Benzocaine EP Impurity C CAS 582-33-2
| CAS No. | 582-33-2 |
| Molecular Formula | C9H11NO2 |
| Molecular Weight | 165.19 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.
Benzocaine EP Impurity C (CAS 582-33-2) is a certified pharmaceutical impurity reference standard with the molecular formula C9H11NO2 and a molecular weight of 165.19 g/mol.
Structurally, Benzocaine EP Impurity C (C9H11NO2) 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 165.19 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO manufactures Benzocaine EP Impurity C 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 | C9H11NO2 |
| Molecular Weight | 165.19 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 1 |
Related Benzocaine Standards
- Benzocaine EP Impurity D (CAS 1333-08-0)
- Benzocaine-13C6 (CAS 1391054-61-7)
- Benzocaine EP Impurity H (CAS 619-45-4)
- Benzocaine EP Impurity G (CAS 150-13-0)
- Benzocaine EP Impurity A (CAS 623-04-1)
- Benzocaine impurity 32 (CAS 5338-44-3)
- Benzocaine EP Impurity F (CAS 1877-77-6)
- Benzocaine Impurity 31 (CAS 71134-95-7)
Recommended Standards
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- tert-Butyl carbamoylformate (CAS 35454-04-7)
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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