(1-Trityl-1H-pyrazol-4-yl)boronic acid CAS 207307-51-5
| CAS No. | 207307-51-5 |
| Molecular Formula | C22H19BN2O2 |
| Molecular Weight | 354.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
(1-Trityl-1H-pyrazol-4-yl)boronic acid (CAS 207307-51-5), molecular formula C22H19BN2O2 and molecular weight 354.21 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, (1-Trityl-1H-pyrazol-4-yl)boronic acid (C22H19BN2O2) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 14.5, corresponding to approximately 14 ring(s) or double-bond equivalent(s). With a molecular weight of 354.21 g/mol, it falls into the moderately-high-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
CATO manufactures (1-Trityl-1H-pyrazol-4-yl)boronic acid under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C22H19BN2O2 |
| Molecular Weight | 354.21 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) | 14.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2016 |
| Nitrogen Atoms | 2 |
Related Trityl Standards
- (1-Trityl-1H-imidazol-4-yl)boronic acid (CAS 1900755-49-8)
- (5-Methyl-1-trityl-1H-imidazol-4-yl)methanol (CAS 106147-84-6)
- 2-(1-Trityl-1H-imidazol-4-yl)ethan-1-ol (CAS 127607-62-9)
- (4-Methyl-1-trityl-1H-imidazol-5-yl)methanol (CAS 129486-84-6)
- 2-(1-Trityl-1H-pyrazol-3-yl)-ethanol (CAS 180207-32-3)
- 1-(1-Trityl-1H-imidazol-4-yl)ethan-1-ol (CAS 62256-50-2)
- 2-(1-Trityl-1H-imidazol-4-yl)ethanamine (CAS 195053-92-0)
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Recommended Standards
- ((2R,3S,4R,5R)-3,4-dihydroxy-5-(5-methoxy-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)tetrahydrofuran-2-yl)methyl dihydrogen phosphate (CAS 36908-07-3)
- (2-Iodophenyl)(2-(methylthio)phenyl)methanone (CAS 890098-51-8)
- (3-Iodophenyl)(2-(methylthio)phenyl)methanone (CAS 890098-53-0)
- 1-((2-Bromo-4,5-difluorophenyl)sulfonyl)-4-methylpiperidine (CAS 1704067-51-5)
- Thioridazine (CAS 50-52-2)
- n-(5-Hydroxypentan-2-yl)benzo[d][1,3]dioxole-5-carboxamide (CAS 1394688-12-0)
- 3-Bromo-4-chloropyridine-5-methanol hydrochloride (CAS 2121514-38-1)
- 3-[3-(2-Dimethylaminoethyl)-1H-indol-5-yl]-N-(4-methoxybenzyl)acrylamide, 98% (CAS 185259-85-2)
- (S)-2-Amino-5-ethoxy-5-oxopentanoic acid hydrochloride (CAS 73270-47-0)
- (S)-(4-Chlorophenyl)(cyclopropyl)methanamine hydrochloride (CAS 1310923-26-2)
- Paraffin (Yellow soft) CRS (CAS 64771-71-7)
- Estrone Impurity 8 (CAS CATO-C4X-21058)
- 3-[(methylamino)methyl]furan-2-carboxylic acid (CAS 1696871-43-8)
- Semaglutide impurity 75 (CAS CATO-C4X-222675)
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