1,1-Dioxido-2,3-dihydro-4H-thieno[2,3-b]thiopyran-4-yl 2,6-difluorobenzoate CAS 343373-67-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 343373-67-1 |
| Molecular Formula | C14H10F2O4S2 |
| Molecular Weight | 344.35 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1,1-Dioxido-2,3-dihydro-4H-thieno[2,3-b]thiopyran-4-yl 2,6-difluorobenzoate (CAS 343373-67-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C14H10F2O4S2. Molecular weight: 344.35 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C14H10F2O4S2 |
| Molecular Weight | 344.35 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| 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 | F-containing |
| Sulfur Atoms | 2 |
Related Dioxido Standards
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- 1,1-Dioxido-2,3-dihydro-4H-thieno[2,3-b]thiopyran-4-yl 6-chloronicotinate (CAS 343373-82-0)
- Ethyl 2-((1,1-dioxido-3-oxobenzo[d]isothiazol-2(3H)-yl)methyl)benzoate (CAS 866152-97-8)
- 1,1-Dioxido-2,3-dihydro-4H-thieno[2,3-b]thiopyran-4-yl 2-chlorobenzoate (CAS 343373-87-5)
- 1,1-Dioxido-2,3-dihydro-4H-thieno[2,3-b]thiopyran-4-yl 4-chlorobenzoate (CAS 343373-76-2)
- N1-(4-(1,1-Dioxido-1,2-thiazinan-2-yl)phenyl)-N2-(2-hydroxyethyl)oxalamide (CAS 899748-20-0)
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- Ethyl 4-((5,5-dioxido-3a,4,6,6a-tetrahydrothieno[3,4-d]thiazol-2-yl)amino)benzoate (CAS 892277-16-6)
Recommended Standards
- {4-fluoro-1-[tris(propan-2-yl)silyl]-1H-pyrrolo[2,3-b]pyridin-5-yl}boronic acid (CAS 2304634-59-9)
- 2-(2-(((3-(Furan-2-yl)-5-thioxo-1H-1,2,4-triazol-4(5H)-yl)imino)methyl)phenoxy)acetic acid (CAS 478253-70-2)
- (Benzylsulfamoyl)({[3-(trifluoromethyl)phenyl]methyl})amine (CAS 337924-16-0)
- N-(3-chloro-4-(pyridin-2-ylmethoxy)phenyl)-4,5-dimethoxy-2-methylbenzenesulfonamide (CAS 1370956-43-6)
- 4-Mercapto-1-butanol, 96% (CAS 14970-83-3)
- 2-(Cyclohexylmethyl)-3-hydroxybenzoic acid (CAS 1243282-32-7)
- Poly[2,5-bis(3-dodecylthiophen-2-yl)thieno[3,2-b]thiophene] (CAS 888491-18-7)
- C18:1 (Δ9-cis)carnitine (CAS 13962-05-5)
- Budesonide Impurity 15 (CAS CATO-C4X-138915)
- Neuropeptide K (human, porcine, rat) trifluoroacetate salt (CAS 96827-05-3)
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