3,5-Difluoro-4-(trimethylsilyl)benzoic acid CAS 872545-56-7
| CAS No. | 872545-56-7 |
| Molecular Formula | C10H12F2O2Si |
| Molecular Weight | 230.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 3,5-Difluoro-4-(trimethylsilyl)benzoic acid is closely related to a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution, an aromatic ring system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
CATO supplies 3,5-Difluoro-4-(trimethylsilyl)benzoic acid (CAS 872545-56-7), a certified reference material (molecular formula C10H12F2O2Si, MW 230.28 g/mol) for analytical method development and quality control.
Structurally, 3,5-Difluoro-4-(trimethylsilyl)benzoic acid (C10H12F2O2Si) contains a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 230.28 g/mol, it falls into the medium-molecular-weight range. 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.
As a certified reference material (CRM), 3,5-Difluoro-4-(trimethylsilyl)benzoic 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 | C10H12F2O2Si |
| Molecular Weight | 230.28 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) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | F-containing |
Related Difluoro Standards
- 2,3-Difluoro-4-(trimethylsilyl)benzoic acid (CAS 518070-16-1)
- 2,3-Difluoro-5-(trimethylsilyl)benzoic acid (CAS 518070-18-3)
- 3,3-difluoro-2,2-dimethylpentyl methanesulfonate (CAS 2031268-99-0)
- (3,4-Difluoro-5-(pentyloxy)phenyl)methanol (CAS 1443306-00-0)
- 1-(3,4-Difluoro-5-isobutoxyphenyl)ethanol (CAS 1443310-04-0)
- (3,4-Difluoro-5-(isopentyloxy)phenyl)methanol (CAS 1443329-88-1)
- 2-(3,4-Difluoro-5-methoxyphenyl)-3-methylbutan-2-ol (CAS 1443333-48-9)
- 1-(3,5-Difluoro-4-isobutoxyphenyl)ethan-1-ol (CAS 1443335-10-1)
Recommended Standards
- 3,5-Diamino-2,4,6-trimethylbenzenesulfonic acid (CAS 32432-55-6)
- 3,5-Dimethyl-3'-fluorobenzhydrol (CAS 844683-69-8)
- 3-(5-Phenylthiophen-2-yl)acrylic acid (CAS 29488-42-4)
- 3,5-Dimethyl-4'-fluorobenzhydrol (CAS 844856-33-3)
- 1-(3-BROMO-5-FLUOROPHENYL)PIPERIDIN-4-ONE (CAS 1296224-16-2)
- Isopropyl methyl carbonate (CAS 51729-83-0)
- 2-(4-Methoxyphenyl)-piperazine acetate (CAS 1187931-20-9)
- N-(2-((4-bromophenyl)sulfonyl)ethyl)-4-fluorobenzamide (CAS 338955-72-9)
- 4-Nitrophenyl Diphenylamine (CAS 4316-57-8)
- 1-(2,5-Dichlorophenyl)-3-(ethoxycarbonyl)-4,5-dihydro-1h-pyrazole-5-carboxylic acid (CAS 1264041-98-6)
- 4-Chloro-2-(pyrazin-2-yl)-5,6,7,8-tetrahydrobenzo[4,5]thieno[2,3-d]pyrimidine (CAS 1080821-72-2)
- endo-8-methyl-8-azabicyclo[3.2.1]octane-3-thiol (CAS 228573-90-8)
- 4-Benzoyl-1-[(3-methoxyphenyl)methyl]-3-methyl-1,2,3,4-tetrahydroquinoxalin-2-one (CAS 317822-21-2)
- Tirzepatide Impurity 36 (CAS CATO-C4X-324036)
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