5-Fluoro-3-methylbenzo[c][1,2]oxaborol-1(3H)-ol CAS 905710-75-0
| CAS No. | 905710-75-0 |
| Molecular Formula | C8H8BFO2 |
| Molecular Weight | 165.96 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-Fluoro-3-methylbenzo[c][1,2]oxaborol-1(3H)-ol (CAS 905710-75-0), molecular formula C8H8BFO2 and molecular weight 165.96 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C8H8BFO2, 5-Fluoro-3-methylbenzo[c][1,2]oxaborol-1(3H)-ol contains a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 165.96 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.
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-Fluoro-3-methylbenzo[c][1,2]oxaborol-1(3H)-ol 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 | C8H8BFO2 |
| Molecular Weight | 165.96 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| 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.) | 1987 |
| Halogen Content | F-containing |
Related Fluoro Standards
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- (R)-5-Fluoro-3-methylbenzo[c][1,2]oxaborol-1(3H)-ol (CAS 2739832-10-9)
- 5-Fluoro-2-vinylbenzeneboronic acid (CAS 2446429-28-1)
- 6-fluoro-3,4-dihydro-1H-2,1-benzoxaborinin-1-ol (CAS 905710-55-6)
- 5-Fluoro-2-(trifluoromethyl)pyrimidine (CAS 100345-66-2)
- 2-Fluoro-4-(trifluoromethyl)pyrimidine (CAS 1093098-55-5)
- 3-Fluoro-6-(trifluoromethyl)pyridazine (CAS 1206524-32-4)
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Recommended Standards
- 2-(3-Fluorophenyl)-1,3,2-dioxaborolane (CAS 718642-08-1)
- Vildagliptin Impurity 61 (CAS 15791-08-9)
- 1-Iodo-1-propyne (CAS 624-66-8)
- (2-(1-Hydroxyethyl)phenyl)boronic acid (CAS 1004619-37-7)
- 4-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3,5-dibromobenzoic acid (CAS 2243507-04-0)
- 1-(3-Methylbenzyl)-1H-indole-3-carbonitrile (CAS 1226100-61-3)
- (S)-3-(4-Bromophenoxy)pyrrolidine hydrochloride (CAS 1187932-33-7)
- 1-(6,8-Difluoro-2-methylquinolin-4-yl)-3-(4-(dimethylamino)phenyl)urea (CAS 288150-92-5)
- 3-Oxo-3,4-dihydro-2H-benzo[b][1,4]oxazine-8-carbohydrazide (CAS 2168265-00-5)
- 4-((4-Chloro-3,5-dimethylphenoxy)methyl)benzoic acid (CAS 832739-35-2)
- 4H-5-Thia-1,6a-diaza-pentalene-2-carboxylic acid (CAS 1286753-94-3)
- 5-(chloromethyl)-3-[(3-chlorophenyl)methyl]-1,2,4-oxadiazole (CAS 1094351-83-3)
- 4,4,5,5-Tetramethyl-2-(6-methylnaphthalen-1-yl)-1,3,2-dioxaborolane (CAS 2408430-14-6)
- Semaglutide impurity 94 (CAS CATO-C4X-222694)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
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