Nortriptyline EP Impurity B CAS 303-50-4
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 303-50-4 |
| Molecular Formula | C19H19N |
| Molecular Weight | 261.36 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Nortriptyline EP Impurity B (CAS 303-50-4) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C19H19N. Molecular weight: 261.36 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C19H19N |
| Molecular Weight | 261.36 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 1 |
Related Nortriptyline Standards
- Nortriptyline Impurity 23 (CAS 1154-08-1)
- Nortriptyline EP Impurity H (CAS 24755-73-5)
- Nortriptyline EP Impurity J (CAS 4317-14-0)
- Nortriptyline Impurity 21 (CAS 1562-52-3)
- Nortriptyline-D3 N-nitroso (CAS CATO-C4X-34112)
- Nortriptyline EP Impurity I (CAS 1210-34-0)
- Nortriptyline EP Impurity G (CAS 16234-88-1)
- Nortriptyline EP Impurity E-D3 HCl (CAS 1184983-42-3)
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- 69558-55-0 O3Y80ZF13F Thymopentin Thymopentin [USAN:INN:BAN] L-Tyrosine, N-(N-(N-(N2-L-arginyl-L-lysyl)-L-alpha-aspartyl)-L-valyl)- L-Tyrosine, N-(N-(N-(N(sup 2)-L-arginyl-L-lysyl)-L-alpha-aspartyl)-L-valyl)- Thymopentine [French] Thymopentinum [Latin] Timopentina [Spanish] Thymopoietin 32-36 TP-5 Thymopoietin pentapeptide ORF-15244 Thymopentine Thymopentinum Timopentina ORF 15244 UNII-O3Y80ZF13F (CAS 69558-55-0)
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