≥97% 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 | 488193986 |
|---|---|
| Pubchem Sid Url | https://pubchem.ncbi.nlm.nih.gov/substance/488193986 |
| Canonical Smiles | CC1=CSC(=C1)C(=O)O |
| IUPAC Name | 4-methylthiophene-2-carboxylic acid |
| InChIKey | YCIVJGQMXZZPAB-UHFFFAOYSA-N |
| INCHI | 1S/C6H6O2S/c1-4-2-5(6(7)8)9-3-4/h2-3H,1H3,(H,7,8) |
| Isomeric SMILES | CC1=CSC(=C1)C(=O)O |
| WGK Germany | 3 |
| Molecular Weight | 142.18 |
| Reaxy-Rn | 114042 |
| Reaxys-RN_link_address | https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=114042&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 | Thiophenes |
| Subclass | Thiophene carboxylic acids and derivatives |
| Intermediate Tree Nodes | Not available |
| Direct Parent | Thiophene carboxylic acids |
| Alternative Parents | Heteroaromatic compounds Monocarboxylic acids and derivatives Carboxylic acids Organooxygen compounds Organic oxides Hydrocarbon derivatives |
| Molecular Framework | Aromatic heteromonocyclic compounds |
| Substituents | Thiophene carboxylic acid - Heteroaromatic compound - 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 thiophene carboxylic acids. These are compounds containing a thiophene ring which bears a carboxylic acid group. |
| External Descriptors | Not available |
| Melt Point(°C) | 122-126°C |
|---|---|
| Molecular Weight | 142.180 g/mol |
| XLogP3 | 1.800 |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 3 |
| Rotatable Bond Count | 1 |
| Exact Mass | 142.009 Da |
| Monoisotopic Mass | 142.009 Da |
| Topological Polar Surface Area | 65.500 Ų |
| Heavy Atom Count | 9 |
| Formal Charge | 0 |
| Complexity | 124.000 |
| 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 |
L2418010