Benzofuran-4-carbaldehyde CAS 95333-13-4
| CAS No. | 95333-13-4 |
| Molecular Formula | C9H6O2 |
| Molecular Weight | 146.14 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.
Benzofuran-4-carbaldehyde (CAS 95333-13-4), molecular formula C9H6O2 and molecular weight 146.14 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system, Benzofuran-4-carbaldehyde is typically off-white to pale yellow liquid. Its solid-state physicochemical attributes — including a molecular weight of 146.14 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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).
As a certified reference material (CRM), Benzofuran-4-carbaldehyde 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 | C9H6O2 |
| Molecular Weight | 146.14 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1984 |
Related Benzofuran Standards
- Benzofuran-3-carbaldehyde (CAS 4687-25-6)
- Benzofuran-7-carbaldehyde (CAS 95333-14-5)
- Benzofuran, 3,5-dimethyl- (CAS 10410-35-2)
- Benzofuran-4-ylmethanamine, 97% (CAS 121212-25-7)
- Benzofuran-7-ylmethanamine, 97% (CAS 936220-61-0)
- Benzofuran-2,3-dione (CAS 4732-72-3)
- Benzofuran-6-ylmethanol (CAS 1056942-24-5)
- (1-Benzofuran-4-yl)methanol (CAS 173470-67-2)
Recommended Standards
- 7-Hydroxy-1H-inden-1-one (CAS 537690-38-3)
- Conduritol A (CAS 526-87-4)
- 7H-Chromen-7-one (CAS 239783-62-1)
- Conduritol B (CAS 25348-64-5)
- N-(4,5-Dihydro-1H-imidazol-2-yl)-4,6-dimethylpyrimidin-2-amine (CAS 144501-98-4)
- 7,7-Bis(trifluoromethyl)-1,3,5-cycloheptatriene (CAS 714-82-9)
- Clofibric-d4 Acid (4-chlorophenyl-d4) (CAS 1184991-14-7)
- Methyl 5-((2-ethoxyphenyl)carbamoyl)-4-methyl-2-propionamidothiophene-3-carboxylate (CAS 335408-67-8)
- Erlotinib Impurity 66 (CAS CATO-C4X-106966)
- 2,3-Bis(4-chlorophenyl)tetrahydrofuran (CAS 83929-34-4)
- 2-(Cyclohexylamino)-5-(phenylamino)-2,5-cyclohexadiene-1,4-dione (CAS 68054-78-4)
- 3-(difluoromethyl)-4-methyl-4H-1,2,4-triazole (CAS 1461706-95-5)
- 3-(6-Phenylthiazolo[3,2-b][1,2,4]triazol-2-yl)propanoic acid (CAS 1437482-65-9)
- Semaglutide impurity 197 (CAS CATO-C4X-2226197)
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