(S)-Tolvaptan CAS 331947-44-5
| CAS No. | 331947-44-5 |
| Molecular Formula | C26H25ClN2O3 |
| Molecular Weight | 448.94 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, (S)-Tolvaptan (C26H25ClN2O3) contains a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 15.0, corresponding to approximately 15 ring(s) or double-bond equivalent(s). With a molecular weight of 448.94 g/mol, it falls into the moderately-high-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
(S)-Tolvaptan (CAS 331947-44-5), molecular formula C26H25ClN2O3 and molecular weight 448.94 g/mol, is a CATO reference standard with documented purity and traceability.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures (S)-Tolvaptan 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 | C26H25ClN2O3 |
| Molecular Weight | 448.94 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| 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) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related S Standards
- (R)-Tolvaptan (CAS 331947-66-1)
- Tolvaptan Impurity 111 (CAS CATO-C4X-1955111)
- Tolvaptan Impurity 26 (CAS 1580889-25-3)
- Tolvaptan (CAS 150683-30-0)
- Tolvaptan Impurity 69 (CAS 1580889-27-5)
- Tolvaptan Impurity 14 (CAS 137973-76-3)
- Tolvaptan Impurity 67 (CAS 1580889-26-4)
- Tolvaptan Impurity 68 (CAS 1580889-24-2)
Recommended Standards
- 2-{[(2-chloro-6-fluorophenyl)methyl]sulfanyl}-4-(4-methylphenyl)-1H,4H,5H-indeno[1,2-d]pyrimidin-5-one (CAS 691873-09-3)
- Lirequinil (CAS 143943-73-1)
- Palladium dineodecanoate (CAS 68228-02-4)
- 1-(4-Bromo-2-hydroxyphenyl)-2-(2,5-dibromophenyl)ethanone, 97% (CAS 1403991-85-4)
- 1-(3-Ethyl-3H-imidazo[4,5-b]pyridin-2-yl)-N-methylmethanamine (CAS 1343469-41-9)
- 5-Chloro-3-(phenyldiazenyl)-1-(3-(trifluoromethyl)benzyl)-1H-indol-2-ol (CAS 303984-80-7)
- Diethyl 2-(4-fluorobenzoyl)malonate (CAS 174403-79-3)
- 3-(6-Amino-8-bromo-3H-purin-3-yl)-2-oxopropanal (CAS 169776-86-7)
- Ethyl 2-(2-ethylphenoxy)acetate (CAS 100256-84-6)
- 2,4-Diaminopyrimidine-5-boronic acid pinacol ester, 97% (CAS 944401-61-0)
- Ensifentrine Impurity 28 (CAS 1266868-06-7)
- Propranolol Impurity 24 (CAS 20133-94-2)
- Ibrutinib Impurity 17 (CAS CATO-C4X-106417)
- Semaglutide impurity 260 (CAS CATO-C4X-2226260)
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