Losartan Impurity 29 CAS 2204369-11-7
| CAS No. | 2204369-11-7 |
| Molecular Formula | C22H22ClN3O |
| Molecular Weight | 379.88 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
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.
Losartan Impurity 29 (CAS 2204369-11-7) is a certified pharmaceutical impurity reference standard with the molecular formula C22H22ClN3O and a molecular weight of 379.88 g/mol.
Based on its molecular formula C22H22ClN3O, Losartan Impurity 29 contains a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 379.88 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO manufactures Losartan Impurity 29 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 | C22H22ClN3O |
| Molecular Weight | 379.88 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light |
| 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1998 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related Losartan Standards
- Losartan Impurity 15 (CAS 114772-55-3)
- Losartan Impurity 51 (CAS CATO-C4X-168351)
- Losartan Impurity 61 (CAS CATO-C4X-168361)
- Losartan Impurity 28 (CAS 124750-67-0)
- Losartan Impurity 57 (CAS C4X-13305)
- Losartan Impurity N2 (CAS 1351793-76-4)
- Losartan Impurity 37 (CAS CATO-C4X-168337)
- Losartan Impurity 49 (CAS CATO-C4X-168349)
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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