Description

Methyl 3,4-o-Isopropylidene-L-Threonate is a high-purity chiral building block and protected threonic acid derivative, essential for the synthesis of complex organic molecules. Its primary value lies in providing a stereochemically defined scaffold for constructing pharmaceuticals, fine chemicals, and advanced materials. This compound is particularly critical for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries who require precise control over molecular architecture.

Application

• Pharmaceutical Intermediate: A key chiral synthon in the synthesis of antiviral drugs, antibiotics, and other active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the production of chiral herbicides, fungicides, and plant growth regulators.
• Fine Chemical Production: Serves as a building block for flavors, fragrances, and advanced polymeric materials.
• Asymmetric Catalysis Research: Employed as a ligand precursor or a test substrate in the development of new catalytic systems.
• Nutraceutical & Vitamin Synthesis: Potential intermediate in the synthesis of L-ascorbic acid (Vitamin C) derivatives and related compounds.
• Academic & R&D Laboratories: Used in organic chemistry research for method development and the synthesis of novel chiral compounds.

Basic Information

Product Name	Methyl 3,4-o-Isopropylidene-L-Threonate
CAS No.	92973-40-5
Molecular Formula	C9H14O5
Molecular Weight	202.20 g/mol
Synonyms	Methyl (2S,3S)-2,3-O-Isopropylidene-1,2,3,4-tetrahydroxybutanoate; L-Threonic Acid, 3,4-O-Isopropylidene-, Methyl Ester; Methyl 2,3-O-Isopropylidene-L-threonate; Methyl (4S)-2,2-dimethyl-1,3-dioxolane-4-acetate; (2S,3S)-2,3-O-Isopropylidene-1,2,3,4-tetrahydroxybutanoic Acid Methyl Ester; Methyl L-threonate 3,4-acetonide
EINECS	Contact for details

Quality Control

Our Methyl 3,4-o-Isopropylidene-L-Threonate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including chiral purity analysis, to ensure it meets the high standards required for advanced synthetic applications. 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, and well-ventilated area at controlled room temperature (15-25°C). The compound may be hygroscopic; keep the container tightly sealed in a dry environment to prevent moisture absorption.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or low-melting solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Chiral Purity (Chiral HPLC)	≥ 99.0% ee
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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