2-Formyl-5-hydroxybenzenesulfonamide CAS 1243395-82-5
| CAS No. | 1243395-82-5 |
| Molecular Formula | C7H7NO4S |
| Molecular Weight | 201.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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 supplies 2-Formyl-5-hydroxybenzenesulfonamide (CAS 1243395-82-5), a certified reference material (molecular formula C7H7NO4S, MW 201.20 g/mol) for analytical method development and quality control.
Based on its molecular formula C7H7NO4S, 2-Formyl-5-hydroxybenzenesulfonamide contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 201.20 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO manufactures 2-Formyl-5-hydroxybenzenesulfonamide 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 | C7H7NO4S |
| Molecular Weight | 201.20 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Formyl Standards
- 2-Formyl-3-hydroxybenzenesulfonamide (CAS 1243446-48-1)
- 5-Formyl-2-(4-fluorophenyl)pyridine (CAS 135958-93-9)
- 6-formyl-4H-thieno[3,2-b]pyrrole-5-carboxylic acid (CAS 15811-14-0)
- (3-Formyl-5-nitrothiophen-2-yl)boronic acid (CAS 21157-02-8)
- 2-(3-Formyl-5,5-dimethylcyclohex-2-en-1-ylidene)malononitrile (CAS 1621707-64-9)
- 2-Formyl-5-hydroxybenzenesulfonic acid (CAS 106086-27-5)
- 5-Formyl-2-hydroxybenzenesulfonic acid (CAS 29848-93-9)
- 5-Formyl-2-methylbenzenesulfonic acid (CAS 80318-84-9)
Recommended Standards
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- 2-(1-Methyl-3-(trifluoromethyl)-1H-pyrazol-5-yl)benzoic acid (CAS 910037-16-0)
- 1-Amino-2-(3-chloro-4-fluorophenyl)propan-2-ol (CAS 1343127-26-3)
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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 18665070610 / Nicole.chen@cato-chem.com