4-bromo-5-fluoro-2-methoxybenzene-1-sulfonyl chloride CAS 1443979-74-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1443979-74-5 |
| Molecular Formula | C7H5BrClFO3S |
| Molecular Weight | 303.53 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-bromo-5-fluoro-2-methoxybenzene-1-sulfonyl chloride (CAS 1443979-74-5) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C7H5BrClFO3S. Molecular weight: 303.53 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C7H5BrClFO3S |
| Molecular Weight | 303.53 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| 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.) | 1992 |
| Halogen Content | F/Cl/Br-containing |
| Sulfur Atoms | 1 |
Related bromo Standards
- 5-bromo-4-fluoro-2-methoxybenzene-1-sulfonyl chloride (CAS 1692245-39-8)
- 3-Bromo-6-fluoro-2-methoxybenzene-1-sulfonyl chloride (CAS 2091425-58-8)
- 4-Bromo-3-fluoro-2-methoxybenzenesulfonyl chloride (CAS 2385722-44-9)
- 5-Bromo-3-fluoro-2-methoxybenzene-1-sulfonyl chloride (CAS 612541-19-2)
- ethyl 3-bromo-5-chloroimidazo[1,2-a]pyridine-2-carboxylate (CAS 1000018-03-0)
- Methyl 5-bromo-6-chloro-2-methyl-2H-indazole-4-carboxylate (CAS 1037841-35-2)
- Ethyl 5-bromo-6-chloro-1H-pyrrolo[2,3-b]pyridine-1-carboxylate (CAS 1260383-98-9)
- Ethyl 6-bromo-3-chloroimidazo[1,2-a]pyridine-2-carboxylate (CAS 1296223-93-2)
Recommended Standards
- 4-Chloro-3-iodo-6-methylquinoline (CAS 1431364-43-0)
- 4-Chloro-3-iodo-2-methylquinoline (CAS 1033931-93-9)
- 2-Chloro-4-iodo-nicotinic acid methyl ester (CAS 185041-05-8)
- 5-(4-chlorophenoxy)pyridine-2-carboxylic acid (CAS 72133-24-5)
- 6-Methoxy-5-methylpyridazin-3(2H)-one (CAS 1703-15-7)
- Megestrol Acetate-d3 (CAS 162462-72-8)
- 6-(3,3,3-Trifluoropropoxy)pyridin-2-amine (CAS 1551521-44-8)
- (2S)-2-Amino-N-((1-benzylpyrrolidin-3-yl)methyl)-N-cyclopropylpropanamide (CAS 1354028-31-1)
- 5-Methyl-3,4-dihydro-2H-pyrrole-2-carboxylic acid hydrochloride (CAS 38228-01-2)
- RGD-targeted Proapoptotic Peptide trifluoroacetate salt (CAS 2243207-09-0)
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 13829788188 / jacky.chen@cato-chem.com