Fudosteine Impurity 8 CAS CATO-C4X-14478
| CAS No. | CATO-C4X-14478 |
| Molecular Formula | C6H12ClNO2S |
| Molecular Weight | N/A |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Owing to an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, Fudosteine Impurity 8 is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 234.14 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
CATO supplies Fudosteine Impurity 8 (CAS CATO-C4X-14478), a pharmacopoeial impurity reference standard (molecular formula C6H12ClNO2SHCl, MW 234.14 g/mol) used for the identification and quantification of trace impurities in APIs.
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 | C6H12ClNO2S HCl |
| Molecular Weight | 234.14 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 0.0 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Fudosteine Standards
- Fudosteine Impurity 20 (CAS 1023971-10-9)
- Fudosteine Impurity 45 (CAS 1023971-15-4)
- Fudosteine Impurity 25 (CAS 121234-18-2)
- Fudosteine (CAS 13189-98-5)
- Fudosteine Impurity 22 (CAS 1480319-53-6)
- Fudosteine Impurity 2 (CAS 1480319-53-6 (free base))
- Fudosteine Impurity 21 (Mixture of Diastereomers) (CAS 209665-22-5)
- Fudosteine Impurity 1 (Mixture of Diastereomers) (CAS 209665-22-5(free base))
Recommended Standards
- Butylphthalide Impurity 83 (CAS CATO-C4X-181383)
- Indacaterol impurity 77 (CAS CATO-C4X-150077)
- Relebactam Impurity 152 (CAS CATO-C4X-2144152)
- 2-((4-Ethyl-5-(furan-2-yl)-4H-1,2,4-triazol-3-yl)thio)-N-(3-methoxyphenyl)acetamide (CAS 557069-65-5)
- 4-Bromo-7-chloro-6-fluoro-1H-indazole (CAS 1935558-98-7)
- 2,4,6-Trichloropyrimidine (CAS 3764-01-0)
- 4-(((1-Hydroxypropan-2-yl)amino)methyl)benzonitrile (CAS 1010393-11-9)
- N1,N1-Bis(1-amino-2-methylpropan-2-yl)oxalamide (CAS 189684-25-1)
- 2-(propan-2-ylamino)acetamide (CAS 85791-77-1)
- Semaglutide impurity 258 (CAS CATO-C4X-2226258)
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