4-((P-tolyloxy)methyl)thiophene-2-carbaldehyde CAS 869947-76-2
| CAS No. | 869947-76-2 |
| Molecular Formula | C13H12O2S |
| Molecular Weight | 232.30 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
4-((P-tolyloxy)methyl)thiophene-2-carbaldehyde (CAS 869947-76-2), molecular formula C13H12O2S and molecular weight 232.30 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 4-((P-tolyloxy)methyl)thiophene-2-carbaldehyde (C13H12O2S) contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 232.30 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.
Physical & Chemical Properties
| Molecular Formula | C13H12O2S |
| Molecular Weight | 232.30 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Sulfur Atoms | 1 |
Related P Standards
- 4-((M-tolyloxy)methyl)thiophene-2-carbaldehyde (CAS 869947-75-1)
- 4-((O-tolyloxy)methyl)thiophene-2-carbaldehyde (CAS 869947-77-3)
- 7-(p-Tolyloxy)octahydropyrrolo[1,2-a]pyrazine (CAS 1422058-96-5)
- 5-((O-tolyloxy)methyl)furan-2-carboxylic acid (CAS 832739-12-5)
- 3-(P-TOLYLOXY)PHTHALONITRILE (CAS 116965-13-0)
- 4-(p-Tolyloxy)phthalonitrile (CAS 182417-07-8)
- 2-(M-tolyloxy)ethane-1-sulfonyl chloride (CAS 1018288-14-6)
- 2-(O-tolyloxy)ethane-1-sulfonyl chloride (CAS 1018340-50-5)
Recommended Standards
- 4-(2-Methylprop-2-en-1-yl)-5-(pyridin-4-yl)-4h-1,2,4-triazole-3-thiol (CAS 307327-60-2)
- 4-(Methylsulfonyl)-1,1'-biphenyl (CAS 6462-34-6)
- 3-Phenyl-5-(propan-2-ylidene)-2-thioxoimidazolidin-4-one (CAS 61632-47-1)
- 4-Amino-6,7,8,9-tetrahydropyrimido[4,5-b]quinoline-2(1H)-thione (CAS 577984-25-9)
- N-Methyl-5-oxo-1-(prop-2-yn-1-yl)pyrrolidine-2-carboxamide (CAS 118315-89-2)
- 5-(2-Chloroethyl)-2-methylpyridine (CAS 805179-45-7)
- 4-Chloro-2-ethoxy-6-(trifluoromethyl)pyrimidine (CAS 932701-91-2)
- 5-Bromo-3-cyclopropyl-1H-pyrrolo[2,3-b]pyridine (CAS 1256818-80-0)
- 4-(Nitromethylene)tetrahydro-2H-pyran (CAS 105772-10-9)
- Methyl 4-methoxy-1H-pyrrolo[3,2-c]pyridine-2-carboxylate (CAS 871583-16-3)
- [1-(4-chlorophenyl)piperidin-3-yl]methanol (CAS 133749-00-5)
- Ethyl 2-amino-5-bromo-1H-indole-3-carboxylate (CAS 1242140-62-0)
- 1-(2-Morpholinyl)ethanol (CAS 1314908-48-9)
- Semaglutide impurity 96 (CAS CATO-C4X-222696)
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