Description

D-Proline, 4-(Benzoylamino)-, Methyl Ester, (4S)-Rel- (9Ci) is a high-purity, non-natural amino acid derivative characterized by its specific stereochemistry and functional groups. This compound is a critical chiral building block and intermediate in advanced organic synthesis, particularly for the development of pharmaceuticals and bioactive molecules. It is essential for researchers and manufacturers in medicinal chemistry, process R&D, and fine chemical production who require a reliable source of high-quality, stereochemically defined intermediates.

Application

• Pharmaceutical Intermediate: Serves as a key chiral synthon in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for protease inhibitors and other targeted therapies.
• Peptidomimetics Research: Used in the design and construction of peptidomimetic compounds to enhance metabolic stability and bioavailability in drug discovery programs.
• Asymmetric Synthesis: Acts as a chiral auxiliary or starting material in stereoselective reactions to construct complex molecular architectures.
• Bioconjugation & Probe Development: Utilized in the preparation of labeled compounds and molecular probes for biochemical and diagnostic applications.
• Academic & Industrial R&D: A valuable reagent for method development and exploring new synthetic pathways in university and corporate research laboratories.

Basic Information

Product Name	D-Proline, 4-(Benzoylamino)-, Methyl Ester, (4S)-Rel- (9Ci)
CAS No.	771468-17-8
Molecular Formula	C14H16N2O3
Molecular Weight	260.29 g/mol
Synonyms	(4S)-4-(Benzoylamino)-D-proline methyl ester; Methyl (4S)-4-benzamido-D-prolinate; D-4-(Benzoylamino)proline methyl ester; (4S)-rel-4-(Benzoylamino)-D-proline methyl ester; 4-Benzamido-D-proline methyl ester; L-BAPM (ambiguous, verify stereochemistry); Proline, 4-(benzoylamino)-, methyl ester, (4S)-rel- (9CI)
EINECS	Contact for details

Quality Control

Our D-Proline, 4-(Benzoylamino)-, Methyl Ester, (4S)-Rel- (9Ci) is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and chiral purity assessment, to ensure it meets the high standards required for research and pharmaceutical development. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); therefore, containers must be kept tightly sealed in a dry environment to maintain stability and purity. For long-term storage, consider using desiccants.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Chiral Purity	≥ 99.0% ee
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.1%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.