3-Chloro-5-(chlorosulfonyl)-4-hydroxybenzoic acid CAS 1201663-81-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1201663-81-1 |
| Molecular Formula | C7H4Cl2O5S |
| Molecular Weight | 271.07 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-Chloro-5-(chlorosulfonyl)-4-hydroxybenzoic acid (CAS 1201663-81-1) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C7H4Cl2O5S. Molecular weight: 271.07 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C7H4Cl2O5S |
| Molecular Weight | 271.07 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
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Recommended Standards
- 6-Bromo-2-oxo-1,2,3,4-tetrahydro-1,8-naphthyridine-3-carboxylic acid (CAS 1196154-23-0)
- 5-[(4-bromo-1H-pyrazol-1-yl)methyl]furan-3-carboxylic acid (CAS 1247390-92-6)
- 3-(3-bromo-4-methoxyphenyl)-4,5-dihydro-1,2,4-oxadiazol-5-one (CAS 1183996-38-4)
- 4-(4-Fluorophenyl)cyclohex-3-en-1-amine hydrochloride (CAS 36716-85-5)
- 2-(2-(2-Amino-6-methylbenzyl)-1,3-dioxolan-2-yl)acetic acid (CAS 2677030-88-3)
- Ethyl 3-(1-phenylethyl)-1H-1,2,4-triazole-5-carboxylate (CAS 1622854-81-2)
- 4-Chloro-5-methoxybenzimidazole (CAS 1360953-02-1)
- tert-Butyl 4-ethyl-4-formylpiperidine-1-carboxylate (CAS 885523-41-1)
- 1-(8-Bromonaphthalen-1-yl)cyclopropane-1-carbonitrile (CAS 2114654-72-5)
- Semaglutide impurity 250 (CAS CATO-C4X-2226250)
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