4-(bromomethyl)benzenesulfonic acid CAS 82835-61-8
| CAS No. | 82835-61-8 |
| Molecular Formula | C7H7BrO3S |
| Molecular Weight | 251.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO supplies 4-(bromomethyl)benzenesulfonic acid (CAS 82835-61-8), a certified reference material (molecular formula C7H7BrO3S, MW 251.10 g/mol) for analytical method development and quality control.
Based on its molecular formula C7H7BrO3S, 4-(bromomethyl)benzenesulfonic acid contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 251.10 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.
As a certified reference material (CRM), 4-(bromomethyl)benzenesulfonic acid meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C7H7BrO3S |
| Molecular Weight | 251.10 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, 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.) | 1980 |
| Halogen Content | Br-containing |
| Sulfur Atoms | 1 |
Related bromomethyl Standards
- Ethyl 4-(bromomethyl)-1,2,3-thiadiazole-5-carboxylate (CAS 59944-59-1)
- Ethyl 5-(bromomethyl)-1,2,3-thiadiazole-4-carboxylate (CAS 80022-72-6)
- 2-(Bromomethyl)benzo[d]oxazole-5-acetonitrile (CAS 1803740-64-8)
- 2-(Bromomethyl)benzo[d]oxazole-4-acetonitrile (CAS 1803802-92-7)
- 2-(Bromomethyl)benzo[d]oxazole-6-acetonitrile (CAS 1806423-29-9)
- 2-(Bromomethyl)-1,4-naphthoquinone (CAS 50371-30-7)
- 5-(Bromomethyl)-3-methyl-1-phenyl-1H-pyrazole (CAS 1020724-91-7)
- 2-(Bromomethyl)-7-methoxynaphthalene (CAS 103143-23-3)
Recommended Standards
- 3-Fluoro-N-methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)aniline (CAS 2121512-12-5)
- 4-Amino-3-bromobenzenesulfonamide (CAS 53297-69-1)
- 3-Fluoro-N-methyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)aniline (CAS 2612483-43-7)
- 4-Bromo-1-(cyclopropylsulfonyl)-1H-pyrazole (CAS 2246720-55-6)
- 2-(2-((S)-1-((S)-2-Amino-3-methylbutanoyl)pyrrolidine-2-carboxamido)acetamido)acetic acid (CAS 53356-54-0)
- Methyl 4-bromo-5-(bromomethyl)thiophene-2-carboxylate (CAS 956118-34-6)
- 42406-53-1 Butanedioic acid, (1,3-dihydro-1,3-dioxo-2H-isoindol-2-yl)-, (S)- (S)-(1,3-Dihydro-1,3-dioxo-2H-isoindol-2-yl)butanedioic acid N-Phthaloyl-L-aspartic acid (CAS 42406-53-1)
- 2-(2-Amino-3-methoxyphenyl)acetic acid (CAS 1261566-60-2)
- Des-Leu26-Tirzepatide (CAS CATO-CPTD788947)
- N-(6-Methyl-4-oxo-1,4-dihydropyrimidin-2-yl)-indoline-1-carboximidamide (CAS 400866-36-6)
- 4492-37-9 N-(cyclopentylmethyl)-N-ethylamine (CAS 4492-37-9)
- 1-Phenyl-2-(2-(thiophen-2-yl)oxazol-5-yl)ethanone (CAS 919778-75-9)
- Xylopic acid (CAS 6619-97-2)
- Semaglutide Impurity 189 (CAS CATO-C4X-2226189)
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