≥98% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
Store at 2-8°C,Argon charged Ships Wet ice 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 4 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
It is a thiophene. The intramolecular and intermolecular geometries of crystals of 3-methoxythiophene were studied. Spectroscopic studies of bipolarons derived from oligomerized 3-methoxythiophene in solution has been reported. The electropolymerization of 3-methoxythiophene on Pt and Fe electrodes in an aqueous micellar medium containing sodium dodecyl sulfate and 10-3M bithiophene has been reported. Thin polymer films of 3-methoxythiophene at the cathode in a direct current discharge have been prepared.
| Pubchem Sid | 488188072 |
|---|---|
| Pubchem Sid Url | https://pubchem.ncbi.nlm.nih.gov/substance/488188072 |
| Canonical Smiles | COC1=CSC=C1 |
| IUPAC Name | 3-methoxythiophene |
| InChIKey | RFSKGCVUDQRZSD-UHFFFAOYSA-N |
| INCHI | 1S/C5H6OS/c1-6-5-2-3-7-4-5/h2-4H,1H3 |
| Isomeric SMILES | COC1=CSC=C1 |
| WGK Germany | 3 |
| UN Number | 1993 |
| Molecular Weight | 114.17 |
| Beilstein | 106404 |
| Reaxy-Rn | 106404 |
| Reaxys-RN_link_address | https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=106404&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 | Organic oxygen compounds |
| Class | Organooxygen compounds |
| Subclass | Ethers |
| Intermediate Tree Nodes | Not available |
| Direct Parent | Alkyl aryl ethers |
| Alternative Parents | Thiophenes Heteroaromatic compounds Hydrocarbon derivatives |
| Molecular Framework | Aromatic heteromonocyclic compounds |
| Substituents | Alkyl aryl ether - Heteroaromatic compound - Thiophene - Organoheterocyclic compound - Hydrocarbon derivative - Aromatic heteromonocyclic compound |
| Description | This compound belongs to the class of organic compounds known as alkyl aryl ethers. These are organic compounds containing the alkyl aryl ether functional group with the generic formula R-O-R' , where R is an alkyl group and R' is an aryl group. |
| 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 |
|---|---|---|---|
 D1812186 | Certificate of Analysis | Dec 22, 2025 | M103169 |
| D1812185 | Certificate of Analysis | Dec 22, 2025 | M103169 |
| B2216169 | Certificate of Analysis | Nov 24, 2025 | M103169 |
| K2124243 | Certificate of Analysis | Sep 04, 2025 | M103169 |
| K2124202 | Certificate of Analysis | Sep 04, 2025 | M103169 |
| I2509461 | Certificate of Analysis | Jul 27, 2024 | M103169 |
| I2509462 | Certificate of Analysis | Jul 27, 2024 | M103169 |
| G2412134 | Certificate of Analysis | Apr 12, 2024 | M103169 |
| G2412135 | Certificate of Analysis | Apr 12, 2024 | M103169 |
| G2412208 | Certificate of Analysis | Apr 12, 2024 | M103169 |
| G2412209 | Certificate of Analysis | Apr 12, 2024 | M103169 |
| G2412210 | Certificate of Analysis | Apr 12, 2024 | M103169 |
| H1526034 | Certificate of Analysis | Apr 12, 2023 | M103169 |
| E23091008 | Certificate of Analysis | Feb 23, 2023 | M103169 |
| E2309642 | Certificate of Analysis | Feb 23, 2023 | M103169 |
| E2309959 | Certificate of Analysis | Feb 23, 2023 | M103169 |
| E2309960 | Certificate of Analysis | Feb 23, 2023 | M103169 |
| E23091004 | Certificate of Analysis | Feb 23, 2023 | M103169 |
| E23091001 | Certificate of Analysis | Feb 23, 2023 | M103169 |
| Sensitivity | Air&Heat sensitive |
|---|---|
| Refractive Index | 1.532 |
| Flash Point(°F) | 120.2 °F |
| Flash Point(°C) | 49 °C |
| Boil Point(°C) | 82°C |
| Molecular Weight | 114.170 g/mol |
| XLogP3 | 1.600 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 2 |
| Rotatable Bond Count | 1 |
| Exact Mass | 114.014 Da |
| Monoisotopic Mass | 114.014 Da |
| Topological Polar Surface Area | 37.500 Ų |
| Heavy Atom Count | 7 |
| Formal Charge | 0 |
| Complexity | 56.000 |
| 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 |
| 1. Yan Zhang, Lingqian Kong, Hongmei Du, Jinsheng Zhao, Yu Xie. (2018) Three novel donor-acceptor type electrochromic polymers containing 2,3-bis(5-methylfuran-2-yl)thieno[3,4-b]pyrazine acceptor and different thiophene donors: Low-band-gap, neutral green-colored, fast-switching materials. JOURNAL OF ELECTROANALYTICAL CHEMISTRY, [PMID:] [10.1016/j.jelechem.2018.10.020] |
| 2. Shuai Li, Guoliang Liu, Xiuping Ju, Yan Zhang, Jinsheng Zhao. (2017) Synthesis, Characterization and Application of Four Novel Electrochromic Materials Employing Nitrotriphenylamine Unit as the Acceptor and Different Thiophene Derivatives as the Donor. Polymers, 9 (5): (173). [PMID:30970853] [10.3390/polym9050173] |
| 3. Yingfei Hou, Lingqian Kong, Xiuping Ju, Xiaoli Liu, Jinsheng Zhao, Qingshan Niu. (2016) Multichromic Polymers Containing Alternating Bi(3-Methoxythiophene) and Triphenylamine Based Units with Para-Protective Substituents. Materials, 9 (9): (779). [PMID:28773900] [10.3390/ma9090779] |
| 4. Yan Zhang, Lingqian Kong, Xuezhong Liu, Chunlei Wang, Jinsheng Zhao. (2016) Two New Bithiophenes Derivatives Multielectrochromic Copolymer Based on Triphenylamine Unit and Their Application for Electrochromic Devices. BULLETIN OF THE KOREAN CHEMICAL SOCIETY, 37 (8): (1234-1243). [PMID:] [10.1002/bkcs.10844] |
