Lamotrigine EP Impurity B and Lamotrigine EP Impurity C (CAS 84689-20-3) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C9H7Cl2N5. Molecular weight: 256.09 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
Molecular Formula
C9H7Cl2N5
Molecular Weight
256.09 g/mol
Appearance
Pale yellow to yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility)
Purity
97%+
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