Zolpidem EP Impurity D CAS 836627-56-6
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 836627-56-6 |
| Molecular Formula | C13H16BrNO2 |
| Molecular Weight | 298.18 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Zolpidem EP Impurity D (CAS 836627-56-6) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C13H16BrNO2. Molecular weight: 298.18 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C13H16BrNO2 |
| Molecular Weight | 298.18 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 1 |
Related Zolpidem Standards
- Zolpidem Impurity 10 (CAS 258273-50-6)
- 【禁售不询】Zolpidem (CAS 82626-48-0)
- Zolpidem USP RC A（Zolpidem EP Impurity A） (CAS 1346600-85-8)
- Zolpidem Impurity 9 (CAS CATO-C4X-14869)
- Zolpidem Impurity 15 (CAS 258273-49-3)
- Zolpidem D6 (CAS 959605-90-4)
- Zolpidem Acid Impurity 2 (CAS 189005-44-5)
- Zolpidem Amide (CAS 365213-58-7)
Recommended Standards
- Aripiprazole Impurity 64 (CAS 63136-84-5)
- Aripiprazole N-Bromobutyl Impurity (CAS 1424857-68-0)
- Aripiprazole Impurity 61 (CAS 63309-35-3)
- Brexpiprazole Impurity 90 (CAS CATO-C4X-113190)
- Cariprazine Impurity 40 (CAS CATO-C4X-240840)
- 854860-48-3 2,5-Dimethyl-4-nitrobenzene-1-sulfonyl chloride MFCD19200434 (CAS 854860-48-3)
- 3-Bromo-4-ethyl-4H-1,2,4-triazole (CAS 64907-56-8)
- Ethyl 4-(3,4-dimethoxyphenyl)-2-oxo-2,3-dihydrothiazole-5-carboxylate (CAS 886497-86-5)
- N-Cyclohexylpiperazine-1-carboxamide (CAS 923177-04-2)
- Semaglutide impurity 260 (CAS CATO-C4X-2226260)
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