2-(2-(Chlorosulfonyl)-6,7-dihydro-4h-thieno[3,2-c]pyran-4-yl)acetic acid CAS 1258640-16-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1258640-16-2 |
| Molecular Formula | C9H9ClO5S2 |
| Molecular Weight | 296.75 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-(2-(Chlorosulfonyl)-6,7-dihydro-4h-thieno[3,2-c]pyran-4-yl)acetic acid (CAS 1258640-16-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C9H9ClO5S2. Molecular weight: 296.75 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C9H9ClO5S2 |
| Molecular Weight | 296.75 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.) | 1990 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 2 |
Related Chlorosulfonyl Standards
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- 4'-(Chlorosulfonyl)-[1,1'-biphenyl]-3-carboxylic acid (CAS 1417793-58-8)
- 4'-(Chlorosulfonyl)-[1,1'-biphenyl]-4-carboxylic acid (CAS 340759-68-4)
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Recommended Standards
- tert-Butyl 3-(chloromethyl)-5-methoxy-1H-pyrrolo[2,3-b]pyridine-1-carboxylate (CAS 1234616-56-8)
- Benzyl (1-(2-chloroacetyl)pyrrolidin-3-yl)carbamate (CAS 1353946-20-9)
- tert-Butyl 7-chloro-2-oxo-1,2,3,5-tetrahydro-4H-benzo[e][1,4]diazepine-4-carboxylate (CAS 1226808-00-9)
- Methyl 2-(methyl(phenyl)amino)-2-oxoacetate (CAS 137409-99-5)
- N'-(3-chloro-5-(trifluoromethyl)pyridin-2-yl)-N'-methyl-2,3-diphenylisoxazolidine-5-carbohydrazide (CAS 339102-24-8)
- (S)-Benzyl (1-(2-chloroacetyl)pyrrolidin-3-yl)(isopropyl)carbamate (CAS 1353993-40-4)
- 1-(2,5-Dimethylbenzyl)-1H-1,2,3-triazole-4-carbaldehyde (CAS 1494826-92-4)
- Ethyl (1R,5S,6S)-rel-3-azabicyclo[3.1.0]hexane-6-carboxylate (CAS 174456-77-0)
- 5-Amino-2,4-difluorobenzamide (CAS 960235-10-3)
- Peptide 432 (CAS CATO-CPTD788432)
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