4-(2-Acetylthiophen-3-yl)benzaldehyde CAS 397872-09-2
| CAS No. | 397872-09-2 |
| Molecular Formula | C13H10O2S |
| Molecular Weight | 230.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-(2-Acetylthiophen-3-yl)benzaldehyde (CAS 397872-09-2), molecular formula C13H10O2S and molecular weight 230.28 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 4-(2-Acetylthiophen-3-yl)benzaldehyde (C13H10O2S) 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 9.0, corresponding to approximately 9 ring(s) or double-bond equivalent(s). With a molecular weight of 230.28 g/mol, it falls into the medium-molecular-weight range. 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.
As a certified reference material (CRM), 4-(2-Acetylthiophen-3-yl)benzaldehyde 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 | C13H10O2S |
| Molecular Weight | 230.28 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Sulfur Atoms | 1 |
Related Acetylthiophen Standards
- 3-(2-Acetylthiophen-3-yl)benzaldehyde (CAS 1432620-96-6)
- 3-(5-Acetylthiophen-2-yl)benzaldehyde (CAS 893735-33-6)
- 4-(5-Acetylthiophen-2-yl)benzaldehyde (CAS 893735-36-9)
- 4-(5-Acetylthiophen-2-yl)benzonitrile (CAS 15961-47-4)
- (2E)-2-(5-Acetylthiophen-2-yl)-3-(dimethylamino)prop-2-enenitrile (CAS 338954-36-2)
- (2E)-2-(5-Acetylthiophen-2-yl)-3-(furan-2-yl)prop-2-enenitrile (CAS 478261-04-0)
- 5-(5-Acetylthiophen-2-yl)nicotinic acid (CAS 1263376-82-4)
- 2-(5-Acetylthiophen-2-yl)-isonicotinic Acid (CAS 893723-57-4)
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