Papaverine impurity 47 CAS CATO-C4X-206747
| CAS No. | CATO-C4X-206747 |
| Molecular Formula | C19H19NO3 |
| Molecular Weight | 309.36 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
This reference standard supports related-substances testing and method development in line with ICH Q3A/Q3B guidance on impurity control, and is suitable for system suitability testing and forced-degradation studies.
CATO supplies Papaverine impurity 47 (CAS CATO-C4X-206747), a pharmacopoeial impurity reference standard (molecular formula C19H19NO3, MW 309.36 g/mol) used for the identification and quantification of trace impurities in APIs.
Based on its molecular formula C19H19NO3, Papaverine impurity 47 contains a steroid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 309.36 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C19H19NO3 |
| Molecular Weight | 309.36 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 |
| Nitrogen Atoms | 1 |
Related Papaverine Standards
- Papaverine Impurity 32 (CAS 608141-21-5)
- Papaverine Impurity 34 (CAS 41498-25-3)
- Papaverine Impurity 15 (CAS 57170-09-9)
- Papaverine Impurity 29 (CAS 23602-58-6)
- Papaverine Impurity 30 (CAS 57231-35-3)
- Papaverine Impurity 31 (CAS 35118-00-4)
- Papaverine Impurity 35 (CAS 16637-56-2)
- Papaverine Impurity 36 (CAS 82463-46-5)
Recommended Standards
- Tegoprazan Impurity 110 (CAS CATO-C4X-2297110)
- Tegoprazan Impurity 12 (CAS 1640981-20-9)
- Tetracaine Impurity 42 (CAS CATO-C4X-192342)
- Tegoprazan Impurity 139 (CAS CATO-C4X-2297139)
- Lemborexant Impurity 49 (CAS CATO-C4X-304249)
- Pitavastatin Impurity 132 (CAS CATO-C4X-1037132)
- Tedizolid Impurity 79 (CAS 1551262-90-8)
- N,4-Dimethylpyrimidin-2-amine (CAS 15231-63-7)
- 1-(4-Fluorophenyl)-2-(trimethylsilyl)ethanol (CAS 1936200-75-7)
- Methyl 4-amino-2-(pyrrolidin-1-yl)thiazole-5-carboxylate (CAS 99967-76-7)
- 3-Bromo-4-(dimethylamino)benzamide (CAS 1369782-07-9)
- N-(1-cyclohexylethyl)cyclopropanamine (CAS 7584-67-0)
- N1-cyclohexyl-N1-ethylbenzene-1,2-diamine (CAS 953755-69-6)
- Semaglutide impurity 55 (CAS CATO-C4X-222655)
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