3-[2-(Methylsulfonyl)-4-pyrimidinyl]pyrazolo[1,5-b]pyridazine CAS 681432-34-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 681432-34-8 |
| Molecular Formula | C11H9N5O2S |
| Molecular Weight | 275.29 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-[2-(Methylsulfonyl)-4-pyrimidinyl]pyrazolo[1,5-b]pyridazine (CAS 681432-34-8) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C11H9N5O2S. Molecular weight: 275.29 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C11H9N5O2S |
| Molecular Weight | 275.29 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Nitrogen Atoms | 5 |
| Sulfur Atoms | 1 |
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Recommended Standards
- 3-(Pyrrolidin-1-yl)-5-(trifluoromethyl)pyridine-2-carbothioamide (CAS 257287-82-4)
- 4-(2-Methyl-8-nitroimidazo[1,2-a]pyridin-3-yl)thiazol-2-amine (CAS 886507-43-3)
- 2-(2-(Benzyloxy)-3,5-difluorophenyl)cyclopropan-1-amine (CAS 1784703-61-2)
- 8-Methyldecan-1-ol (CAS 106593-58-2)
- [(2-hexylcyclopentylidene)amino]thiourea (CAS 321673-30-7)
- 1-(1-Methyl-3-(trifluoromethyl)-1H-pyrazol-4-yl)-N-((1-propyl-1H-pyrazol-3-yl)methyl)methanamine hydrochloride (CAS 1856031-46-3)
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Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com