| CAS No. | 1093881-55-0 |
| Molecular Formula | C5H11BO3 |
| Molecular Weight | 129.95 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
The occurrence of (E)-(3-Hydroxy-3-methylbut-1-en-1-yl)boronic acid is closely related to a carboxylic acid group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
(E)-(3-Hydroxy-3-methylbut-1-en-1-yl)boronic acid (CAS 1093881-55-0) is a high-purity analytical reference standard with the molecular formula C5H11BO3 and a molecular weight of 129.95 g/mol.
Structurally, (E)-(3-Hydroxy-3-methylbut-1-en-1-yl)boronic acid (C5H11BO3) contains a carboxylic acid group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 0.5, corresponding to approximately 0 ring(s) or double-bond equivalent(s). With a molecular weight of 129.95 g/mol, it falls into the low-molecular-weight range.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
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.
| Molecular Formula | C5H11BO3 |
| Molecular Weight | 129.95 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 0.5 |
| CAS Registry Year (est.) | 1989 |