(2-(Methylthio)-5-(trifluoromethoxy)phenyl)boronic acid CAS 957121-11-8
| CAS No. | 957121-11-8 |
| Molecular Formula | C8H8BF3O3S |
| Molecular Weight | 252.02 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
(2-(Methylthio)-5-(trifluoromethoxy)phenyl)boronic acid (CAS 957121-11-8) is a high-purity analytical reference standard with the molecular formula C8H8BF3O3S and a molecular weight of 252.02 g/mol.
Based on its molecular formula C8H8BF3O3S, (2-(Methylthio)-5-(trifluoromethoxy)phenyl)boronic acid contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 252.02 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
As a certified reference material (CRM), (2-(Methylthio)-5-(trifluoromethoxy)phenyl)boronic acid 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 | C8H8BF3O3S |
| Molecular Weight | 252.02 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 3.5 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | F-containing |
| Sulfur Atoms | 1 |
Related Methylthio Standards
- 2-(Methylthio)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrimidine (CAS 1310383-19-7)
- 2-(Methylthio)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrimidine (CAS 940284-18-4)
- 2-((Methylthio)methyl)-4-(trifluoromethyl)pyrimidine-5-carboxylic acid (CAS 1248413-11-7)
- 2-((Methylthio)methyl)-4-oxo-4-(p-tolyl)butanoic acid (CAS 143584-75-2)
- 3-Methyl-5-(2-(methylthio)-phenyl)-5-oxovaleric acid (CAS 951892-86-7)
- Ethyl 4-[2-(methylthio)phenyl]-4-oxobutanoate (CAS 951888-94-1)
- Methyl 5-(4-(methylthio)phenyl)-5-oxopentanoate (CAS 930116-88-4)
- (R)-5-((Methylthio)methyl)-3-phenyl-2-thioxoimidazolidin-4-one (CAS 65111-48-0)
Recommended Standards
- 2-Fluoro-5-iodo-4-methylphenol (CAS 1823935-35-8)
- (2-Fluoro-6-iodophenyl)methanol (CAS 911825-94-0)
- (3-Fluoro-5-iodophenyl)methanol (CAS 1261837-87-9)
- (4-Fluoro-2-iodophenyl)methanol (CAS 937649-01-9)
- 3-(6,6-Dimethyl-2,4-dioxo-3-azabicyclo[3.1.0]Hexan-3-yl)benzoic acid (CAS 1415719-70-8)
- Methyl (S)-3-Amino-3-phenylpropanoate (CAS 37088-66-7)
- Methyl 2-ethoxy-5-iodonicotinate (CAS 335078-24-5)
- 3-Bromo-5-hydroxy-2-methylnaphthalene-1,4-dione (CAS 113683-19-5)
- 3-((2-Iodophenyl)amino)-5-(2-methylpropyl)cyclohex-2-en-1-one (CAS 1024523-17-8)
- 2-Oxa-7-azaspiro[3.5]Nonane acetate (CAS 1313369-52-6)
- tert-Butyl (3-(5-(2,5-difluorophenyl)-2-phenyl-2,3-dihydro-1,3,4-thiadiazol-2-yl)propyl)carbamate (CAS 913731-98-3)
- (S)-2-(((Benzyloxy)carbonyl)(methyl)amino)-3-(4-hydroxyphenyl)propanoic acid 86099-14-1 (CAS 86099-14-1)
- [4-(propan-2-yloxy)-2-(trifluoromethyl)phenyl]methanamine (CAS 1152574-77-0)
- Semaglutide impurity 227 (CAS CATO-C4X-2226227)
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