Nefopam Impurity 31 CAS CATO-C4X-283731
| CAS No. | CATO-C4X-283731 |
| Molecular Formula | C17H18BrNO2 |
| Molecular Weight | 348.23 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 348.23 g/mol gives Nefopam Impurity 31 distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies Nefopam Impurity 31 (CAS CATO-C4X-283731), a pharmacopoeial impurity reference standard (molecular formula C17H18BrNO2, MW 348.23 g/mol) used for the identification and quantification of trace impurities in APIs.
Owing to a steroid core, an amide group, a hydroxyl group, an ether linkage, bromine substitution, Nefopam Impurity 31 is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 348.23 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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 Nefopam Impurity 31 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 | C17H18BrNO2 |
| Molecular Weight | 348.23 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | ≥95% |
| Storage | Store at 2-8°C, protect from light |
| 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 1 |
Related Nefopam Standards
- Nefopam Impurity 32 (CAS CATO-C4X-283732)
- Nefopam Impurity 33 (CAS CATO-C4X-283733)
- Nefopam impurity 15 (CAS CATO-C4X-283715)
- Nefopam Impurity 6 (CAS 69984-25-4)
- Nefopam impurity 17 (CAS 82561-25-9)
- Nefopam impurity 16 (CAS CATO-C4X-283716)
- Nefopam Impurity 21 (CAS CATO-C4X-283721)
- Nefopam Impurity 4 (CAS 24833-47-4)
Recommended Standards
- N-(4-Bromophenyl)-4-(o-tolyloxy)butanamide (CAS 385373-45-5)
- N-(2-bromophenyl)-2-(4-isopropylphenoxy)acetamide (CAS 431995-26-5)
- Benzyl N-[2-(4-bromophenyl)propan-2-yl]carbamate (CAS 578729-08-5)
- Tert-butyl methyl(3-methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-yl)carbamate (CAS 1032758-82-9)
- Bedaquiline (1S,2S) Isomer Impurity 3 (CAS 1972612-60-4)
- Tegoprazan Impurity 130 (CAS CATO-C4X-2297130)
- Pirfenidone Impurity 32 (CAS 92-53-5)
- 1-(6-Methylpyrimidin-4-yl)piperidin-4-amine dihydrochloride (CAS 1329673-44-0)
- (Dimethylamino)methylphenylsulfoxonium tetrafluoroborate (CAS 1310743-89-5)
- 2-(Benzylamino)acetamide (CAS 39796-49-1)
- Ethyl 2-methylimidazo[1,2-a]pyrazine-3-carboxylate (CAS 87597-23-7)
- Benzyl 2-(3-methoxy-3-oxopropanoyl)pyrrolidine-1-carboxylate (CAS 1013353-73-5)
- N-((1,4-Dimethyl-1H-pyrazol-5-yl)methyl)butan-1-amine hydrochloride (CAS 1856056-02-4)
- Peptide Impurity 24 (CAS CATO-CPTD788824)
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