Frequently Asked
Common questions about CIS-4-FLUORO PROLINE METHYL ESTER HCL
What is CIS-4-FLUORO PROLINE METHYL ESTER HCL used for?
CIS-4-FLUORO PROLINE METHYL ESTER HCL is a fluorine-containing building block with enhanced metabolic stability used primarily in the pharmaceutical and diagnostic imaging industries. Key applications include metabolic blocking strategy — fluorine substitution to improve drug half-life and prodrug development to mask carboxylic acids and improve membrane permeability.
Where can I buy CIS-4-FLUORO PROLINE METHYL ESTER HCL in the USA?
ChemContract Research is a trusted USA-based supplier of CIS-4-FLUORO PROLINE METHYL ESTER HCL. 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 CIS-4-FLUORO PROLINE METHYL ESTER HCL?
ChemContract Research supplies CIS-4-FLUORO PROLINE METHYL ESTER HCL 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 CIS-4-FLUORO PROLINE METHYL ESTER HCL in custom quantities?
Yes. ChemContract Research offers custom synthesis services for CIS-4-FLUORO PROLINE METHYL ESTER HCL 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 CIS-4-FLUORO PROLINE METHYL ESTER HCL in a different salt form or as the free base?
Yes. ChemContract Research can supply CIS-4-FLUORO PROLINE METHYL ESTER HCL 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 CIS-4-FLUORO PROLINE METHYL ESTER HCL?
ChemContract Research supplies CIS-4-FLUORO PROLINE METHYL ESTER HCL 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 CIS-4-FLUORO PROLINE METHYL ESTER HCL?
Store at recommended temperature in a tightly sealed container. Protect from moisture, heat, and incompatible materials. 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.
