Spiro[cyclopenta[2,1-b:3,4-b']dithiophene-4,2'-[1,3]dioxolane] CAS 156547-71-6
| 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
Based on its molecular formula C11H8O2S2, Spiro[cyclopenta[2,1-b:3,4-b']dithiophene-4,2'-[1,3]dioxolane] contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 236.31 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO supplies Spiro[cyclopenta[2,1-b:3,4-b']dithiophene-4,2'-[1,3]dioxolane] (CAS 156547-71-6), a certified reference material (molecular formula C11H8O2S2, MW 236.31 g/mol) for analytical method development and quality control.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
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
- Spiro[chromane-2,3'-thietan]-4-one 1',1'-dioxide (CAS 1823777-05-4)
- Spiro[imidazolidine-4,4'-thiochromane]-2,5-dione (CAS 66892-42-0)
- 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)
- 1'H-spiro[cyclohexane-1,2'-quinazoline]-4'(3'H)-thione (CAS 126492-23-7)
- Spiro[5.5]Undecane-3,9-Dicarboxylic Acid (CAS 10428-90-7)
Recommended Standards
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- 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)
- 4-((2-Amino-3-fluorophenyl)amino)cyclohexan-1-ol (CAS 1233952-83-4)
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- Akt/SKG Substrate Peptide (CAS 276680-69-4)
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