Pyridine,4,4'-[5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1,3-phenylene]bis- CAS 1558024-18-2
| CAS No. | 1558024-18-2 |
| Molecular Formula | C22H23BN2O2 |
| Molecular Weight | 358.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of Pyridine,4,4'-[5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1,3-phenylene]bis- is closely related to a steroid core, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
CATO supplies Pyridine,4,4'-[5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1,3-phenylene]bis- (CAS 1558024-18-2), a certified reference material (molecular formula C22H23BN2O2, MW 358.24 g/mol) for analytical method development and quality control.
Based on its molecular formula C22H23BN2O2, Pyridine,4,4'-[5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1,3-phenylene]bis- contains a steroid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 358.24 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), Pyridine,4,4'-[5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1,3-phenylene]bis- 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 | C22H23BN2O2 |
| Molecular Weight | 358.24 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 12.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1992 |
| Nitrogen Atoms | 2 |
Related Pyridine Standards
- Pyridine, 3-bromo-2-[[1,2,3,6-tetrahydro-1-(phenylmethyl)-4-pyridinyl]methoxy]- (CAS 1254981-60-6)
- 2-[Pyridine-3-carbonyl-[2-(pyridine-3-carbonylamino)ethyl]amino]ethyl nitrate (CAS 1798026-96-6)
- 1,1'-(Pyridine-2,6-diyl)bis(4,4,4-trifluorobutane-1,3-dione) (CAS 216299-25-1)
- 4,4'-(Pyridine-2,6-diylbis(oxy))dibenzoic acid (CAS 117760-87-9)
- 5,5'-(Pyridine-3,5-diyl)diisophthalaldehyde (CAS 2459652-62-9)
- Pyridine-3,4-dicarbaldehyde (CAS 6390-08-5)
- Pyridine, 2-iodo-3-(phenylmethoxy)-6-(trifluoromethyl)- (CAS 2896759-43-4)
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Recommended Standards
- Abiraterone Trifluoro Pyridine (CAS 145100-50-1)
- 6-(4-Bromophenyl)-3-(piperidin-3-yl)-[1,2,4]triazolo[4,3-b]pyridazine (CAS 1706428-56-9)
- tert-Butyl 3-methyl-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indazole-1-carboxylate (CAS 1300582-45-9)
- 6-(3-Bromophenyl)-3-(piperidin-2-yl)-[1,2,4]triazolo[4,3-b]pyridazine (CAS 1706428-73-0)
- N,N-Dibutylbenzenesulfonamide (CAS 5339-59-3)
- 2-(((5,7-Dimethylimidazo[1,2-a]pyrimidin-2-yl)methyl)thio)acetic acid (CAS 380571-93-7)
- RMC6236 Intermediate 3 (CAS 3050725-59-9)
- 4'-Fluoro-5-hydroxy-4-(1,2,3,4-tetrahydroisoquinolin-1-yl)-1,6-dihydro-[1,1'-biphenyl]-3(2H)-one (CAS 338793-13-8)
- 2-(2-((tert-Butyldimethylsilyl)-oxy)ethoxy)acetaldehyde (CAS 396131-91-2)
- 4-Amino-3-chlorobenzenethiol (CAS 1122-40-3)
- 2-(Benzyloxy)-1-fluoro-4-nitrobenzene (CAS 433226-25-6)
- 5-Oxo-1-(pentan-2-yl)pyrrolidine-3-carboxylic acid (CAS 845546-22-7)
- {[5-(4-methylphenyl)thiophen-2-yl]methyl}(propan-2-yl)amine hydrochloride (CAS 1209619-87-3)
- Peptide Impurity 05 (CAS 2322924-83-2)
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