Description

L-Threo-Penturonic Acid, 4-Deoxy-3-o-Methyl-, γ-Lactone (9Ci) is a specialized carbohydrate derivative and lactone compound with the CAS number 82540-85-0. This high-purity intermediate is valued for its unique stereochemistry and functional groups, making it a critical building block in advanced synthetic chemistry. It is primarily sought by research institutions and pharmaceutical companies for the development of novel active pharmaceutical ingredients (APIs), complex carbohydrate-based drugs, and chiral synthons.

Application

• Pharmaceutical Intermediate: A key chiral precursor in the synthesis of nucleoside analogs, antiviral agents, and other complex therapeutic molecules.
• Biochemical Research: Used as a standard or substrate in enzymatic studies, metabolic pathway analysis, and glycobiology research.
• Carbohydrate Chemistry: Serves as a versatile building block for constructing complex oligosaccharides, glycoconjugates, and sugar-modified compounds.
• Process Development: Employed in scaling up synthetic routes for high-value fine chemicals and exploring new catalytic methodologies.
• Academic & Industrial R&D: Fundamental material for investigating structure-activity relationships (SAR) and developing new chemical entities (NCEs).

Basic Information

Product Name	L-Threo-Penturonic Acid, 4-Deoxy-3-o-Methyl-, γ-Lactone (9Ci)
CAS No.	82540-85-0
Molecular Formula	C6H8O5
Molecular Weight	160.12 g/mol
Synonyms	4-Deoxy-3-O-methyl-L-threo-penturonic acid γ-lactone; 3-O-Methyl-4-deoxy-L-threo-penturonic acid 1,4-lactone; L-Threo-Penturonic acid, 4-deoxy-3-O-methyl-, γ-lactone; 4-Deoxy-3-O-methyl-L-threo-pentono-1,4-lactone; (3S,4R)-3-Methoxy-4-hydroxydihydrofuran-2(3H)-one (theoretical); L-*threo*-Penturonic acid γ-lactone derivative
EINECS	Contact for details

Quality Control

Our L-Threo-Penturonic Acid, 4-Deoxy-3-o-Methyl-, γ-Lactone (9Ci) is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity, chiral analysis for stereochemical integrity, and identity confirmation via IR and NMR spectroscopy. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment to ensure traceability and compliance with your research or cGMP guidelines.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Chiral Purity (Chiral HPLC)	≥ 99.0% ee
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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