[2,2'-Bithiophene]-5-Carbonylchloride CAS 135887-26-2
| CAS No. | 135887-26-2 |
| Molecular Formula | C9H5ClOS2 |
| Molecular Weight | 228.72 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
[2,2'-Bithiophene]-5-Carbonylchloride (C9H5ClOS2) contains sulfur-containing functionality, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system. Halogen substitution raises its density and boiling point; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
[2,2'-Bithiophene]-5-Carbonylchloride (CAS 135887-26-2) is a high-purity analytical reference standard with the molecular formula C9H5ClOS2 and a molecular weight of 228.72 g/mol.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures [2,2'-Bithiophene]-5-Carbonylchloride under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C9H5ClOS2 |
| Molecular Weight | 228.72 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; 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.) | 1995 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 2 |
Related Bithiophene Standards
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- [3,3'-Bithiophene]-4,4'-diyldimethanol (CAS 23062-33-1)
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- [2,3'-bithiophene]-2'-carboxylic acid (CAS 103028-39-3)
Recommended Standards
- N1-((6-Chloropyridazin-3-yl)methyl)-N1-isopropylethane-1,2-diamine (CAS 1353978-52-5)
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- N1-((3-Chloropyrazin-2-yl)methyl)-N1-isopropylethane-1,2-diamine (CAS 1353960-22-1)
- 2-(5-Chloro-2-isobutoxyphenyl)ethanol (CAS 1443309-38-3)
- Cyclopropyl(2,3-dihydrobenzofuran-5-yl)methanamine (CAS 1021090-63-0)
- 4-(Benzofuran-2-yl)phenol (CAS 26870-36-0)
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- Methyl 4-chlorocinnoline-6-carboxylate (CAS 849805-63-6)
- N-(4-(m-Tolyloxy)phenyl)acetamide (CAS 873978-23-5)
- 2-Ethylhexyl 4-nitrobenzoate (CAS 16397-70-9)
- Quinoxaline-2,3,6-triol (CAS 60729-17-1)
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Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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