Piroxicam EP Impurity D CAS 6639-62-9
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 6639-62-9 |
| Molecular Formula | C10H9NO5S |
| Molecular Weight | 255.25 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
High-purity Piroxicam EP Impurity D (CAS 6639-62-9) pharmacopoeial impurity standards reference standard. Molecular formula: C10H9NO5S. Molecular weight: 255.25 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
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.) | 1958 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Piroxicam Standards
- Piroxicam impurity 22 (CAS 88741-92-8)
- 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
- 2-Aminoflubendazole (CAS 82050-13-3)
- Methyl 4,6-dimethyl-5,7-dioxo-4,5,6,7-tetrahydrothiazolo[5,4-d]pyrimidine-2-carboxylate (CAS 78387-95-8)
- 2-Butanone 2,4-Dinitrophenylhydrazone-d3 (CAS 259824-58-3)
- Doxorubicin Impurity 10 (CAS CATO-C4X-203310)
- Hydroxychloroquine EP Impurity D (CAS 1476-52-4)
- 2-((3-(2,3-Dichlorophenoxy)propyl)amino)ethan-1-ol hydrochloride (CAS 1009555-55-8)
- 2-Ethoxybenzo[d]oxazole-4-carbonitrile (CAS 1803810-76-5)
- N-((1-Methyl-1H-pyrazol-5-yl)methyl)-1-propyl-1H-pyrazol-4-amine hydrochloride (CAS 1856048-99-1)
- Secalciferol Related Compound 4 (CAS 130930-48-2)
- D-Ala21-Tirzepatide (CAS CATO-CPTD788913)
Why CATO?
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