ethyl 2-bromo-6-ethyl-thieno[3,2-b]thiophene-5-carboxylate CAS 2573123-44-9
| CAS No. | 2573123-44-9 |
| Molecular Formula | C11H17BrO2S2 |
| Molecular Weight | 325.29 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, ethyl 2-bromo-6-ethyl-thieno[3,2-b]thiophene-5-carboxylate (C11H17BrO2S2) contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution. The molecule exhibits a degree of unsaturation (DBE) of 3.0, corresponding to approximately 3 ring(s) or double-bond equivalent(s). With a molecular weight of 325.29 g/mol, it falls into the moderately-high-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
CATO supplies ethyl 2-bromo-6-ethyl-thieno[3,2-b]thiophene-5-carboxylate (CAS 2573123-44-9), a certified reference material (molecular formula C11H17BrO2S2, MW 325.29 g/mol) for analytical method development and quality control.
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 ethyl 2-bromo-6-ethyl-thieno[3,2-b]thiophene-5-carboxylate 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 | C11H17BrO2S2 |
| Molecular Weight | 325.29 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 2001 |
| Halogen Content | Br-containing |
| Sulfur Atoms | 2 |
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Recommended Standards
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- Flumetsulam (CAS 98967-40-9)
- 4-(1H-Imidazo[4,5-b]phenazin-2-yl)-N,N-dimethylaniline (CAS 2417-59-6)
- tert-Butyl 4-(1H-pyrazol-4-yl)piperidine-1-carboxylate (CAS 278798-15-5)
- 1-(2,4-Dimethoxybenzyl)urea (CAS 296277-76-4)
- 1-BOC-7-Methoxyindole (CAS 1215205-77-8)
- N-(2-Aminoethyl)-2-(5-methyl-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)acetamide (CAS 546145-03-3)
- Glycohyodeoxycholic Acid (CAS 13042-33-6)
- C-(1-Propyl-1,2,3,4-tetrahydro-quinolin-6-yl)-methylamine oxalate (CAS 1164525-12-5)
- 3-Fluoro-2-iodotoluene (CAS 883502-14-5)
- 1-(4-Fluorophenyl)pentan-1-ol (CAS 3913-55-1)
- Semaglutide impurity 286 (CAS CATO-C4X-2226286)
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