5-[(4-chlorophenyl)sulfamoyl]-2-hydroxybenzoic acid CAS 62547-11-9
| CAS No. | 62547-11-9 |
| Molecular Formula | C13H10ClNO5S |
| Molecular Weight | 327.74 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 5-[(4-chlorophenyl)sulfamoyl]-2-hydroxybenzoic acid is closely related to a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
5-[(4-chlorophenyl)sulfamoyl]-2-hydroxybenzoic acid (CAS 62547-11-9), molecular formula C13H10ClNO5S and molecular weight 327.74 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C13H10ClNO5S, 5-[(4-chlorophenyl)sulfamoyl]-2-hydroxybenzoic acid contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 327.74 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.
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 5-[(4-chlorophenyl)sulfamoyl]-2-hydroxybenzoic acid 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 | C13H10ClNO5S |
| Molecular Weight | 327.74 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1974 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
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Recommended Standards
- Sulpiride Impurity 13 (CAS 62547-10-8)
- 4,6-Dibromo-2-fluoro-3-methoxyphenylboronic acid (CAS 2377606-40-9)
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- 3-(Benzyloxy)-5-nitrobenzenesulfonyl chloride (CAS 1393546-64-9)
- N-(5-bromo-2-methoxybenzyl)cyclopentanamine (CAS 418779-19-8)
- 2-((1-Methoxypropan-2-yl)amino)butan-1-ol (CAS 1250777-63-9)
- 2-((2,3-Dihydrobenzo[b][1,4]dioxin-5-yl)oxy)ethan-1-amine (CAS 32604-73-2)
- Pentoxyverine Impurity 3 (CAS CATO-C4X-22703)
- α-Methyl-1-naphthaleneacetic Acid Methyl Ester (CAS 72221-62-6)
- Ethirimol (CAS 23947-60-6)
- Methylprednisolone Impurity 1 (CAS CATO-C4X-19191)
- H-Met-OEt · HCl (CAS 2899-36-7)
- 4-[(4-Amino-3,5-dichloro-6-fluoropyridin-2-yl)oxy]benzonitrile (CAS 1023540-16-0)
- Semaglutide impurity 237 (CAS CATO-C4X-2226237)
Why CATO?
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