Tolvaptan Impurity 41 CAS 1580889-32-2
| CAS No. | 1580889-32-2 |
| Molecular Formula | C25H21ClN2O3 |
| Molecular Weight | 432.90 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including Tolvaptan Impurity 41.
CATO supplies Tolvaptan Impurity 41 (CAS 1580889-32-2), a pharmacopoeial impurity reference standard (molecular formula C25H21ClN2O3, MW 432.90 g/mol) used for the identification and quantification of trace impurities in APIs.
Based on its molecular formula C25H21ClN2O3, Tolvaptan Impurity 41 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 432.90 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).
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 Tolvaptan Impurity 41 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 | C25H21ClN2O3 |
| Molecular Weight | 432.90 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1993 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Tolvaptan Standards
- Tolvaptan Impurity 99 (CAS 137977-35-6)
- Tolvaptan Impurity 40 (CAS 176970-21-1)
- Tolvaptan Impurity 23 (CAS 1580889-33-3)
- Tolvaptan Impurity 24 (CAS 150683-27-5)
- Tolvaptan Impurity 4 (CAS 1133419-00-7)
- Tolvaptan Impurity 14 (CAS 137973-76-3)
- Tolvaptan Impurity 67 (CAS 1580889-26-4)
- Tolvaptan Impurity 68 (CAS 1580889-24-2)
Recommended Standards
- Purvalanol B (CAS 212844-54-7)
- 1,5-Diethyl (2E,4E)-4-{amino[4-(4-chlorophenyl)piperazin-1-yl]methylidene}-2-cyanopent-2-enedioate (CAS 338406-34-1)
- Sivelestat Impurity 33 (CAS CATO-C4X-212333)
- 1-(3-Chloro-4-methylphenyl)-3-(1-methyl-2-oxo-5-phenyl-2,3-dihydro-1H-1,4-benzodiazepin-3-yl)urea (CAS 548749-23-1)
- Atracurium Impurity 30 (CAS 64228-78-0)
- Finerenone Impurity 259 (CAS CATO-C4X-2880259)
- Megestrol Acetate EP Impurity D (CAS 32634-95-0)
- 1-((((Tetrahydrofuran-2-yl)methyl)amino)methyl)cyclohexan-1-ol (CAS 1183011-89-3)
- N-(3-cyano-4-methoxyphenyl)acetamide (CAS 321945-81-7)
- [R-(E)]-2-Ethylidene-1,5-dimethyl-3,3-diphenyl-pyrrolidine (R-EDDP) (1.0 mg/mL in Methanol) (CAS 106293-55-4)
- 2-Ethoxy-4-((trimethylsilyl)oxy)pyrimidine (CAS 171109-23-2)
- 3-methyl-1-(1H-pyrazol-4-ylmethyl)urea (CAS 1547156-50-2)
- N-Hydroxy-N-(pyridin-4-yl)hydroxylamine (CAS 148216-77-7)
- Peptide 431 (CAS CATO-CPTD788431)
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