Ramelteon Impurity N39 CAS 196597-69-0
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 196597-69-0 |
| Molecular Formula | C11H9BrO2 |
| Molecular Weight | 253.09 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Ramelteon Impurity N39 (CAS 196597-69-0) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C11H9BrO2. Molecular weight: 253.09 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C11H9BrO2 |
| Molecular Weight | 253.09 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2013 |
| Halogen Content | Br-containing |
Related Ramelteon Standards
- Ramelteon Impurity N40 (CAS 1221160-70-8)
- Ramelteon Impurity 23 (CAS 196597-30-5)
- Ramelteon Impurity 30 (CAS CATO-C4X-262230)
- Ramelteon impurity 46 (CAS 1365920-11-1)
- Ramelteon Impurity 5 (CAS 880152-62-5)
- Ramelteon Impurity 63 (CAS CATO-C4X-262263)
- Ramelteon Impurity 64 (CAS 1252018-55-5)
- Ramelteon Impurity 65 (CAS 2819252-94-1)
Recommended Standards
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- 2,4-Dichloro-6-methyl-5,6,7,8-tetrahydroquinazoline (CAS 1465063-86-8)
- (Leu31,Pro3?)-Neuropeptide Y (porcine) trifluoroacetate salt (CAS 125580-28-1)
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