Lornoxicam Impurity 38 CAS 937643-65-7
| CAS No. | 937643-65-7 |
| Molecular Formula | C9H9Cl2NO6S2 |
| Molecular Weight | 362.21 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Structurally, Lornoxicam Impurity 38 (C9H9Cl2NO6S2) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 362.21 g/mol, it falls into the moderately-high-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Lornoxicam Impurity 38 (CAS 937643-65-7) is a certified pharmaceutical impurity reference standard with the molecular formula C9H9Cl2NO6S2 and a molecular weight of 362.21 g/mol.
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.
CATO manufactures Lornoxicam Impurity 38 under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C9H9Cl2NO6S2 |
| Molecular Weight | 362.21 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 2 |
Related Lornoxicam Standards
- Lornoxicam impurity 59 (CAS CATO-C4X-201659)
- Lornoxicam impurity 85 (CAS CATO-C4X-201685)
- Lornoxicam Impurity 100 (CAS CATO-C4X-2016100)
- Lornoxicam Impurity 101 (CAS CATO-C4X-2016101)
- Lornoxicam Impurity 97 (CAS CATO-C4X-201697)
- Lornoxicam Impurity 105 (CAS CATO-C4X-2016105)
- Lornoxicam impurity 89 (CAS CATO-C4X-201689)
- Lornoxicam (CAS 70374-39-9)
Recommended Standards
- Triazolam Impurity 4 (CAS 54196-62-2)
- Maribavir Impurity 26 (CAS 176161-47-0)
- tert-Butyl 6-bromo-7-(difluoromethyl)-3,4-dihydroquinoline-1(2H)-carboxylate (CAS 2763824-22-0)
- 3-(3-Bromophenyl)-3-(2-phenylacetamido)propanoic acid (CAS 1017789-68-2)
- Cefdinir Impurity 29 (CAS CATO-C4X-121029)
- Nemonoxacin Impurity 91 (CAS CATO-C4X-312891)
- Argatroban Impurity 82 (Mixture of Diastereomers) (CAS CATO-C4X-100782)
- 4-(2-{[3-chloro-5-(trifluoromethyl)pyridin-2-yl]amino}ethyl)-2-(morpholin-4-yl)-3H,4H-pyrido[2,3-b]pyrazin-3-one (CAS 338411-97-5)
- L-138,037 (CAS 31639-49-3)
- methyl 4-methyl-5-phenylisoxazole-3-carboxylate (CAS 668971-11-7)
- 1,3,6,8-Tetrahydroxy-9H-xanthen-9-one (CAS 39731-51-6)
- Benserazide impurity 45 (CAS CATO-C4X-142745)
- 1,2-di-(9Z,12Z-octadecadienoyl)-sn-glycero-3-phospho-(1'-rac-glycerol) (sodium salt) 1,2-dilinoleoyl-sn-glycero-3-phospho-(1'-rac-glycerol) (sodium salt) 18:2 PG 322729-38-4 PG(18:2(9Z,12Z)/18:2(9Z,12Z)) (CAS 322729-38-4)
- Insulin Detemir (CAS 169148-63-4)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com