4,5-Dichloropyridazine CAS 55271-49-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 55271-49-3 |
| Molecular Formula | C4H2Cl2N2 |
| Molecular Weight | 148.98 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4,5-Dichloropyridazine (CAS 55271-49-3) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C4H2Cl2N2. Molecular weight: 148.98 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C4H2Cl2N2 |
| Molecular Weight | 148.98 g/mol |
| 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 Dichloropyridazine Standards
- 3,5-Dichloropyridazine (CAS 1837-55-4)
- 3,6-Dichloropyridazine-1,2-<SUP>15</SUP>N<SUB>2</SUB>, 3,6-<SUP>13</SUP>C<SUB>2</ SUB> (CAS 1173020-62-6)
- 3,4-dichloropyridazine (CAS 1677-80-1)
- 3,6-dichloropyridazine 1-oxide (CAS 25974-26-9)
- 3,6-Dichloropyridazine-4-carbonitrile (CAS 35857-93-3)
- 4,6-Dichloropyridazine-3-carbonitrile (CAS 35857-90-0)
- 4,5-Dichloropyridazine-3,6-diol (CAS 6641-32-3)
- 4,6-Dichloropyridazine-3-carboxamide (CAS 1609394-50-4)
Recommended Standards
- 2,3-Dichloropyrazine (CAS 4858-85-9)
- 2,5-Dichloropyrimidine (CAS 22536-67-0)
- 2,5-Dichloropyrazine (CAS 19745-07-4)
- 3-(2-Amino-ethoxymethyl)-pyrrolidine-1-carboxylic acid tert-butyl ester (CAS 1353946-60-7)
- Damsin (CAS 1216-42-8)
- 2-[(3-hydroxypropyl)amino]propanenitrile (CAS 1018512-65-6)
- Methyl 5-oxo-4,5-dihydroisoxazole-3-carboxylate (CAS 882530-43-0)
- 8-(3-Chlorostyryl)caffeine (CAS 147700-11-6)
- Ilaprazole impurity 182 (CAS CATO-C4X-1130182)
- Neuroendocrine Regulatory Peptide-1 (human) (H-6622.1000) (CAS 954420-50-9)
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