Frequently Asked
Common questions about 3,5-Dibromo-4-methoxybenzoic acid
What is 3,5-Dibromo-4-methoxybenzoic acid used for?
3,5-Dibromo-4-methoxybenzoic acid is a bromo-substituted intermediate prized for its reactivity in metal-catalyzed coupling used primarily in the pharmaceutical and fine chemical industries. Key applications include grignard reagent preparation via magnesium insertion into c–br bond and amide bond formation via edc/hobt or hatu coupling in peptide synthesis.
Where can I buy 3,5-Dibromo-4-methoxybenzoic acid in the USA?
ChemContract Research is a trusted USA-based supplier of 3,5-Dibromo-4-methoxybenzoic acid. We offer competitive pricing, fast domestic shipping from our Huntington Beach, California facility, and full quality documentation including Certificates of Analysis (CoA). Request a quote at chemistry@chem-contract.com or call +1 (714) 732-8549.
What purity levels are available for 3,5-Dibromo-4-methoxybenzoic acid?
ChemContract Research supplies 3,5-Dibromo-4-methoxybenzoic acid in multiple purity grades: ≥95% standard grade, ≥97% high-purity grade, and ≥99% ultra-high-purity grade depending on application requirements. We can also provide custom purity grades through our synthesis capabilities. Contact us for specific purity information and CoA documentation.
Can ChemContract synthesize 3,5-Dibromo-4-methoxybenzoic acid in custom quantities?
Yes. ChemContract Research offers custom synthesis services for 3,5-Dibromo-4-methoxybenzoic acid from milligram to multi-kilogram scale. Our cGMP-compliant facilities and experienced chemists can accommodate custom specifications, packaging requirements, and delivery timelines. Contact our team to discuss your project.
What coupling reagents work best with 3,5-Dibromo-4-methoxybenzoic acid?
For amide bond formation from the carboxylic acid in 3,5-Dibromo-4-methoxybenzoic acid, HATU/DIPEA is recommended for peptide coupling (high yield, low epimerization). EDC/HOBt is a cost-effective alternative for non-peptide amides. T3P (propylphosphonic acid anhydride) offers excellent atom economy with easy workup. For ester formation, DCC/DMAP (Steglich conditions) or Mitsunobu conditions are standard.
What coupling reactions can I run with 3,5-Dibromo-4-methoxybenzoic acid?
As a brominated compound, 3,5-Dibromo-4-methoxybenzoic acid is an excellent substrate for palladium-catalyzed cross-coupling reactions including Suzuki, Heck, Negishi, Sonogashira, and Buchwald–Hartwig amination. It can also be used for Grignard reagent preparation, metal–halogen exchange with organolithium reagents, and nucleophilic substitution reactions.
How should I store 3,5-Dibromo-4-methoxybenzoic acid?
Store at room temperature in a tightly sealed, light-resistant container. Some bromo compounds require refrigeration. Store at room temperature in a tightly sealed container. Protect from moisture and strong bases. Always consult the compound-specific Safety Data Sheet (SDS) provided with your order for detailed storage requirements. ChemContract Research includes handling and storage documentation with every shipment.
