Pioglitazone impurity 26 CAS 446052-43-3
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 446052-43-3 |
| Molecular Formula | C21H27ClN2O4S |
| Molecular Weight | 438.97 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Pioglitazone impurity 26 (CAS 446052-43-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C21H27ClN2O4S. Molecular weight: 438.97 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C21H27ClN2O4S |
| Molecular Weight | 438.97 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Pioglitazone Standards
- Pioglitazone EP Impurity F (CAS 1391052-15-5)
- Pioglitazone impurity 50 (CAS CATO-C4X-138350)
- Pioglitazone Hydrochloride EP Impurity D (CAS CATO-C4X-138339)
- Pioglitazone EP Impurity D (CAS 868754-41-0)
- Pioglitazone Impurity 2 (CAS CATO-C4X-13832)
- Pioglitazone impurity 52 (CAS CATO-C4X-138352)
- Pioglitazone impurity 57 (CAS 1147527-36-3)
- Pioglitazone impurity 44 (CAS CATO-C4X-138344)
Recommended Standards
- 3-Methylsulfonyl-2,2',3',4',5,6-hexachlorobiphenyl (CAS 149949-90-6)
- Benzthiazide-d7 (CAS 1794768-22-1)
- 3-Methylsulfonyl-2,2',4',5,5',6-hexachlorobiphenyl (CAS 149949-88-2)
- Glycerol Impurity 21 Sodium Salt (CAS 68900-73-2)
- Rotigotine EP Impurity K (CAS 51927-48-1)
- 5-Acetyl-3-bromo-2H-pyran-2-one (CAS 2092491-80-8)
- 2-((1-(2-Methoxyphenyl)ethyl)amino)propan-1-ol (CAS 1154988-12-1)
- 1,3-Difluoro-2-(4-methoxy-2-nitrophenoxy)-5-(trifluoromethyl)benzene (CAS 2244085-13-8)
- 3-(5-Chloro-2-methoxyphenyl)-4-nitro-1H-pyrazole (CAS 1708168-80-2)
- 302798-54-5 (Leu31,Pro34)-Neuropeptide Y (13-36) (human, rat) MFCD00672463 (CAS 302798-54-5)
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