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Murcko scaffold

Pyrazolo(1,5-a)pyrimidine scaffold

2,195 chemicals on CompoundList share this ring system.

Rings
2
Scaffold atoms
9
Chemicals
2,195
With full pages
244
Scaffold SMILES

c1cnc2ccnn2c1

A Bemis-Murcko scaffold is what remains of a molecule when every side chain is removed: the rings and the chains that link them. Chemicals that share a scaffold often belong to the same compound series, which helps when you look for analogues, alternative suppliers or related building blocks.

Substructure search with this scaffoldOpen the Pyrazolo(1,5-a)pyrimidine page
Murcko scaffold c1cnc2ccnn2c1

Computed from the structures of the chemicals listed here. Stereo and charges are removed before the scaffold is taken.

Chemicals with this scaffold

Open one to see its structure, properties and suppliers.

Showing 289 to 336 of 2,195 chemicals

Pyrazolo[1,5-a]pyrimidine-2-sulfonamide chemical structure, C6H6N4O2S, CAS 2228156-43-0
Pyrazolo[1,5-a]pyrimidine-2-sulfonamide
CAS 2228156-43-0C6H6N4O2S
Chlorprazophos chemical structure, C11H15ClN3O3PS, CAS 36145-08-1
Chlorprazophos
CAS 36145-08-1C11H15ClN3O3PS
Pyrazolo(1,5-a)pyrimidine-6-carboxylic acid chemical structure, C7H5N3O2, CAS 933754-38-2
Pyrazolo(1,5-a)pyrimidine-6-carboxylic acid
CAS 933754-38-2C7H5N3O2
Methyl 3-bromo-5-methylpyrazolo[1,5-a]pyrimidine-7-carboxylate chemical structure, C9H8BrN3O2, CAS 916211-91-1
Methyl 3-bromo-5-methylpyrazolo[1,5-a]pyrimidine-7-carboxylate
CAS 916211-91-1C9H8BrN3O2
Methyl 5-methylpyrazolo[1,5-a]pyrimidine-7-carboxylate chemical structure, C9H9N3O2, CAS 916211-75-1
Methyl 5-methylpyrazolo[1,5-a]pyrimidine-7-carboxylate
CAS 916211-75-1C9H9N3O2
Pyrazolo[1,5-a]pyrimidine-2-sulfonyl chloride chemical structure, C6H4ClN3O2S, CAS 1782908-50-2
Pyrazolo[1,5-a]pyrimidine-2-sulfonyl chloride
CAS 1782908-50-2C6H4ClN3O2S
5,7-Dibutylpyrazolo[1,5-A]pyrimidine chemical structure, C14H21N3, CAS 55536-81-7
5,7-Dibutylpyrazolo[1,5-A]pyrimidine
CAS 55536-81-7C14H21N3
5-Methyl-7-(2-methylpropyl)pyrazolo[1,5-a]pyrimidine chemical structure, C11H15N3, CAS 55536-77-1
5-Methyl-7-(2-methylpropyl)pyrazolo[1,5-a]pyrimidine
CAS 55536-77-1C11H15N3
5,7-Diethylpyrazolo[1,5-a]pyrimidine chemical structure, C10H13N3, CAS 43024-20-0
5,7-Diethylpyrazolo[1,5-a]pyrimidine
CAS 43024-20-0C10H13N3
3-Bromo-7-ethyl-5-methylpyrazolo[1,5-a]pyrimidine chemical structure, C9H10BrN3, CAS 43024-40-4
3-Bromo-7-ethyl-5-methylpyrazolo[1,5-a]pyrimidine
CAS 43024-40-4C9H10BrN3
3-Bromo-5-methyl-7-propylpyrazolo[1,5-a]pyrimidine chemical structure, C10H12BrN3, CAS 43024-41-5
3-Bromo-5-methyl-7-propylpyrazolo[1,5-a]pyrimidine
CAS 43024-41-5C10H12BrN3
3-Bromo-5,7-diethylpyrazolo[1,5-a]pyrimidine chemical structure, C10H12BrN3, CAS 43024-34-6
3-Bromo-5,7-diethylpyrazolo[1,5-a]pyrimidine
CAS 43024-34-6C10H12BrN3
7-Aminopyrazolo[1,5-a]pyrimidine-6-carboxylic acid chemical structure, C7H6N4O2, CAS 68262-33-9
7-Aminopyrazolo[1,5-a]pyrimidine-6-carboxylic acid
CAS 68262-33-9C7H6N4O2
7-Amino-3-bromo-5-(methylsulfanyl)pyrazolo [1,5-a]pyrimidine-6-carbonitrile chemical structure, C8H6BrN5S, CAS 429695-14-7
7-Amino-3-bromo-5-(methylsulfanyl)pyrazolo [1,5-a]pyrimidine-6-carbonitrile
CAS 429695-14-7C8H6BrN5S
7-Chloro-5-neopentylpyrazolo[1,5-a]pyrimidine chemical structure, C11H14ClN3, CAS 672323-47-6
7-Chloro-5-neopentylpyrazolo[1,5-a]pyrimidine
CAS 672323-47-6C11H14ClN3
5-(tert-Butyl)-7-chloropyrazolo[1,5-a]pyrimidine chemical structure, C10H12ClN3, CAS 672323-36-3
5-(tert-Butyl)-7-chloropyrazolo[1,5-a]pyrimidine
CAS 672323-36-3C10H12ClN3
Ethyl 7-chloro-5-neopentylpyrazolo[1,5-a]pyrimidine-3-carboxylate chemical structure, C14H18ClN3O2, CAS 672323-49-8
Ethyl 7-chloro-5-neopentylpyrazolo[1,5-a]pyrimidine-3-carboxylate
CAS 672323-49-8C14H18ClN3O2
5,7-Dichloro-3-(propan-2-yl)pyrazolo[1,5-a]pyrimidine chemical structure, C9H9Cl2N3, CAS 771510-32-8
5,7-Dichloro-3-(propan-2-yl)pyrazolo[1,5-a]pyrimidine
CAS 771510-32-8C9H9Cl2N3
3-Bromo-7-chloro-5-ethylpyrazolo[1,5-a]pyrimidine chemical structure, C8H7BrClN3, CAS 672325-29-0
3-Bromo-7-chloro-5-ethylpyrazolo[1,5-a]pyrimidine
CAS 672325-29-0C8H7BrClN3
3-Bromo-7-chloro-5-(trifluoromethyl)pyrazolo[1,5-a]pyrimidine chemical structure, C7H2BrClF3N3, CAS 672325-28-9
3-Bromo-7-chloro-5-(trifluoromethyl)pyrazolo[1,5-a]pyrimidine
CAS 672325-28-9C7H2BrClF3N3
3-Bromo-5-chloro-7-methylsulfanylpyrazolo[1,5-a]pyrimidine chemical structure, C7H5BrClN3S, CAS 779353-56-9
3-Bromo-5-chloro-7-methylsulfanylpyrazolo[1,5-a]pyrimidine
CAS 779353-56-9C7H5BrClN3S
5-Chloropyrazolo(1,5-a)pyrimidine chemical structure, C6H4ClN3, CAS 29274-24-6
5-Chloropyrazolo(1,5-a)pyrimidine
CAS 29274-24-6C6H4ClN3
7-Methylpyrazolo[1,5-a]pyrimidin-3-amine chemical structure, C7H8N4, CAS 232600-95-2
7-Methylpyrazolo[1,5-a]pyrimidin-3-amine
CAS 232600-95-2C7H8N4
5-Methylpyrazolo[1,5-a]pyrimidin-3-amine chemical structure, C7H8N4, CAS 232600-96-3
5-Methylpyrazolo[1,5-a]pyrimidin-3-amine
CAS 232600-96-3C7H8N4