Methyl 2-(5-Formyl-2-thienyl)benzoate CAS 194416-91-6
| CAS No. | 194416-91-6 |
| Molecular Formula | C13H10O3S |
| Molecular Weight | 246.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C13H10O3S, Methyl 2-(5-Formyl-2-thienyl)benzoate 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 246.28 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
Methyl 2-(5-Formyl-2-thienyl)benzoate (CAS 194416-91-6), molecular formula C13H10O3S and molecular weight 246.28 g/mol, is a CATO reference standard with documented purity and traceability.
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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C13H10O3S |
| Molecular Weight | 246.28 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2012 |
| Sulfur Atoms | 1 |
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Recommended Standards
- 3,4-Dimethoxybenzyl methanesulfonate (CAS 192997-45-8)
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- (3AR,7aS)-5-(4-fluorophenyl)-2,2-dimethyl-3a,7a-dihydrobenzo[d][1,3]dioxole (CAS 2199389-30-3)
- (1S,4s)-4-(tert-butoxycarbonyl)-1-fluorocyclohexane-1-carboxylic acid (CAS 1801203-30-4)
- (2'-(Trifluoromethyl)-[1,1'-biphenyl]-4-yl)methanamine (CAS 472964-20-8)
- 2-(4-Chloro-2-fluorophenyl)propan-2-ol (CAS 1537457-36-5)
- 2-Methyloxazolo[4,5-c]quinoline (CAS 15260-89-6)
- 2-Eicosyl-1-tetracosanol (CAS 73761-81-6)
- Lanthanum(III) Sulfate Hydrate (CAS 57804-25-8)
- 1-Naphthalenesulfonic acid, 3,4-dihydro-3,4-dioxo- (CAS 2066-93-5)
- 2-Cyclopentyl-1,3,5-trifluorobenzene (CAS 1521521-97-0)
- 2-Methoxyphenylethylamine Hydrochloride (CAS 3167-07-5)
- p-Tolyl(4-(trifluoromethyl)phenyl)methanone (CAS 34328-30-8)
- Biotinyl-Neuropeptide W-23 (human) (CAS 1815618-09-7)
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