Ramelteon Impurity N40 CAS 1221160-70-8
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 1221160-70-8 |
| Molecular Formula | C11H9BrO2 |
| Molecular Weight | 253.09 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Ramelteon Impurity N40 (CAS 1221160-70-8) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C11H9BrO2. Molecular weight: 253.09 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
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.) | 1990 |
| Halogen Content | Br-containing |
Related Ramelteon Standards
- Ramelteon Impurity N39 (CAS 196597-69-0)
- 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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- Simvastatin EP Impurity B (CAS 145576-25-6)
- CAS CATO-C4X-32408 (CAS CATO-C4X-32408)
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- Propionaldehyde-2，2-d2 (CAS 39493-21-5)
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- 6-(Chloromethyl)-4-methylnicotinonitrile (CAS 1637310-91-8)
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