(5-Chloro-2-cyclopropylpyridin-3-yl)boronic acid CAS 2225179-43-9
| CAS No. | 2225179-43-9 |
| Molecular Formula | C8H9BClNO2 |
| Molecular Weight | 197.43 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, (5-Chloro-2-cyclopropylpyridin-3-yl)boronic acid (C8H9BClNO2) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 4.5, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 197.43 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.
CATO supplies (5-Chloro-2-cyclopropylpyridin-3-yl)boronic acid (CAS 2225179-43-9), a certified reference material (molecular formula C8H9BClNO2, MW 197.43 g/mol) for analytical method development and quality control.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures (5-Chloro-2-cyclopropylpyridin-3-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 | C8H9BClNO2 |
| Molecular Weight | 197.43 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 tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 4.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1998 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Chloro Standards
- (4-Chloro-5-cyclopropylpyridin-3-yl)boronic acid (CAS 2225155-46-2)
- 2-Chloro-5-cyclopropylpyridine-3-boronic acid (CAS 2121511-56-4)
- 2-chloro-4-(dichloromethyl)pyrimidine (CAS 1803566-44-0)
- 4-Chloro-1-(difluoromethyl)-3-nitro-1h-pyrazole (CAS 1245773-01-6)
- 3-Chloro-6-hydroxy-4-(trifluoromethyl)pyridine (CAS 109919-31-5)
- 3-Chloro-2,5,6-trifluoro-4-methoxypyridine (CAS 1184172-33-5)
- 2-Chloro-5-(trifluoromethyl)pyridin-3-ol (CAS 1196153-98-6)
- 4-Chloro-2-hydroxy-6-(trifluoromethyl)pyridine (CAS 1196154-31-0)
Recommended Standards
- 5-Bromo-3-(chloromethyl)-1,2,4-oxadiazole (CAS 155742-36-2)
- 4,5-Dichloro-6-(chloromethyl)-pyrimidine (CAS 105708-06-3)
- 3-Bromo-5-(chloromethyl)-1,2,4-oxadiazole (CAS 121562-12-7)
- 4,6-Dichloro-5-(chloromethyl)pyrimidine (CAS 1260790-15-5)
- Cyclopentyl(2,4,5-trifluorophenyl)methanone (CAS 1443321-14-9)
- 2-Cyclopropyl-2-hydroxyacetic Acid (CAS 5617-84-5)
- 7-(Methylamino)isoquinolin-1-ol (CAS 1374651-52-1)
- P,P′-[5′-(4-Phosphonophenyl)[1,1′:3′,1′′-terphenyl]-4,4′′-diyl]bis[phosphonic acid] (CAS 1045720-71-5)
- 5-Amino-1H-1,2,3-triazole-4-carboxamide (CAS 4342-07-8)
- 2-Phenyl-5,7-dihydrothieno[3,4-d]pyrimidin-4-ol (CAS 5719-24-4)
- 2-Bromo-N-(3,5-difluorobenzyl)acetamide (CAS 2096986-68-2)
- 1-(4-Aminophenyl)-n,n-dimethyl-methanesulfonamide (CAS 88918-88-1)
- 2’,4’,6’-Trimethoxy-3’-propylacetophenone (CAS 916916-57-9)
- Des-Gln19-Tirzepatide (CAS CATO-CPTD788954)
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