(5-Bromo-2-(1H-pyrazol-1-yl)phenyl)boronic acid CAS 2225169-74-2
| CAS No. | 2225169-74-2 |
| Molecular Formula | C9H8BBrN2O2 |
| Molecular Weight | 266.89 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including (5-Bromo-2-(1H-pyrazol-1-yl)phenyl)boronic acid.
CATO supplies (5-Bromo-2-(1H-pyrazol-1-yl)phenyl)boronic acid (CAS 2225169-74-2), a certified reference material (molecular formula C9H8BBrN2O2, MW 266.89 g/mol) for analytical method development and quality control.
Owing to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, bromine substitution, (5-Bromo-2-(1H-pyrazol-1-yl)phenyl)boronic acid is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 266.89 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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.
CATO manufactures (5-Bromo-2-(1H-pyrazol-1-yl)phenyl)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 | C9H8BBrN2O2 |
| Molecular Weight | 266.89 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 6.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1998 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
Related Bromo Standards
- (2-Bromo-4-(1H-imidazol-1-yl)phenyl)boronic acid (CAS 2225178-39-0)
- (2-Bromo-4-(1H-pyrazol-1-yl)phenyl)boronic acid (CAS 2225179-49-5)
- (3-Bromo-4-(1H-imidazol-1-yl)phenyl)boronic acid (CAS 2225181-10-0)
- (3-Bromo-4-(1H-pyrazol-1-yl)phenyl)boronic acid (CAS 2225177-78-4)
- (4-Bromo-2-(1H-imidazol-1-yl)phenyl)boronic acid (CAS 2225169-75-3)
- (4-Bromo-2-(1H-pyrazol-1-yl)phenyl)boronic acid (CAS 2225173-93-1)
- (5-Bromo-2-(1H-imidazol-1-yl)phenyl)boronic acid (CAS 2225173-63-5)
- (5-Bromo-6-(1H-pyrrol-1-yl)pyridin-3-yl)boronic acid (CAS 2225175-19-7)
Recommended Standards
- 3-Bromo-5,7-dichloro-pyrazolo[1,5-α]pyrimidine (CAS 114040-06-1)
- 7-Bromo-2,4-dichloro-5h-pyrrolo[3,2-d]pyrimidine (CAS 1311275-27-0)
- 6-bromo-3,5-dichloro-1,2-benzoxazole (CAS 1352894-15-5)
- 3-Bromo-6,8-dichloroimidazo[1,2-a]pyrazine (CAS 1379351-34-4)
- Zinc(II) oxalate dihydrate (CAS 4255-07-6)
- 4-Chloro-N-(2,4-dichloro-5-isopropoxyphenyl)benzenesulfonamide (CAS 338961-70-9)
- sodium 1,3-thiazole-5-carboxylate (CAS 26862-80-6)
- 857243-06-2 2-(Piperidin-1-yl)butan-1-amine DTXSID80588553 (CAS 857243-06-2)
- 2-((2-(Pyrrolidin-1-yl)ethyl)thio)nicotinic acid (CAS 1042779-48-5)
- 8-Aminoquinoxaline-5-carbonitrile (CAS 573758-47-1)
- 1-(Isoindolin-5-yl)ethanone (CAS 905274-46-6)
- 3-[(1E)-1-Ethoxy-2-(1H-1,2,4-triazol-1-yl)ethylidene]-1-phenylurea (CAS 338418-53-4)
- Acetyl methyl epithelanthate (CAS 65023-20-3)
- 59880-97-6 Chemotactic peptide F-Met-Leu-Phe L-Phenylalanine, N-(N-(N-formyl-L-methionyl)-L-leucyl)- N-Formyl-L-methionyl-L-leucyl-L-phenylalanine N-Formyl-Met-Leu-Phe N-Formylmethionine leucyl-phenylalanine fMLF fMLP (misnomer but widely used) (CAS 59880-97-6)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com