≥96% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
Room temperature Ships Normal 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.
| Pubchem Sid | 488188227 |
|---|---|
| Canonical Smiles | C1=CSC(=C1)C2=CC=C(S2)C(=O)O |
| IUPAC Name | 5-thiophen-2-ylthiophene-2-carboxylic acid |
| InChIKey | PTNWHEHDBNNKEO-UHFFFAOYSA-N |
| INCHI | 1S/C9H6O2S2/c10-9(11)8-4-3-7(13-8)6-2-1-5-12-6/h1-5H,(H,10,11) |
| Isomeric SMILES | C1=CSC(=C1)C2=CC=C(S2)C(=O)O |
| Molecular Weight | 210.3 |
| Reaxy-Rn | 1310983 |
| Reaxys-RN_link_address | https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=1310983&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 | Bi- and oligothiophenes |
| Subclass | Not available |
| Intermediate Tree Nodes | Not available |
| Direct Parent | Bi- and oligothiophenes |
| Alternative Parents | Thiophene carboxylic acids 2,5-disubstituted thiophenes Heteroaromatic compounds Monocarboxylic acids and derivatives Carboxylic acids Organooxygen compounds Organic oxides Hydrocarbon derivatives |
| Molecular Framework | Aromatic heteromonocyclic compounds |
| Substituents | Bithiophene - Thiophene carboxylic acid or derivatives - Thiophene carboxylic acid - 2,5-disubstituted thiophene - Heteroaromatic compound - Thiophene - Monocarboxylic acid or derivatives - Carboxylic acid - Carboxylic acid derivative - Organic oxygen compound - Organic oxide - Hydrocarbon derivative - Organooxygen compound - Aromatic heteromonocyclic compound |
| Description | This compound belongs to the class of organic compounds known as bi- and oligothiophenes. These are organic compounds containing two or more linked thiophene rings. Thiophene is a five-member aromatic ring with one sulfur and four carbon atoms. |
| 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 |
|---|---|---|---|
 C2317518 | Certificate of Analysis | Jan 19, 2026 | B182657 |
| K1823282 | Certificate of Analysis | Jun 04, 2024 | B182657 |
| K1823281 | Certificate of Analysis | Jun 04, 2024 | B182657 |
| G2127073 | Certificate of Analysis | May 20, 2024 | B182657 |
| G2127074 | Certificate of Analysis | May 20, 2024 | B182657 |
| G2127075 | Certificate of Analysis | May 20, 2024 | B182657 |
| Molecular Weight | 210.300 g/mol |
|---|---|
| XLogP3 | 2.800 |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 4 |
| Rotatable Bond Count | 2 |
| Exact Mass | 209.981 Da |
| Monoisotopic Mass | 209.981 Da |
| Topological Polar Surface Area | 93.800 Ų |
| Heavy Atom Count | 13 |
| Formal Charge | 0 |
| Complexity | 208.000 |
| 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 |
