Valganciclovir Impurity 7 CAS 1401661-96-8
| CAS No. | 1401661-96-8 |
| Molecular Formula | C29H44N12O10 |
| Molecular Weight | N/A |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
As a process- or degradation-related impurity, Valganciclovir Impurity 7 (CAS 1401661-96-8, C29H44N12O10HCl) is essential for impurity profiling, related-substances testing, and forced-degradation studies in pharmaceutical development.
Valganciclovir Impurity 7 (C29H44N12O10HCl) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. It is notably hygroscopic, halogen substitution raises its density and boiling point, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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.
As a certified reference material (CRM), Valganciclovir Impurity 7 meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C29H44N12O10 HCl |
| Molecular Weight | 757.20 g/mol |
| Purity | >90% |
| 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 12 |
Related Valganciclovir Standards
- Valganciclovir EP Impurity O (CAS 119089-68-8)
- Valganciclovir Hydrochloride EP Impurity C (CAS 1202645-50-8)
- Valganciclovir USP RC D (CAS 1219792-42-3（free base）)
- Valganciclovir Impurity 8 (CAS 1356353-76-8)
- Valganciclovir Impurity 3 (CAS 1356847-27-2)
- Valganciclovir Impurity 14 (CAS 1356932-18-7)
- Valganciclovir Impurity 6 (CAS 1356932-88-1)
- Valganciclovir Isomer (CAS 1393911-57-3)
Recommended Standards
- Bisoprolol EP Impurity T (CAS 1173203-26-3)
- Bezafibrate Impurity 10 (CAS 41859-56-7)
- Lorcaserin impurity 10 (CAS CATO-C4X-114310)
- Tert-butyl 2-oxo-1,6-diazaspiro[3.5]Nonane-6-carboxylate (CAS 1694547-78-8)
- 3-(5-(4-Fluorophenyl)-4H-1,2,4-triazol-3-yl)aniline (CAS 1203296-31-4)
- Ruxolitinib Impurity 221 (CAS CATO-C4X-2058221)
- 1-(5-Bromo-3-fluoropyridin-2-yl)propan-1-amine (CAS 1270426-95-3)
- 2'-Fluoro-2-(methoxymethyl)-[1,1'-biphenyl]-4-carboxylic acid (CAS 1243559-19-4)
- 3-Fluoro-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine (CAS 1309982-68-0)
- Macrophage Inhibitory Peptide (CAS 41961-56-2)
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