Diethyl 2,5-dichlorothieno[3,2-b]thiophene-3,6-dicarboxylate CAS 1268375-33-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1268375-33-2 |
| Molecular Formula | C12H10Cl2O4S2 |
| Molecular Weight | 353.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Diethyl 2,5-dichlorothieno[3,2-b]thiophene-3,6-dicarboxylate (CAS 1268375-33-2), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C12H10Cl2O4S2. Molecular weight: 353.24 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C12H10Cl2O4S2 |
| Molecular Weight | 353.24 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 2 |
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Recommended Standards
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- 1-Methyl-5-phenyl-1H-1,2,4-triazole-3-carbaldehyde (CAS 1956335-99-1)
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- 2-(Indenylamino)acetamide HCl salt (CAS 202914-18-9)
- 2-(4-Bromophenyl)-2-methylpropane-1,3-diol (CAS 66810-01-3)
- Tert-butyl 2-amino-4-methyl-6,7-dihydrothiazolo[4,5-c]pyridine-5(4H)-carboxylate (CAS 2180093-91-6)
- [(5-bromothiophen-2-yl)methyl](2-methoxyethyl)amine hydrochloride (CAS 1645414-72-7)
- Liraglutide Impurity 18 TFA Salt (CAS CATO-C4X-199218)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com