Tetracaine Impurity 28 CAS 38152-22-6
| CAS No. | 38152-22-6 |
| Molecular Formula | C11H14N2O4 |
| Molecular Weight | 238.24 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of Tetracaine Impurity 28 is closely related to an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
As a process- or degradation-related impurity, Tetracaine Impurity 28 (CAS 38152-22-6, C11H14N2O4) is essential for impurity profiling, related-substances testing, and forced-degradation studies in pharmaceutical development.
The molecular framework of Tetracaine Impurity 28 (C11H14N2O4) is characterized by an amino-acid-derived structure, 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 presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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 Tetracaine Impurity 28 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 | C11H14N2O4 |
| Molecular Weight | 238.24 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | >95% |
| 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1967 |
| Nitrogen Atoms | 2 |
Related Tetracaine Standards
- Tetracaine Impurity 21 (CAS CATO-C4X-192321)
- Tetracaine Impurity 32 (CAS CATO-C4X-192332)
- Tetracaine Impurity 14 (CAS 1029292-13-4)
- Tetracaine Impurity 6 (CAS 92726-05-1)
- Tetracaine Impurity 39 (CAS 101265-45-6)
- Tetracaine Impurity 31 (CAS CATO-C4X-192331)
- Tetracaine Impurity 41 (CAS CATO-C4X-192341)
- Tetracaine Impurity 17 (CAS 1056627-94-1)
Recommended Standards
- Esmolol Impurity 78 (CAS CATO-C4X-189178)
- Amlexanox Impurity 8 (CAS CATO-C4X-21768)
- Nintedanib Impurity 155 (CAS CATO-C4X-1814155)
- Proxyphylline (CAS 603-00-9)
- Dotinurad Impurity 7 (CAS 1285572-63-5)
- Ceritinib Impurity 13 (CAS CATO-C4X-104813)
- Dabigatran Impurity 145 (CAS CATO-C4X-1089145)
- 1-(2-Chloro-4-methoxypyrimidin-5-yl)ethan-1-one (CAS 1935413-03-8)
- 1-(2-Bromo-5-chlorophenyl)-5-methyl-1H-pyrazole (CAS 1125828-28-5)
- N-(4-Phenoxyphenyl)imidodicarbonimidic diamide (CAS 92295-27-7)
- 4,4,5,5,5-Pentafluoro-1-phenylpentane-1,3-dione (CAS 1799-50-4)
- Progesterone Impurity 71 (CAS CATO-C4X-150271)
- 3-Cyclohexylphenol (CAS 1943-95-9)
- Semaglutide impurity 198 (CAS CATO-C4X-2226198)
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