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766-55-2 - Imidazo[1,2-b]pyridazine, 98% - H61377 - Alfa Aesar

H61377 Imidazo[1,2-b]pyridazine, 98%

CAS Number

Size Price ($) Quantity Availability
5g 37.39
25g 130.40
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Imidazo[1,2-b]pyridazine, 98%


Chemical Properties

Formula Weight
Melting point
Soluble in dimethylformamide.


Imidazo[1,2-b]pyridazine is used as an intermediate of cefozopran, building block and in fused ring systems.


Keep container tightly sealed. Store in cool, dry conditions in well sealed containers. Incompatible with oxidizing agents.

Literature References

J. Kobe.; B. Stanovnik.; T. Tišler. Synthesis of pyridazine derivatives—XV: Some electrophilic substitutions on imidazo[1,2-b]-pyridazines. Tetrahedron. 1968, 24 (1), 239-245.

Kate F Byth.; Nicola Cooper.; Janet D Culshaw.; David W Heaton.; Sandra E Oakes.; Claire A Minshull.; Richard A Norman.; Richard A Pauptit.; Julie A Tucker.; Jason Breed.; Andrew Pannifer.; Sian Rowsell.; Judith J Stanway.; Anna L Valentine.; Andrew P Thomas. Imidazo[1,2-b]pyridazines: a potent and selective class of cyclin-dependent kinase inhibitors. Bioorganic & Medicinal Chemistry Letters. 2004, 14 (9), 2249-2252.

GHS Hazard and Precautionary Statements

Hazard Statements: H315-H319-H335

Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.

Precautionary Statements: P261-P280-P305+P351+P338-P304+P340-P362-P312-P321-P405-P403+P233-P501a

Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves/protective clothing/eye protection/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Take off contaminated clothing and wash before reuse. Call a POISON CENTER or doctor/physician if you feel unwell. Specific treatment (see label). Store locked up. Store in a well-ventilated place. Keep container tightly closed. Dispose of contents/container in accordance with local/regional/national/international regulations.

Other References

Harmonized Tariff Code


  • 10525

    Phosphorus(V) oxychloride, 99%

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