3-Chloro-4-methoxybenzenesulfonic acid CAS 118795-71-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 118795-71-4 |
| Molecular Formula | C7H7ClO4S |
| Molecular Weight | 222.65 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order 3-Chloro-4-methoxybenzenesulfonic acid (CAS 118795-71-4) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C7H7ClO4S. Molecular weight: 222.65 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C7H7ClO4S |
| Molecular Weight | 222.65 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) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
Related Chloro Standards
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- 4-chloro-6-(2-fluorophenyl)-2-methylpyrimidine (CAS 1159816-02-0)
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Recommended Standards
- (5-Methoxypyrazin-2-yl)methanesulfonyl chloride (CAS 1196146-01-6)
- (2-Methoxypyrimidin-5-yl)methanesulfonyl chloride (CAS 1196155-67-5)
- 2-(4-(Chloromethyl)phenyl)-5-fluoropyrimidine (CAS 1139432-30-6)
- 2-Amino-4,5-dimethoxypyrimidine (CAS 4763-53-5)
- 2-Dodecyl-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 177035-82-4)
- Naphthalene-1-Aldehyde (CAS 66-77-3)
- 9,9´-Bis[xanthenyliden] (CAS 517-45-3)
- 1-(6-Amino-5-bromo-1H-indol-1-yl)ethan-1-one (CAS 1000343-17-8)
- 7-ACCA Impurity 4 (CAS CATO-C4X-23134)
- Semaglutide impurity 49 (CAS CATO-C4X-222649)
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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