Lornoxicam Impurity 37 CAS 106820-63-7
| CAS No. | 106820-63-7 |
| Molecular Formula | C9H11NO6S2 |
| Molecular Weight | 293.32 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C9H11NO6S2, Lornoxicam Impurity 37 contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 293.32 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Lornoxicam Impurity 37 (CAS 106820-63-7) is a certified pharmaceutical impurity reference standard with the molecular formula C9H11NO6S2 and a molecular weight of 293.32 g/mol.
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), Lornoxicam Impurity 37 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 | C9H11NO6S2 |
| Molecular Weight | 293.32 g/mol |
| Purity | 97%+ |
| 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 2 |
Related Lornoxicam Standards
- Lornoxicam impurity 68 (CAS CATO-C4X-201668)
- Lornoxicam Impurity 13 (CAS 2322849-92-1)
- Lornoxicam impurity 52 (CAS 906522-88-1)
- Lornoxicam impurity 58 (CAS CATO-C4X-201658)
- Lornoxicam impurity 49 (CAS CATO-C4X-201649)
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