Eltrombopag Impurity 31 CAS 25487-66-5
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 25487-66-5 |
| Molecular Formula | C7H7BO4 |
| Molecular Weight | 165.94 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Eltrombopag Impurity 31 (CAS 25487-66-5) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C7H7BO4. Molecular weight: 165.94 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C7H7BO4 |
| Molecular Weight | 165.94 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | >95% |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 4.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1964 |
Related Eltrombopag Standards
- Eltrombopag Impurity 158 (CAS CATO-C4X-1198158)
- Eltrombopag impurity 145 (CAS 757889-55-7)
- Eltrombopag Impurity 40 (CAS 591-17-3)
- Eltrombopag impurity 142 (CAS CATO-C4X-1198142)
- Eltrombopag Impurity 68 (CAS 53442-24-3)
- Eltrombopag Impurity 35 (CAS 28165-50-6)
- Eltrombopag Impurity 48 (CAS 43192-07-0)
- Eltrombopag Impurity 55 (CAS 13636-53-8)
Recommended Standards
- 5-Formyl-2-hydroxyphenylboronic acid (CAS 2121513-62-8)
- silver thiocyanate (CAS 1701-93-5)
- 4-Benzodioxoleboronic Acid (CAS 361456-68-0)
- Dronedarone Impurity 63 (CAS 90050-13-8)
- Ezetimibe Impurity 80 (CAS CATO-C4X-109880)
- 2-Amino-N-(4-cyanobenzyl)-N-isopropylacetamide (CAS 1353963-04-8)
- 2-Chloro-4-decanoylpyridine (CAS 898784-76-4)
- 2-(4-Hydroxypiperidin-1-yl)acetic acid (CAS 168159-33-9)
- Phosphoric acid di-t-butyl ester chloromethyl ester (CAS 229625-50-7)
- PACAP-Related Peptide (PRP), rat (CAS 132769-35-8)
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