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· · COA & SDS available for every product · Same-day shipping on in-stock items 4-Methoxythiophene-3-carboxylic acid - ≥96% , CAS No.71050-40-3
Synonyms
4-(Methyloxy)-3-thiophenecarboxylic acid | DS-0987 | MLS000850547 | FT-0618969 | MFCD00067997 | 4-methoxythiophene-3-carboxylic acid, AldrichCPR | AM804262 | AS-5493 | SR-01000636863-1 | SMR000456565 | AKOS006228819 | KEYPLCJVNVJJQK-UHFFFAOYSA-N | SY10987
Storage
Store at 2-8°C,Protected from light
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Why this grade ≥96% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
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Storage & shipping Store at 2-8°C,Protected from light Ships Wet ice Check lot-specific COA for exact specifications.
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Quality documents SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.
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Literature proof Cited in 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
Specifications Synonyms
4-(Methyloxy)-3-thiophenecarboxylic acid | DS-0987 | MLS000850547 | FT-0618969 | MFCD00067997 | 4-methoxythiophene-3-carboxylic acid, AldrichCPR | AM804262 | AS-5493 | SR-01000636863-1 | SMR000456565 | AKOS006228819 | KEYPLCJVNVJJQK-UHFFFAOYSA-N | SY10987
Specifications & Purity
≥96%
Storage
Store at 2-8°C, Protected from light
Shipped In
Wet ice
This product requires cold chain shipping. Ground and other economy services are not available.
Names and Identifiers Canonical Smiles COC1=CSC=C1C(=O)O IUPAC Name 4-methoxythiophene-3-carboxylic acid InChIKey KEYPLCJVNVJJQK-UHFFFAOYSA-N INCHI 1S/C6H6O3S/c1-9-5-3-10-2-4(5)6(7)8/h2-3H,1H3,(H,7,8) Isomeric SMILES COC1=CSC=C1C(=O)O Molecular Weight 158.18 Reaxy-Rn 1364696 Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=1364696&ln=
Documentation 📋 Safety Data Sheet (SDS) Comprehensive hazard, handling, storage, and regulatory compliance document.
Download SDS → ✅ Certificate of Analysis (COA) Lot-specific quality data. Enter your lot number to retrieve the exact COA.
Look up COA → 📊 Datasheet Quick-reference summary of product specifications and applications.
View datasheet → 🔬 Specification Sheet Full quality attributes and acceptance criteria for this grade.
View spec sheet →
Advanced Data Taxonomic Classification 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 Alkyl aryl ethers Heteroaromatic compounds Monocarboxylic acids and derivatives Carboxylic acids Organic oxides Hydrocarbon derivatives Molecular Framework Aromatic heteromonocyclic compounds Substituents Thiophene carboxylic acid - Alkyl aryl ether - Heteroaromatic compound - Monocarboxylic acid or derivatives - Ether - 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 Data sources 1. Djoumbou Feunang Y, Eisner R, Knox C, Chepelev L, Hastings J, Owen G, Fahy E, Steinbeck C, Subramanian S, Bolton E, Greiner R, and Wishart DS. ClassyFire: Automated Chemical Classification With A Comprehensive, Computable Taxonomy. Journal of Cheminformatics, 2016, 8:61.
3D Structure Associated Targets(Human) Associated Targets(non-human) Mechanisms of Action Certificates（CoA,COO,BSE/TSE and Analysis Chart) Chemical and Physical Properties Sensitivity light sensitive Boil Point(°C) 295.7°C at 760 mmHg Melt Point(°C) 105° C Molecular Weight 158.180 g/mol XLogP3 1.100 Hydrogen Bond Donor Count 1 Hydrogen Bond Acceptor Count 4 Rotatable Bond Count 2 Exact Mass 158.004 Da Monoisotopic Mass 158.004 Da Topological Polar Surface Area 74.800 Ų Heavy Atom Count 10 Formal Charge 0 Complexity 137.000 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
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