2-Fluoro-4,5-dimethoxybenzene-1-sulfonyl chloride CAS 656806-43-8
| CAS No. | 656806-43-8 |
| Molecular Formula | C8H8ClFO4S |
| Molecular Weight | 254.66 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 2-Fluoro-4,5-dimethoxybenzene-1-sulfonyl chloride 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.
CATO supplies 2-Fluoro-4,5-dimethoxybenzene-1-sulfonyl chloride (CAS 656806-43-8), a certified reference material (molecular formula C8H8ClFO4S, MW 254.66 g/mol) for analytical method development and quality control.
Based on its molecular formula C8H8ClFO4S, 2-Fluoro-4,5-dimethoxybenzene-1-sulfonyl chloride contains a sulfone group, 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 254.66 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.
Physical & Chemical Properties
| Molecular Formula | C8H8ClFO4S |
| Molecular Weight | 254.66 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) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Halogen Content | F/Cl-containing |
| Sulfur Atoms | 1 |
Related Fluoro Standards
- 5-Fluoro-2,4-dimethoxybenzene-1-sulfonyl chloride (CAS 1258652-39-9)
- 6-Fluoro-2,3-dimethoxybenzenesulfonyl chloride (CAS 1780188-39-7)
- 5-Fluoro-2-(methoxymethoxy)benzenesulfonyl chloride (CAS 2126161-66-6)
- 2-Fluoro-6-(trichloromethoxy)benzonitrile (CAS 1404194-80-4)
- 2-Fluoro-4-(trichloromethoxy)benzonitrile (CAS 1404195-09-0)
- 6-Fluoro-3-(fluoromethyl)-2-iodopyridine (CAS 1803737-86-1)
- (R)-(2-Fluoro-4-(5-(hydroxymethyl)-2-oxooxazolidin-3-yl)phenyl)boronic acid (CAS 1700656-57-0)
- N-(5-fluoro-3-(3-hydroxypropyl)pyridin-2-yl)pivalamide (CAS 1228665-80-2)
Recommended Standards
- 1-(Benzyloxy)-2-chloro-4,5-difluorobenzene (CAS 2624417-62-3)
- 4-(Chlorodifluoromethyl)-6-methyl-2-phenylpyrimidine (CAS 306979-31-7)
- 1-(4-Chloro-3-(trifluoromethyl)phenyl)thiourea (CAS 207919-03-7)
- 4-Chloro-3,3'-difluorobenzhydrol (CAS 844683-62-1)
- tert-butyl N-[(1-methylazetidin-3-yl)methyl]carbamate (CAS 1193386-53-6)
- 2-((1H-Benzo[d]imidazol-2-yl)thio)nicotinic acid (CAS 93202-02-9)
- 4-(4-((1,4-Dioxa-8-azaspiro[4.5]Decan-8-yl)methyl)benzoyl)benzonitrile (CAS 898757-64-7)
- 2-(Azetidin-2-yl)-5,6,7,8-tetrahydroimidazo[1,2-a]pyridine (CAS 2228645-80-3)
- Gatifloxacin Impurity 10 (CAS 1335198-95-2)
- 4-((2,5-Dichlorobenzyl)oxy)piperidine hydrochloride (CAS 1289388-65-3)
- 3-Bromo-4-Methoxybenzonitrile (CAS 117572-79-9)
- 2-(4-Chloro-3-methylphenoxy)butanoyl chloride (CAS 86464-91-7)
- Ethyl 1-methyl-5-nitro-1H-pyrrole-2-carboxylate (CAS 1872-41-9)
- Neuropeptide W-23 (human) (CAS 383415-79-0)
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