| CAS No. | 104376-24-1 |
| Molecular Formula | C5H11BO2 |
| Molecular Weight | 113.95 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
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.
Pent-1-en-1-ylboronic acid (CAS 104376-24-1), molecular formula C5H11BO2 and molecular weight 113.95 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, Pent-1-en-1-ylboronic acid (C5H11BO2) 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 113.95 g/mol, it falls into the low-molecular-weight range.
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.
| Molecular Formula | C5H11BO2 |
| Molecular Weight | 113.95 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Stable under recommended storage conditions |
| Degree of Unsaturation (DBE) | 0.5 |
| CAS Registry Year (est.) | 1986 |