Thieno[3,2-b]thiophene-3-sulfonyl chloride CAS 2657622-90-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 2657622-90-5 |
| Molecular Formula | C6H3ClO2S3 |
| Molecular Weight | 238.73 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Thieno[3,2-b]thiophene-3-sulfonyl chloride (CAS 2657622-90-5), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C6H3ClO2S3. Molecular weight: 238.73 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C6H3ClO2S3 |
| Molecular Weight | 238.73 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2002 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 3 |
Related Thieno Standards
- Thieno[3,2-b]thiophene-2-sulfonyl chloride (CAS 2503207-46-1)
- Methyl thieno[2',3':4,5]imidazo[2,1-b]thiazole-2-carboxylate (CAS 477851-85-7)
- Thieno[2,3:4,5]benzo[1,2-d][1,3]dioxole-6-carboxylic acid methyl ester (CAS 19492-85-4)
- 4-Phenyl-thieno[2,3-d]pyrimidin-2-ol (CAS 51687-42-4)
- N1-thieno[2,3-d]pyrimidin-4-yl-2-chloroethanohydrazide (CAS 680211-00-1)
- Thieno[3,2-b][1]benzothiophene-2-carboxylic acid (CAS 30126-05-7)
- Phenyl(thieno[3,4-d][1,3]dioxol-4-yl)methanol (CAS 327070-52-0)
- Methyl thieno[2,3-b]quinoline-2-carboxylate (CAS 51925-46-3)
Recommended Standards
- 5-(2-chloro-3-methylbenzyl)-1,3-thiazol-2-amine (CAS 1000931-88-3)
- 7,7-Dimethylbicyclo[2.2.1]heptan-1-yl sulfochloridate (CAS 62060-23-5)
- {[2-(2-Chlorophenyl)-4-methyl-1,3-thiazol-5-yl]methyl}amine (CAS 1082119-61-6)
- Ethyl 2-(4-benzoylphenoxy)acetate (CAS 51848-56-7)
- (4-Iodophenyl)(quinolin-3-yl)methanone (CAS 1187167-01-6)
- 2-Chloro-4-ethenylbenzoic acid (CAS 1266121-77-0)
- Dicapthon (CAS 2463-84-5)
- CARBOLINE-1-PROPIONIC ACID, B- (CAS 89915-39-9)
- 2-((2,4-Dichlorobenzyl)thio)-3-methyl-6-(trifluoromethyl)pyrimidin-4(3H)-one (CAS 339101-49-4)
- Tau Peptide (337-368) (Repeat 4 Domain) trifluoroacetate salt (CAS 330456-27-4)
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