7-Chloro-3,4-dihydro-2H-pyrimido[1,2-b]pyridazin-2-one CAS 24439-16-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 24439-16-5 |
| Molecular Formula | C7H6ClN3O |
| Molecular Weight | 183.60 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
7-Chloro-3,4-dihydro-2H-pyrimido[1,2-b]pyridazin-2-one (CAS 24439-16-5) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C7H6ClN3O. Molecular weight: 183.60 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C7H6ClN3O |
| Molecular Weight | 183.60 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1963 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related Chloro Standards
- 3-Chloro-1-methyl-1H-pyrazolo[3,4-d]pyrimidin-6-amine (CAS 100367-42-8)
- 4-Chloro-3,6-dimethylisoxazolo[5,4-d]pyrimidine (CAS 1023758-00-0)
- (6-Chloro-7H-purin-8-yl)methanamine (CAS 1044770-59-3)
- 7-Chloro-5-methoxy-1H-benzo[d][1,2,3]triazole (CAS 1086836-89-6)
- 6-Chloro-3-methyl-1H-pyrazolo[4,3-c]pyridin-4(5H)-one (CAS 120422-89-1)
- 2-Chloro-8-methoxy-[1,2,4]triazolo[1,5-a]pyridine (CAS 1207970-17-9)
- 4-Chloro-5-methyl-5H-pyrrolo[2,3-d]pyrimidin-6(7H)-one (CAS 1226804-06-3)
- 2-Chloro-4-hydrazinyl-5H-pyrrolo[2,3-d]pyrimidine (CAS 1260667-61-5)
Recommended Standards
- 6-Chloroimidazo[1,2-b]pyridazine-3-methanol (CAS 675580-49-1)
- 7-Chloro-5-methoxyimidazo[1,2-c]pyrimidine (CAS 96225-61-5)
- 6-Chloro-9-methyl-9H-purin-2-amine (CAS 3035-73-2)
- Pelargonidin-3-O-(6-(malonyl)-glucoside) (CAS 165070-68-8)
- N,N-Dimethyl-4-(pyrrolidin-2-yl)aniline oxalate (CAS 1177354-45-8)
- Iohexol Impurity 11 (CAS 76820-35-4)
- tert-Butyl 4-(pyridin-2-yl)piperazine-1-carboxylate (CAS 77278-62-7)
- 2-(1-methyl-1H-1,2,4-triazol-5-yl)acetic acid (CAS 1248789-39-0)
- 2-Chloromethyl-7-fluorobenzo[d]thiazole, 97% (CAS 202396-51-8)
- Semaglutide Impurity 144 (CAS 394210-59-4)
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