4-methylthiophene-3-carboxylic acid CAS 78071-30-4
| CAS No. | 78071-30-4 |
| Molecular Formula | C6H10O2S |
| Molecular Weight | 146.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-methylthiophene-3-carboxylic acid (C6H10O2S) contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage. The carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions.
CATO supplies 4-methylthiophene-3-carboxylic acid (CAS 78071-30-4), a certified reference material (molecular formula C6H10O2S, MW 146.21 g/mol) for analytical method development and quality control.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures 4-methylthiophene-3-carboxylic acid under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C6H10O2S |
| Molecular Weight | 146.21 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Stable under recommended storage conditions |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1979 |
| Sulfur Atoms | 1 |
Related methylthiophene Standards
- 2-acetyl-5-methylthiophene (CAS 13679-74-8)
- 4-Methylthiophene-2-carboxylic acid (CAS 14282-78-1)
- 5-Methylthiophene-3-carboxylic Acid (CAS 19156-50-4)
- 2-Methylthiophene-3-carboxylic Acid (CAS 1918-78-1)
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- 5-Methylthiophene-3-boronic acid (CAS 930303-82-5)
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Recommended Standards
- 3-methyl-3-methylsulfonyl-but-1-yne (CAS 2109226-54-0)
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- Methyl 2-(allylthio)acetate (CAS 72867-23-3)
- Methyl 3-(2,6-dichlorophenyl)-5-(1-(2,4-dichlorophenyl)-3-(trifluoromethyl)-1H-pyrazol-4-yl)isoxazole-4-carboxylate (CAS 318949-22-3)
- Ethyl 4-(piperazin-1-ylmethyl)piperidine-1-carboxylate dihydrochloride (CAS 1211474-84-8)
- delta-7-Stigmasterol (CAS 481-19-6)
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- 2-(Adamantan-1-yl)-n-hydroxyacetamide (CAS 136561-40-5)
- 1-Isopropyl-3,5,5-trimethylpyrrolidin-2-one (CAS 155068-00-1)
- Methyl 2-oxo-2-(2-oxocyclopentyl)acetate (CAS 63053-54-3)
- Des-Pro36-37-Tirzepatide (CAS CATO-CPTD788938)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com