4-(2-(3-Chlorophenyl)hydrazono)-2,3-dihydro-4H-thieno[2,3-b]thiopyran 1,1-dioxide CAS 338749-52-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 338749-52-3 |
| Molecular Formula | C13H11ClN2O2S2 |
| Molecular Weight | 326.82 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-(2-(3-Chlorophenyl)hydrazono)-2,3-dihydro-4H-thieno[2,3-b]thiopyran 1,1-dioxide (CAS 338749-52-3) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C13H11ClN2O2S2. Molecular weight: 326.82 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C13H11ClN2O2S2 |
| Molecular Weight | 326.82 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 2 |
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Recommended Standards
- 3-Butyl-8-(chloromethyl)-7-(3-methylbutyl)-2,3,6,7-tetrahydro-1h-purine-2,6-dione (CAS 848369-61-9)
- 4-(2-(4-Chlorophenyl)hydrazono)-2,3-dihydro-4H-thieno[2,3-b]thiopyran 1,1-dioxide (CAS 338749-59-0)
- 3-Benzyl-7-chloro-2-isobutylquinazolin-4(3H)-one (CAS 587881-23-0)
- (3-Fluoro-4-methylphenyl)urea (CAS 953736-14-6)
- 6-AMinopyrazolo[1,5-a]pyrimidin-7(1h)-one dihydrochloride (CAS 1417363-24-6)
- (R)-2-Cyclopropyl-2-phenylacetaldehyde (CAS 2323071-77-6)
- tert-Butyl 5-amino-3-(1-(tert-butoxycarbonyl)piperidin-4-yl)-1H-indazole-1-carboxylate (CAS 2577379-42-9)
- 1-(3-(Trifluoromethyl)phenyl)ethane-1-sulfonamide (CAS 1251239-12-9)
- 1-Boc-3-Ethoxyazetidine (CAS 1314985-57-3)
- Semaglutide impurity 289 (CAS CATO-C4X-2226289)
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 13829788188 / jacky.chen@cato-chem.com