Acetazolamide Impurity 8 CAS 4454-63-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 4454-63-1 |
| Molecular Formula | C4H4ClN3OS |
| Molecular Weight | 177.61 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity Acetazolamide Impurity 8 (CAS 4454-63-1) pharmaceutical standards reference standard. Molecular formula: C4H4ClN3OS. Molecular weight: 177.61 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C4H4ClN3OS |
| Molecular Weight | 177.61 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.) | 1958 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Acetazolamide Standards
- Acetazolamide EP Impurity A (CAS 60320-32-3)
- Acetazolamide EP Impurity C (CAS 32873-56-6)
- Acetazolamide EP Impurity D (CAS 14949-00-9)
- Acetazolamide Impurity 7 (CAS 50608-12-3)
- Acetazolamide EP Impurity B (CAS 5393-55-5)
- Acetazolamide EP Impurity G (CAS 2349-67-9)
- Acetazolamide (CAS 59-66-5)
- Acetazolamide EP Impurity E (CAS 827026-60-8)
Recommended Standards
- 6-Chloropyridine-3-sulfinic acid (CAS 99903-02-3)
- Methyl 2-chloro-1,3-thiazole-4-carboxylate (CAS 850429-61-7)
- 5-Chloro-3-methylisothiazole-4-carboxylic acid (CAS 22131-56-2)
- 7-Chloro-N-ethyl-4-nitro-N-phenylbenzo[c][1,2,5]oxadiazol-5-amine (CAS 664988-56-1)
- 2-Pentylquinazolin-4(1H)-one (CAS 88976-09-4)
- 2,4-Dichloro-5-fluoroimidazo[1,5-b]pyridazine (CAS 2761197-14-0)
- 5-methyl-4-(piperidin-1-ylmethyl)isoxazole-3-carboxylic acid (CAS 1431970-09-0)
- 1,2,3,4-Tetrahydroquinoline-8-carboxylic Acid (CAS 34849-19-9)
- 4-[(cyanomethane)sulfonyl]benzoic acid (CAS 797035-88-2)
- D-β-Asp15-Tirzepatide (CAS CATO-CPTD788930)
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