3-Chloro-4-fluorobenzeneboronic acid pinacol ester, 97% CAS 635305-46-3
| CAS No. | 635305-46-3 |
| Molecular Formula | C12H15BClFO2 |
| Molecular Weight | 256.51 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 3-Chloro-4-fluorobenzeneboronic acid pinacol ester, 97%.
CATO supplies 3-Chloro-4-fluorobenzeneboronic acid pinacol ester, 97% (CAS 635305-46-3), a certified reference material (molecular formula C12H15BClFO2, MW 256.51 g/mol) for analytical method development and quality control.
Based on its molecular formula C12H15BClFO2, 3-Chloro-4-fluorobenzeneboronic acid pinacol ester, 97% contains a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 256.51 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 3-Chloro-4-fluorobenzeneboronic acid pinacol ester, 97% meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C12H15BClFO2 |
| Molecular Weight | 256.51 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; 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.) | 1985 |
| Halogen Content | F/Cl-containing |
Related Chloro Standards
- 5-Chloro-2-fluorophenylboronic Acid Pinacol Ester (CAS 1190129-77-1)
- 3-Chloro-2-fluorobenzeneboronic acid pinacol ester, 97% (CAS 1192025-01-6)
- 3-Chloro-5-fluorobenzeneboronic acid pinacol ester, 97% (CAS 1245524-02-0)
- 2-(2-Chloro-6-fluorophenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1599432-38-8)
- 2-Chloro-3-fluorobenzeneboronic acid pinacol ester, 97% (CAS 1688698-58-9)
- 2-(2-Chloro-4-fluorophenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 892845-64-6)
- 2-Chloro-5-fluorobenzeneboronic acid pinacol ester, 97% (CAS 870486-41-2)
- 4-Chloro-2-fluorobenzeneboronic acid pinacol ester, 97% (CAS 765917-27-9)
Recommended Standards
- 2,4,6-Trichloro-3,5-dimethoxyaniline (CAS 2072084-91-2)
- 4-Chloro-3-fluorobenzeneboronic acid pinacol ester, 97% (CAS 627525-83-1)
- Octathiocane (CAS 10544-50-0)
- (3R,7aS)-6-Methylidene-3-(Trichloromethyl)-Tetrahydropyrrolo[1,2-c][1,3]oxazol-1-One (CAS 1932627-86-5)
- (S)-5-Ethyl-N-(pyrrolidin-2-ylmethyl)pyrimidin-2-amine (CAS 475106-26-4)
- 4'-Chloro-5-fluoro-[1,1'-biphenyl]-2-carboxylic acid (CAS 1179253-24-7)
- (2S,3R,4S,5S)-tetrahydro-2H-pyran-2,3,4,5-tetraol (CAS 7296-56-2)
- Nickel tungsten oxide, 99.9% (metals basis excluding Co), Co (CAS 14177-51-6)
- 2-(3,4-Dimethylphenoxy)aniline (CAS 893754-03-5)
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- 2H-Naphtho[1,8-bc]furan-2-one (CAS 5247-85-8)
- Semaglutide impurity 289 (CAS CATO-C4X-2226289)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
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