Molecular formula
C18H21N5
104 compounds have this formula on CompoundList.
- Molar mass
- 307.40g/mol
- Monoisotopic mass
- 307.1797Da
- Atoms
- 44
- Elements
- 3
- Rings plus double bonds
- 11
The formula C18H21N5 describes a molecule made of 18 carbon atoms, 21 hydrogen atoms and 5 nitrogen 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 × 1870.33%12.011 × 18 = 216.198 g/mol
- H Hydrogen × 216.89%1.008 × 21 = 21.168 g/mol
- N Nitrogen × 522.78%14.007 × 5 = 70.035 g/mol
Look up another formula
Compounds with the formula C18H21N5
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 100 of 104 compounds
(R)-Zinc-3573
CAS 2089389-15-9C18H21N5
8-Methyl-6-(4-methyl-1-piperazinyl)-11H-pyrido(2,3-b)(1,4)benzodiazepine
CAS 147395-65-1C18H21N5
![N-Cycloheptyl-1-phenyl-1H-pyrazolo[3,4-d]pyrimidin-4-amine chemical structure, C18H21N5, CAS 393820-08-1](/s/CRKSOICWJFYCCX-UHFFFAOYSA-N.svg)
N-Cycloheptyl-1-phenyl-1H-pyrazolo[3,4-d]pyrimidin-4-amine
CAS 393820-08-1C18H21N5
![N-Cyclohexyl-1-(3-methylphenyl)pyrazolo[3,4-d]pyrimidin-4-amine chemical structure, C18H21N5, CAS 393784-43-5](/s/LVCYPOWUAJICJV-UHFFFAOYSA-N.svg)
N-Cyclohexyl-1-(3-methylphenyl)pyrazolo[3,4-d]pyrimidin-4-amine
CAS 393784-43-5C18H21N5
(S)-Zinc-5373
CAS 2095596-11-3C18H21N5
![3-Amino-5-(2-diethylamino-ethyl)-5H-pyrido[4,3-b]indole-4-carbonitrile chemical structure, C18H21N5, CAS 371129-59-8](/s/YEVMYZBKILWGFV-UHFFFAOYSA-N.svg)
3-Amino-5-(2-diethylamino-ethyl)-5H-pyrido[4,3-b]indole-4-carbonitrile
CAS 371129-59-8C18H21N5
![4-(4-Benzylpiperidin-1-yl)-1-methylpyrazolo[3,4-d]pyrimidine chemical structure, C18H21N5, CAS 861211-59-8](/s/HNDXZWKMORMHRA-UHFFFAOYSA-N.svg)
4-(4-Benzylpiperidin-1-yl)-1-methylpyrazolo[3,4-d]pyrimidine
CAS 861211-59-8C18H21N5
![5-{[(E)-Azepan-1-ylmethylidene]amino}-1-(4-methylphenyl)-1H-pyrazole-4-carbonitrile chemical structure, C18H21N5, CAS 956266-83-4](/s/NRIDBKMYRRMJJH-XSFVSMFZSA-N.svg)
5-{[(E)-Azepan-1-ylmethylidene]amino}-1-(4-methylphenyl)-1H-pyrazole-4-carbonitrile
CAS 956266-83-4C18H21N5
![4-(3-Methylpiperidin-1-yl)-1-(m-tolyl)-1H-pyrazolo[3,4-d]pyrimidine chemical structure, C18H21N5, CAS 393845-23-3](/s/XWUYGKWBNUXLKT-UHFFFAOYSA-N.svg)
4-(3-Methylpiperidin-1-yl)-1-(m-tolyl)-1H-pyrazolo[3,4-d]pyrimidine
CAS 393845-23-3C18H21N5
Hoechst-8208
CAS 77572-84-0C18H21N5
![Cyclohexylmethyl-[4-(1H-pyrrolo[2,3-b]pyridin-3-yl)pyrimidin-2-yl]amine chemical structure, C18H21N5, CAS 866545-68-8](/s/KEBXAEFZLCNLJJ-UHFFFAOYSA-N.svg)
Cyclohexylmethyl-[4-(1H-pyrrolo[2,3-b]pyridin-3-yl)pyrimidin-2-yl]amine
CAS 866545-68-8C18H21N5
Bam-1110
CAS 105579-47-3C18H21N5
N1-(7-(4-(dimethylamino)phenyl)-1,6-naphthyridin-5-yl)ethane-1,2-diamine
CAS 562050-20-8C18H21N5
(R/S)-ZINC-3573
CAS 1378183-16-4C18H21N5
2-(3,5-Dimethyl-1H-pyrazol-1-yl)-N-(3,5-dimethylphenyl)-6-methylpyrimidin-4-amine
CAS 1004384-72-8C18H21N5
![4-(Azepan-1-yl)-1-(2-methylphenyl)-1H-pyrazolo[3,4-d]pyrimidine chemical structure, C18H21N5, CAS 946202-64-8](/s/WTJRIQRQLVQXMY-UHFFFAOYSA-N.svg)
4-(Azepan-1-yl)-1-(2-methylphenyl)-1H-pyrazolo[3,4-d]pyrimidine
CAS 946202-64-8C18H21N5
![3-Methyl-6-(4-methylpiperazin-1-yl)-11H-pyrido[2,3-b][1,4]benzodiazepine chemical structure, C18H21N5, CAS 149744-24-1](/s/XLWWTPXFRQGJOE-UHFFFAOYSA-N.svg)
3-Methyl-6-(4-methylpiperazin-1-yl)-11H-pyrido[2,3-b][1,4]benzodiazepine
CAS 149744-24-1C18H21N5
![2-[2-(4-Pyridin-2-ylpiperazin-1-yl)ethyl]-1H-benzimidazole chemical structure, C18H21N5, CAS 767287-51-4](/s/SGQINIGEEAYUDC-UHFFFAOYSA-N.svg)
2-[2-(4-Pyridin-2-ylpiperazin-1-yl)ethyl]-1H-benzimidazole
CAS 767287-51-4C18H21N5
![4-Piperidinemethanamine,a-phenyl-1-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)- chemical structure, C18H21N5, CAS 885594-17-2](/s/QZUZDXQRPMHXBK-UHFFFAOYSA-N.svg)
4-Piperidinemethanamine,a-phenyl-1-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-
CAS 885594-17-2C18H21N5
![N-Cyclohexyl-N-methyl-1-phenyl-1H-pyrazolo[3,4-d]pyrimidin-4-amine chemical structure, C18H21N5, CAS 393844-87-6](/s/STMPYSRJZZHYLQ-UHFFFAOYSA-N.svg)
N-Cyclohexyl-N-methyl-1-phenyl-1H-pyrazolo[3,4-d]pyrimidin-4-amine
CAS 393844-87-6C18H21N5
![1-(2-Methylphenyl)-4-(4-methylpiperidin-1-yl)-1H-pyrazolo[3,4-d]pyrimidine chemical structure, C18H21N5, CAS 946272-85-1](/s/SWLWQMCYAZPDOT-UHFFFAOYSA-N.svg)
1-(2-Methylphenyl)-4-(4-methylpiperidin-1-yl)-1H-pyrazolo[3,4-d]pyrimidine
CAS 946272-85-1C18H21N5
![5-Methyl-7-(4-methylpiperazin-1-yl)-3-phenylpyrazolo[1,5-a]pyrimidine chemical structure, C18H21N5, CAS 850188-72-6](/s/UTEUIRVCHFFWSR-UHFFFAOYSA-N.svg)
5-Methyl-7-(4-methylpiperazin-1-yl)-3-phenylpyrazolo[1,5-a]pyrimidine
CAS 850188-72-6C18H21N5
![4-[6-(4-Isopropylpiperazin-1-yl)pyridazin-3-yl]benzonitrile chemical structure, C18H21N5, CAS 837396-37-9](/s/DJBYOQBSOYEGOM-UHFFFAOYSA-N.svg)
4-[6-(4-Isopropylpiperazin-1-yl)pyridazin-3-yl]benzonitrile
CAS 837396-37-9C18H21N5
![1-(3,4-Dimethylphenyl)-4-(piperidin-1-yl)-1H-pyrazolo[3,4-d]pyrimidine chemical structure, C18H21N5, CAS 872623-00-2](/s/ALUKUPRIOUFISF-UHFFFAOYSA-N.svg)
1-(3,4-Dimethylphenyl)-4-(piperidin-1-yl)-1H-pyrazolo[3,4-d]pyrimidine
CAS 872623-00-2C18H21N5
- 1-(3,5-Dimethylphenyl)-4-(piperidin-1-yl)-1H-pyrazolo[3,4-d]pyrimidine955320-23-7C18H21N5
- Cyclohexylmethyl-(2-imidazol-1-yl-quinazolin-4-yl)-amine752957-99-6C18H21N5
- 4-{2-[4-(Propan-2-yl)piperazin-1-yl]pyrimidin-5-yl}benzonitrile919493-81-5C18H21N5
- 2-(3,5-Dimethyl-1H-pyrazol-1-yl)-N-(2,4-dimethylphenyl)-6-methylpyrimidin-4-amine1019106-79-6C18H21N5
- 6-Methyl-1-phenyl-6-(2-phenylethyl)-1,3,5-triazine-2,4-diamine15483-02-0C18H21N5
- [1-(2,4-Dimethylphenyl)pyrazolo[4,5-e]pyrimidin-4-yl]cyclopentylamine797765-27-6C18H21N5
- 1-(2,5-Dimethylphenyl)-4-(piperidin-1-yl)-1H-pyrazolo[3,4-d]pyrimidine1005308-06-4C18H21N5
- 6-(4-Benzylpiperidin-1-yl)-3-methyl[1,2,4]triazolo[4,3-b]pyridazine1081147-26-3C18H21N5
- 4-(4-Benzyl-6-methyl-pyrimidin-2-ylamino)-piperidine-1-carbonitrile1329672-64-1C18H21N5
- N-(2-Methylpropyl)-2'-(2H-tetrazol-5-yl)[1,1'-biphenyl]-4-methanamine1266616-11-8C18H21N5
- Ergoline, 6-methyl-8-(1H-1,2-triazol-1-ylmethyl)-, (8-alpha)-115178-30-8C18H21N5
- 3,4-Dimethyl-1-phenyl-6-piperazin-1-yl-1H-pyrazolo[3,4-b]pyridine1017190-22-5C18H21N5
- Cyclohexyl-(2-indazol-1-yl-6-methyl-pyrimidin-4-yl)-amine1018474-64-0C18H21N5
- 4-(1S,4S)-2,5-Diazabicyclo[2.2.1]hept-2-yl-6,7-dihydro-5H-benzo[6,7]cyclohepta[1,2-d]pyrimidin-2-amine1027330-99-9C18H21N5
- N-Benzyl-9-cyclohexyl-9H-purin-6-amine42240-63-1C18H21N5
- 2-{1-[2-(1H-Pyrazol-1-yl)ethyl]piperidin-4-yl}-1,8-naphthyridine2640952-78-7C18H21N5
- 1-(2,3-Dimethylphenyl)-4-{pyrazolo[1,5-a]pyrazin-4-yl}piperazine2640819-06-1C18H21N5
- 2-(3,5-Dimethyl-pyrazol-1-yl)-4-piperidin-1-yl-quinazoline910465-76-8C18H21N5
- N-{3-Benzyl-3H-imidazo[4,5-b]pyridin-2-yl}piperidin-4-amine76031-50-0C18H21N5
- 1-Benzyl-4-{3-methyl-3H-imidazo[4,5-b]pyridin-2-yl}piperazine1042154-06-2C18H21N5
- 6-(4-Ethylphenyl)-2-(4-methyl-1-piperazinyl)-4-pyrimidinecarbonitrile1182137-88-7C18H21N5
- 3,4-Dimethyl-2-(4-methylphenyl)-7-(1-pyrrolidinyl)-2H-pyrazolo[3,4-d]pyridazine1201912-22-2C18H21N5
- 3-{4-[(2,6-Dimethylphenyl)methyl]piperazin-1-yl}pyrazine-2-carbonitrile918481-47-7C18H21N5
- 2-(9-Benzyl-9H-purin-6-yl)-N,N-diethylethen-1-amine920503-60-2C18H21N5
- 4-(1H-Indazol-3-yl)-N-((1-methylpyrrolidin-3-yl)methyl)pyridin-2-amine1627190-58-2C18H21N5
- 6-(3,4-Dimethylphenyl)-3-(piperidin-3-yl)-[1,2,4]triazolo[4,3-b]pyridazine1706432-95-2C18H21N5
- N-[2-(Dimethylamino)-2-(4-methylphenyl)ethyl]pyrido[2,3-d]pyrimidin-4-amine2380056-84-6C18H21N5
- N-[2-(Dimethylamino)-2-(4-methylphenyl)ethyl]pyrido[3,4-d]pyrimidin-4-amine2379951-86-5C18H21N5
- 2-Cyclopropyl-1-{1-[(1-methyl-1H-pyrazol-4-yl)methyl]azetidin-3-yl}-1H-1,3-benzodiazole2380087-45-4C18H21N5
- 2-Cyclopropyl-1-{1-[(1-methyl-1H-imidazol-5-yl)methyl]azetidin-3-yl}-1H-1,3-benzodiazole2380080-30-6C18H21N5
- 1-[1-(6-Methylpyrimidin-4-yl)azetidin-3-yl]-2-(propan-2-yl)-1H-1,3-benzodiazole2415582-77-1C18H21N5
- 1-[1-(5-Methylpyrimidin-2-yl)azetidin-3-yl]-2-(propan-2-yl)-1H-1,3-benzodiazole2415502-79-1C18H21N5
- 1-[1-(4-Methylpyrimidin-2-yl)azetidin-3-yl]-2-(propan-2-yl)-1H-1,3-benzodiazole2415582-89-5C18H21N5
- 2-tert-Butyl-1-[1-(pyrimidin-2-yl)azetidin-3-yl]-1H-1,3-benzodiazole2415624-11-0C18H21N5
- 2-tert-Butyl-1-[1-(pyrazin-2-yl)azetidin-3-yl]-1H-1,3-benzodiazole2415624-40-5C18H21N5
- 1-(2,3-Dimethylphenyl)-4-{imidazo[1,2-a]pyrazin-8-yl}piperazine2877653-11-5C18H21N5
- 1-{Imidazo[1,2-a]pyrazin-8-yl}-4-(2-phenylethyl)piperazine2877653-61-5C18H21N5
- (E)-2-(9-Benzyl-9H-purin-6-yl)-N,N-diethylethenamineC18H21N5
- N-(4-Methylcyclohexyl)-1-phenyl-1H-pyrazolo[3,4-b]pyrazin-5-amine87594-86-3C18H21N5
- 3-(3-Ethylphenyl)-6-(piperidin-1-yl)[1,2,4]triazolo[4,3-b]pyridazine596824-47-4C18H21N5
- 6-(3,4-Dimethylphenyl)-3-(piperidin-4-yl)-[1,2,4]triazolo[4,3-b]pyridazine1290734-63-2C18H21N5
- N1,N1-Dimethyl-N3-(7-(pyridin-2-yl)-1,6-naphthyridin-5-yl)propane-1,3-diamine1381719-48-7C18H21N5
- 6-(3,4-Dimethylphenyl)-3-(piperidin-2-yl)-[1,2,4]triazolo[4,3-b]pyridazine1706459-18-8C18H21N5
- 4-Benzyl-1-{3-methyl-[1,2,4]triazolo[4,3-a]pyrazin-8-yl}piperidine2327521-62-8C18H21N5
- 1-(2,3-Dimethylphenyl)-4-{pyrazolo[1,5-a]pyrimidin-5-yl}piperazine2741923-06-6C18H21N5
- 1-[6-(Dimethylamino)pyrimidin-4-yl]-4-phenylpiperidine-4-carbonitrile2742064-27-1C18H21N5
- 6-Methyl-2-{4-[methyl(pyridin-2-yl)amino]piperidin-1-yl}pyridine-3-carbonitrile2742056-30-8C18H21N5
- 1-{3-Methyl-3H-imidazo[4,5-b]pyridin-2-yl}-4-(2-methylphenyl)piperazine2640935-57-3C18H21N5
- 1-(2-Methylphenyl)-4-{2-methylpyrazolo[1,5-a]pyrazin-4-yl}piperazine2640949-00-2C18H21N5
- 2,4-Dimethyl-7-{3-[(2-methyl-1H-imidazol-1-yl)methyl]azetidin-1-yl}-1,8-naphthyridine2640819-59-4C18H21N5
- 4-{3-[Methyl(5-methylpyrimidin-2-yl)amino]piperidin-1-yl}benzonitrile2741958-68-7C18H21N5
- 4-Phenyl-1-({5H,6H,7H-pyrrolo[2,1-c][1,2,4]triazol-3-yl}methyl)piperidine-4-carbonitrile2742059-00-1C18H21N5
- N-[1-(1H-1,3-Benzodiazol-2-yl)piperidin-4-yl]-N-methylpyridin-2-amine2741955-59-7C18H21N5
- 2-{3-[(2-Ethyl-1H-imidazol-1-yl)methyl]azetidin-1-yl}-3-methylquinoxaline2742021-24-3C18H21N5
- 2-{3-[(2-Ethyl-1H-imidazol-1-yl)methyl]azetidin-1-yl}-5H,6H,7H-cyclopenta[b]pyridine-3-carbonitrile2742045-44-7C18H21N5
- 2-(3-{[2-(Propan-2-yl)-1H-imidazol-1-yl]methyl}azetidin-1-yl)quinoxaline2742061-99-8C18H21N5
- 4-(3-{[2-(Propan-2-yl)-1H-imidazol-1-yl]methyl}azetidin-1-yl)quinazoline2742038-93-1C18H21N5
- 2-Cyclopropyl-4-[5-(pyridin-2-yl)-octahydropyrrolo[3,4-c]pyrrol-2-yl]pyrimidine2770587-21-6C18H21N5
- 4-Cyclopropyl-6-[5-(pyridin-2-yl)-octahydropyrrolo[3,4-c]pyrrol-2-yl]pyrimidine2770625-38-0C18H21N5
- 1-(2,4-Dimethylphenyl)-4-{pyrazolo[1,5-a]pyrimidin-5-yl}piperazine2770643-90-6C18H21N5
- 2-[3-Azido-1-(diphenylmethyl)azetidin-3-yl]ethan-1-amine2137654-32-9C18H21N5
- 4-({3-[(4-Methylpyrimidin-2-yl)amino]piperidin-1-yl}methyl)benzonitrile3030789-58-0C18H21N5
- 4-({3-[(6-Methylpyrimidin-4-yl)amino]piperidin-1-yl}methyl)benzonitrile3030738-72-5C18H21N5
- 2-({3-[(4-Methylpyrimidin-2-yl)amino]piperidin-1-yl}methyl)benzonitrile3054596-94-7C18H21N5
- 3-({3-[Methyl(6-methylpyrimidin-4-yl)amino]pyrrolidin-1-yl}methyl)benzonitrile3054569-41-1C18H21N5
- 4-({3-[Methyl(6-methylpyrimidin-4-yl)amino]pyrrolidin-1-yl}methyl)benzonitrile3030812-91-7C18H21N5
- 2-{3-[Methyl(4-methylpyrimidin-2-yl)amino]piperidin-1-yl}benzonitrile3054605-37-4C18H21N5
- 2-{3-[Methyl(6-methylpyrimidin-4-yl)amino]piperidin-1-yl}benzonitrile3054550-46-5C18H21N5
- 4-({[1-(5,6-Dimethylpyrimidin-4-yl)azetidin-3-yl](methyl)amino}methyl)benzonitrile3054563-44-6C18H21N5
- 3-({[1-(5,6-Dimethylpyrimidin-4-yl)azetidin-3-yl](methyl)amino}methyl)benzonitrile3054551-36-6C18H21N5
- 3-({3-[(6-Methylpyrimidin-4-yl)amino]piperidin-1-yl}methyl)benzonitrile3054615-08-3C18H21N5
- 3-({3-[(4-Methylpyrimidin-2-yl)amino]piperidin-1-yl}methyl)benzonitrile3054634-32-8C18H21N5
- 4-({3-[Methyl(pyrimidin-4-yl)amino]piperidin-1-yl}methyl)benzonitrile3030812-42-8C18H21N5
- N-{1-[(1H-indol-3-yl)methyl]pyrrolidin-3-yl}-N-methylpyrimidin-4-amine3054555-45-9C18H21N5
- N-{1-[(1H-indol-5-yl)methyl]piperidin-3-yl}pyrimidin-2-amine3054555-41-5C18H21N5
- N-{1-[(1H-indol-3-yl)methyl]piperidin-3-yl}pyrimidin-2-amine3054615-47-0C18H21N5
Frequently asked questions
What is the molar mass of C18H21N5?
The molar mass of C18H21N5 is 307.40 g/mol, calculated from standard atomic weights for 18 carbon atoms, 21 hydrogen atoms and 5 nitrogen atoms. The monoisotopic mass is 307.1797 Da.
How many compounds have the formula C18H21N5?
CompoundList lists 104 compounds with the molecular formula C18H21N5, including (R)-Zinc-3573, 8-Methyl-6-(4-methyl-1-piperazinyl)-11H-pyrido(2,3-b)(1,4)benzodiazepine, N-Cycloheptyl-1-phenyl-1H-pyrazolo[3,4-d]pyrimidin-4-amine. 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 C18H21N5?
C18H21N5 has a degree of unsaturation of 11. 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.