5-(Hex-1-yn-1-yl)furan-2-carboxylic acid CAS 845266-30-0
| CAS No. | 845266-30-0 |
| Molecular Formula | C11H12O3 |
| Molecular Weight | 192.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
5-(Hex-1-yn-1-yl)furan-2-carboxylic acid (CAS 845266-30-0) is a high-purity analytical reference standard with the molecular formula C11H12O3 and a molecular weight of 192.21 g/mol.
Structurally, 5-(Hex-1-yn-1-yl)furan-2-carboxylic acid (C11H12O3) contains a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 192.21 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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 | C11H12O3 |
| Molecular Weight | 192.21 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
Recommended Standards
- 5-(4-Methoxyphenyl)pyrazolidin-3-one (CAS 90918-33-5)
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- (3-Methoxyoxetan-3-yl)methanol (CAS 1620017-02-8)
- 4-Fluoro-2-(trifluoromethyl)phenacyl bromide (CAS 537050-13-8)
- D-[Phe]6-Semaglutide (CAS CATO-CPTD788633)
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