Lamotrigine EP Impurity D CAS 661463-79-2
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 661463-79-2 |
| Molecular Formula | C9H5Cl2N3O2 |
| Molecular Weight | 258.06 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Lamotrigine EP Impurity D (CAS 661463-79-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C9H5Cl2N3O2. Molecular weight: 258.06 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C9H5Cl2N3O2 |
| Molecular Weight | 258.06 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 sealed and dry, 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; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related Lamotrigine Standards
- Lamotrigine Impurity 15 (CAS 1373393-59-9)
- Lamotrigine EP Impurity A (CAS 252186-78-0)
- Lamotrigine-13C3 (CAS 1188265-38-4)
- Lamotrigine-d3 (CAS 1132746-94-1)
- 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)
Recommended Standards
- Ziprasidone impurity 49 (CAS CATO-C4X-124049)
- Nadifloxacin Impurity 1 (CAS 131190-82-4)
- Irsogladine Impurity 1 (CAS 30222-00-5)
- Bosutinib Impurity 22 (CAS CATO-C4X-184722)
- Cefixime polymer impurity 2 (CAS CATO-C4X-113959)
- 2-Morpholinobenzo[d]thiazole-4-carboxylic acid (CAS 1707399-25-4)
- (5-(Methylthio)pyridin-2-yl)boronic acid (CAS 1422524-66-0)
- (3|A,5|A,6|A,15|A,17|A)-17-[[(1,1-Dimethylethyl)dimethylsilyl]oxy]-6-methoxy-3,5-cycloandrostan-15-ol (3|A,5|A,6|A,15|A,17|A)-17-tert-Butyldimethylsilyloxy-6-methoxy-3,5-cycloandrostan-15-ol 61252-35-5 (CAS 61252-35-5)
- 1-Benzyl-3-bromopyrrolidine (CAS 38042-74-9)
- [Tyr15] Fibrinopeptide B, human (CAS 125455-56-3)
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