Azilsartan Impurity 46 CAS 1696392-12-7
| CAS No. | 1696392-12-7 |
| Molecular Formula | C29H25N3O7 |
| Molecular Weight | 527.52 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Azilsartan Impurity 46 (CAS 1696392-12-7) is a certified pharmaceutical impurity reference standard with the molecular formula C29H25N3O7 and a molecular weight of 527.52 g/mol.
The molecular framework of Azilsartan Impurity 46 (C29H25N3O7) is characterized by a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.
Physical & Chemical Properties
| Molecular Formula | C29H25N3O7 |
| Molecular Weight | 527.52 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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) | 19.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1994 |
| Nitrogen Atoms | 3 |
Related Azilsartan Standards
- Azilsartan Impurity 139 (CAS CATO-C4X-1096139)
- Azilsartan Impurity 71 (CAS CATO-C4X-109671)
- Azilsartan Impurity 24 (CAS 1403474-75-8)
- Azilsartan Impurity N3 (CAS 147404-82-8)
- Azilsartan Impurity 116 (CAS CATO-C4X-1096116)
- Azilsartan Impurity 25 (CAS 1584730-02-8)
- Azilsartan impurity 147 (CAS CATO-C4X-1096147)
- Azilsartan Impurity 183 (CAS CATO-C4X-1096183)
Recommended Standards
- Pirozadil (CAS 54110-25-7)
- Doxorubicin Impurity 26 (CAS CATO-C4X-203326)
- Esorubicin (CAS 63521-85-7)
- Gadoxetate Impurity 14 (CAS 158599-72-5)
- Lurasidone Impurity N67 (CAS 194861-74-0)
- Minoxidil Impurity 30 (CAS CATO-C4X-170030)
- Suzetrigine Impurity 45 (CAS CATO-C4X-336945)
- 3-(3-Chlorobenzoyl)-4-methylpyridine (CAS 158978-30-4)
- (S)-1-Benzyl-2-phenylpiperidin-4-one (CAS 1346773-44-1)
- Ethyl beta-D-Glucuronide (CAS 17685-04-0)
- 4-(2,6-Diphenylpyrimidin-4-yl)aniline (CAS 130090-20-9)
- Bradykinin (2-9) (CAS 16875-11-9)
- Sodium (R)-1-phenylethanesulfinate (CAS 1638787-82-2)
- Des-Ala18-Tirzepatide (CAS CATO-CPTD788955)
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