7-Chloro-4H-pyrimido[1,2-b]pyridazin-4-one CAS 88820-50-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 88820-50-2 |
| Molecular Formula | C7H4ClN3O |
| Molecular Weight | 181.58 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
7-Chloro-4H-pyrimido[1,2-b]pyridazin-4-one (CAS 88820-50-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C7H4ClN3O. Molecular weight: 181.58 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C7H4ClN3O |
| Molecular Weight | 181.58 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1982 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
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Recommended Standards
- 7-Chloro-2H-pyrimido[1,2-b]pyridazin-2-one (CAS 88820-44-4)
- 7-Chlorobenzo[d][1,2,3]triazin-4(1H)-one (CAS 36772-63-1)
- 6-Chloroisatin (CAS 6341-92-0)
- (4-Chloro-3,5-dimethyl-1H-pyrazol-1-yl)acetic acid (CAS 374913-86-7)
- (S)-2,2',2'',2'''-(2-(4-Aminobenzyl)-1,4,7,10-tetraazacyclododecane-1,4,7,10-tetrayl)tetraacetic acid (CAS 181065-46-3)
- 4-Fluoropyrrolidin-3-ol (CAS 1309682-76-5)
- 5-Amino-2-(4-methylpiperazin-1-yl)benzoic acid (CAS 168123-44-2)
- Trimethylarsine (CAS 593-88-4)
- 2-(4-Methylpiperazin-1-yl)-5,6,7,8-tetrahydroquinazolin-6-amine (CAS 929973-86-4)
- Des-Pro31-Tirzepatide (CAS CATO-CPTD788943)
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