Lefamulinum Impurity 2 CAS CATO-C4X-30472
| CAS No. | CATO-C4X-30472 |
| Molecular Formula | C8H15NO3S |
| Molecular Weight | 205.27 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
As a process- or degradation-related impurity, Lefamulinum Impurity 2 (CAS CATO-C4X-30472, C8H15NO3S) is essential for impurity profiling, related-substances testing, and forced-degradation studies in pharmaceutical development.
Based on its molecular formula C8H15NO3S, Lefamulinum Impurity 2 contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 205.27 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
Physical & Chemical Properties
| Molecular Formula | C8H15NO3S |
| Molecular Weight | 205.27 g/mol |
| Purity | ＞95% |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 2.0 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Lefamulinum Standards
- Lefamulinum Impurity 6 (CAS CATO-C4X-30476)
- Lefamulinum Impurity 19 (CAS CATO-C4X-304719)
- Lefamulinum Impurity 10 (CAS CATO-C4X-304710)
- Lefamulinum Impurity 34 (CAS CATO-C4X-304734)
- Lefamulinum Impurity 37 (CAS CATO-C4X-304737)
- Lefamulinum Impurity 39 (CAS CATO-C4X-304739)
- Lefamulinum Impurity 40 (CAS CATO-C4X-304740)
- Lefamulinum Impurity 12 (CAS CATO-C4X-304712)
Recommended Standards
- trans-N-(4-formylcyclohexyl)methanesulfonamide (CAS 2169920-24-3)
- Tert-butyl (S)-2-amino-4-fluoro-4-methylpentanoate (CAS 2350069-03-1)
- N-Acetyl-S-propyl-L-cysteine (CAS 14402-54-1)
- tert-Butyl (S)-(1-fluoro-3-methylbutan-2-yl)carbamate (CAS 2761418-78-2)
- Drotaverin Impurity 78 (CAS CATO-C4X-243578)
- Venlafaxine impurity 56 (CAS 916918-81-5)
- Ibuprofen Impurity 89 (CAS 13401-56-4)
- 2-Chloro-5-phenylpyrazine (CAS 25844-73-9)
- 2-(1,5,3-dithiazepan-3-yl)acetic acid (CAS 1966944-38-6)
- 4-Ethyl methcathinone hydrochloride (CAS 1391053-87-4)
- n-(3,4-Dimethoxybenzyl)pyridin-3-amine (CAS 109688-75-7)
- 2-acetamido-3-methylpentanoic acid (CAS 2460646-17-5)
- 6-Keto Dexamethasone (CAS 72559-90-1)
- Semaglutide impurity 193 (CAS CATO-C4X-2226193)
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