2-methyl-3-(5-methylthiophen-2-yl)propanoic acid CAS 74047-79-3
| CAS No. | 74047-79-3 |
| Molecular Formula | C9H16O2S |
| Molecular Weight | 188.29 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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 supplies 2-methyl-3-(5-methylthiophen-2-yl)propanoic acid (CAS 74047-79-3), a certified reference material (molecular formula C9H16O2S, MW 188.29 g/mol) for analytical method development and quality control.
Structurally, 2-methyl-3-(5-methylthiophen-2-yl)propanoic acid (C9H16O2S) contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 2.0, corresponding to approximately 2 ring(s) or double-bond equivalent(s). With a molecular weight of 188.29 g/mol, it falls into the medium-molecular-weight range.
As a certified reference material (CRM), 2-methyl-3-(5-methylthiophen-2-yl)propanoic acid meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C9H16O2S |
| Molecular Weight | 188.29 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.) | 1978 |
| Sulfur Atoms | 1 |
Related methyl Standards
- 4-(3-Methylthiophen-2-yl)-1H-pyrrole-3-carbonitrile (CAS 87388-75-8)
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- 3-(5-Methylthiophen-3-yl)aniline (CAS 1494877-35-8)
- 2-(5-Methylthiophen-2-yl)aniline (CAS 96919-46-9)
- 2-(5-methylthiophen-2-yl)pyridin-3-amine (CAS 1553934-71-6)
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Recommended Standards
- 2-Allyl-6-methylbenzo[b]thiophene (CAS 89816-56-8)
- 3,5-Dimethyl-2-phenylthiophene (CAS 57021-49-5)
- 2-Allyl-4-methylbenzo[b]thiophene (CAS 89816-54-6)
- 5-(2-methylpropyl)thiophene-2-carboxylic acid (CAS 5681-91-4)
- Ethyl 4-[(4-fluorophenyl)sulfanyl]-6-methylquinoline-3-carboxylate (CAS 477847-13-5)
- 3-Acetyl-5-methoxybenzenesulfonyl chloride (CAS 85276-42-2)
- 1,2-Dibromo-1,1,2,3,3,4,4,5,5,6,6,7,7,7-tetradecafluoroheptane (CAS 678-32-0)
- 4-(2-Fluorophenoxy)-1H-pyrazole (CAS 1429903-00-3)
- [1,3]Dioxolo[4,5-b]quinoxaline (CAS 856768-04-2)
- 4-(3-Bromothien-2-yl)benzaldehyde (CAS 934570-51-1)
- 3-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-2-(naphthalen-1-yl)propanoic acid (CAS 1310680-37-5)
- 1-(2-methylphenyl)-5-(propan-2-yl)-1H-pyrazol-4-amine (CAS 1245007-64-0)
- Methyl (R)-4-bromo-2-hydroxybutanoate (CAS 193827-67-7)
- Semaglutide Impurity 140 (CAS CATO-C4X-2226140)
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