1,1-Dioxido-2,3-dihydro-4H-thieno[2,3-b]thiopyran-4-yl 4-chlorobenzoate CAS 343373-76-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 343373-76-2 |
| Molecular Formula | C14H11ClO4S2 |
| Molecular Weight | 342.82 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 4-chlorobenzoate (CAS 343373-76-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C14H11ClO4S2. Molecular weight: 342.82 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C14H11ClO4S2 |
| Molecular Weight | 342.82 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 | Cl-containing |
| Sulfur Atoms | 2 |
Related Dioxido Standards
- 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 6-chloronicotinate (CAS 343373-82-0)
- N1-(4-(1,1-Dioxido-1,2-thiazinan-2-yl)phenyl)-N2-(2-hydroxyethyl)oxalamide (CAS 899748-20-0)
- 3-(1,1-Dioxido-2H-1,2,4-benzothiadiazin-3-yl)-4-hydroxy-2(1H)-quinolinone 303776-73-0 (CAS 303776-73-0)
- 1,1-Dioxido-2,3-dihydro-4H-thieno[2,3-b]thiopyran-4-yl 2,6-difluorobenzoate (CAS 343373-67-1)
- 2-(1,1-Dioxido-3-oxobenzo[d]isothiazol-2(3H)-yl)-N-(2-ethylphenyl)acetamide (CAS 663169-01-5)
- Ethyl 4-((5,5-dioxido-3a,4,6,6a-tetrahydrothieno[3,4-d]thiazol-2-yl)amino)benzoate (CAS 892277-16-6)
- Ethyl 2-((1,1-dioxido-3-oxobenzo[d]isothiazol-2(3H)-yl)methyl)benzoate (CAS 866152-97-8)
Recommended Standards
- 1,1-Dioxo-1,2,3,4-tetrahydro-1lambda~6~-thieno[2,3-b]thiopyran-4-yl 3-chlorobenzenecarboxylate (CAS 343373-80-8)
- 4-([1,1'-Biphenyl]-3-yl)-6-chloro-2-phenylpyrimidine (CAS 1852465-76-9)
- 2-((2-((4-(4-Chlorophenyl)thiazol-2-yl)amino)-2-oxoethyl)thio)acetic acid (CAS 477867-80-4)
- 3-(1,2,4-oxadiazol-5-yl)morpholine, trifluoroacetic acid (CAS 1803603-99-7)
- α,ε-Dibenzoyl-DL-lysine (CAS 32513-92-1)
- 4-methyl-2-phenylpentanal (CAS 911806-53-6)
- 6-((2-Aminoethyl)thio)-1,2,4-triazine-3,5(2h,4h)-dione (CAS 852706-20-8)
- 3-(4-Methoxyphenyl)-6-methyl-2H-1,4-benzoxazine (CAS 338391-79-0)
- 6-Hydroxy-L-Norleucine (CAS 6033-32-5)
- Semaglutide impurity 66 (CAS CATO-C4X-222666)
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