Pioglitazone Hydrochloride EP Impurity D CAS CATO-C4X-138339
| CAS No. | CATO-C4X-138339 |
| Molecular Formula | C21H26N2O4S |
| Molecular Weight | 402.51 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Pioglitazone Hydrochloride EP Impurity D (C21H26N2O4S) contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Pioglitazone Hydrochloride EP Impurity D (CAS CATO-C4X-138339) is a certified pharmaceutical impurity reference standard with the molecular formula C21H26N2O4S and a molecular weight of 402.51 g/mol.
Recommended for quantitative analysis by HPLC, GC, LC-MS/MS, or GC-MS as an external calibration standard; it can also be used for spiked-recovery experiments, LOD/LOQ determination, and LC-MS/MS multiple-reaction-monitoring (MRM) calibration.
CATO manufactures Pioglitazone Hydrochloride EP Impurity D under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C21H26N2O4S |
| Molecular Weight | 402.51 g/mol |
| Purity | >95% |
| 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 |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Pioglitazone Standards
- Pioglitazone EP Impurity D (CAS 868754-41-0)
- Pioglitazone impurity 50 (CAS CATO-C4X-138350)
- Pioglitazone impurity 44 (CAS CATO-C4X-138344)
- Pioglitazone impurity 47 (CAS 146062-48-8)
- Pioglitazone Sulfonic Acid (CAS 625853-73-8)
- Pioglitazone EP Impurity F (CAS 1391052-15-5)
- Pioglitazone Impurity 02 (CAS 101931-00-4)
- Pioglitazone (CAS 625853-74-9)
Recommended Standards
- Tert-butyl 4-(2-methyl-6-((5-vinylthiazol-2-yl)amino)pyrimidin-4-yl)piperazine-1-carboxylate (CAS 936845-86-2)
- N-tert-Butyl-2-(4-methoxybenzenesulfonyl)-1,2,3,4-tetrahydroisoquinoline-3-carboxamide (CAS 318517-28-1)
- Trilaciclib Impurity 11 (CAS 2170746-99-1)
- N'-(4-Isopropylbenzylidene)-3-methyl-1-phenyl-1H-thieno[2,3-c]pyrazole-5-carbohydrazide (CAS 402839-74-1)
- Celecoxib Impurity 29 (CAS 36966-84-4)
- Vericiguat Impurity 101 (CAS 1374344-58-7)
- Dexpanthenol Impurity 17 (CAS CATO-C4X-161317)
- 1-Bromo-3-((1E,3E)-4-phenylbuta-1,3-dien-1-yl)benzene (CAS 174967-28-3)
- 5-(1-Methyl-pyrrolidin-2-yl)-pyridin-2-ylamine dihydrochloride (CAS 104395-87-1)
- 4-Mercaptophenylpropionic Acid (CAS 63545-55-1)
- Glipizide Impurity 39 (CAS CATO-C4X-140739)
- (7-Bromoquinolin-6-yl)methanamine (CAS 1379365-17-9)
- cis-(3-Fluorocyclobutyl)methamine (CAS 1260670-53-8)
- Cholecystokinin Octapeptide free acid (desulfated) (H-2075.0001) (CAS 103974-46-5)
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 18665070610 / Nicole.chen@cato-chem.com