Ramelteon Impurity 31 CAS 1204581-50-9
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 1204581-50-9 |
| Molecular Formula | C16H21NO3 |
| Molecular Weight | 275.34 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Ramelteon Impurity 31 (CAS 1204581-50-9) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C16H21NO3. Molecular weight: 275.34 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C16H21NO3 |
| Molecular Weight | 275.34 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Nitrogen Atoms | 1 |
Related Ramelteon Standards
- Ramelteon Metabolite M-II (CAS 896736-21-3)
- Ramelteon Impurity 36 (CAS CATO-C4X-262236)
- Ramelteon Impurity 38 (CAS 1260675-80-6)
- Ramelteon Impurity 62 (CAS 809097-20-8)
- Ramelteon Impurity 15 (CAS 880152-61-4)
- Ramelteon Impurity 33 (CAS 2517684-01-2)
- Ramelteon Impurity 59 (CAS CATO-C4X-262259)
- Ramelteon Impurity 28 (CAS CATO-C4X-262228)
Recommended Standards
- Rolipram (CAS 61413-54-5)
- Upadacitinib Impurity 71 (CAS 2411540-29-7)
- Verapamil Impurity 20 (CAS 27339-25-9)
- Orforglipron impurity 80 (CAS CATO-C4X-323480)
- Ozanimod Impurity 30 (CAS CATO-C4X-290230)
- (2-Fluorophenyl)(octahydro-1,6-naphthyridin-1(2H)-yl)methanone (CAS 1820572-24-4)
- 1-(Tert-butyl) 4-ethyl 4-(iodomethyl)piperidine-1,4-dicarboxylate (CAS 213013-98-0)
- Adenine Impurity 16 (CAS 78548-84-2)
- 1-Benzyl-1h-imidazo[4,5-c]pyridine-2-thiol (CAS 34477-54-8)
- (D-Trp32)-Neuropeptide Y (porcine) trifluoroacetate salt (CAS 153549-78-1)
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