4-((4-Chlorobenzyl)thio)-5,6-dihydro-4H-thieno[2,3-b]thiopyran 7,7-dioxide CAS 478067-54-8
| CAS No. | 478067-54-8 |
| Molecular Formula | C14H13ClO2S3 |
| Molecular Weight | 344.90 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 4-((4-Chlorobenzyl)thio)-5,6-dihydro-4H-thieno[2,3-b]thiopyran 7,7-dioxide is closely related to a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, a polycyclic aromatic system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
4-((4-Chlorobenzyl)thio)-5,6-dihydro-4H-thieno[2,3-b]thiopyran 7,7-dioxide (CAS 478067-54-8), molecular formula C14H13ClO2S3 and molecular weight 344.90 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, a polycyclic aromatic system, 4-((4-Chlorobenzyl)thio)-5,6-dihydro-4H-thieno[2,3-b]thiopyran 7,7-dioxide is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 344.90 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 4-((4-Chlorobenzyl)thio)-5,6-dihydro-4H-thieno[2,3-b]thiopyran 7,7-dioxide under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C14H13ClO2S3 |
| Molecular Weight | 344.90 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 3 |
Related Chlorobenzyl Standards
- (5-((4-Chlorobenzyl)thio)-1-methyl-3-phenyl-1H-pyrazol-4-yl)methanol (CAS 318959-22-7)
- (E)-1-(2-chlorobenzyl)-2-styryl-1H-benzo[d]imidazole (CAS 306977-87-7)
- 2-((3-Chlorobenzyl)(methyl)amino)-N-(chroman-4-yl)acetamide (CAS 923720-58-5)
- N-(4-chlorobenzyl)-2-((1,3-dioxoisoindolin-2-yl)oxy)acetamide (CAS 339105-85-0)
- 6-((2-Chlorobenzyl)oxy)-3-(chlorodifluoromethyl)-[1,2,4]triazolo[4,3-b]pyridazine (CAS 477871-78-6)
- N-(2-Chlorobenzyl)-2-(2,4-dichlorophenoxy)-1-propanamine (CAS 1040684-13-6)
- 2-(3-((3-Chlorobenzyl)oxy)phenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 2246838-42-4)
- 2-(3-((4-Chlorobenzyl)oxy)phenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 2246811-63-0)
Recommended Standards
- 3-Bromo-5-fluoro-2-iodobenzoic acid (CAS 2092613-57-3)
- 6-Bromo-2-fluoro-3-iodobenzoic acid (CAS 217816-53-0)
- 3-Bromo-2-fluoro-6-iodobenzoic acid (CAS 217816-54-1)
- 6-Bromo-3-fluoro-2-iodobenzoic acid (CAS 2091680-04-3)
- N-(3-(3-Methyl-1,2,4-oxadiazol-5-yl)thiophen-2-yl)furan-2-carboxamide (CAS 2034288-77-0)
- 1-(2-Fluoro-3-iodophenyl)ethan-1-amine (CAS 1824061-10-0)
- 1020056-75-0 7553AC C15H14ClFN2O2 N-(5-Amino-2-fluorophenyl)-2-(4-chlorophenoxy)-propanamide (CAS 1020056-75-0)
- 4-(p-Tolyl)-3-(trifluoromethyl)-1H-pyrazol-5-amine hydrochloride (CAS 1238864-82-8)
- (5-(Trifluoromethyl)thiophen-2-yl)methanamine (CAS 214759-26-9)
- n-Cycloheptyl-2-(2-oxopyrimidin-1(2h)-yl)acetamide (CAS 1089539-43-4)
- Lifitegrast Impurity 40 (CAS CATO-C4X-240940)
- 1,3-benzothiazole-2-sulfonamide (CAS 433-17-0)
- 2-(2-Ethoxyethoxy)quinoline (CAS 860609-35-4)
- (Gly1,Ser3·22,Gln?·3?,Thr?,Arg1?,Tyr21,Ala23·31,Aib32)-Pancreatic Polypeptide (human) (CAS 313988-89-5)
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