1,1'-(Thiophene-2,5-diyl)bis(ethan-1-one) CAS 4927-10-0
| CAS No. | 4927-10-0 |
| Molecular Formula | C8H8O2S |
| Molecular Weight | 168.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 1,1'-(Thiophene-2,5-diyl)bis(ethan-1-one) meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
1,1'-(Thiophene-2,5-diyl)bis(ethan-1-one) (CAS 4927-10-0) is a high-purity analytical reference standard with the molecular formula C8H8O2S and a molecular weight of 168.21 g/mol.
The molecular framework of 1,1'-(Thiophene-2,5-diyl)bis(ethan-1-one) (C8H8O2S) is characterized by a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. In reversed-phase chromatography, its retention is governed primarily by the polarity and ionization state of its functional groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C8H8O2S |
| Molecular Weight | 168.21 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Sulfur Atoms | 1 |
Related Thiophene Standards
- thiophene-3-sulfonic acid (CAS 113282-83-0)
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- thiophene-2-sulfonyl fluoride 382-99-0 VS-0067 (CAS 382-99-0)
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Recommended Standards
- 1-(Thiophen-3-yl)butane-1,3-dione (CAS 3115-63-7)
- 1,3-dihydro-2$l^{6}-benzothiophene-2,2-dione (CAS 2471-91-2)
- 1-(5-Methylthiophen-2-yl)propane-1,2-dione (CAS 59020-83-6)
- 1-[(2-Hydroxyethyl)sulfonyl]-2-propanol (CAS 32014-03-2)
- 5-cyanonaphthalene-1-carboxylic acid (CAS 3839-20-1)
- (2,3-Dihydrobenzo[b][1,4]dioxin-2-yl)(1,5-dioxa-9-azaspiro[5.5]undecan-9-yl)methanone (CAS 1351649-18-7)
- 4,6-Dichloro-3-(trifluoromethyl)-1H-pyrrolo[2,3-b]pyridine (CAS 1256801-93-0)
- Tert-butyl 4-(piperidin-4-ylsulfonyl)piperidine-1-carboxylate (CAS 2306265-61-0)
- 2-Chloro-N-[[1-(dimethylamino)cyclohexyl]methyl]-benzamide (CAS 759397-79-0)
- Mirabegron Impurity 54 (CAS 2384612-86-4)
- Sulbactam Impurity 17 (CAS 24138-28-1)
- 3-(Pyridin-2-yl)pyrido[3,4-e][1,2,4]triazine (CAS 121845-65-6)
- n-Propylpyrrolidine-2-carboxamide (CAS 1160708-87-1)
- Liraglutide Impurity 5 TFA Salt (CAS CATO-C4X-19925)
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