3-(5-Bromobenzofuran-2-yl)-1H-pyrazole CAS 666822-10-2
| CAS No. | 666822-10-2 |
| Molecular Formula | C11H7BrN2O |
| Molecular Weight | 263.09 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 3-(5-Bromobenzofuran-2-yl)-1H-pyrazole (CAS 666822-10-2), a certified reference material (molecular formula C11H7BrN2O, MW 263.09 g/mol) for analytical method development and quality control.
Structurally, 3-(5-Bromobenzofuran-2-yl)-1H-pyrazole (C11H7BrN2O) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, bromine substitution. The molecule exhibits a degree of unsaturation (DBE) of 9.0, corresponding to approximately 9 ring(s) or double-bond equivalent(s). With a molecular weight of 263.09 g/mol, it falls into the medium-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.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C11H7BrN2O |
| Molecular Weight | 263.09 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, 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 |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
Related Bromobenzofuran Standards
- methyl 6-bromobenzofuran-3-carboxylate (CAS 1824577-09-4)
- methyl 5-bromobenzofuran-7-carboxylate (CAS 99517-46-1)
- methyl 6-bromobenzofuran-4-carboxylate (CAS 2098546-92-8)
- 3-(5-Bromobenzofuran-2-yl)-3-oxopropanenitrile (CAS 1135283-25-8)
- 1-(7-Bromobenzofuran-2-yl)-2-methylpropan-1-one (CAS 1250768-99-0)
- 1-(5-Bromobenzofuran-2-yl)-2-methylpropan-1-amine (CAS 1038710-35-8)
- 1-(5-Bromobenzofuran-2-yl)butan-1-amine (CAS 1270520-67-6)
- 1-(7-Bromobenzofuran-2-yl)butan-1-amine (CAS 1494947-85-1)
Recommended Standards
- 2-Bromo-6-fluoro-5-methoxythiazolo[5,4-b]pyridine (CAS 2173068-99-8)
- 3-Bromo-2-(furan-2-yl)imidazo[1,2-a]pyridine (CAS 37643-96-2)
- 2-Amino-5-(4-bromophenyl)furan-3-carbonitrile (CAS 26454-86-4)
- 4-Bromo-6-methoxyquinoline-3-carbonitrile (CAS 872714-52-8)
- 5-Chloro-1-(2,6-dichlorobenzyl)-N-methyl-6-oxo-1,6-dihydropyridine-3-carboxamide (CAS 339009-08-4)
- 1,4,5,6-Tetrahydropyrimidine-5-carboxylic acid (CAS 150180-33-9)
- 10,10'-Oxybis(phenoxarsine) (CAS 58-36-6)
- Santicizer® 261 (CAS 68515-40-2)
- Ornidazole Impurity 41 (CAS CATO-C4X-133141)
- 3-[(4-bromophenyl)methyl]-5-(pyrrolidin-2-yl)-1,2,4-oxadiazole hydrochloride (CAS 1311314-80-3)
- (1-(1-Methoxypropan-2-yl)-3-methyl-1h-pyrazol-4-yl)methanamine (CAS 1344154-31-9)
- 3-(1-Isopropyl-1h-1,2,4-triazol-5-yl)propan-1-ol (CAS 1489705-78-3)
- tert-Butyl 3-cyano-2-oxo-1,2,7,8-tetrahydro-1,6-naphthyridine-6(5H)-carboxylate (CAS 1190440-61-9)
- Semaglutide impurity 61 (CAS CATO-C4X-222661)
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