Molecular formula
C21H27N5O
75 compounds have this formula on CompoundList.
- Molar mass
- 365.48g/mol
- Monoisotopic mass
- 365.2216Da
- Atoms
- 54
- Elements
- 4
- Rings plus double bonds
- 11
The formula C21H27N5O describes a molecule made of 21 carbon atoms, 27 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 × 2169.01%12.011 × 21 = 252.231 g/mol
- H Hydrogen × 277.45%1.008 × 27 = 27.216 g/mol
- N Nitrogen × 519.16%14.007 × 5 = 70.035 g/mol
- O Oxygen × 14.38%15.999 × 1 = 15.999 g/mol
Look up another formula
Compounds with the formula C21H27N5O
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 75 of 75 compounds
![2,5-Dimethyl-N-[3-(morpholin-4-yl)propyl]-3-phenylpyrazolo[1,5-a]pyrimidin-7-amine chemical structure, C21H27N5O, CAS 862208-22-8](/s/AMPZMQYKMHTPQI-UHFFFAOYSA-N.svg)
2,5-Dimethyl-N-[3-(morpholin-4-yl)propyl]-3-phenylpyrazolo[1,5-a]pyrimidin-7-amine
CAS 862208-22-8C21H27N5O
1,3,5-Triazine-2,4-diamine, 1,6-dihydro-6,6-dimethyl-1-(3-(4-phenoxybutyl)phenyl)-
CAS 24892-87-3C21H27N5O
![2-Phenyl-1-[4-(6-piperidin-1-ylpyridazin-3-yl)piperazin-1-yl]ethanone chemical structure, C21H27N5O, CAS 898434-61-2](/s/UZITXCJQCUDYTM-UHFFFAOYSA-N.svg)
2-Phenyl-1-[4-(6-piperidin-1-ylpyridazin-3-yl)piperazin-1-yl]ethanone
CAS 898434-61-2C21H27N5O
3-Hydroxy-4-(6-(methyl(2,2,6,6-tetramethylpiperidin-4-yl)amino)pyridazin-3-yl)benzonitrile
CAS 1562333-64-5C21H27N5O
(4-Phenethylpiperazin-1-yl)(6-(pyrrolidin-1-yl)pyridazin-3-yl)methanone
CAS 1421585-57-0C21H27N5O
![2-[3-(Azepan-1-yl)quinoxalin-2-yl]-N-butyl-2-cyanoacetamide chemical structure, C21H27N5O, CAS 378208-28-7](/s/RDGOHEARHPQWCX-UHFFFAOYSA-N.svg)
2-[3-(Azepan-1-yl)quinoxalin-2-yl]-N-butyl-2-cyanoacetamide
CAS 378208-28-7C21H27N5O
(4-Methylpiperazin-1-yl)(1-(6-phenylpyridazin-3-yl)piperidin-3-yl)methanone
CAS 1105230-85-0C21H27N5O
![5-Isopropyl-N-(2-morpholinoethyl)-3-phenylpyrazolo[1,5-a]pyrimidin-7-amine chemical structure, C21H27N5O, CAS 900900-14-3](/s/RBSAMBTXVRHNHS-UHFFFAOYSA-N.svg)
5-Isopropyl-N-(2-morpholinoethyl)-3-phenylpyrazolo[1,5-a]pyrimidin-7-amine
CAS 900900-14-3C21H27N5O
![2-(4-(2,5-Dimethyl-3-(p-tolyl)pyrazolo[1,5-a]pyrimidin-7-yl)piperazin-1-yl)ethanol chemical structure, C21H27N5O, CAS 900271-34-3](/s/NEVFNQKGNWSKTM-UHFFFAOYSA-N.svg)
2-(4-(2,5-Dimethyl-3-(p-tolyl)pyrazolo[1,5-a]pyrimidin-7-yl)piperazin-1-yl)ethanol
CAS 900271-34-3C21H27N5O
![2-(4-(3-Phenyl-5-propylpyrazolo[1,5-a]pyrimidin-7-yl)piperazin-1-yl)ethanol chemical structure, C21H27N5O, CAS 900900-08-5](/s/KZSNPSBQDULLIA-UHFFFAOYSA-N.svg)
2-(4-(3-Phenyl-5-propylpyrazolo[1,5-a]pyrimidin-7-yl)piperazin-1-yl)ethanol
CAS 900900-08-5C21H27N5O
![2,5-Dimethyl-3-(4-methylphenyl)-N-[2-(morpholin-4-yl)ethyl]pyrazolo[1,5-a]pyrimidin-7-amine chemical structure, C21H27N5O, CAS 902037-43-8](/s/ANYAKINRCSATQF-UHFFFAOYSA-N.svg)
2,5-Dimethyl-3-(4-methylphenyl)-N-[2-(morpholin-4-yl)ethyl]pyrazolo[1,5-a]pyrimidin-7-amine
CAS 902037-43-8C21H27N5O
![2-[4-(2-Ethyl-5-methyl-3-phenylpyrazolo[1,5-a]pyrimidin-7-yl)piperazin-1-yl]ethanol chemical structure, C21H27N5O, CAS 902050-69-5](/s/YZNNHPRNVMIAFV-UHFFFAOYSA-N.svg)
2-[4-(2-Ethyl-5-methyl-3-phenylpyrazolo[1,5-a]pyrimidin-7-yl)piperazin-1-yl]ethanol
CAS 902050-69-5C21H27N5O
![5-Methyl-3-(4-methylphenyl)-N-[3-(morpholin-4-yl)propyl]pyrazolo[1,5-a]pyrimidin-7-amine chemical structure, C21H27N5O, CAS 900282-16-8](/s/AYCPRERUZNDTBT-UHFFFAOYSA-N.svg)
5-Methyl-3-(4-methylphenyl)-N-[3-(morpholin-4-yl)propyl]pyrazolo[1,5-a]pyrimidin-7-amine
CAS 900282-16-8C21H27N5O
![2-Ethyl-5-methyl-N-(2-morpholin-4-ylethyl)-3-phenylpyrazolo[1,5-a]pyrimidin-7-amine chemical structure, C21H27N5O, CAS 900291-10-3](/s/HJTVYMYJLPPTKA-UHFFFAOYSA-N.svg)
2-Ethyl-5-methyl-N-(2-morpholin-4-ylethyl)-3-phenylpyrazolo[1,5-a]pyrimidin-7-amine
CAS 900291-10-3C21H27N5O
![N-[2-(Morpholin-4-yl)ethyl]-3-phenyl-5-propylpyrazolo[1,5-a]pyrimidin-7-amine chemical structure, C21H27N5O, CAS 900872-03-9](/s/MVAQJMWEHPGCEQ-UHFFFAOYSA-N.svg)
N-[2-(Morpholin-4-yl)ethyl]-3-phenyl-5-propylpyrazolo[1,5-a]pyrimidin-7-amine
CAS 900872-03-9C21H27N5O
4-Anilino-7,7-dimethyl-2-(4-methylpiperazino)-7,8-dihydro-5(6H)-quinazolinone
CAS 924874-76-0C21H27N5O
![7-(4-Ethylpiperazin-1-yl)-3-(2-methoxyphenyl)-2,5-dimethylpyrazolo[1,5-a]pyrimidine chemical structure, C21H27N5O, CAS 902312-21-4](/s/WKRZNMGGKZBYIS-UHFFFAOYSA-N.svg)
7-(4-Ethylpiperazin-1-yl)-3-(2-methoxyphenyl)-2,5-dimethylpyrazolo[1,5-a]pyrimidine
CAS 902312-21-4C21H27N5O
N-(2-((4-Methyl-6-(piperidin-1-yl)pyrimidin-2-yl)amino)ethyl)cinnamamide
CAS 1203438-45-2C21H27N5O
![2-{4-[3,5-Dimethyl-2-(3-methylphenyl)pyrazolo[1,5-a]pyrimidin-7-yl]piperazin-1-yl}ethanol chemical structure, C21H27N5O, CAS 1203042-89-0](/s/MBMQTDNBEOJBSW-UHFFFAOYSA-N.svg)
2-{4-[3,5-Dimethyl-2-(3-methylphenyl)pyrazolo[1,5-a]pyrimidin-7-yl]piperazin-1-yl}ethanol
CAS 1203042-89-0C21H27N5O
![2-{4-[3,5-Dimethyl-2-(4-methylphenyl)pyrazolo[1,5-a]pyrimidin-7-yl]piperazin-1-yl}ethanol chemical structure, C21H27N5O, CAS 1203091-41-1](/s/QHJRTHZNHBLZDH-UHFFFAOYSA-N.svg)
2-{4-[3,5-Dimethyl-2-(4-methylphenyl)pyrazolo[1,5-a]pyrimidin-7-yl]piperazin-1-yl}ethanol
CAS 1203091-41-1C21H27N5O
1H-Indole-2-carboxamide, N-methyl-N-(2-(methyl(3-((1-methylethyl)amino)-2-pyridinyl)amino)ethyl)-
CAS 136817-09-9C21H27N5O
2-(4-Benzoylpiperazin-1-yl)-4-methyl-6-(piperidin-1-yl)pyrimidine
CAS 946384-74-3C21H27N5O
![3,5-Dimethyl-2-(3-methylphenyl)-N-[2-(morpholin-4-yl)ethyl]pyrazolo[1,5-a]pyrimidin-7-amine chemical structure, C21H27N5O, CAS 1203161-03-8](/s/FTPPEMLCBSQUFH-UHFFFAOYSA-N.svg)
3,5-Dimethyl-2-(3-methylphenyl)-N-[2-(morpholin-4-yl)ethyl]pyrazolo[1,5-a]pyrimidin-7-amine
CAS 1203161-03-8C21H27N5O
![3,5-Dimethyl-2-(4-methylphenyl)-N-[2-(morpholin-4-yl)ethyl]pyrazolo[1,5-a]pyrimidin-7-amine chemical structure, C21H27N5O, CAS 1203148-13-3](/s/KZPPHPZQDMRYIO-UHFFFAOYSA-N.svg)
3,5-Dimethyl-2-(4-methylphenyl)-N-[2-(morpholin-4-yl)ethyl]pyrazolo[1,5-a]pyrimidin-7-amine
CAS 1203148-13-3C21H27N5O
- N-[2-(3,5-Dimethyl-1H-pyrazol-1-yl)ethyl]-3-[4-(3,5-dimethyl-1H-pyrazol-1-yl)phenyl]propanamide2034457-88-8C21H27N5O
- 5,6-Dimethyl-7-(4-methylphenyl)-N-[2-(morpholin-4-yl)ethyl]-7H-pyrrolo[2,3-d]pyrimidin-4-amine904007-28-9C21H27N5O
- 4-Methyl-2-[4-(4-methylbenzoyl)piperazin-1-yl]-6-(pyrrolidin-1-yl)pyrimidine946338-53-0C21H27N5O
- (4-(4-Methyl-6-(pyrrolidin-1-yl)pyrimidin-2-yl)piperazin-1-yl)(m-tolyl)methanone946258-99-7C21H27N5O
- 1-(4-(2-(3,5-Dimethyl-1H-pyrazol-1-yl)ethyl)piperazin-1-yl)-2-(1H-indol-1-yl)ethanone1286714-30-4C21H27N5O
- N-[1-(2-Methyl-5,6,7,8-tetrahydroquinazolin-4-yl)piperidin-4-yl]-2-(pyridin-3-yl)acetamide2034596-33-1C21H27N5O
- Cyclohex-3-en-1-yl(4-(7,8,9,10-tetrahydropyrazino[1,2-b]indazol-1-yl)piperazin-1-yl)methanone2034597-54-9C21H27N5O
- 5,6-Dimethyl-N-(3-morpholin-4-ylpropyl)-7-phenylpyrrolo[2,3-d]pyrimidin-4-amine900293-52-9C21H27N5O
- 6-Cyclopropyl-3-[(1-{2-methyl-5H,6H,7H-cyclopenta[d]pyrimidin-4-yl}piperidin-4-yl)methyl]-3,4-dihydropyrimidin-4-one2175978-82-0C21H27N5O
- 4-Cyclopropyl-6-[(1-{2-methyl-5H,6H,7H-cyclopenta[d]pyrimidin-4-yl}piperidin-4-yl)methoxy]pyrimidine2319787-60-3C21H27N5O
- 4-Methyl-2-[4-(2-methylbenzoyl)piperazin-1-yl]-6-(pyrrolidin-1-yl)pyrimidine946212-71-1C21H27N5O
- 1H-1,4-Diazepine-1-carboxamide, hexahydro-N-[4-(2-phenyldiazenyl)phenyl]-4-propyl-1390807-24-5C21H27N5O
- N-(2-tert-Butylpyrimidin-5-yl)-2-cyano-3-(2,5-dimethyl-1-propyl-1H-pyrrol-3-yl)prop-2-enamide1424658-02-5C21H27N5O
- 2-[(1-{2-Methyl-5H,6H,7H-cyclopenta[d]pyrimidin-4-yl}piperidin-4-yl)methyl]-2H,3H,5H,6H,7H-cyclopenta[c]pyridazin-3-one2097929-06-9C21H27N5O
- 6-Cyclopropyl-2-[(1-{2-methyl-5H,6H,7H-cyclopenta[d]pyrimidin-4-yl}piperidin-4-yl)methyl]-2,3-dihydropyridazin-3-one2176124-82-4C21H27N5O
- 4-Hydroxy-3-(6-(methyl(2,2,6,6-tetramethylpiperidin-4-yl)amino)pyridazin-3-yl)benzonitrile1562333-39-4C21H27N5O
- Methanone,(2,3-dihydro-1H-indol-7-yl)[4-[3-[(1-methylethyl)amino]-2-pyridinyl]-1-piperazinyl]-959382-25-3C21H27N5O
- 3-(2-(3,4-Dimethylpiperazin-1-yl)pyridin-4-yl)-5-isopropoxy-1H-indazole1627194-08-4C21H27N5O
- 2-Butoxy-7-[[4-(2-pyrrolidinyl)phenyl]methyl]-5H-pyrrolo[3,2-d]pyrimidin-4-amine1878111-77-3C21H27N5O
- 4-Cyclobutyl-6-(4-{[(6-cyclopropylpyridazin-3-yl)oxy]methyl}piperidin-1-yl)pyrimidine2380070-32-4C21H27N5O
- 4-(4-{[(6-Cyclobutylpyrimidin-4-yl)oxy]methyl}piperidin-1-yl)-2-cyclopropylpyrimidine2380040-21-9C21H27N5O
- N4-(1-benzoylpiperidin-4-yl)-N4-cyclopropyl-N6,N6-dimethylpyrimidine-4,6-diamine2415518-03-3C21H27N5O
- 5-(5,6-Dimethylpyrimidin-4-yl)-N-(2-phenylethyl)-octahydropyrrolo[3,4-c]pyrrole-2-carboxamide2415553-77-2C21H27N5O
- 4-(6-{4-[(2E)-3-Phenylprop-2-en-1-yl]piperazin-1-yl}pyridazin-3-yl)morpholine2415641-98-2C21H27N5O
- N-(4-tert-Butyl-1-cyanocyclohexyl)-2-(3-phenyl-1H-1,2,4-triazol-1-yl)acetamide2195322-47-3C21H27N5O
- N-{2-[(3-Cyano-6,8-dimethylquinolin-2-yl)amino]ethyl}-N-cyclohexylurea606105-65-1C21H27N5O
- 1-(1-((1-Cyclopentyl-1H-pyrazol-3-yl)methyl)piperidin-4-yl)-1H-benzo[d]imidazol-2(3H)-one1954443-14-1C21H27N5O
- 2-tert-Butyl-1-[1-(1,3,5-trimethyl-1H-pyrazole-4-carbonyl)azetidin-3-yl]-1H-1,3-benzodiazole2549053-44-1C21H27N5O
- 4-[(4-{2-Cyclopropyl-5H,6H,7H-cyclopenta[d]pyrimidin-4-yl}piperazin-1-yl)methyl]-1-methyl-1,2-dihydropyridin-2-one2640963-29-5C21H27N5O
- N-tert-Butyl-5-(6-phenylpyridazin-3-yl)-octahydropyrrolo[3,4-c]pyrrole-2-carboxamide2415555-77-8C21H27N5O
- 1-{2-Methylpyrido[3,4-d]pyrimidin-4-yl}-4-{octahydrocyclopenta[c]pyrrole-2-carbonyl}piperidine3054566-76-3C21H27N5O
- N,N-Dimethyl-2-[4-(1,2,3,4-tetrahydroisoquinoline-2-carbonyl)piperidin-1-yl]pyrimidin-4-amine3054635-29-6C21H27N5O
- 1-(2,3-Dihydro-1H-indol-1-yl)-2-{1-[4-(dimethylamino)pyrimidin-2-yl]piperidin-4-yl}ethan-1-one3054568-91-8C21H27N5O
- 2-{[1-(2,6-Dimethylpyrimidin-4-yl)azetidin-3-yl](methyl)amino}-1-(1,2,3,4-tetrahydroquinolin-1-yl)ethan-1-one3030802-94-6C21H27N5O
- N-(2,5-Dimethylphenyl)-2-[3-(2,6-dimethylpyrimidin-4-yl)-3,6-diazabicyclo[3.1.1]heptan-6-yl]acetamide3054590-74-5C21H27N5O
- N-(2,3-Dimethylphenyl)-2-[3-(2,6-dimethylpyrimidin-4-yl)-3,6-diazabicyclo[3.1.1]heptan-6-yl]acetamide3054616-83-7C21H27N5O
- 2-[3-(2,6-Dimethylpyrimidin-4-yl)-3,6-diazabicyclo[3.1.1]heptan-6-yl]-N-[(4-methylphenyl)methyl]acetamide3054540-82-5C21H27N5O
- 2-(1-{Pyrido[3,4-d]pyrimidin-4-yl}piperidine-4-carbonyl)-octahydro-1H-isoindole3054621-21-2C21H27N5O
- N,N-Dimethyl-6-[4-(1,2,3,4-tetrahydroisoquinoline-2-carbonyl)piperidin-1-yl]pyrimidin-4-amine3054550-00-1C21H27N5O
- N,N-Dimethyl-2-[3-(1,2,3,4-tetrahydroisoquinoline-2-carbonyl)piperidin-1-yl]pyrimidin-4-amine3054582-13-4C21H27N5O
- 2-[1-({5H,6H,7H-Pyrrolo[2,1-c][1,2,4]triazol-3-yl}methyl)piperidine-3-carbonyl]-1,2,3,4-tetrahydroisoquinoline3054623-92-3C21H27N5O
- 1-(2,3-Dihydro-1H-indol-1-yl)-2-{1-[6-(dimethylamino)pyrimidin-4-yl]piperidin-4-yl}ethan-1-one3054603-76-5C21H27N5O
- 6-Methoxy-N-methyl-N-{1-[(1-methyl-1H-indol-3-yl)methyl]piperidin-3-yl}pyrimidin-4-amine3054547-84-8C21H27N5O
- 4-Methoxy-N-methyl-N-{1-[(1-methyl-1H-indol-3-yl)methyl]piperidin-3-yl}pyrimidin-2-amine3054611-08-1C21H27N5O
- 2-{[1-(5,6-Dimethylpyrimidin-4-yl)azetidin-3-yl](methyl)amino}-1-(1,2,3,4-tetrahydroquinolin-1-yl)ethan-1-one3054586-45-4C21H27N5O
- N-(3,5-Dimethylphenyl)-2-[3-(2,6-dimethylpyrimidin-4-yl)-3,6-diazabicyclo[3.1.1]heptan-6-yl]acetamide3054585-68-8C21H27N5O
- 2-[3-(6-Methylpyrimidin-4-yl)-3,6-diazabicyclo[3.1.1]heptan-6-yl]-N-(2,4,6-trimethylphenyl)acetamide3054589-98-6C21H27N5O
- 1-{Octahydrocyclopenta[c]pyrrol-2-yl}-2-(1-{pyrido[3,4-d]pyrimidin-4-yl}piperidin-4-yl)ethan-1-one3054603-71-0C21H27N5O
- N-(2,3-Dimethylphenyl)-2-[3-(5,6-dimethylpyrimidin-4-yl)-3,6-diazabicyclo[3.1.1]heptan-6-yl]acetamide3054637-11-2C21H27N5O
- N-(2,5-Dimethylphenyl)-2-[3-(5,6-dimethylpyrimidin-4-yl)-3,6-diazabicyclo[3.1.1]heptan-6-yl]acetamide3054590-95-0C21H27N5O
- N-(3,5-Dimethylphenyl)-2-[3-(5,6-dimethylpyrimidin-4-yl)-3,6-diazabicyclo[3.1.1]heptan-6-yl]acetamide3054587-12-8C21H27N5O
Frequently asked questions
What is the molar mass of C21H27N5O?
The molar mass of C21H27N5O is 365.48 g/mol, calculated from standard atomic weights for 21 carbon atoms, 27 hydrogen atoms, 5 nitrogen atoms and 1 oxygen atom. The monoisotopic mass is 365.2216 Da.
How many compounds have the formula C21H27N5O?
CompoundList lists 75 compounds with the molecular formula C21H27N5O, including 2,5-Dimethyl-N-[3-(morpholin-4-yl)propyl]-3-phenylpyrazolo[1,5-a]pyrimidin-7-amine, 1,3,5-Triazine-2,4-diamine, 1,6-dihydro-6,6-dimethyl-1-(3-(4-phenoxybutyl)phenyl)-, 2-Phenyl-1-[4-(6-piperidin-1-ylpyridazin-3-yl)piperazin-1-yl]ethanone. 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 C21H27N5O?
C21H27N5O 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.