Piroxicam impurity 22 CAS 88741-92-8
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 88741-92-8 |
| Molecular Formula | C10H9NO5S |
| Molecular Weight | 255.25 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Piroxicam impurity 22 (CAS 88741-92-8) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C10H9NO5S. Molecular weight: 255.25 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C10H9NO5S |
| Molecular Weight | 255.25 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 | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1982 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Piroxicam Standards
- Piroxicam EP Impurity D (CAS 6639-62-9)
- Piroxicam EP Impurity G (CAS 35511-14-9)
- Piroxicam EP Impurity C (CAS 24683-25-8)
- Piroxicam EP Impurity J (CAS 35511-15-0)
- Piroxicam EP Impurity E (CAS 24683-20-3)
- Piroxicam EP Impurity H (CAS 24683-21-4)
- Piroxicam Impurity 28 (CAS 112391-26-1)
- Piroxicam Impurity 26 (CAS 1942748-12-1)
Recommended Standards
- Methyl 4,6-dimethyl-5,7-dioxo-4,5,6,7-tetrahydrothiazolo[5,4-d]pyrimidine-2-carboxylate (CAS 78387-95-8)
- Methyl 3-oxo-3,4-dihydro-2H-1,4-benzothiazine-6-carboxylate 1,1-dioxide (CAS 702669-47-4)
- 2-Aminoflubendazole (CAS 82050-13-3)
- Repaglinide Impurity 22 (CAS CATO-C4X-118622)
- Empagliflozin Impurity 157 (CAS 167979-56-8)
- 2-benzyl-2-ethylpropane-1,3-diol (CAS 172477-54-2)
- 2-(2,2-dimethylpropyl)pyrrolidine (CAS 383127-35-3)
- 2-((4-Methyl-4h-1,2,4-triazol-3-yl)thio)-1-phenylethan-1-one (CAS 245106-57-4)
- 2-(4-Methylmorpholin-3-yl)acetic acid (CAS 1368183-53-2)
- Semaglutide impurity 104(Fmoc-D-His-Aib) (CAS 2171211-18-8)
Why CATO?
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