4,7-Dichlorothiazolo[4,5-d]pyridazine CAS 13669-90-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 13669-90-4 |
| Molecular Formula | C5HCl2N3S |
| Molecular Weight | 206.05 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 4,7-Dichlorothiazolo[4,5-d]pyridazine (CAS 13669-90-4), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C5HCl2N3S. Molecular weight: 206.05 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C5HCl2N3S |
| Molecular Weight | 206.05 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) | 6.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1960 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Dichlorothiazolo Standards
- 5,7-Dichlorothiazolo[4,5-d]pyrimidine (CAS 1137278-39-7)
- 5,7-Dichlorothiazolo[5,4-d]pyrimidine (CAS 13479-88-4)
- 2,5-Dichlorothiazolo[5,4-d]pyrimidine (CAS 13479-89-5)
- 2,7-Dichlorothiazolo[5,4-d]pyrimidine (CAS 19602-61-0)
- 2,6-Dichlorothiazolo[4,5-c]pyridine (CAS 1206980-92-8)
- 2,6-Dichlorothiazolo[5,4-b]pyridine (CAS 159870-89-0)
- 2,5-Dichlorothiazolo[4,5-b]pyridine (CAS 2567498-97-7)
- 2,5-Dichlorothiazolo[5,4-b]pyridine (CAS 857970-66-2)
Recommended Standards
- (4-(Cyclopropylmethoxy)-3-methylphenyl)boronic acid (CAS 1350513-26-6)
- (4-Methyl-6-(pyrrolidin-1-yl)pyridin-3-yl)boronic acid (CAS 1704069-45-3)
- 2,5-Bis(trifluoromethyl)-1,3,4-oxadiazole (CAS 1868-48-0)
- 1-(4-Fluoro-2-iodophenyl)-1h-pyrazole-3-carboxylic acid (CAS 1540013-00-0)
- 2-(2-Aminophenyl)-7-methoxyquinoline-5,8-dione (CAS 61472-48-8)
- 2-Hydroxy-2-phenylmalonamide (CAS 53696-75-6)
- 4-Chloro-2-(trifluoromethyl)-5,6,7,8-tetrahydropyrido[3,4-d]pyrimidine (CAS 763925-38-8)
- 2-Chloro-n-ethyl-n-{[(thiophen-2-ylmethyl)carbamoyl]methyl}acetamide (CAS 874594-85-1)
- 2-[(dimethoxyphosphoryl)oxy]-1h-benzo[de]isoquinoline-1,3(2h)-dione 65973-73-1 AR-1D6185 (CAS 65973-73-1)
- Semaglutide Impurity 165 (CAS CATO-C4X-2226165)
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