
- 3-[[1-[(1-Methylpyrazol-4-yl)methyl]aziridin-2-yl]methoxy]quinoline-6-carbonitrile2411218-96-5C18H17N5O
- 2-[1-(Pyrimidine-4-carbonyl)piperidin-4-yl]-1,8-naphthyridine2640974-55-4C18H17N5O
- 5-(3,4-Dimethylphenyl)-1H-pyrazole-3-carboxylic acid 2-(3-pyridinylmethylene)hydrazide1037643-61-0C18H17N5O
- 3-Phenyl-2-[4-(pyrimidin-2-yl)piperazine-1-carbonyl]prop-2-enenitrile722484-16-4C18H17N5O
- (4-(Pyrimidin-2-yl)piperazin-1-yl)(quinolin-2-yl)methanone871924-02-6C18H17N5O
- 4-(1-(6-(1-Methyl-1H-pyrazol-4-yl)imidazo[1,2-b]pyridazin-3-yl)ethyl)phenol1185766-03-3C18H17N5O
- 1H-Pyrazole-1-acetamide, 4-methyl-N-[4-(2-phenyldiazenyl)phenyl]-1390851-87-2C18H17N5O
- (2-Methyl-5-((8-methylquinazolin-2-yl)amino)-1H-benzo[d]imidazol-7-yl)methanol1169789-81-4C18H17N5O
- 1H-Pyrazole-1-acetamide, alpha-methyl-N-[4-(2-phenyldiazenyl)phenyl]-1390780-45-6C18H17N5O
- 2-(6-(Tetrahydro-2H-pyran-4-ylamino)imidazo[1,2-b]pyridazin-3-yl)benzonitrile1012345-24-2C18H17N5O
- 3-(6-(Tetrahydro-2H-pyran-4-ylamino)imidazo[1,2-b]pyridazin-3-yl)benzonitrile1012345-15-1C18H17N5O
- 2-((1H-Indol-5-yl)amino)-8-isopropylpyrido[2,3-d]pyrimidin-7(8H)-one352361-17-2C18H17N5O
- 3-Methyl-4-morpholino-1-phenyl-1H-pyrazolo[3,4-b]pyridine-6-carbonitrile2095099-35-5C18H17N5O
- 2-[1-(6-Methylpyrimidin-4-yl)azetidin-3-yl]-6-phenyl-2,3-dihydropyridazin-3-one2380080-15-7C18H17N5O
- 2-[1-(4-Methylpyrimidin-2-yl)azetidin-3-yl]-6-phenyl-2,3-dihydropyridazin-3-one2380178-18-5C18H17N5O
- 3-(3-{[(4-Cyanopyridin-2-yl)oxy]methyl}piperidin-1-yl)pyridine-2-carbonitrile2380101-17-5C18H17N5O
- 6-Cyclopropyl-N-(3-methyl-1-phenyl-1H-pyrazol-5-yl)pyrimidine-4-carboxamide2415571-97-8C18H17N5O
- 2-(3-{[(4-Cyanopyridin-2-yl)oxy]methyl}piperidin-1-yl)pyridine-3-carbonitrile2415466-57-6C18H17N5O
Frequently asked questions
What is the molar mass of C18H17N5O?
The molar mass of C18H17N5O is 319.37 g/mol, calculated from standard atomic weights for 18 carbon atoms, 17 hydrogen atoms, 5 nitrogen atoms and 1 oxygen atom. The monoisotopic mass is 319.1433 Da.
How many compounds have the formula C18H17N5O?
CompoundList lists 123 compounds with the molecular formula C18H17N5O, including 3-(1-ME-1H-Pyrrol-2-yl)-N'-(3-PH-2-propenylidene)-1H-pyrazole-5-carbohydrazide, 1-(2,4-Dimethylphenyl)-N-(furan-2-ylmethyl)-1H-pyrazolo[3,4-d]pyrimidin-4-amine, 3-(4-Ethylphenyl)-N-[(E)-pyridin-2-ylmethylideneamino]-1H-pyrazole-5-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 C18H17N5O?
C18H17N5O has a degree of unsaturation of 13. 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.