Frequently Asked
Common questions about D-Tryptophan methyl ester hydrochloride
What is D-Tryptophan methyl ester hydrochloride used for?
D-Tryptophan methyl ester hydrochloride is an ester with applications in prodrug design and protecting-group chemistry used primarily in the pharmaceutical and polymer industries. Key applications include prodrug development to mask carboxylic acids and improve membrane permeability and improved handling characteristics versus the free base form.
Where can I buy D-Tryptophan methyl ester hydrochloride in the USA?
ChemContract Research is a trusted USA-based supplier of D-Tryptophan methyl ester hydrochloride. 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 D-Tryptophan methyl ester hydrochloride?
ChemContract Research supplies D-Tryptophan methyl ester hydrochloride 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 D-Tryptophan methyl ester hydrochloride in custom quantities?
Yes. ChemContract Research offers custom synthesis services for D-Tryptophan methyl ester hydrochloride 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.
Can I get D-Tryptophan methyl ester hydrochloride in a different salt form or as the free base?
Yes. ChemContract Research can supply D-Tryptophan methyl ester hydrochloride as the free base or convert it to alternative salt forms including hydrochloride, mesylate, tosylate, fumarate, or other pharmaceutically acceptable counter-ions. Salt form selection impacts crystallinity, stability, and solubility — our chemistry team can advise on optimal salt selection for your application. Currently supplied as the Hydrochloride form.
What is the stereochemical purity of D-Tryptophan methyl ester hydrochloride?
ChemContract Research supplies D-Tryptophan methyl ester hydrochloride with verified enantiomeric or diastereomeric purity as documented in our Certificate of Analysis (CoA). Chiral HPLC analysis is standard for stereodefined compounds. We can provide material with ≥98% ee/de for demanding applications. Contact us for specific optical purity requirements.
How should I store D-Tryptophan methyl ester hydrochloride?
Store at room temperature in a tightly sealed container away from heat and open flame. Store at room temperature in a tightly sealed container. Protect from humidity. Store under recommended conditions. Some chiral compounds may racemize at elevated temperatures or in the presence of base. 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.
What is the CAS number of D-Tryptophan methyl ester hydrochloride?
The CAS Registry Number for D-Tryptophan methyl ester hydrochloride is 14907-27-8. This unique identifier is used worldwide to reference this specific compound in chemical databases, regulatory filings, and scientific literature. ChemContract Research supplies this compound with full quality documentation. Contact us at chemistry@chem-contract.com for availability and pricing.
