4-bromo-5-(chlorosulfonyl)-2-methoxybenzoic acid CAS 72135-35-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 72135-35-4 |
| Molecular Formula | C8H6BrClO5S |
| Molecular Weight | 329.55 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-bromo-5-(chlorosulfonyl)-2-methoxybenzoic acid (CAS 72135-35-4) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C8H6BrClO5S. Molecular weight: 329.55 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C8H6BrClO5S |
| Molecular Weight | 329.55 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1977 |
| Halogen Content | Cl/Br-containing |
| Sulfur Atoms | 1 |
Related bromo Standards
- 5-Bromo-N-(2-chloro-4-fluorophenyl)nicotinamide (CAS 1240747-91-4)
- n-(4-Bromo-2-fluorophenyl)-4-chloropicolinamide (CAS 923786-09-8)
- N-(5-Bromo-2-nitrophenyl)-2-chloropyrimidin-4-amine (CAS 1394119-49-3)
- Ethyl 5-bromo-1-(3-chlorophenyl)-1H-pyrazole-4-carboxylate (CAS 110821-39-1)
- Ethyl 5-bromo-1-(4-chlorophenyl)-1H-pyrazole-4-carboxylate (CAS 110821-40-4)
- 5-Bromo-2-chloro-4-(4-methoxyphenyl)methoxypyrimidine (CAS 1188329-59-0)
- Ethyl 5-bromo-1-(2-chlorophenyl)-1H-pyrazole-4-carboxylate (CAS 1245259-89-5)
- Ethyl 2-(6-bromo-4-chloroquinazolin-2-yl)acetate (CAS 1260897-33-3)
Recommended Standards
- 3-(4-Methoxyphenyl)-1-(triisopropylsilyl)-1H-pyrrole (CAS 138900-59-1)
- N- Oleoylethanolamide-d (CAS 946524-36-3)
- Rel-1-isothiocyanato-4-((1s,4r)-4-octylcyclohexyl)benzene (CAS 92412-69-6)
- 3-Ethyl-N-((5-methylfuran-2-yl)methylene)aniline (CAS 400059-39-4)
- 2-[(2,5-difluorophenyl)amino]pyridine-3-carboxylic acid (CAS 162015-31-8)
- Ethyl 5-ethyl-1,4-dimethyl-1H-pyrazole-3-carboxylate (CAS 1251760-88-9)
- Avanafil Impurity 106 (CAS CATO-C4X-1118106)
- [(R)-1-(2-Amino-ethyl)-pyrrolidin-3-yl]-methyl-carbamic acid benzyl ester (CAS 1354015-92-1)
- 2,6-Dichloro-4-nitropyridine 1-oxide (CAS 2587-01-1)
- (Met(O)2?)-Glucagon (1-29) (human, rat, porcine) (CAS 75217-63-9)
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