Tolvaptan Impurity 4 CAS 1133419-00-7
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 1133419-00-7 |
| Molecular Formula | C20H20ClNO5S |
| Molecular Weight | 421.89 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Tolvaptan Impurity 4 (CAS 1133419-00-7) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C20H20ClNO5S. Molecular weight: 421.89 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C20H20ClNO5S |
| Molecular Weight | 421.89 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Tolvaptan Standards
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- Tolvaptan Impurity 124 (CAS CATO-C4X-1955124)
- Tolvaptan Impurity 89 (CAS 137977-65-2)
- Tolvaptan Impurity 41 (CAS 1580889-32-2)
- Tolvaptan Impurity 99 (CAS 137977-35-6)
- Tolvaptan Impurity 118 (CAS CATO-C4X-1955118)
Recommended Standards
- Mosapride Impurity 36 (CAS 112886-56-3)
- 1-(4-chloro-2-nitrobenzenesulfonyl)-4-[(2E)-3-phenylprop-2-en-1-yl]piperazine 1025588-81-1 MS-10439 (CAS 1025588-81-1)
- Mosapride (CAS 112885-41-3)
- Neostigmine impurity 32 (CAS 23040-64-4)
- Rosuvastatin impurity 245 (CAS 147118-41-0)
- 3-hydrazinyl-4-methyl-4H-1,2,4-triazole hydroiodide (CAS 1989671-43-3)
- 3-(tert-Butoxy)-5-cyclopropoxybenzonitrile (CAS 1243405-59-5)
- 3-Methyl-1-octadecyl-1H-imidazol-3-ium chloride (CAS 171058-19-8)
- Tert-butyl 3-(aminomethyl)tetrahydrofuran-3-carboxylate (CAS 2137778-54-0)
- Semaglutide impurity 266 (CAS CATO-C4X-2226266)
Why CATO?
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