2,5-Dimethyl-4-formylphenylboronic acid pinacol ester CAS 1256970-23-6
| CAS No. | 1256970-23-6 |
| Molecular Formula | C15H21BO3 |
| Molecular Weight | 260.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 2,5-Dimethyl-4-formylphenylboronic acid pinacol ester 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.
2,5-Dimethyl-4-formylphenylboronic acid pinacol ester (CAS 1256970-23-6), molecular formula C15H21BO3 and molecular weight 260.14 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C15H21BO3, 2,5-Dimethyl-4-formylphenylboronic acid pinacol ester contains a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 260.14 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C15H21BO3 |
| Molecular Weight | 260.14 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 5.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
Related Dimethyl Standards
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Recommended Standards
- 1-(4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)propan-1-one (CAS 1256359-22-4)
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- 2-{6,8-dichloroimidazo[1,2-a]pyridin-2-yl}ethanethioamide (CAS 1240526-55-9)
- 2-Ethyl-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzaldehyde (CAS 1260023-43-5)
- tert-Butyl 3-bromo-2-(bromomethyl)propanoate (CAS 75509-27-2)
- Methyl 5,7-dichloro-1-oxo-1,2,3,4-tetrahydroisoquinoline-6-carboxylate (CAS 851785-48-3)
- n-(1-Cyclohexylethyl)-2,2,2-trifluoroethan-1-amine (CAS 1157291-30-9)
- 2-(3-((N-(4-(1H-pyrazol-1-yl)benzyl)pyridine-3-sulfonamido)methyl)phenoxy)acetic acid (CAS 752187-80-7)
- 2-Cyclopentylcyclopropane-1-carboxylic acid (CAS 1455907-98-8)
- 4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)isobenzofuran-1,3-dione (CAS 1637547-42-2)
- Thalidomide-NH-C4-NH2 (TFA) (CAS 2093387-50-7)
- (1-Methylpiperidin-4-yl)methanamine dihydrochloride (CAS 1187582-53-1)
- 6-Chloro-5-methylquinazolin-4(3H)-one (CAS 860193-32-4)
- Insulin Pork(≥27 USP units/mg) (CAS 12584-58-6)
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