| CAS No. | 947162-74-5 |
| Molecular Formula | C8H9BO2 |
| Molecular Weight | 147.97 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 1-Hydroxy-4-methyl-1,3-dihydrobenzo[c][1,2]oxaborole.
CATO supplies 1-Hydroxy-4-methyl-1,3-dihydrobenzo[c][1,2]oxaborole (CAS 947162-74-5), a certified reference material (molecular formula C8H9BO2, MW 147.97 g/mol) for analytical method development and quality control.
Structurally, 1-Hydroxy-4-methyl-1,3-dihydrobenzo[c][1,2]oxaborole (C8H9BO2) contains a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 4.5, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 147.97 g/mol, it falls into the low-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.
As a certified reference material (CRM), 1-Hydroxy-4-methyl-1,3-dihydrobenzo[c][1,2]oxaborole 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.
| Molecular Formula | C8H9BO2 |
| Molecular Weight | 147.97 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 4.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |