≥98% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
Protected from light,Store at -20°C,Argon charged Ships Ice chest + Ice pads Check lot-specific COA for exact specifications.
SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.
Cited in 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
| Canonical Smiles | C1=C(SC2=C1C=C(S2)Br)Br |
|---|---|
| IUPAC Name | 2,5-dibromothieno[2,3-b]thiophene |
| InChIKey | QHVWXMMQBYLRTM-UHFFFAOYSA-N |
| INCHI | 1S/C6H2Br2S2/c7-4-1-3-2-5(8)10-6(3)9-4/h1-2H |
| Isomeric SMILES | C1=C(SC2=C1C=C(S2)Br)Br |
| Molecular Weight | 298.01 |
| Reaxy-Rn | 1342752 |
| Reaxys-RN_link_address | https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=1342752&ln= |
Comprehensive hazard, handling, storage, and regulatory compliance document.
Download SDS →Lot-specific quality data. Enter your lot number to retrieve the exact COA.
Look up COA →Full quality attributes and acceptance criteria for this grade.
View spec sheet →Taxonomy Tree
| Kingdom | Organic compounds |
|---|---|
| Superclass | Organoheterocyclic compounds |
| Class | Thienothiophenes |
| Subclass | Not available |
| Intermediate Tree Nodes | Not available |
| Direct Parent | Thienothiophenes |
| Alternative Parents | 2,3,5-trisubstituted thiophenes Aryl bromides Heteroaromatic compounds Organobromides Hydrocarbon derivatives |
| Molecular Framework | Aromatic heteropolycyclic compounds |
| Substituents | Thienothiophene - 2,3,5-trisubstituted thiophene - Aryl halide - Aryl bromide - Heteroaromatic compound - Thiophene - Hydrocarbon derivative - Organobromide - Organohalogen compound - Aromatic heteropolycyclic compound |
| Description | This compound belongs to the class of organic compounds known as thienothiophenes. These are organic compounds containing two thiophene rings fused to each other. |
| External Descriptors | Not available |
Find and download the COA for your product by matching the lot number on the packaging.
| Lot Number | Certificate Type | Date | Item |
|---|---|---|---|
 D2521341 | Certificate of Analysis | Apr 12, 2025 | D155652 |
| D2521345 | Certificate of Analysis | Apr 12, 2025 | D155652 |
| D2521346 | Certificate of Analysis | Apr 12, 2025 | D155652 |
| D2521366 | Certificate of Analysis | Apr 12, 2025 | D155652 |
| Sensitivity | Light Sensitive,Air Sensitive,Heat Sensitive |
|---|---|
| Melt Point(°C) | 96 °C |
| Molecular Weight | 298.000 g/mol |
| XLogP3 | 5.000 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 2 |
| Rotatable Bond Count | 0 |
| Exact Mass | 297.794 Da |
| Monoisotopic Mass | 295.796 Da |
| Topological Polar Surface Area | 56.500 Ų |
| Heavy Atom Count | 10 |
| Formal Charge | 0 |
| Complexity | 128.000 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| The total count of all stereochemical bonds | 0 |
| Covalently-Bonded Unit Count | 1 |
![2,5-Dibromothieno[2,3-b]thiophene - ≥98% CAS No(25121-86-2) by Aladdin Scientific](https://www.aladdinsci.com/media/catalog/product/cache/207e23213cf636ccdef205098cf3c8a3/D/1/D155652.png)