Liothyronine Impurity 5 CAS 4299-64-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 4299-64-3 |
| Molecular Formula | C15H11Cl2I2NO4 |
| Molecular Weight | 593.97 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Liothyronine Impurity 5 (CAS 4299-64-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C15H11Cl2I2NO4. Molecular weight: 593.97 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C15H11Cl2I2NO4 |
| Molecular Weight | 593.97 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Halogen Content | Cl/I-containing |
| Nitrogen Atoms | 1 |
Related Liothyronine Standards
- Liothyronine Impurity N1 (CAS 92151-30-9)
- Liothyronine related impurity, (R)-2-amino (CAS 5714-08-9)
- rac-Liothyronine-15N-13C9 (CAS CATO-C4X-21313)
- Liothyronine Impurity 2 (CAS 1217733-23-7)
- Liothyronine EP Impurity B (CAS 300-39-0)
- Liothyronine EP Impurity A (CAS 51-48-9)
- Liothyronine EP Impurity A-13C9-15N (CAS 1431868-11-9)
- Liothyronine Impurity 2 (CAS 70-78-0)
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