5-Bromo-N-(3,5-dimethoxybenzyl)-2,4-difluoro-N-(5-fluorothiazol-2-yl)benzenesulfonamide CAS 2438941-90-1
| CAS No. | 2438941-90-1 |
| Molecular Formula | C18H14BrF3N2O4S2 |
| Molecular Weight | 523.34 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 5-Bromo-N-(3,5-dimethoxybenzyl)-2,4-difluoro-N-(5-fluorothiazol-2-yl)benzenesulfonamide 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.
5-Bromo-N-(3,5-dimethoxybenzyl)-2,4-difluoro-N-(5-fluorothiazol-2-yl)benzenesulfonamide (CAS 2438941-90-1), molecular formula C18H14BrF3N2O4S2 and molecular weight 523.34 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, fluorine/bromine substitution, 5-Bromo-N-(3,5-dimethoxybenzyl)-2,4-difluoro-N-(5-fluorothiazol-2-yl)benzenesulfonamide is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 523.34 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C18H14BrF3N2O4S2 |
| Molecular Weight | 523.34 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2000 |
| Halogen Content | F/Br-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 2 |
Related Bromo Standards
- 4-Bromo-N-((5-((4-(tert-butyl)benzyl)thio)-4-ethyl-4H-1,2,4-triazol-3-yl)methyl)benzenesulfonamide (CAS 338794-55-1)
- 5a-Bromo-6,19-epoxycholestanol 3-Acetate (CAS 1258-07-7)
- 5-Bromo-6-chloro-N-(2,4-dimethoxybenzyl)-N-(5-fluorothiazol-2-yl)pyridine-3-sulfonamide (CAS 2437438-11-2)
- N-(2-bromo-4-methylphenyl)-2-((4-phenyl-5-((p-tolylamino)methyl)-4H-1,2,4-triazol-3-yl)thio)acetamide (CAS 332906-88-4)
- 4-Bromo-N-(4-bromophenyl)-3-[[(phenylmethyl)amino]sulfonyl]benzamide (CAS 312756-74-4)
- 4-Bromo-1-[(3-methoxyphenyl)methyl]-N,N-bis[(4-methoxyphenyl)methyl]-1H-pyrazol-5-amine (CAS 930286-88-7)
- 4-Bromo-N,N,1-tris(4-methoxybenzyl)-1H-pyrazol-3-amine (CAS 930286-87-6)
- 7-(3-bromo-4-methoxybenzyl)-1-ethyl-8-(((1R,2R)-2-hydroxycyclopentyl)amino)-3-(2-hydroxyethyl)-3,7-dihydro-1H-purine-2,6-dione (CAS 569351-91-3)
Recommended Standards
- Doxorubicin Impurity 31 (CAS CATO-C4X-203331)
- (2R,3R,4S,5S,6R)-2-bromo-6-((tosyloxy)methyl)tetrahydro-2H-pyran-3,4,5-triyl triacetate (CAS 13046-90-7)
- Ethyl (S)-3-(4,5-bis((tert-butoxycarbonyl)oxy)-2-iodophenyl)-2-formamidopropanoate (CAS 143993-89-9)
- 1-[(2,4-Dichlorophenyl)methyl]-3'-[3-(trifluoromethyl)phenyl]-1,2-dihydrospiro[indole-3,2'-[1,3]thiazolidine]-2,4'-dione (CAS 338419-00-4)
- tert-Butyl (3'-amino-[1,1'-biphenyl]-3-yl)carbamate (CAS 1228032-40-3)
- Furo[3,2-c]pyridin-3(2H)-one hydrobromide (CAS 33279-78-6)
- 9-Azabicyclo[3.3.1]nonan-3-one (CAS 4390-39-0)
- 5-((1H-pyrrol-2-yl)methyl)-1H-pyrrole-2-carbaldehyde (CAS 36746-27-7)
- Radotinib (CAS 926037-48-1)
- tert-Butyl (6-aminobenzo[d]thiazol-2-yl)carbamate (CAS 862822-07-9)
- 4-Methoxy-3-nitro-1H-pyrrolo[2,3-b]pyridine (CAS 1190314-57-8)
- 5,6-Diethoxybenzo[b]thiophene-2-carboxylic acid (CAS 97852-72-7)
- 9-Mesityl-2,7,10-trimethylacridinium Perchlorate (CAS 1216909-33-9)
- Semaglutide impurity 96 (CAS CATO-C4X-222696)
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