2-Chloro-3,4-dimethoxybenzenesulfonyl chloride CAS 2228560-96-9
| CAS No. | 2228560-96-9 |
| Molecular Formula | C8H8Cl2O4S |
| Molecular Weight | 271.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Chloro-3,4-dimethoxybenzenesulfonyl chloride (CAS 2228560-96-9) is a high-purity analytical reference standard with the molecular formula C8H8Cl2O4S and a molecular weight of 271.12 g/mol.
Structurally, 2-Chloro-3,4-dimethoxybenzenesulfonyl chloride (C8H8Cl2O4S) contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 271.12 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures 2-Chloro-3,4-dimethoxybenzenesulfonyl 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 | C8H8Cl2O4S |
| Molecular Weight | 271.12 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.) | 1998 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
Related Chloro Standards
- 2-chloro-4,5-dimethoxybenzenesulfonyl chloride (CAS 1094292-46-2)
- 3-chloro-2,6-dimethoxybenzene-1-sulfonyl chloride (CAS 145980-90-1)
- 5-chloro-2-(methoxymethoxy)benzene-1-sulfonyl chloride (CAS 1803584-94-2)
- 4-Chloro-2,5-dimethoxybenzene-1-sulfonyl chloride (CAS 98546-13-5)
- 5-Chloro-2,4-dimethoxy-benzenesulfonyl chloride 78046-28-3 9669AE C8H8Cl2O4S (CAS 78046-28-3)
- (3-Chloro-4-fluorophenyl)(3-chlorophenyl)methanol (CAS 844683-45-0)
- (3-Chloro-4-fluorophenyl)(4-chlorophenyl)methanol (CAS 844683-34-7)
- (3-Chloro-5-fluorophenyl)(3-chlorophenyl)methanol (CAS 844683-46-1)
Recommended Standards
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- 2-Phenyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)oxazole (CAS 942070-80-6)
- Norgestrienone (CAS 848-21-5)
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- Trans-4-(1-hydroxy-1-methyl-ethyl)cyclohexanecarboxylicacid (CAS 183996-92-1)
- N-(4-bromophenyl)-4-phenyl-1,2,3-thiadiazole-5-carboxamide (CAS 477857-83-3)
- Orforglipron Impurity 39 (CAS CATO-C4X-323439)
- Methyl 4-(4-aminophenoxy)benzoate (CAS 24477-92-7)
- 2-Amino-2-(2,5-dimethoxyphenyl)acetic Acid (CAS 318270-06-3)
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- 3-Ethyl-4-oxocyclohexane-1-carboxylic acid (CAS 53792-12-4)
- Liraglutide Impurity 5 TFA Salt (CAS CATO-C4X-19925)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com