Nalmefene Impurity N5 CAS 91598-83-3
| CAS No. | 91598-83-3 |
| Molecular Formula | C21H23NO3 |
| Molecular Weight | 337.42 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Nalmefene Impurity N5 (CAS 91598-83-3), a pharmacopoeial impurity reference standard (molecular formula C21H23NO3, MW 337.42 g/mol) used for the identification and quantification of trace impurities in APIs.
The molecular framework of Nalmefene Impurity N5 (C21H23NO3) is characterized by a steroid core, an amide group, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by its high hydrophobicity (logP), which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Recommended for quantitative analysis by HPLC, GC, LC-MS/MS, or GC-MS as an external calibration standard; it can also be used for spiked-recovery experiments, LOD/LOQ determination, and LC-MS/MS multiple-reaction-monitoring (MRM) calibration.
CATO manufactures Nalmefene Impurity N5 under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C21H23NO3 |
| Molecular Weight | 337.42 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1983 |
| Nitrogen Atoms | 1 |
Related Nalmefene Standards
- Nalmefene impurity 20 (CAS 738552-29-9)
- Nalmefene Impurity 27 (CAS CATO-C4X-126827)
- Nalmefene Impurity 5 (CAS CATO-C4X-12685)
- Nalmefene (CAS 55096-26-9)
- Nalmefene Impurity 22 (CAS CATO-C4X-126822)
- Nalmefene Impurity 28 (CAS CATO-C4X-126828)
- Nalmefene Impurity 9 (CAS CATO-C4X-12689)
- Nalmefene Impurity 4 (CAS CATO-C4X-12684)
Recommended Standards
- Bitertanol (CAS 55179-31-2)
- Ethyl 5-(diethylamino)-2-(phenylsulfonyl)penta-2,4-dienoate (CAS 1015037-88-3)
- Linaprazan Impurity 1 (CAS CATO-C4X-34861)
- N-(3-(2,5-Dimethylfuran-3-yl)-3-hydroxypropyl)-2-phenylethane-1-sulfonamide (CAS 1421528-71-3)
- Bumetanide Impurity 64 (CAS CATO-C4X-198664)
- Edoxaban Impurity 138 (CAS CATO-C4X-1063138)
- Thymalfasin Impurity 4 (CAS CATO-C4X-18984)
- Pamabrom USP Related Compound A (CAS 85-18-7)
- 2-(1,3-Dihydro-1,3-dioxo-2H-isoindol-2-yl) 1-(1,1-dimethylethyl) 1,2-piperidinedicarboxylate (CAS 2055988-81-1)
- Istradefylline Impurity 13 (CAS 14436-34-1)
- 2-(Pyridin-2-ylsulfonyl)acetonitrile (CAS 170449-34-0)
- (5-Bromo-4-ethoxy-2,3-difluorophenyl)methanol (CAS 2404733-99-7)
- 1-EThoxy-3-fluoro-5-nitrobenzene (CAS 330-66-5)
- Tirzepatide Impurity 19 X TFA Salt (CAS CATO-C4X-324019)
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 18665070610 / Nicole.chen@cato-chem.com