2-Methyl-4-(thiophen-3-yl)butanoic acid CAS 19995-24-5
| CAS No. | 19995-24-5 |
| Molecular Formula | C9H12O2S |
| Molecular Weight | 184.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 2-Methyl-4-(thiophen-3-yl)butanoic acid (CAS 19995-24-5), a certified reference material (molecular formula C9H12O2S, MW 184.26 g/mol) for analytical method development and quality control.
Based on its molecular formula C9H12O2S, 2-Methyl-4-(thiophen-3-yl)butanoic acid contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 184.26 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 2-Methyl-4-(thiophen-3-yl)butanoic 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 | C9H12O2S |
| Molecular Weight | 184.26 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1962 |
| Sulfur Atoms | 1 |
Related Methyl Standards
- 4-(thiophen-2-yl)butanehydrazide (CAS 1016494-10-2)
- 2-(Thiophen-2-ylmethyl)butanoic acid (CAS 1017369-58-2)
- Methyl 4-(thiophen-3-yl)butanoate (CAS 122417-23-6)
- 2-(Thiophen-3-ylmethyl)butanoic acid (CAS 1247084-44-1)
- 2-Methyl-2-thiophen-3-yl-propionic acid methyl ester (CAS 147632-26-6)
- 2-(Thiophen-2-yl)pentanoic acid (CAS 857979-68-1)
- 2-Methyl-4-(thiophen-2-yl)butanoic acid (CAS 19995-41-6)
- 3-Methyl-2-(thiophen-3-yl)butanoic acid (CAS 73812-27-8)
Recommended Standards
- 2-Thioxo-1,3-diazaspiro[4.5]decan-4-one (CAS 72323-47-8)
- 2-Mercapto-6-methyl-5-propylpyrimidin-4-ol (CAS 51482-41-8)
- 3-(2-(Methylthio)ethyl)-5,6-dihydro-4H-pyrrolo[3,2-d]isoxazole (CAS 603067-23-8)
- 2-Amino-N-propylthiophene-3-carboxamide (CAS 221451-70-3)
- 4-Amino-3-(difluoromethyl)-5-methoxypyridin-2-ol (CAS 1805137-70-5)
- Isoindoline-4-carbaldehyde hydrochloride (CAS 1159823-39-8)
- 4-Chloro-2-fluorobenzohydrazide (CAS 1016768-00-5)
- Olaparib Impurity 127 (CAS CATO-C4X-1135127)
- 2-Acetamido-3-(thiophen-3-yl)propanoic acid (CAS 67206-08-0)
- (1-Cyclobutyl-1h-imidazol-2-yl)methanamine hydrochloride (CAS 2490704-94-2)
- Methyl 1-aminospiro[2.3]Hexane-5-carboxylate (CAS 1785095-81-9)
- 5,5-Dimethyl-3-nitrosooxazolidin-2-one (CAS 24519-03-7)
- 4-Fluoro-1,3-benzodioxole (CAS 943830-74-8)
- Semaglutide impurity 55 (CAS CATO-C4X-222655)
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