2,5-Bis(2-thienyl)-3,4-diaminothiophene CAS 185691-91-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 185691-91-2 |
| Molecular Formula | C12H10N2S3 |
| Molecular Weight | 278.42 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 2,5-Bis(2-thienyl)-3,4-diaminothiophene (CAS 185691-91-2), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C12H10N2S3. Molecular weight: 278.42 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C12H10N2S3 |
| Molecular Weight | 278.42 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2010 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 3 |
Related Bis Standards
- Tri(2-thienyl)phosphine (CAS 24171-89-9)
- 4-(5-Methyl-2-thienyl)-4,4a-dihydro-1H-pyrimido[4,5-b]indol-2-amine (CAS 1428139-43-8)
- [1-(2-Thienyl)-3,4-dihydroisoquinolin-2(1H)-yl]acetic acid (CAS 872696-23-6)
- Boc-β-(2-thienyl)-Ala-OH (CAS 56675-37-7)
- 31792-49-1 6-methyl-2-(2-thienyl)quinoline-4-carboxylic acid DTXSID80355646 (CAS 31792-49-1)
- 2-(5-Methyl-2-thienyl)quinoline-4-carbonyl chloride (CAS 1160264-88-9)
- 4-(2-Thienyl epoxymethyl)-3,4-dihydro-2-benzothiepin-5-(1H)-one (CAS 477871-63-9)
- 3-(2-thienyl)-3-[(2,2,2-trifluoroacetyl)amino]propanoic acid (CAS 115957-22-7)
Recommended Standards
- Phenyl(2-((trimethylsilyl)ethynyl)phenyl)methanone (CAS 172607-53-3)
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- [1-(4-Methyl-benzylsulfanyl)-cyclohexyl]-acetic acid (CAS 87242-91-9)
- 2-Propenoic acid, polymer with butyl 2-propenoate and ethenyl acetate (CAS 25085-41-0)
- 2-Methyl-2,3-dihydro-1H-cyclopenta[b]quinoxaline (CAS 109682-72-6)
- 1-[2-(1H-benzimidazol-1-yl)phenyl]methanamine,HCl (CAS 1431965-51-3)
- Oseltamivir impurity 268 (CAS CATO-C4X-1720268)
- 3-Hydroxy-2-(2-oxazol-2-yl-4-trifluoromethyl-benzoyl)-cyclohex-2-enone (CAS 1231576-82-1)
- 5-Phenylthiophene-3-carbaldehyde (CAS 38115-12-7)
- Tumor Targeted Pro-Apoptotic Peptide (CAS 1926163-30-5)
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 13829788188 / jacky.chen@cato-chem.com