Spiro[cyclopenta[2,1-b:3,4-b']dithiophene-4,2'-[1,3]dioxolane] CAS 156547-71-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 156547-71-6 |
| Molecular Formula | C11H8O2S2 |
| Molecular Weight | 236.31 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Spiro[cyclopenta[2,1-b:3,4-b']dithiophene-4,2'-[1,3]dioxolane] (CAS 156547-71-6), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C11H8O2S2. Molecular weight: 236.31 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C11H8O2S2 |
| Molecular Weight | 236.31 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 |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2001 |
| Sulfur Atoms | 2 |
Related Spiro Standards
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- Methyl spiro[3,5-dihydro-2H-pyrido[3,2-b][1,4]oxazepine-4,1'-cyclopropane]-8-carboxylate (CAS 2254498-63-8)
- Spiro[azetidine-3,2'-benzo[h]chromen]-4'(3'H)-one (CAS 1263284-98-5)
- 1'H-Spiro[piperidine-4,2'-quinazoline]-4'-thiol (CAS 1326871-48-0)
- spiro[5,7-dihydropyrazolo[5,1-b][1,3]oxazine-6,1'-cyclopropane]-3-sulfonamide (CAS 2238821-17-3)
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- Spiro[5.5]Undecane-3,9-Dicarboxylic Acid (CAS 10428-90-7)
Recommended Standards
- 2-(Phenethylamino)-2-phenyl-acetonitrile (CAS 1564-19-8)
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- 6-((2-ethoxyphenoxy)(phenyl)methyl)morpholin-3-one (CAS 93886-32-9)
- 1,3-Dimethyl-2,3-dihydro-1H-imidazol-1-ium tetrafluoroborate (CAS 121091-31-4)
- 5-Bromo-N-(2,2-dimethylthietan-3-yl)furan-2-carboxamide (CAS 1866969-66-5)
- N-[4-(Dimethylsulfamoyl)phenyl]-3-phenyl-6-(trifluoromethyl)thieno[3,2-b]pyridine-2-carboxamide (CAS 478260-59-2)
- 3-Ethyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine (CAS 1220696-49-0)
- Boc-Leu-Arg-Arg-AMC (CAS 109358-46-5)
- Akt/SKG Substrate Peptide (CAS 276680-69-4)
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