Allyl furan-2-carboxylate CAS 4208-49-5
| CAS No. | 4208-49-5 |
| Molecular Formula | C8H8O3 |
| Molecular Weight | 152.15 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.
Allyl furan-2-carboxylate (CAS 4208-49-5), molecular formula C8H8O3 and molecular weight 152.15 g/mol, is a CATO reference standard with documented purity and traceability.
Allyl furan-2-carboxylate (C8H8O3) contains a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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).
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 | C8H8O3 |
| Molecular Weight | 152.15 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
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Recommended Standards
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- 1,6-Dimethyl-3-phenylquinoxalin-2(1H)-one (CAS 869312-73-2)
- n-(2-Fluorophenethyl)-2,2-dimethylpropan-1-amine (CAS 1226419-45-9)
- 2-((5-Hydroxy-1H-indol-3-yl)methyl)thiazolidine-4-carboxylic acid (CAS 121514-30-5)
- 5-Chloro-4-isothiocyanatobenzo[c][1,2,5]thiadiazole (CAS 1467836-46-9)
- 3-(Pyrimidin-5-yl)propan-1-amine (CAS 112104-02-6)
- 1-Phenyl-2-(pyrrolidin-1-yl)ethan-1-ol (CAS 5407-61-4)
- (5-Isobutyl-[1,2,4]oxadiazol-3-yl)-methanol (CAS 915920-18-2)
- D-[Ser]8-Semaglutide (CAS CATO-CPTD788632)
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