Methyl 2,6-difluoro-3-(methylsulfonyl)benzoate CAS 1820938-75-7
| CAS No. | 1820938-75-7 |
| Molecular Formula | C9H8F2O4S |
| Molecular Weight | 250.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), Methyl 2,6-difluoro-3-(methylsulfonyl)benzoate 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.
Methyl 2,6-difluoro-3-(methylsulfonyl)benzoate (CAS 1820938-75-7) is a high-purity analytical reference standard with the molecular formula C9H8F2O4S and a molecular weight of 250.22 g/mol.
Owing to a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution, an aromatic ring system, Methyl 2,6-difluoro-3-(methylsulfonyl)benzoate is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 250.22 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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.
Physical & Chemical Properties
| Molecular Formula | C9H8F2O4S |
| Molecular Weight | 250.22 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Halogen Content | F-containing |
| Sulfur Atoms | 1 |
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Recommended Standards
- 4-[5-Ethyl-3-(trifluoromethyl)-1H-pyrazol-1-yl]butanoic acid (CAS 1855890-02-6)
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- 2-[5-Ethyl-3-(trifluoromethyl)-1H-pyrazol-1-yl]butanoic acid (CAS 1855891-10-9)
- 2-(3,4-Difluorophenyl)-1-(2-fluorophenyl)ethan-1-one (CAS 1519952-50-1)
- tert-butyl N-[(1R)-2-oxocyclopentyl]carbamate (CAS 1895382-85-0)
- prop-2-ynyl N-[2-(2,6-dioxo-3-piperidyl)-1,3-dioxo-isoindolin-4-yl]carbamate (CAS 2408797-69-1)
- (6-Fluorobenzo[b]thiophen-2-yl)methanol (CAS 212078-70-1)
- 2-(3,3-Difluoropropyl)-2,3-dihydro-1H-isoindole-1,3-dione (CAS 1265341-16-9)
- 3-(4-Bromo-n-methylbenzamido)-2-methylpropanoic acid (CAS 1271066-57-9)
- Hexamethylenetetramine, Compound With Allyl Iodide (CAS 36895-62-2)
- 5-(4-Chlorophenyl)-1,3,4-oxadiazol-2-amine hydrochloride (CAS 5711-58-0)
- (Z)-Ethyl 2-((3-chlorophenyl)amino)-5-(furan-2-ylmethylene)-4-oxo-4,5-dihydrothiophene-3-carboxylate (CAS 6089-97-0)
- Ethyl 2-(3-methylthiophen-2-yl)-2-oxoacetate (CAS 32977-83-6)
- Semaglutide Impurity 140 (CAS CATO-C4X-2226140)
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