Benserazide impurity 41 CAS 28311-19-5
| CAS No. | 28311-19-5 |
| Molecular Formula | C9H13N3O4 |
| Molecular Weight | 227.22 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 227.22 g/mol gives Benserazide impurity 41 distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Benserazide impurity 41 (CAS 28311-19-5) is a certified pharmaceutical impurity reference standard with the molecular formula C9H13N3O4 and a molecular weight of 227.22 g/mol.
Structurally, Benserazide impurity 41 (C9H13N3O4) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 227.22 g/mol, it falls into the medium-molecular-weight range. 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 Benserazide impurity 41 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 | C9H13N3O4 |
| Molecular Weight | 227.22 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1965 |
| Nitrogen Atoms | 3 |
Related Benserazide Standards
- Benserazide impurity 40 (CAS 724692-35-7)
- Benserazide impurity 42 (CAS CATO-C4X-142742)
- Benserazide Impurity 54 (CAS 13558-04-8)
- Benserazide EP Impurity C (CAS 787504-88-5)
- Benserazide impurity 34 (CAS CATO-C4X-142734)
- Benserazide impurity 33 (CAS CATO-C4X-142733)
- Benserazide (CAS 322-35-0)
- Benserazide impurity 36 (CAS CATO-C4X-142736)
Recommended Standards
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- Paroxetine Impurity 26 (CAS 324023-99-6)
- Tucidinostat Impurity 1 (CAS CATO-C4X-31501)
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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