2,5-Dichloro-4-(methylsulfonyl)benzoic Acid CAS 118939-22-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 118939-22-3 |
| Molecular Formula | C8H6Cl2O4S |
| Molecular Weight | 269.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 2,5-Dichloro-4-(methylsulfonyl)benzoic Acid (CAS 118939-22-3), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C8H6Cl2O4S. Molecular weight: 269.10 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C8H6Cl2O4S |
| Molecular Weight | 269.10 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 | 1 |
Related Dichloro Standards
- 2,3-Dichloro-4-(methylsulfonyl)benzoic Acid (CAS 105917-77-9)
- 2,6-Dichloro-3-methanesulfonylbenzoic acid (CAS 1094404-69-9)
- 2,6-Dichloro-4-fluoro-[1,1-biphenyl]-4-carbaldehyde (CAS 1350760-15-4)
- 3',4'-Dichloro-2-fluoro-[1,1'-biphenyl]-4-carbaldehyde (CAS 1361720-12-8)
- 3',5'-Dichloro-3-fluoro-[1,1'-biphenyl]-4-carbaldehyde (CAS 1361871-90-0)
- 3,4-Dichloro-4'-fluorobenzophenone (CAS 157428-51-8)
- 3,5-Dichloro-4-fluorobenzophenone (CAS 197439-66-0)
- 2,3'-Dichloro-4'-fluorobenzophenone (CAS 951889-98-8)
Recommended Standards
- 1-(5-Bromo-2-ethoxyphenyl)-1H-tetrazole (CAS 1174874-75-9)
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- 2-Chloro-N-(3-{5,6-dimethyl-4-oxo-3h,4h-thieno[2,3-d]pyrimidin-2-yl}phenyl)acetamide (CAS 852033-50-2)
- 2-(Benzylsulfanyl)-4-(2,5-dichlorothiophen-3-yl)pyrimidine (CAS 338777-10-9)
- 3-Amino-3-(3,5-dimethoxyphenyl)propanoic acid (CAS 412925-58-7)
- 2-(4-Iodophenoxy)acetonitrile (CAS 243657-95-6)
- 4-(5,5-Dimethyl-1,3-dioxan-2-yl)-1-(4-propylphenyl)butan-1-one (CAS 898787-23-0)
- Biotinyl-Pancreatic Polypeptide (human) trifluoroacetate salt (CAS 1816258-36-2)
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 13829788188 / jacky.chen@cato-chem.com