sodium 3-chloro-4-formylbenzenesulfonate CAS 42481-01-6
| CAS No. | 42481-01-6 |
| Molecular Formula | C7H4ClO4S |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures sodium 3-chloro-4-formylbenzenesulfonate 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.
CATO supplies sodium 3-chloro-4-formylbenzenesulfonate (CAS 42481-01-6), a certified reference material (molecular formula C7H4ClO4SNa, MW 242.61 g/mol) for analytical method development and quality control.
Based on its molecular formula C7H4ClO4SNa, sodium 3-chloro-4-formylbenzenesulfonate contains a salt form, 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 242.61 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.
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 | C7H4ClO4S Na |
| Molecular Weight | 242.61 g/mol |
| Purity | >95% |
| 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) | 5.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1969 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
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Recommended Standards
- 3-Phenyl-2-azaspiro[3.3]Heptan-1-one (CAS 1803609-48-4)
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- 6-chloro-2-(difluoromethyl)quinazolin-4-ol (CAS 50419-38-0)
- Nickel(II) hydroxide (CAS 12054-48-7)
- 3-Methoxy-2-pyridineacetonitrile, 97% (CAS 149489-09-8)
- n-Ethyl-4-methoxy-2-nitroaniline (CAS 3360-85-8)
- Gadoteridol Impurity 19 (CAS CATO-C4X-225719)
- 2,4-Dimethyl-5-nitrobenzonitrile (CAS 625112-44-9)
- Bazedoxifene Acetate Impurity 5 (CAS 328933-58-0)
- Semaglutide impurity 78 (CAS CATO-C4X-222678)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com