5,6-Dichloropyridazin-4-ol CAS 55609-72-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 55609-72-8 |
| Molecular Formula | C4H2Cl2N2O |
| Molecular Weight | 164.98 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 5,6-Dichloropyridazin-4-ol (CAS 55609-72-8), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C4H2Cl2N2O. Molecular weight: 164.98 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C4H2Cl2N2O |
| Molecular Weight | 164.98 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| 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) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1972 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Dichloropyridazin Standards
- 5,6-Dichloropyridazin-4-ol (CAS 111232-47-4)
- 5,6-Dichloropyridazin-3(2H)-one (CAS 17285-36-8)
- 4,6-Dichloropyridazin-3(2H)-one (CAS 17285-37-9)
- 3,6-Dichloropyridazin-4(1H)-one (CAS 53337-81-8)
- 3,6-Dichloropyridazin-4-o (CAS 2779-81-9)
- 4,6-dichloropyridazin-3-amine (CAS 1161847-28-4)
- 4,5-dichloropyridazin-3-amine (CAS 1351000-23-1)
- 5,6-dichloropyridazin-4-amine (CAS 89180-50-7)
Recommended Standards
- 5,6-Dichloro-4-hydroxypyrimidine (CAS 88982-91-6)
- Dichloro-1,2,4-triazin-5-amine (CAS 823-62-1)
- 4-Chloro-1h-pyrazole-3-carbonyl chloride (CAS 717871-75-5)
- 1-(4-Phenoxyphenyl)-5-phenyl-4,5-dihydro-1h-pyrazole-3-carboxylic acid (CAS 1264042-88-7)
- Pyridazine-3,5-diol (CAS 17285-29-9)
- Methyl (r)-3-(3-chlorophenyl)-3-hydroxypropanoate (CAS 135505-20-3)
- (2R,3R)-3-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-2-hydroxy-3-(4-methoxyphenyl)propanoic acid (CAS 1217606-50-2)
- (2E)-3-{4-[(3-chlorophenyl)methoxy]phenyl}-1-(morpholin-4-yl)prop-2-en-1-one (CAS 477871-23-1)
- 3,3',4,5,5'-Pentabromobiphenyl (CAS 81902-33-2)
- Insulin Degludec Impurity 27 (CAS CATO-C4X-215727)
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