Glipizide Impurity 34 CAS 14511-59-2
| CAS No. | 14511-59-2 |
| Molecular Formula | C19H21ClN2O6S |
| Molecular Weight | 440.90 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C19H21ClN2O6S, Glipizide Impurity 34 contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 440.90 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
As a process- or degradation-related impurity, Glipizide Impurity 34 (CAS 14511-59-2, C19H21ClN2O6S) is essential for impurity profiling, related-substances testing, and forced-degradation studies in pharmaceutical development.
This reference standard supports related-substances testing and method development in line with ICH Q3A/Q3B guidance on impurity control, and is suitable for system suitability testing and forced-degradation studies.
CATO manufactures Glipizide Impurity 34 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 | C19H21ClN2O6S |
| Molecular Weight | 440.90 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1961 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Glipizide Standards
- Glipizide Impurity 39 (CAS CATO-C4X-140739)
- Glipizide Impurity 25 (CAS CATO-C4X-140725)
- Glipizide Impurity 33 (CAS CATO-C4X-140733)
- Glipizide EP Impurity E (CAS 66375-96-0)
- Glipizide (CAS 29094-61-9)
- Glipizide EP Impurity I (CAS 10079-35-3)
- Glipizide Impurity 49 (CAS CATO-C4X-140749)
- Glipizide Impurity 50 (CAS CATO-C4X-140750)
Recommended Standards
- N'-[(1E)-{4-[(4-chlorophenyl)sulfanyl]-3-nitrophenyl}methylidene]-2-(phenylamino)acetohydrazide (CAS 329058-87-9)
- 1,1',1''-(Benzene-1,3,5-triyl)tris(2-bromoethanone) (CAS 38460-56-9)
- N-(5-Chloro-3-(phenylsulfonyl)-1H-indol-2-yl)-2-phenoxyacetamide (CAS 918493-89-7)
- 4-(((6-Amino-3-(4-chlorophenyl)pyrido[2,3-b]pyrazin-8-yl)amino)methyl)benzenesulfonamide (CAS 28643-00-7)
- Parecoxib Impurity 8 (CAS 181696-35-5)
- Biapenem impurity 8 (CAS CATO-C4X-22738)
- Clenbuterol impurity 12 (CAS CATO-C4X-199312)
- 4,6-Dichloro-2-isobutylpyrimidin-5-amine (CAS 61457-01-0)
- 3-Ethoxy-4-hydroxybenzaldehyde (CAS 121-32-4)
- 12:0-13:0PI (CAS 1246304-58-4)
- 3-Fluoro-5-(2-hydroxypropan-2-yl)thiophene-2-sulfonamide (CAS 2271371-32-3)
- Neuromedin U-23 (rat) (CAS 117505-80-3)
- 1-Oxo-2-(o-tolyl)-1,2,3,6,7,7a-hexahydro-3a,6-epoxyisoindole-7-carboxylic acid (CAS 436810-98-9)
- Cycloaspeptide D (CAS 691363-62-9)
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 18665070610 / Nicole.chen@cato-chem.com