2-Chloro-5-methanesulfonylthiophene-3-sulfonyl chloride CAS 887350-82-5
| CAS No. | 887350-82-5 |
| Molecular Formula | C5H4Cl2O4S3 |
| Molecular Weight | 295.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 2-Chloro-5-methanesulfonylthiophene-3-sulfonyl chloride.
CATO supplies 2-Chloro-5-methanesulfonylthiophene-3-sulfonyl chloride (CAS 887350-82-5), a certified reference material (molecular formula C5H4Cl2O4S3, MW 295.18 g/mol) for analytical method development and quality control.
Structurally, 2-Chloro-5-methanesulfonylthiophene-3-sulfonyl chloride (C5H4Cl2O4S3) contains a carbohydrate-derived structure, a sulfone group, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 3.0, corresponding to approximately 3 ring(s) or double-bond equivalent(s). With a molecular weight of 295.18 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.
CATO manufactures 2-Chloro-5-methanesulfonylthiophene-3-sulfonyl chloride under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C5H4Cl2O4S3 |
| Molecular Weight | 295.18 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 3 |
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Recommended Standards
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- Biotin EP Impurity H (Mixture of Diastereomers) (CAS 2714810-33-8)
- tert-Butyl 4,4-difluoro-3-(hydroxymethyl)piperidine-1-carboxylate (CAS 1303973-24-1)
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Why CATO?
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