≥98% 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 1 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
| Canonical Smiles | C1=CSC(=C1)C=CC(=O)O |
|---|---|
| IUPAC Name | (E)-3-thiophen-2-ylprop-2-enoic acid |
| InChIKey | KKMZQOIASVGJQE-ONEGZZNKSA-N |
| INCHI | 1S/C7H6O2S/c8-7(9)4-3-6-2-1-5-10-6/h1-5H,(H,8,9)/b4-3+ |
| Isomeric SMILES | C1=CSC(=C1)/C=C/C(=O)O |
| PubChem CID | 735981 |
| Molecular Weight | 154.18 |
| Beilstein | 18301 |
| Reaxy-Rn | 2590 |
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 | Heteroaromatic compounds |
| Subclass | Not available |
| Intermediate Tree Nodes | Not available |
| Direct Parent | Heteroaromatic compounds |
| Alternative Parents | Thiophenes Monocarboxylic acids and derivatives Carboxylic acids Organic oxides Hydrocarbon derivatives Carbonyl compounds |
| Molecular Framework | Aromatic heteromonocyclic compounds |
| Substituents | Heteroaromatic compound - Thiophene - Monocarboxylic acid or derivatives - Carboxylic acid - Carboxylic acid derivative - Organic oxygen compound - Organic oxide - Hydrocarbon derivative - Organooxygen compound - Carbonyl group - Aromatic heteromonocyclic compound |
| Description | This compound belongs to the class of organic compounds known as heteroaromatic compounds. These are compounds containing an aromatic ring where a carbon atom is linked to an hetero atom. |
| 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 |
|---|---|---|---|
 G2229164 | Certificate of Analysis | May 13, 2026 | T162810 |
| F2227019 | Certificate of Analysis | Apr 02, 2026 | T162810 |
| G2201699 | Certificate of Analysis | Apr 02, 2026 | T162810 |
| C1912130 | Certificate of Analysis | Jan 05, 2023 | T162810 |
| B2322947 | Certificate of Analysis | Aug 02, 2022 | T162810 |
| E2308042 | Certificate of Analysis | Jul 04, 2022 | T162810 |
| Melt Point(°C) | 145-148°C |
|---|---|
| Molecular Weight | 154.190 g/mol |
| XLogP3 | 1.700 |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 3 |
| Rotatable Bond Count | 2 |
| Exact Mass | 154.009 Da |
| Monoisotopic Mass | 154.009 Da |
| Topological Polar Surface Area | 65.500 Ų |
| Heavy Atom Count | 10 |
| Formal Charge | 0 |
| Complexity | 154.000 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 1 |
| Undefined Bond Stereocenter Count | 0 |
| The total count of all stereochemical bonds | 1 |
| Covalently-Bonded Unit Count | 1 |
| 1. Yupei Sun, Yanhui Yi, Bingkang Wang, Jinrong Li, Feng Zhao, Jianzeng Xin, Sheng Liu. (2026) Design, synthesis and anti-tumor activation of β-carboline alkaloids derivatives from Picrasma quassioides. FITOTERAPIA, [PMID:] [10.1016/j.fitote.2026.107209] |
