2-Bromo-4-methoxybenzene sulfonamide CAS 709-46-6
| CAS No. | 709-46-6 |
| Molecular Formula | C7H3ClFNO3 |
| Molecular Weight | 203.56 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 203.56 g/mol gives 2-Bromo-4-methoxybenzene sulfonamide distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2-Bromo-4-methoxybenzene sulfonamide (CAS 709-46-6), molecular formula C7H3ClFNO3 and molecular weight 203.56 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C7H3ClFNO3, 2-Bromo-4-methoxybenzene sulfonamide contains an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 203.56 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 2-Bromo-4-methoxybenzene sulfonamide 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 | C7H3ClFNO3 |
| Molecular Weight | 203.56 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, 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; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 1 |
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Recommended Standards
- 4-Chloro-5-fluoro-2-nitrobenzaldehyde (CAS 184843-93-4)
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- 4-Chloro-2-fluoro-5-nitrobenzaldehyde (CAS 1639298-89-7)
- 2-Chloro-6-fluoro-3-nitrobenzaldehyde (CAS 899821-26-2)
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- N-Methyl-4-aminobutyric Acid-d (CAS 1215511-11-7)
- N-[(3,4-Dichlorophenyl)methyl]-2-hydroxy-3,5-diiodobenzamide (CAS 478039-22-4)
- 2-(Cyclohexylmethoxy)-4-(tetramethyl-1,3,2-dioxaborolan-2-yl)benzonitrile (CAS 2490666-03-8)
- Vildagliptin Impurity 76 (CAS 3034601-47-0)
- ethyl 6-bromo-3-hydroxy-5-methyl-pyrazine-2-carboxylate (CAS 1269026-22-3)
- 4-Methoxy-2-phenylpyrazolo[1,5-a]pyrazine-3-carbaldehyde (CAS 1710471-87-6)
- 6-Phenoxyisobenzofuran-1(3H)-one (CAS 2241198-36-5)
- Renin Inhibitor Peptide (CAS 50410-01-0)
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