Linezolid Impurity 11 CAS 1215006-08-8
| CAS No. | 1215006-08-8 |
| Molecular Formula | C18H26FN3O3 |
| Molecular Weight | 351.42 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 Linezolid Impurity 11.
As a process- or degradation-related impurity, Linezolid Impurity 11 (CAS 1215006-08-8, C18H26FN3O3) is essential for impurity profiling, related-substances testing, and forced-degradation studies in pharmaceutical development.
Owing to a steroid core, an amide group, a hydroxyl group, an ether linkage, fluorine substitution, Linezolid Impurity 11 is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 351.42 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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.
As a certified reference material (CRM), Linezolid Impurity 11 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 | C18H26FN3O3 |
| Molecular Weight | 351.42 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 3 |
Related Linezolid Standards
- Linezolid Impurity 44 (CAS CATO-C4X-107344)
- Linezolid Impurity 1 (CAS 189038-36-6)
- Linezolid Impurity 100 (CAS CATO-C4X-1073100)
- Linezolid lmpurity 101 (CAS CATO-C4X-1073101)
- Linezolid USP Related Compound B (CAS 216868-57-4)
- Linezolid Impurity 122 (CAS CATO-C4X-1073122)
- Linezolid Impurity 11 (CAS 1394245-06-7)
- Linezolid -D8 (CAS 1032182-14-1)
Recommended Standards
- 4-Bromo-5-bromomethyl-3-(4-chloro-phenyl)-isoxazole (CAS 1158735-42-2)
- Ethyl 5-hydroxy-8-isopentyl-2-(methylthio)-7-oxo-7,8-dihydropyrido[2,3-d]pyrimidine-6-carboxylate (CAS 1253790-09-8)
- 4-Bromo-5-bromomethyl-3-(3-chloro-phenyl)-isoxazole (CAS 1158735-39-7)
- 4-((1-(4-Fluorophenyl)-3-(o-tolyl)-1H-pyrazol-4-yl)methyl)morpholine (CAS 1431282-89-1)
- Vericiguat impurity 51 (CAS CATO-C4X-289651)
- Bumetanide Impurity 112 (CAS CATO-C4X-1986112)
- Parecoxib Impurity 59 (CAS CATO-C4X-159159)
- 4-Hydrazinylquinoline hydrochloride (CAS 68500-41-4)
- 2-(6-Chlorobenzofuran-2-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1396751-50-0)
- 1-(2-methylpropyl)-4,5,6,7-tetrahydro-1H-1,2,3-benzotriazole-6-carboxylic acid (CAS 2044872-28-6)
- 2-(3-Chlorophenyl)-5,5-diethylmorpholine (CAS 1282696-46-1)
- 2-Fluoro-4'-(pyrrolidin-1-ylsulfonyl)-[1,1'-biphenyl]-4-ol (CAS 1261943-93-4)
- 2-(Chroman-4-yl)acetaldehyde (CAS 150515-77-8)
- Semaglutide Impurity 162 (x TFA Salt) (CAS CATO-C4X-2226162)
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