Molecular formula
C16H21N5
84 compounds have this formula on CompoundList.
- Molar mass
- 283.38g/mol
- Monoisotopic mass
- 283.1797Da
- Atoms
- 42
- Elements
- 3
- Rings plus double bonds
- 9
The formula C16H21N5 describes a molecule made of 16 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 × 1667.82%12.011 × 16 = 192.176 g/mol
- H Hydrogen × 217.47%1.008 × 21 = 21.168 g/mol
- N Nitrogen × 524.71%14.007 × 5 = 70.035 g/mol
Look up another formula
Compounds with the formula C16H21N5
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 84 of 84 compounds
RefChem:79556
CAS 150057-49-1C16H21N5
![1-Methyl-N,N-dipropyl-[1,2,4]triazolo[4,3-a]quinoxalin-4-amine chemical structure, C16H21N5, CAS 442652-98-4](/s/WIOYPCJBJJRBFS-UHFFFAOYSA-N.svg)
1-Methyl-N,N-dipropyl-[1,2,4]triazolo[4,3-a]quinoxalin-4-amine
CAS 442652-98-4C16H21N5
1-(4,6-Dimethylpyrimidin-2-yl)-3-(4-isopropylphenyl)guanidine
CAS 351190-43-7C16H21N5
N-Benzyl-2-(4-methylpiperazin-1-yl)pyrimidin-4-amine
CAS 1236138-75-2C16H21N5
N-Benzyl-6-(4-methylpiperazin-1-yl)pyrimidin-4-amine
CAS 1196993-69-7C16H21N5
4-(4-Methylphenyl)-6-(4-methyl-1-piperazinyl)-2-pyrimidinamine
CAS 1028327-67-4C16H21N5
4,6-Dimethyl-N-(2-methyl-6-(pyrrolidin-2-yl)pyridin-4-yl)pyrimidin-2-amine
CAS 1361111-73-0C16H21N5
1,3-Propanediamine, N,N-dimethyl-N-(4-methyl-5H-pyrrolo(3,2-c:4,5-c')dipyridin-1-yl)-
CAS 109202-28-0C16H21N5
4H-(1,2,4)Triazolo(4,3-a)(1,5)benzodiazepin-5-amine, N,N-dipropyl-
CAS 137731-05-6C16H21N5
Piperazine, 1-(3,5-diamino-4-pyridyl)-4-(p-tolyl)-
CAS 14549-73-6C16H21N5
![(Methylpropyl)(2,8,10-trimethyl(5-hydropyrimidino[1',2'-1,5]pyrazolo[3,4-b]pyr idin-4-yl))amine chemical structure, C16H21N5, CAS 900267-74-5](/s/ODECGTHPQBVUPZ-UHFFFAOYSA-N.svg)
(Methylpropyl)(2,8,10-trimethyl(5-hydropyrimidino[1',2'-1,5]pyrazolo[3,4-b]pyr idin-4-yl))amine
CAS 900267-74-5C16H21N5
![1-(4-Aminobutyl)-2-ethyl-1H-imidazo[4,5-c]quinolin-4-amine chemical structure, C16H21N5, CAS 313350-30-0](/s/DJILPZGMLMGVDD-UHFFFAOYSA-N.svg)
1-(4-Aminobutyl)-2-ethyl-1H-imidazo[4,5-c]quinolin-4-amine
CAS 313350-30-0C16H21N5
![N-Isobutyl-2,8,10-trimethylpyrido[2',3':3,4]pyrazolo[1,5-a]pyrimidin-4-amine chemical structure, C16H21N5, CAS 899389-11-8](/s/NKBZDVUVDBVRTD-UHFFFAOYSA-N.svg)
N-Isobutyl-2,8,10-trimethylpyrido[2',3':3,4]pyrazolo[1,5-a]pyrimidin-4-amine
CAS 899389-11-8C16H21N5
![1-(2-Aminoethyl)-2-butyl-1H-imidazo[4,5-c]quinolin-4-amine chemical structure, C16H21N5, CAS 313350-39-9](/s/YETCZFGQAKYIEX-UHFFFAOYSA-N.svg)
1-(2-Aminoethyl)-2-butyl-1H-imidazo[4,5-c]quinolin-4-amine
CAS 313350-39-9C16H21N5
2-(4-Benzylpiperazin-1-yl)-6-methylpyrimidin-4-amine
CAS 1333960-57-8C16H21N5
N1-(2-methyl-6-(piperidin-1-yl)pyrimidin-4-yl)benzene-1,4-diamine
CAS 1706438-32-5C16H21N5
4-(4-Benzylpiperidin-1-yl)-6-hydrazinyl pyrimidine
CAS 1519048-35-1C16H21N5
![(4,6-Dimethyl-pyrimidin-2-yl)-(1',2',3',4',5',6'-hexahydro-[2,4']bipyridinyl-5-yl)-amine chemical structure, C16H21N5, CAS 1316224-73-3](/s/KRPLLJTTWGSSJH-UHFFFAOYSA-N.svg)
(4,6-Dimethyl-pyrimidin-2-yl)-(1',2',3',4',5',6'-hexahydro-[2,4']bipyridinyl-5-yl)-amine
CAS 1316224-73-3C16H21N5
N1-(4-methyl-6-(piperidin-1-yl)pyrimidin-2-yl)benzene-1,4-diamine
CAS 1706441-77-1C16H21N5
N1-(6-methyl-2-(piperidin-1-yl)pyrimidin-4-yl)benzene-1,4-diamine
CAS 1706437-99-1C16H21N5
![N-Cyano-3-ethyl-N-[(5-methyl-4-propyl-4H-1,2,4-triazol-3-yl)methyl]aniline chemical structure, C16H21N5, CAS 2094694-24-1](/s/TWLQHHVJFJGVDG-UHFFFAOYSA-N.svg)
N-Cyano-3-ethyl-N-[(5-methyl-4-propyl-4H-1,2,4-triazol-3-yl)methyl]aniline
CAS 2094694-24-1C16H21N5
![2-Cyclopropyl-N-{[2-(dimethylamino)pyridin-3-yl]methyl}-6-methylpyrimidin-4-amine chemical structure, C16H21N5, CAS 2176201-01-5](/s/CCPMAJYVJTXZFT-UHFFFAOYSA-N.svg)
2-Cyclopropyl-N-{[2-(dimethylamino)pyridin-3-yl]methyl}-6-methylpyrimidin-4-amine
CAS 2176201-01-5C16H21N5
![1-[1-Ethyl-2-(3-ethyl-1-methyl-1H-pyrazol-5-yl)-1H-benzimidazol-5-yl]methanamine chemical structure, C16H21N5, CAS 1493336-45-0](/s/CLIYXYISKIWDQC-UHFFFAOYSA-N.svg)
1-[1-Ethyl-2-(3-ethyl-1-methyl-1H-pyrazol-5-yl)-1H-benzimidazol-5-yl]methanamine
CAS 1493336-45-0C16H21N5
6-Methyl-N-(3-methylpyridin-2-yl)-2-(piperidin-3-yl)pyrimidin-4-amine
CAS 1316227-00-5C16H21N5
- 3-Methyl-2-[3-(pyrrolidin-1-yl)pyrazin-2-yl]-4,5,6,7-tetrahydro-2H-indazole2415512-51-3C16H21N5
- N-[2-(Cyclohex-1-en-1-yl)ethyl]-6-(4-methyl-1H-pyrazol-1-yl)pyrimidin-4-amine2548983-89-5C16H21N5
- 3-{Octahydrocyclopenta[c]pyrrol-2-yl}-1-{pyrazolo[1,5-a]pyrazin-4-yl}azetidine2548993-64-0C16H21N5
- 4-Cyclobutyl-6-{3-[(2-methyl-1H-imidazol-1-yl)methyl]azetidin-1-yl}pyrimidine2640843-01-0C16H21N5
- 5-Cyclopentyl-2-(pyridin-2-yl)-4,5,6,7-tetrahydro-2H-pyrazolo[4,3-c]pyridin-3-amine1082387-19-6C16H21N5
- N,6-dimethyl-2-(4-phenylpiperazin-1-yl)pyrimidin-4-amine1333960-74-9C16H21N5
- 2-(4-Isopropylpiperazin-1-yl)-5-(pyridin-3-yl)-pyrimidine919610-59-6C16H21N5
- 2-(4-Isopropylpiperazin-1-yl)-5-(pyridin-4-yl)-pyrimidine919610-60-9C16H21N5
- 1-(3-Aminopropyl)-2-propyl-1H-imidazo[4,5-c]quinolin-4-amine1310698-61-3C16H21N5
- N~2~,N~2~-Diethyl-N~4~-phenyl-6-(prop-1-en-2-yl)-1,3,5-triazine-2,4-diamine89053-66-7C16H21N5
- N~2~-Cyclohexyl-6-methyl-N~4~-phenyl-1,3,5-triazine-2,4-diamine192387-82-9C16H21N5
- 5-[4-[(4-Methylpiperazin-1-yl)methyl]phenyl]pyridazin-4-amine1628869-71-5C16H21N5
- 4-Cyclobutyl-6-{3-[(4-methyl-1H-pyrazol-1-yl)methyl]azetidin-1-yl}pyrimidine2549003-74-7C16H21N5
- 1-Phenyl-4-({5H,6H,7H-pyrrolo[2,1-c][1,2,4]triazol-3-yl}methyl)piperazine2327047-81-2C16H21N5
- 4-{3-[(2-Methyl-1H-imidazol-1-yl)methyl]azetidin-1-yl}-5,6,7,8-tetrahydroquinazoline2640845-22-1C16H21N5
- 2-Cyclopropyl-4-methyl-6-{3-[(2-methyl-1H-imidazol-1-yl)methyl]azetidin-1-yl}pyrimidine2640964-99-2C16H21N5
- N-Methyl-N-[1-(2-methylpyrimidin-4-yl)piperidin-4-yl]pyridin-2-amine2741911-38-4C16H21N5
- N-Methyl-N-[1-(6-methylpyrazin-2-yl)piperidin-4-yl]pyridin-2-amine2742052-87-3C16H21N5
- N-Methyl-N-[1-(4-methylpyrimidin-2-yl)piperidin-4-yl]pyridin-2-amine2742052-99-7C16H21N5
- N-Methyl-N-[1-(3-methylpyrazin-2-yl)piperidin-4-yl]pyridin-2-amine2741918-82-9C16H21N5
- 1-[(1-{5H,6H,7H-Cyclopenta[d]pyrimidin-4-yl}azetidin-3-yl)methyl]-2-ethyl-1H-imidazole2741896-92-2C16H21N5
- 3-Cyclopropyl-6-{3-[(2-ethyl-1H-imidazol-1-yl)methyl]azetidin-1-yl}pyridazine2742045-76-5C16H21N5
- 4-Cyclopropyl-6-{3-[(2-ethyl-1H-imidazol-1-yl)methyl]azetidin-1-yl}pyrimidine2742048-64-0C16H21N5
- 2-Cyclopropyl-4-{3-[(2-ethyl-1H-imidazol-1-yl)methyl]azetidin-1-yl}pyrimidine2741936-28-5C16H21N5
- 3-{Octahydrocyclopenta[c]pyrrol-2-yl}-1-{pyrazolo[1,5-a]pyrimidin-5-yl}azetidine2770615-96-6C16H21N5
- 3-{Octahydrocyclopenta[c]pyrrol-2-yl}-1-{7H-pyrrolo[2,3-d]pyrimidin-4-yl}azetidine2770642-30-1C16H21N5
- N-[2-(Cyclohex-1-en-1-yl)ethyl]-9-cyclopropyl-9H-purin-6-amine2757866-65-0C16H21N5
- 9-Cyclopropyl-6-(octahydro-1H-isoindol-2-yl)-9H-purine2770642-63-0C16H21N5
- N-Methyl-N-{1-[(pyridin-4-yl)methyl]piperidin-3-yl}pyrimidin-4-amine3030823-38-9C16H21N5
- 4-Methyl-N-{1-[(pyridin-3-yl)methyl]piperidin-3-yl}pyrimidin-2-amine3030807-43-0C16H21N5
- 4-Methyl-N-{1-[(pyridin-4-yl)methyl]piperidin-3-yl}pyrimidin-2-amine3030780-68-5C16H21N5
- 4-Methoxy-N-methyl-N-[1-(pyrimidine-5-carbonyl)pyrrolidin-3-yl]pyrimidin-2-amine3054539-30-6C16H21N5
- N-Methyl-N-{1-[(2-methylpyridin-3-yl)methyl]pyrrolidin-3-yl}pyrimidin-2-amine3054589-29-3C16H21N5
- 4-Methyl-N-{1-[(2-methylpyridin-3-yl)methyl]pyrrolidin-3-yl}pyrimidin-2-amine3054579-62-0C16H21N5
- N-Methyl-N-{1-[(2-methylpyridin-3-yl)methyl]pyrrolidin-3-yl}pyrimidin-4-amine3054573-40-6C16H21N5
- 6-Methyl-N-{1-[(2-methylpyridin-3-yl)methyl]pyrrolidin-3-yl}pyrimidin-4-amine3054627-20-9C16H21N5
- N-{1-[(2-Methylpyridin-3-yl)methyl]piperidin-3-yl}pyrimidin-2-amine3054629-59-0C16H21N5
- 1-(5,6-Dimethylpyrimidin-4-yl)-N-methyl-N-[(pyridin-3-yl)methyl]azetidin-3-amine3054408-47-5C16H21N5
- 4-Methyl-N-{1-[(3-methylpyridin-2-yl)methyl]pyrrolidin-3-yl}pyrimidin-2-amine3030727-03-5C16H21N5
- N-Methyl-N-{1-[(3-methylpyridin-2-yl)methyl]pyrrolidin-3-yl}pyrimidin-4-amine3054542-11-6C16H21N5
- N-Methyl-N-{1-[(6-methylpyridin-2-yl)methyl]pyrrolidin-3-yl}pyrimidin-4-amine3054408-42-0C16H21N5
- N-{1-[(3-Methylpyridin-2-yl)methyl]piperidin-3-yl}pyrimidin-2-amine3030809-36-7C16H21N5
- N-{1-[(3-Methylpyridin-2-yl)methyl]piperidin-3-yl}pyrimidin-4-amine3054624-86-8C16H21N5
- N-Methyl-N-[(3-methylpyridin-2-yl)methyl]-1-(5-methylpyrimidin-4-yl)azetidin-3-amine3054588-77-8C16H21N5
- N-{1-[2-(6-Methylpyridin-2-yl)ethyl]pyrrolidin-3-yl}pyrimidin-2-amine3054599-70-8C16H21N5
- N-{1-[2-(6-Methylpyridin-2-yl)ethyl]pyrrolidin-3-yl}pyrimidin-4-amine3054616-07-5C16H21N5
- N-Methyl-N-[1-(3-methylpyridin-2-yl)piperidin-3-yl]pyrimidin-4-amine3054559-60-0C16H21N5
- N-{1-[2-(Pyridin-2-yl)ethyl]piperidin-3-yl}pyrimidin-2-amine3054629-09-0C16H21N5
- N-Methyl-N-{1-[2-(pyridin-2-yl)ethyl]pyrrolidin-3-yl}pyrimidin-2-amine3054574-89-6C16H21N5
- 4-Methyl-N-{1-[2-(pyridin-2-yl)ethyl]pyrrolidin-3-yl}pyrimidin-2-amine3054579-17-5C16H21N5
- 4-Methyl-N-{1-[(5-methylpyridin-3-yl)methyl]pyrrolidin-3-yl}pyrimidin-2-amine3054609-94-5C16H21N5
- N-Methyl-N-{1-[2-(pyridin-3-yl)ethyl]pyrrolidin-3-yl}pyrimidin-4-amine3054629-04-5C16H21N5
- 6-Methyl-N-{1-[2-(pyridin-3-yl)ethyl]pyrrolidin-3-yl}pyrimidin-4-amine3054437-97-4C16H21N5
- N-Methyl-N-{1-[2-(pyridin-3-yl)ethyl]pyrrolidin-3-yl}pyrimidin-2-amine3054537-80-0C16H21N5
- 4-Methyl-N-{1-[2-(pyridin-3-yl)ethyl]pyrrolidin-3-yl}pyrimidin-2-amine3054586-04-5C16H21N5
- N-Methyl-N-{1-[2-(pyridin-2-yl)ethyl]pyrrolidin-3-yl}pyrimidin-4-amine3054625-34-9C16H21N5
- N-Methyl-N-{1-[(5-methylpyridin-3-yl)methyl]pyrrolidin-3-yl}pyrimidin-4-amine3054611-20-7C16H21N5
- N-{1-[2-(Pyridin-3-yl)ethyl]piperidin-3-yl}pyrimidin-4-amine3054566-14-9C16H21N5
- N-Ethyl-4-(piperidin-3-yl)-5-(pyridin-4-yl)pyrimidin-2-amine1001754-38-6C16H21N5
- N-[1-[(2-Methyl-3-pyridinyl)methyl]piperidin-3-yl]pyrimidin-4-amine3054408-50-0C16H21N5
Frequently asked questions
What is the molar mass of C16H21N5?
The molar mass of C16H21N5 is 283.38 g/mol, calculated from standard atomic weights for 16 carbon atoms, 21 hydrogen atoms and 5 nitrogen atoms. The monoisotopic mass is 283.1797 Da.
How many compounds have the formula C16H21N5?
CompoundList lists 84 compounds with the molecular formula C16H21N5, including RefChem:79556, 1-Methyl-N,N-dipropyl-[1,2,4]triazolo[4,3-a]quinoxalin-4-amine, 1-(4,6-Dimethylpyrimidin-2-yl)-3-(4-isopropylphenyl)guanidine. 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 C16H21N5?
C16H21N5 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.