C20H21N5
45 compounds have this formula on CompoundList.
- Molar mass
- 331.42g/mol
- Monoisotopic mass
- 331.1797Da
- Atoms
- 46
- Elements
- 3
- Rings plus double bonds
- 13
The formula C20H21N5 describes a molecule made of 20 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 × 2072.48%12.011 × 20 = 240.220 g/mol
- H Hydrogen × 216.39%1.008 × 21 = 21.168 g/mol
- N Nitrogen × 521.13%14.007 × 5 = 70.035 g/mol
Compounds with the formula C20H21N5
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 45 of 45 compounds
![1,3-Benzenedicarbonitrile, 2-[2-[4-(diethylamino)-2-methylphenyl]diazenyl]-5-methyl- chemical structure, C20H21N5, CAS 75198-96-8](/s/JZTRIZGUGUEXRN-UHFFFAOYSA-N.svg)
![5-(tert-Butyl)-7-(2-methyl-1H-imidazol-1-yl)-3-phenylpyrazolo[1,5-a]pyrimidine chemical structure, C20H21N5, CAS 902022-84-8](/s/MXSBVRIRAGTFCX-UHFFFAOYSA-N.svg)
![N-Pentyl-3-phenyl-[1,2,3]triazolo[1,5-a]quinazolin-5-amine chemical structure, C20H21N5, CAS 902482-30-8](/s/WWIPCQLOMOODRA-UHFFFAOYSA-N.svg)
![N-Butyl-3-(m-tolyl)-[1,2,3]triazolo[1,5-a]quinazolin-5-amine chemical structure, C20H21N5, CAS 902580-95-4](/s/HDTXIUZDBVIKDE-UHFFFAOYSA-N.svg)
![1-tert-Butyl-3-naphthalen-2-ylmethyl-1H-pyrazolo[3,4-d]pyrimidin-4-ylamine chemical structure, C20H21N5, CAS 956025-49-3](/s/MHCAHEOZFDJGMB-UHFFFAOYSA-N.svg)
![N-Butyl-3-(4-methylphenyl)-[1,2,3]triazolo[1,5-a]quinazolin-5-amine chemical structure, C20H21N5, CAS 866843-74-5](/s/WGMZUYJZDSJNPG-UHFFFAOYSA-N.svg)
![2,8,10-Trimethyl-N-phenethylpyrido[2',3':3,4]pyrazolo[1,5-a]pyrimidin-4-amine chemical structure, C20H21N5, CAS 876710-03-1](/s/MHKIPJPLURJCNY-UHFFFAOYSA-N.svg)
![5-(tert-Butyl)-7-(1H-imidazol-1-yl)-2-methyl-3-phenylpyrazolo[1,5-a]pyrimidine chemical structure, C20H21N5, CAS 849921-33-1](/s/JTZBFAQRSOPYPU-UHFFFAOYSA-N.svg)
![2,8,10-Trimethyl-N-(1-phenylethyl)pyrido[2',3':3,4]pyrazolo[1,5-a]pyrimidin-4-amine chemical structure, C20H21N5, CAS 899403-21-5](/s/RUQYGQDMFFXNHA-UHFFFAOYSA-N.svg)
![7-(2-Ethyl-1H-imidazol-1-yl)-3-phenyl-5-propylpyrazolo[1,5-a]pyrimidine chemical structure, C20H21N5, CAS 900898-37-5](/s/TXGXJTHCFYEJNA-UHFFFAOYSA-N.svg)
![7-(2-Ethyl-1H-imidazol-1-yl)-5-isopropyl-3-phenylpyrazolo[1,5-a]pyrimidine chemical structure, C20H21N5, CAS 900295-76-3](/s/MJXZZZBUGALAIT-UHFFFAOYSA-N.svg)
![11,13-Dimethyl-N-phenyl-4-propyl-3,7,8,10-tetraazatricyclo[7.4.0.0^{2,7}]trideca-1,3,5,8,10,12-hexaen-6-amine chemical structure, C20H21N5, CAS 890622-95-4](/s/VRTOACXVMMOITM-UHFFFAOYSA-N.svg)
![3-[[3-(1H-Indazol-5-ylamino)-1-piperidinyl]methyl]benzonitrile chemical structure, C20H21N5, CAS 1035094-60-0](/s/GDLBRGNBENEOGY-UHFFFAOYSA-N.svg)
![4-[[3-[(1H-Indazol-5-yl)amino]piperidin-1-yl]methyl]benzonitrile chemical structure, C20H21N5, CAS 1035095-15-8](/s/LFXXHSZZBJKJJF-UHFFFAOYSA-N.svg)
![1-[3,5-Dimethyl-2-(3-methylphenyl)pyrazolo[1,5-a]pyrimidin-7-yl]-3,5-dimethyl-1H-pyrazole chemical structure, C20H21N5, CAS 1203227-68-2](/s/AQGKRAKBYZMVBU-UHFFFAOYSA-N.svg)
![1-[3,5-Dimethyl-2-(4-methylphenyl)pyrazolo[1,5-a]pyrimidin-7-yl]-3,5-dimethyl-1H-pyrazole chemical structure, C20H21N5, CAS 1203340-23-1](/s/MPWDEJWCXFOFBY-UHFFFAOYSA-N.svg)
- 1-(1-Benzylpiperidin-3-yl)-1,6-dihydropyrazolo[3,4-d]pyrrolo[2,3-b]pyridine1310729-33-9C20H21N5
- N''-[([1,1'-Biphenyl]-4-yl)methyl]-N-(4,6-dimethylpyrimidin-2-yl)guanidine685896-77-9C20H21N5
- 2-Methyl-4-(4-phenylpiperazin-1-yl)-6-(pyridin-2-yl)pyrimidine1260948-74-0C20H21N5
- 4-Methyl-6-phenyl-3-[4-(pyridin-4-yl)piperazin-1-yl]pyridazine923951-05-7C20H21N5
- 2-[1-(2-Cyclopropylpyrimidin-4-yl)piperidin-4-yl]-1,8-naphthyridine2640874-43-5C20H21N5
- N~2~-[Cyclopropyl(3,5-diethynylphenyl)methyl]-6-(propan-2-yl)-1,3,5-triazine-2,4-diamine1142207-16-6C20H21N5
- 2-{2-[(E)-(4-Methylpiperidin-1-yl)diazenyl]phenyl}quinazoline62888-02-2C20H21N5
- 2-{2-[(E)-(3-Methylpiperidin-1-yl)diazenyl]phenyl}quinazoline62888-01-1C20H21N5
- 1-[7-(2H-Tetrazol-5-yl)-9,10-dihydroanthracen-2-yl]piperidine61618-39-1C20H21N5
- 4-((2-(1,4-Diazepan-1-yl)-1H-benzo[d]imidazol-1-yl)methyl)benzonitrile1420828-07-4C20H21N5
- 2-((2-(1,4-Diazepan-1-yl)-1H-benzo[d]imidazol-1-yl)methyl)benzonitrile1420886-79-8C20H21N5
- 4-[4-(6-Cyclopropylpyridazin-3-yl)piperazin-1-yl]quinoline2380080-87-3C20H21N5
- 2-[3-(2-tert-Butyl-1H-1,3-benzodiazol-1-yl)azetidin-1-yl]pyridine-3-carbonitrile2548996-95-6C20H21N5
- 6-[3-(2-tert-Butyl-1H-1,3-benzodiazol-1-yl)azetidin-1-yl]pyridine-3-carbonitrile2549031-50-5C20H21N5
- 1-{2,5-Dimethylpyrazolo[1,5-a]pyrimidin-7-yl}-4-phenylpiperidine-4-carbonitrile2640950-09-8C20H21N5
- 2-[1-(6-Cyclopropylpyridazin-3-yl)piperidin-4-yl]-1,8-naphthyridine2640896-12-2C20H21N5
- 6-Cyclopropyl-2-[1-(pyrazin-2-yl)piperidin-4-yl]-1,8-naphthyridine2742019-95-8C20H21N5
- 6-Cyclopropyl-2-[1-(pyrimidin-2-yl)piperidin-4-yl]-1,8-naphthyridine2741938-47-4C20H21N5
- 2-(3-{[2-(Propan-2-yl)-1H-imidazol-1-yl]methyl}azetidin-1-yl)quinoline-4-carbonitrile2741932-49-8C20H21N5
- 2-(3-{[2-(Propan-2-yl)-1H-imidazol-1-yl]methyl}azetidin-1-yl)quinoline-3-carbonitrile2742054-53-9C20H21N5
- 2-Methyl-3-[5-(pyridin-2-yl)-octahydropyrrolo[3,4-c]pyrrol-2-yl]quinoxaline2770588-20-8C20H21N5
Frequently asked questions
What is the molar mass of C20H21N5?
The molar mass of C20H21N5 is 331.42 g/mol, calculated from standard atomic weights for 20 carbon atoms, 21 hydrogen atoms and 5 nitrogen atoms. The monoisotopic mass is 331.1797 Da.
How many compounds have the formula C20H21N5?
CompoundList lists 45 compounds with the molecular formula C20H21N5, including 1-(1,1-Dimethylethyl)-3-(1-naphthalenylmethyl)-1H-pyrazolo(3,4-d)pyrimidin-4-amine, (3-(4-Imino-3,5,12-triazatetracyclo(9.7.0.0^(2,7).0^(13,18))octadeca-1(11),2,6,13,15,17-hexaen-16-yl)prop-2-yn-1-yl)dimethylamine, N-Cyclohexyl-6-phenyl-3-(2-pyridinyl)-1,2,4-triazin-5-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 C20H21N5?
C20H21N5 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.