Nafamostat Impurity 56 CAS CATO-C4X-133256
| CAS No. | CATO-C4X-133256 |
| Molecular Formula | C19H16N4O2 |
| Molecular Weight | 332.36 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including Nafamostat Impurity 56.
Nafamostat Impurity 56 (CAS CATO-C4X-133256) is a certified pharmaceutical impurity reference standard with the molecular formula C19H16N4O2 and a molecular weight of 332.36 g/mol.
The molecular framework of Nafamostat Impurity 56 (C19H16N4O2) 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 the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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 Nafamostat Impurity 56 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 | C19H16N4O2 |
| Molecular Weight | 332.36 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 95% |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Nitrogen Atoms | 4 |
Related Nafamostat Standards
- Nafamostat Impurity 44 (CAS CATO-C4X-133244)
- Nafamostat Impurity 57 (CAS CATO-C4X-133257)
- Nafamostat impurity 85 (CAS CATO-C4X-133285)
- Nafamostat impurity 86 (CAS CATO-C4X-133286)
- Nafamostat impurity 91 (CAS CATO-C4X-133291)
- Nafamostat Impurity 67 (CAS 2491698-53-2)
- Nafamostat impurity 108 (CAS CATO-C4X-1332108)
- Nafamostat (CAS 81525-10-2)
Recommended Standards
- Ilaprazole Impurity 110 (CAS CATO-C4X-1130110)
- Letrozole Impurity 20 (CAS CATO-C4X-182920)
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- Pimobendan Impurity 6 (CAS CATO-C4X-24616)
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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