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Murcko scaffold

Pyrazolo[1,5-b]pyridazine scaffold

72 chemicals on CompoundList share this ring system.

Rings
2
Scaffold atoms
9
Chemicals
72
With full pages
9
Scaffold SMILES

c1cnn2nccc2c1

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-b]pyridazine page
Murcko scaffold c1cnn2nccc2c1

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 1 to 48 of 72 chemicals

1-(6-Methoxypyrazolo[1,5-B]pyridazin-3-yl)ethanone chemical structure, C9H9N3O2, CAS 551920-20-8
1-(6-Methoxypyrazolo[1,5-B]pyridazin-3-yl)ethanone
CAS 551920-20-8C9H9N3O2
1-(6-Methylpyrazolo[1,5-b]pyridazin-3-yl)ethanone chemical structure, C9H9N3O, CAS 748141-93-7
1-(6-Methylpyrazolo[1,5-b]pyridazin-3-yl)ethanone
CAS 748141-93-7C9H9N3O
1-(6-Ethoxypyrazolo[1,5-b]pyridazin-3-yl)ethanone chemical structure, C10H11N3O2, CAS 748141-86-8
1-(6-Ethoxypyrazolo[1,5-b]pyridazin-3-yl)ethanone
CAS 748141-86-8C10H11N3O2
1-{Pyrazolo[1,5-b]pyridazin-3-yl}ethan-1-one chemical structure, C8H7N3O, CAS 551919-57-4
1-{Pyrazolo[1,5-b]pyridazin-3-yl}ethan-1-one
CAS 551919-57-4C8H7N3O
1-(5-Methoxypyrazolo[1,5-b]pyridazin-3-yl)ethanone chemical structure, C9H9N3O2, CAS 748142-02-1
1-(5-Methoxypyrazolo[1,5-b]pyridazin-3-yl)ethanone
CAS 748142-02-1C9H9N3O2
(2E)-3-(Dimethylamino)-1-(6-methoxypyrazolo[1,5-b]pyridazin-3-yl)-2-propen-1-one chemical structure, C12H14N4O2, CAS 551920-19-5
(2E)-3-(Dimethylamino)-1-(6-methoxypyrazolo[1,5-b]pyridazin-3-yl)-2-propen-1-one
CAS 551920-19-5C12H14N4O2
1-(6-Propoxypyrazolo[1,5-b]pyridazin-3-yl)ethanone chemical structure, C11H13N3O2, CAS 748141-90-4
1-(6-Propoxypyrazolo[1,5-b]pyridazin-3-yl)ethanone
CAS 748141-90-4C11H13N3O2
Zgmlpeyopajlsn-uhfffaoysa- chemical structure, C7H4ClN3O2, CAS 74301-99-8
Zgmlpeyopajlsn-uhfffaoysa-
CAS 74301-99-8C7H4ClN3O2
Methyl pyrazolo[1,5-b]pyridazine-3-carboxylate chemical structure, C8H7N3O2, CAS 53946-83-1
Methyl pyrazolo[1,5-b]pyridazine-3-carboxylate
CAS 53946-83-1C8H7N3O2
Pyrazolo[1,5-b]pyridazine-3-carboxylic acid chemical structure, C7H5N3O2, CAS 88561-91-5
Pyrazolo[1,5-b]pyridazine-3-carboxylic acid
CAS 88561-91-5C7H5N3O2
1-(2-Methylpyrazolo[1,5-B]pyridazin-3-yl)ethan-1-one chemical structure, C9H9N3O, CAS 53902-61-7
1-(2-Methylpyrazolo[1,5-B]pyridazin-3-yl)ethan-1-one
CAS 53902-61-7C9H9N3O
1-(6-Propan-2-yloxypyrazolo[1,5-b]pyridazin-3-yl)ethanone chemical structure, C11H13N3O2, CAS 551920-25-3
1-(6-Propan-2-yloxypyrazolo[1,5-b]pyridazin-3-yl)ethanone
CAS 551920-25-3C11H13N3O2
1-(2-Ethylpyrazolo[1,5-b]pyridazin-3-yl)ethanone chemical structure, C10H11N3O, CAS 551920-11-7
1-(2-Ethylpyrazolo[1,5-b]pyridazin-3-yl)ethanone
CAS 551920-11-7C10H11N3O
Pyrazolo[1,5-b]pyridazin-3-amine hydrochloride chemical structure, C6H7ClN4, CAS 136577-24-7
Pyrazolo[1,5-b]pyridazin-3-amine hydrochloride
CAS 136577-24-7C6H7ClN4
Pyrazolo[1,5-b]pyridazin-3-amine chemical structure, C6H6N4, CAS 677761-41-0
Pyrazolo[1,5-b]pyridazin-3-amine
CAS 677761-41-0C6H6N4
Pyrazolo[1,5-b]pyridazine chemical structure, C6H5N3, CAS 35731-27-2
Pyrazolo[1,5-b]pyridazine
CAS 35731-27-2C6H5N3
Pyrazolo[1,5-b]pyridazine-3-carbaldehyde chemical structure, C7H5N3O, CAS 87754-35-6
Pyrazolo[1,5-b]pyridazine-3-carbaldehyde
CAS 87754-35-6C7H5N3O
Methyl 6-methoxypyrazolo[1,5-b]pyridazine-3-carboxylate chemical structure, C9H9N3O3, CAS 1263279-79-3
Methyl 6-methoxypyrazolo[1,5-b]pyridazine-3-carboxylate
CAS 1263279-79-3C9H9N3O3
3-Bromo-6-methoxypyrazolo[1,5-b]pyridazine chemical structure, C7H6BrN3O, CAS 1246552-73-7
3-Bromo-6-methoxypyrazolo[1,5-b]pyridazine
CAS 1246552-73-7C7H6BrN3O
3-Bromopyrazolo(1,5-b)pyridazine chemical structure, C6H4BrN3, CAS 1137949-68-8
3-Bromopyrazolo(1,5-b)pyridazine
CAS 1137949-68-8C6H4BrN3
Ethyl pyrazolo[1,5-B]pyridazine-3-carboxylate chemical structure, C9H9N3O2, CAS 55259-43-3
Ethyl pyrazolo[1,5-B]pyridazine-3-carboxylate
CAS 55259-43-3C9H9N3O2
(2E)-3-(Dimethylamino)-1-(2-methylpyrazolo[1,5-b]pyridazin-3-yl)-2-propen-1-one chemical structure, C12H14N4O, CAS 551920-08-2
(2E)-3-(Dimethylamino)-1-(2-methylpyrazolo[1,5-b]pyridazin-3-yl)-2-propen-1-one
CAS 551920-08-2C12H14N4O
Pyrazolo[1,5-b]pyridazine-2-carboxylic acid chemical structure, C7H5N3O2, CAS 53902-75-3
Pyrazolo[1,5-b]pyridazine-2-carboxylic acid
CAS 53902-75-3C7H5N3O2
2-Pentylpyrazolo[1,5-B]pyridazine-3-carboxylic acid chemical structure, C12H15N3O2, CAS 88561-90-4
2-Pentylpyrazolo[1,5-B]pyridazine-3-carboxylic acid
CAS 88561-90-4C12H15N3O2