5-Bromonaphthalene-2-sulfonyl chloride CAS 127769-55-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 127769-55-5 |
| Molecular Formula | C10H6BrClO2S |
| Molecular Weight | 305.58 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-Bromonaphthalene-2-sulfonyl chloride (CAS 127769-55-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C10H6BrClO2S. Molecular weight: 305.58 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C10H6BrClO2S |
| Molecular Weight | 305.58 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1993 |
| Halogen Content | Cl/Br-containing |
| Sulfur Atoms | 1 |
Related Bromonaphthalene Standards
- 1-bromonaphthalene-2-sulfonyl chloride (CAS 90948-01-9)
- 4-Bromonaphthalene-1-sulfonyl chloride (CAS 63279-36-7)
- 5-Bromonaphthalene-1-sulfonyl chloride (CAS 50638-04-5)
- 6-Bromonaphthalene-2-sulfonyl chloride (CAS 50637-98-4)
- 2-bromonaphthalene-1,4-dicarboxylic acid (CAS CATO-C4X-26287)
- 5-bromonaphthalene-1,4-dicarboxylic acid (CAS CATO-C4X-26288)
- 6-bromonaphthalene-1,4-dicarboxylic acid (CAS CATO-C4X-26289)
- 6-Bromonaphthalene-2-carboxylic acid methoxymethylamide (CAS 861880-64-0)
Recommended Standards
- 4-((2-Bromophenoxy)methyl)-5-chloro-1,2,3-thiadiazole (CAS 1157112-82-7)
- 2-((2-Bromopyridin-3-yl)oxy)-5-(chloromethyl)thiazole (CAS 1065484-69-6)
- 2-Bromo-N-(6-chlorobenzo[d]thiazol-2-yl)acetamide (CAS 51011-21-3)
- (Z)-6,10-Dimethylundeca-5,9-dien-2-yl acetate (CAS 3239-37-0)
- Methyl 2-amino-5-(4-chlorophenoxy)benzoate (CAS 1291530-09-0)
- NU-7031 (CAS 79105-88-7)
- N1,N1-Dimethylethane-1,2-diamine dihydrochloride (CAS 3984-76-7)
- Upadacitinib Impurity 135 (CAS CATO-C4X-2405135)
- 2,1,3-Benzothiadiazol-5-ylisothiocyanate (CAS 337508-62-0)
- Semaglutide impurity 29 (CAS 1188328-22-4)
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