Lamotrigine EP Impurity G CAS 38943-76-9
Purity >90%In StockPharmacopoeial Impurity Standards
| CAS No. | 38943-76-9 |
| Molecular Formula | C9H7Cl2N5 |
| Molecular Weight | 256.09 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Lamotrigine EP Impurity G (CAS 38943-76-9) 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 | >90% |
| 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.) | 1968 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 5 |
Related Lamotrigine Standards
- 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 C (CAS 94213-23-7)
- Lamotrigine (CAS 84057-84-1)
- Lamotrigine Impurity 15 (CAS 1373393-59-9)
Recommended Standards
- 1-(2,4-Dichlorophenyl)-2-(1H-1,2,4-triazol-1-yl)ethanone (CAS 58905-16-1)
- Anagrelide (CAS 68475-42-3)
- N2-(2,4-Dichlorophenyl)-1,3,5-triazine-2,4-diamine (CAS 6975-84-4)
- Bromhexine impurity 54 (CAS CATO-C4X-106054)
- Mitiglinide Impurity 11 (CAS CATO-C4X-116111)
- 5-Nitro-1,10-phenanthrolineferroussulfate (CAS 23700-19-8)
- Z-Val-Glu(OMe)-Ile-DL-Asp(OMe)-fluoromethylketone (N-1945.0005) (CAS 1926163-62-3)
- (9Z,12E)-Hexadeca-9,12-dienoic acid (CAS 5070-03-1)
- 1-Bromo-2-fluorocyclopropane (CAS 1185112-51-9)
- Semaglutide Impurity 144 (CAS 394210-59-4)
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