(1-(Difluoromethyl)-1H-pyrazol-5-yl)boronic acid CAS 1537208-23-3
| CAS No. | 1537208-23-3 |
| Molecular Formula | C4H5BF2N2O2 |
| Molecular Weight | 161.90 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures (1-(Difluoromethyl)-1H-pyrazol-5-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.
CATO supplies (1-(Difluoromethyl)-1H-pyrazol-5-yl)boronic acid (CAS 1537208-23-3), a certified reference material (molecular formula C4H5BF2N2O2, MW 161.90 g/mol) for analytical method development and quality control.
Owing to an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution, (1-(Difluoromethyl)-1H-pyrazol-5-yl)boronic acid is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 161.90 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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 | C4H5BF2N2O2 |
| Molecular Weight | 161.90 g/mol |
| 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 | Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 2.5 |
| CAS Registry Year (est.) | 1992 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
Related Difluoromethyl Standards
- (1-(Difluoromethyl)-1H-pyrazol-4-yl)boronic acid (CAS 1312693-57-4)
- (1-(Difluoromethyl)-1H-pyrazol-3-yl)boronic acid (CAS 2243270-18-8)
- 6-(Difluoromethyl)pyrimidine-2,4(1H,3H)-dione (CAS 1706456-86-1)
- 5-(difluoromethyl)furan-2-carboxylic acid (CAS 189330-29-8)
- 1-(Difluoromethyl)-1H-imidazole-5-carboxylic acid (CAS 2219371-72-7)
- 1-(Difluoromethyl)-1H-pyrazole-5-carboxylic Acid (CAS 925199-97-9)
- 2-(Difluoromethyl)-6-hydroxypyrimidin-4(3H)-one (CAS 929903-21-9)
- 3-(difluoromethyl)furan-2-carboxylic acid (CAS 2248384-49-6)
Recommended Standards
- (3,5-Difluorophenyl)(Difluoro)Borane (CAS 263243-18-1)
- 14834-85-6 Dysprosium, isotope of mass 162 Dysprosium-162 162Dy (CAS 14834-85-6)
- 5-Bromo-7-nitroquinolin-8-ol (CAS 18472-04-3)
- (4,4-Difluorocyclohex-1-en-1-yl)boronic acid (CAS 1401165-15-8)
- 3-Benzyl-1-(2-phenoxyethyl)-1H-pyrazol-5(4H)-one (CAS 62270-65-9)
- 4-Chloro-N-phenylpyrimidin-2-amine (CAS 52057-92-8)
- 1-(Chloromethyl)-1-methylcyclopropane (CAS 10523-77-0)
- N-(4-Methoxybenzyl)-2-phenylquinoline-8-carboxamide (CAS 655222-70-1)
- Hydroxychloroquine EP Impurity C Oxalate (CAS 14142-64-4)
- 1-(4-Aminophenoxy)propan-2-ol (CAS 212835-42-2)
- 2-Chloro-6-methylpyridine-4-boronic acid pinacol ester, 97% (CAS 697739-22-3)
- 2-Oxo-2,3-dihydro-1H-benzo[d]imidazole-5-carbonyl chloride (CAS 182952-97-2)
- Br-Val-Ala-NH2-bicyclo[1.1.1]pentane-7-MAD-MDCPT (CAS 2857037-70-6)
- C-Peptide (human) (CAS 33017-11-7)
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