Dithieno[2,3-b:2',3'-d]thiophene CAS 236-65-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 236-65-7 |
| Molecular Formula | C8H4S3 |
| Molecular Weight | 196.31 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Dithieno[2,3-b:2',3'-d]thiophene (CAS 236-65-7), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C8H4S3. Molecular weight: 196.31 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C8H4S3 |
| Molecular Weight | 196.31 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Sulfur Atoms | 3 |
Related Dithieno Standards
- Dithieno[2,3-b:3,2-d]thiophene (CAS 236-63-5)
- 3593-75-7 Dithieno[3,2-b:2 inverted exclamation marka,3 inverted exclamation marka-d]thiophene (CAS 3593-75-7)
- 2H-Dithieno[3,2-e:2′,3′-g]benzotriazole10,13-dithia-3,4,5-triazatetracyclo[10.3.0.0²,⁶.0⁷,¹¹]pentadeca-1(12),2,5,7(11),8,14-hexaene (CAS 1415761-30-6)
- Dithieno[3,2-c:2’,3’-e]oxepine-4,6-dione (CAS 1043023-52-4)
- Dithieno[3,2-b:2',3'-d]thiophene-2,6-dicarboxaldehyde (CAS 67061-73-8)
- Dithieno[3,2-b:2',3'-d]thiophene-2,6-dicarboxylic acid (CAS 502764-53-6)
Recommended Standards
- Benzyl(2-ethoxyethyl)sulfane (CAS 64080-56-4)
- 5-Propyl-4,5,6,7-tetrahydrothieno[3,2-c]pyridin-2-amine (CAS 91617-60-6)
- methyl[(2-methyl-4,5,6,7-tetrahydro-1,3-benzothiazol-4-yl)methyl]amine (CAS 77528-58-6)
- Ethyl 3-((4-(5-chloro-2-methylphenyl)piperazin-1-yl)sulfonyl)benzo[b]thiophene-2-carboxylate (CAS 932520-35-9)
- Moxifloxacin Hydrochloride Monohydrate (CAS 192927-63-2)
- 4,4'-((2-Methyl-2-((pyridin-4-yloxy)methyl)propane-1,3-diyl)bis(oxy))dipyridine (CAS 1228960-86-8)
- 3-Oxoindane-5-carbonitrile (CAS 69975-66-2)
- 3-Pyrrolidinylmethyl 2-furoate hydrochloride (CAS 1220037-26-2)
- Ornidazole Impurity 38 (CAS CATO-C4X-133138)
- Myristoyl Pentapeptide-4 (CAS 1392416-25-9)
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