3-(5-Formylthiophen-3-yl)benzoic acid CAS 893737-11-6
| CAS No. | 893737-11-6 |
| Molecular Formula | C12H8O3S |
| Molecular Weight | 232.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C12H8O3S, 3-(5-Formylthiophen-3-yl)benzoic 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 232.26 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
3-(5-Formylthiophen-3-yl)benzoic acid (CAS 893737-11-6), molecular formula C12H8O3S and molecular weight 232.26 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.
As a certified reference material (CRM), 3-(5-Formylthiophen-3-yl)benzoic 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 | C12H8O3S |
| Molecular Weight | 232.26 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.) | 1987 |
| Sulfur Atoms | 1 |
Related Formylthiophen Standards
- 2-(5-Formylthiophen-2-yl)benzoic acid (CAS 886508-84-5)
- 3-(5-Formylthiophen-2-yl)benzoic acid (CAS 606970-74-5)
- 4-(5-Formylthiophen-2-yl)benzamide (CAS 1126635-15-1)
- 1-(5-Formylthiophen-2-yl)pyrrolidine-2-carboxamide (CAS 1339150-10-5)
- 5-(5-Formylthiophen-2-yl)furan-2-carboxylic acid (CAS 886509-87-1)
- N-(5-Formylthiophen-3-yl)-2-methylbenzamide (CAS 499202-69-6)
- 4-(5-Formylthiophen-2-yl)-2-methylphenol (CAS 1261976-11-7)
- Methyl 4-(5-formylthiophen-2-yl)benzoate (CAS 639816-37-8)
Recommended Standards
- 3-(Phenylsulfanyl)pyrazine-2-carboxylic acid (CAS 74002-60-1)
- 3-(3,5-Dimethyl-1,1-dioxo-2h-1,2,6-thiadiazin-4-yl)propanoic acid (CAS 871548-26-4)
- 3,4-Dimethoxybenzenesulfonohydrazide (CAS 23095-32-1)
- 2-Amino-3-(((4-amino-2-oxo-2,5-dihydro-1H-imidazol-5-yl)methyl)thio)propanoic acid (CAS 653600-65-8)
- 3-oxotetrahydropyran-4-carbonitrile (CAS 1368128-94-2)
- 4-Nitro-1-[(2e)-3-phenylprop-2-en-1-yl]-1h-pyrazole (CAS 1240590-93-5)
- 2-Bromo-5-nitrobenzonitrile (CAS 134604-07-2)
- 2-Chloro-N-(2-(5-methylfuran-2-yl)phenyl)acetamide (CAS 381681-57-8)
- 1-benzyl-4-tert-butylpiperidine (CAS 7576-09-2)
- 2-Chloro-6-methyl-7-(pentan-3-yl)-7H-pyrrolo[2,3-d]pyrimidine (CAS 959796-62-4)
- 4-[(butan-2-yl)sulfamoyl]benzoic acid (CAS 436091-85-9)
- 5-bromobenzofuran-7-carbaldehyde (CAS 170681-94-4)
- (S)-7-(tert-butyl)-1,2,3,4-tetrahydronaphthalen-1-ol (CAS 1568240-63-0)
- Des-[Gly]31-Semaglutide (CAS CATO-C4X-2226156)
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