N-Desethyl Lidocaine EP Impurity K HCl CAS 35891-84-0
| CAS No. | 35891-84-0 |
| Molecular Formula | C11H16N2O |
| Molecular Weight | N/A |
| 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 N-Desethyl Lidocaine EP Impurity K HCl.
N-Desethyl Lidocaine EP Impurity K HCl (CAS 35891-84-0) is a certified pharmaceutical impurity reference standard with the molecular formula C11H16N2OHCl and a molecular weight of 228.72 g/mol.
The molecular framework of N-Desethyl Lidocaine EP Impurity K HCl (C11H16N2OHCl) is characterized by a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. In reversed-phase chromatography, its retention is governed primarily by its high hydrophobicity (logP), 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.
As a certified reference material (CRM), N-Desethyl Lidocaine EP Impurity K HCl meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C11H16N2O HCl |
| Molecular Weight | 228.72 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1967 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related N Standards
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Recommended Standards
- Regorafenib Impurity 71 (CAS CATO-C4X-104771)
- Iopamidol Impurity 30 (CAS 2756222-41-8)
- Phenylephrine EP Impurity C HCl (CAS 94240-17-2)
- 6-(5-Chloro-1-(4-methoxyphenyl)-6-oxo-1,6-dihydropyridazin-4-yl)-2-(1H-pyrrol-1-yl)-4,5,6,7-tetrahydrothieno[2,3-c]pyridine-3-carbonitrile (CAS 339279-35-5)
- 1-(2-(Benzylamino)-1H-imidazol-4-yl)ethanone (CAS 88723-27-7)
- 3-Chloro-2,6-difluorocinnamic acid (CAS 942319-19-9)
- 2-(3,4-difluorophenyl)-4-methyl-1,3-thiazole-5-carboxylic acid (CAS 1153434-00-4)
- 2-(2-{[Amino(imino)methyl]amino}-4-oxo-4,5-dihydro-1,3-thiazol-5-yl)-N-(2-methoxyethyl)acetamide (CAS 1428139-33-6)
- 3-Amino-5-(4-bromophenyl)pyridazine-4-carbonitrile (CAS 70413-21-7)
- Semaglutide impurity 261 (CAS CATO-C4X-2226261)
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