Epalrestat Impurity 22 CAS 2041-59-0
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 2041-59-0 |
| Molecular Formula | C3H3NO2S2 2*H4N |
| Molecular Weight | N/A |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Epalrestat Impurity 22 (CAS 2041-59-0) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C3H3NO2S2 2*H4N. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C3H3NO2S2 2*H4N |
| Molecular Weight | 167.22 g/mol |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 1.5 |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 2 |
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Recommended Standards
- Voriconazole Impurity 61 (CAS CATO-C4X-136661)
- Nicotine EP Impurity E (Mixture of Diastereomers) (CAS 491-26-9)
- Methyl 2-(3-(3-(trifluoromethyl)phenyl)-1H-1,2,4-triazol-1-yl)acetate (CAS 1416342-42-1)
- Sodium 2,3-dihydro-1,4-benzodioxine-6-sulfinate (CAS 1514973-39-7)
- 2-(5-Bromo-2-ethoxybenzenesulfonyl)-1,2,3,4-tetrahydroisoquinoline-3-carboxylic acid (CAS 1008962-07-9)
- N-(1,1-Dioxido-1,2-benzisothiazol-3-yl)-4-methylbenzenesulfonohydrazide (CAS 13255-93-1)
- Semaglutide impurity 70 (CAS CATO-C4X-222670)
Why CATO?
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