Liothyronine EP Impurity A CAS 51-48-9
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 51-48-9 |
| Molecular Formula | C15H11I4NO4 |
| Molecular Weight | 776.87 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Liothyronine EP Impurity A (CAS 51-48-9), a pharmacopoeial impurity standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C15H11I4NO4. Molecular weight: 776.87 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C15H11I4NO4 |
| Molecular Weight | 776.87 g/mol |
| Purity | >95% |
| 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.) | 1957 |
| Halogen Content | I-containing |
| Nitrogen Atoms | 1 |
Related Liothyronine Standards
- Liothyronine EP Impurity A-13C9-15N (CAS 1431868-11-9)
- Liothyronine Impurity 2 (CAS 1217733-23-7)
- rac-Liothyronine-15N-13C9 (CAS CATO-C4X-21313)
- Liothyronine related impurity, (R)-2-amino (CAS 5714-08-9)
- Liothyronine Impurity N1 (CAS 92151-30-9)
- Liothyronine Impurity 5 (CAS 4299-64-3)
- Liothyronine Impurity 4 (CAS CATO-C4X-21314)
- Liothyronine EP Impurity B (CAS 300-39-0)
Recommended Standards
- SKM 4-45-1 (CAS 290374-09-3)
- DL-Thyroxine (CAS 300-30-1)
- Cefetamet Impurity 6 (CAS CATO-C4X-12876)
- Cefixime polymer impurity 1 (CAS CATO-C4X-113957)
- Ceftolozane Impurity 29 (CAS CATO-C4X-240629)
- Morphine Sulfate Related Compound B CII (Pseudomorphine) (1448027) (CAS 125-24-6)
- 2-chloro-3-hydrazinyl-5,6-dimethylpyrazine (CAS 1423034-19-8)
- 1-(6-Ethoxy-4-methylquinazolin-2-yl)guanidine (CAS 5361-35-3)
- 4-(2-Chloro-5-methylphenoxy)-3-methylphenylamine (CAS 946741-79-3)
- Palmitoyl Tetrapeptide-7 (CAS 221227-05-0)
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 13829788188 / jacky.chen@cato-chem.com