Lamotrigine EP Impurity A CAS 252186-78-0
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 252186-78-0 |
| Molecular Formula | C9H6Cl2N4O |
| Molecular Weight | 257.08 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Lamotrigine EP Impurity A (CAS 252186-78-0) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C9H6Cl2N4O. Molecular weight: 257.08 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C9H6Cl2N4O |
| Molecular Weight | 257.08 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
Related Lamotrigine Standards
- Lamotrigine Impurity 15 (CAS 1373393-59-9)
- Lamotrigine EP Impurity D (CAS 661463-79-2)
- Lamotrigine 6-(3,4-Dichlorophenyl)-1,2,4-triazine-3,5-diamine Impurity (CAS 36518-85-1)
- Lamotrigine EP Impurity B and Lamotrigine EP Impurity C (CAS 84689-20-3)
- Lamotrigine Impurity 10 (CAS 77668-43-0)
- Lamotrigine Impurity 2 (CAS 94266-27-0)
- Lamotrigine EP Impurity B (CAS 94213-24-8)
- Lamotrigine EP Impurity G (CAS 38943-76-9)
Recommended Standards
- Salbutamol Impurity 80 (CAS 41104-10-3)
- Cenobamate Impurity 27 (CAS 1452161-91-9)
- Salbutamol Impurity 122 (CAS CATO-C4X-1176122)
- Lasmiditan Impurity 47 (CAS CATO-C4X-247847)
- Azelastine impurity 55 (CAS CATO-C4X-139655)
- (E)-3-(2-Bromophenyl)acrylic acid (CAS 7345-79-1)
- 5-(Benzyloxy)-2-(hydroxymethyl)-4H-pyran-4-one (CAS 15771-06-9)
- Cuprate(3-), [(7S,8S)-3-carboxy-5-(carboxymethyl)-13-ethenyl-18-ethyl-7,8-dihydro-2,8,12,17-tetramethyl-21H,23H-porphine-7-propanoato(5-)-κN21,κN22,κN23,κN24]-, tripotassium (CAS 72984-30-6)
- Arbidol Impurity 9 (CAS CATO-C4X-11299)
- Tirzepatide Impurity 45 (CAS CATO-C4X-324045)
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