methyl 5-(chlorosulfonyl)-3-methylfuran-2-carboxylate CAS 1253225-69-2
| CAS No. | 1253225-69-2 |
| Molecular Formula | C7H7ClO5S |
| Molecular Weight | 238.65 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C7H7ClO5S, methyl 5-(chlorosulfonyl)-3-methylfuran-2-carboxylate contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 238.65 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.
CATO supplies methyl 5-(chlorosulfonyl)-3-methylfuran-2-carboxylate (CAS 1253225-69-2), a certified reference material (molecular formula C7H7ClO5S, MW 238.65 g/mol) for analytical method development and quality control.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C7H7ClO5S |
| Molecular Weight | 238.65 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, water |
| 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.) | 1990 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
Related methyl Standards
- 4-(Chlorosulfonyl)-2,5-dimethylfuran-3-carboxylic acid (CAS 1016689-45-4)
- Ethyl 2-(chlorosulfonyl)-1H-imidazole-5-carboxylate (CAS 1073187-02-6)
- methyl 3-[(chlorosulfonyl)methyl]-2-furoate (CAS 1114823-97-0)
- methyl 5-chlorosulfonyl-2-methyl-pyrazole-3-carboxylate (CAS 1122567-32-1)
- Methyl 5-(chlorosulfonyl)-1-methyl-1h-pyrazole-4-carboxylate (CAS 1151512-24-1)
- Ethyl 3-(chlorosulfonyl)-1H-pyrazole-4-carboxylate (CAS 115703-22-5)
- Methyl 5-(chlorosulfonyl)-1-methyl-1h-pyrazole-3-carboxylate (CAS 1245823-37-3)
- Methyl 5-((chlorosulfonyl)methyl)furan-2-carboxylate (CAS 1248127-92-5)
Recommended Standards
- Ethyl 5-(chlorosulfonyl)-1H-pyrazole-3-carboxylate (CAS 1297611-70-1)
- 2-Chloro-4-(3-fluorophenoxy)-6-methylpyrimidine (CAS 1247753-40-7)
- 1-(3-Chloro-4-fluorophenyl)-4-oxopyrrolidine-3-carbonitrile (CAS 1312137-30-6)
- 6-Chloro-N4-(3-fluorophenyl)pyrimidine-4,5-diamine (CAS 1341969-54-7)
- (S)-5,6,7,8-Tetrahydroquinolin-5-amine (CAS 502612-38-6)
- Methyl 3-ethynyl-5-fluorobenzoate (CAS 914944-24-4)
- tert-Butyl spiro[2.5]octan-6-ylcarbamate (CAS 1256256-52-6)
- 2-Methyl-1H-pyrrolo[2,3-c]pyridin-7-amine (CAS 1260384-07-3)
- (3-(4-(Trifluoromethyl)phenoxy)phenyl)methanaminehydrochloride (CAS 1185096-87-0)
- 3-(2-Methylpropyl)cyclopentan-1-amine (CAS 1537046-15-3)
- 2,4-Dinitrobenzoic Acid (CAS 610-30-0)
- Sodium (S)-pyrrolidine-2-carboxylate (CAS 15383-56-9)
- 6-(Bromomethyl)-2-methylbenzo[d]oxazole (CAS 136663-55-3)
- Semaglutide impurity 197 (CAS CATO-C4X-2226197)
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