Description

L-Ribonic Acid, 4-Deoxy-4-Methyl-5-C-Phenyl-, δ-Lactone, (5R)- (9Ci) is a specialized chiral lactone derivative of ribonic acid, serving as a high-value synthetic intermediate in advanced organic chemistry. Its unique stereochemistry and phenyl-substituted structure make it a critical building block for the synthesis of complex molecules, particularly in pharmaceutical research and development. This compound is essential for chemists and researchers in the life sciences sector requiring precise, high-purity intermediates for drug discovery and process chemistry.

Application

• Pharmaceutical Intermediate: A key chiral synthon in the research and development of novel active pharmaceutical ingredients (APIs), especially for nucleoside analogs and other therapeutic agents.
• Organic Synthesis Building Block: Utilized in asymmetric synthesis and medicinal chemistry for constructing complex molecular architectures with defined stereocenters.
• Biochemical Research: Employed in the study of enzyme inhibitors, carbohydrate mimics, and as a probe in metabolic pathway research.
• Agrochemical Development: Potential use as an intermediate in the synthesis of advanced, targeted crop protection agents.
• Academic & Industrial R&D: Serves as a reference standard and starting material in university and corporate research laboratories focused on synthetic methodology.

Basic Information

Product Name	L-Ribonic Acid, 4-Deoxy-4-Methyl-5-C-Phenyl-, δ-Lactone, (5R)- (9Ci)
CAS No.	765941-78-4
Molecular Formula	C12H14O4
Molecular Weight	222.24 g/mol
Synonyms	(5R)-4-Deoxy-4-methyl-5-C-phenyl-L-ribono-1,4-lactone; (5R)-4-Deoxy-4-methyl-5-phenyl-L-ribono-1,4-lactone; 4-Deoxy-4-methyl-5-C-phenyl-L-ribono-1,4-lactone, (5R)-; L-Ribono-1,4-lactone, 4-deoxy-4-methyl-5-C-phenyl-, (5R)-; 765941-78-4; (5R)-4-Deoxy-4-methyl-5-phenylpentono-1,4-lactone
EINECS	Contact for details

Quality Control

We supply L-Ribonic Acid, 4-Deoxy-4-Methyl-5-C-Phenyl-, δ-Lactone, (5R)- (9Ci) in high-purity grades suitable for research and development. Our products undergo rigorous quality testing, including chiral purity analysis and impurity profiling, to ensure consistency and reliability for sensitive synthetic applications. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and chiral excess is provided with each batch to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep the container sealed to protect from moisture.

Specification

Item	Specification
Appearance	White to off-white solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Chiral Purity	≥ 98.0% ee
Water Content	≤ 1.0%
Residue on Ignition	≤ 0.5%

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