2-Isopropyl-5-methyl-5-phenoxy-1,3,2-dioxaborinane CAS 89561-49-9
| CAS No. | 89561-49-9 |
| Molecular Formula | C13H19BO3 |
| Molecular Weight | 234.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Isopropyl-5-methyl-5-phenoxy-1,3,2-dioxaborinane (CAS 89561-49-9) is a high-purity analytical reference standard with the molecular formula C13H19BO3 and a molecular weight of 234.10 g/mol.
Structurally, 2-Isopropyl-5-methyl-5-phenoxy-1,3,2-dioxaborinane (C13H19BO3) 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 234.10 g/mol, it falls into the medium-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), 2-Isopropyl-5-methyl-5-phenoxy-1,3,2-dioxaborinane 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.
Physical & Chemical Properties
| Molecular Formula | C13H19BO3 |
| Molecular Weight | 234.10 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 4.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1982 |
Related Isopropyl Standards
- Isopropyl 2,6-dichloroisonicotinate (CAS 99055-12-6)
- Isopropyl 4,5-dichloropicolinate (CAS 907545-66-8)
- 2-Isopropyl-7-methoxypyrazolo[1,5-a]pyridine-3-boronic Acid (CAS 1068160-64-4)
- 4-Isopropyl-2-(trifluoromethyl)pyrimidine-5-carboxylic acid (CAS 914201-22-2)
- Isopropyl Citrate (mixture) (CAS 101396-15-0)
- 2-Isopropyl-5-nitroisoindoline-1,3-dione (CAS 58683-63-9)
- 2-Isopropyl-7-methoxypyrazolo[1,5-a]pyridine-4-carboxylic acid (CAS 1009601-79-9)
- 5-Isopropyl-3,6-dimethylisoxazolo[5,4-b]pyridine-4-carboxylic acid (CAS 1352506-09-2)
Recommended Standards
- 2-Hydroxy-4-methylphenylboronic Acid Pinacol Ester (CAS 517864-13-0)
- 2-Methyl-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenol (CAS 351457-33-5)
- 2-FORMYLBENZENEBORONIC ACID PINACOL ESTER (CAS 2304635-60-5)
- 2-Methyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenol (CAS 627906-52-9)
- 2-Fluoro-4,5-dihydroxybenzaldehyde (CAS 71144-36-0)
- 8-Fluoro-3,4-dihydro-2H-benzo[b][1,4]oxazine hydrochloride (CAS 1210389-26-6)
- 3-Amino-n'-hydroxypropanimidamide (CAS 16750-43-9)
- Cefotaxime Impurity 62 (CAS CATO-C4X-120162)
- Methyl Gallate (CAS 99-24-1)
- (3aS,4R,9bR)-4-(4-Hydroxyphenyl)-1,2,3,3a,4,9b-hexahydrocyclopenta[c]chromen-8-ol (CAS 533884-09-2)
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- Methyl 4-(2-(3-formyl-1H-indol-1-yl)acetamido)benzoate (CAS 592546-51-5)
- 5-(Pyrrolidin-1-ylmethyl)isoxazole-3-carbonyl chloride (CAS 1242982-43-9)
- Des-Leu26-Tirzepatide (CAS CATO-CPTD788947)
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