Lornoxicam Impurity 107 CAS CATO-C4X-2016107
| CAS No. | CATO-C4X-2016107 |
| Molecular Formula | C10H13ClO5S2 |
| Molecular Weight | 312.79 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of Lornoxicam Impurity 107 is closely related to a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
Lornoxicam Impurity 107 (CAS CATO-C4X-2016107) is a certified pharmaceutical impurity reference standard with the molecular formula C10H13ClO5S2 and a molecular weight of 312.79 g/mol.
Owing to a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system, Lornoxicam Impurity 107 is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 312.79 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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.
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.
Physical & Chemical Properties
| Molecular Formula | C10H13ClO5S2 |
| Molecular Weight | 312.79 g/mol |
| Purity | ≥95% |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 2 |
Related Lornoxicam Standards
- Lornoxicam Impurity 3 (CAS CATO-C4X-20163)
- Lornoxicam Impurity 9 (CAS 70415-50-8)
- Lornoxicam Impurity 99 (CAS CATO-C4X-201699)
- Lornoxicam impurity 83 (CAS CATO-C4X-201683)
- Lornoxicam Impurity 4 (CAS 106820-59-1)
- Lornoxicam Impurity 110 (CAS CATO-C4X-2016110)
- Lornoxicam Impurity 79 (CAS 1629463-16-6)
- Lornoxicam Impurity 109 (CAS CATO-C4X-2016109)
Recommended Standards
- Tolvaptan Impurity 27 (CAS 1859917-22-8)
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- (R)-tert-Butyl 4-(6-chloropyridazin-3-yl)-2-methylpiperazine-1-carboxylate 1169698-51-4 (CAS 1169698-51-4)
- Safinamide Impurity 23 (CAS CATO-C4X-159023)
- Diclofenac Sodium Impurity 33 (CAS 58373-59-4)
- Pazopanib Impurity 7 (CAS CATO-C4X-17257)
- 2-[(4-Bromo-benzyl)-ethyl-amino]-ethanol (CAS 69496-67-9)
- 4-Bromo-3,5-dimethylbenzamide (CAS 864825-81-0)
- N-((1-Ethyl-1H-pyrazol-4-yl)methyl)-1-isopropyl-1H-pyrazol-4-amine hydrochloride (CAS 1856071-54-9)
- 5-aminopyrimidin-4-ol (CAS 69785-94-0)
- Zinc(II) 4-methyl-2-thioxo-2,3-dihydrobenzo[d]imidazol-1-ide (CAS 57152-92-8)
- 2-Methyloctanoic acid (CAS 3004-93-1)
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