Description

Pentonic Acid, γ-Lactone (9Ci) is a specialized lactone derivative with a unique cyclic ester structure. This compound serves as a valuable intermediate and building block in advanced organic synthesis, offering precise reactivity for constructing complex molecular architectures. It is primarily utilized by research institutions and industrial R&D departments in the pharmaceutical, agrochemical, and fine chemical sectors for developing novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel drug candidates and active pharmaceutical ingredients (APIs).
• Agrochemical Research: Used in the development of new herbicides, fungicides, and plant growth regulators.
• Fine Chemical Synthesis: Serves as a precursor for specialty chemicals, flavors, and fragrances.
• Polymer Chemistry: Monomer or modifier for creating specialized polyesters and biodegradable polymers.
• Academic & Industrial R&D: Essential reagent for methodological studies and exploring new synthetic pathways in organic chemistry.

Basic Information

Product Name	Pentonic Acid, γ-Lactone (9Ci)
CAS No.	179091-67-9
Molecular Formula	C5H8O3
Molecular Weight	116.12 g/mol
Synonyms	4-Hydroxypentanoic acid γ-lactone; 4-Methylbutyrolactone; 4-Methyl-γ-butyrolactone; γ-Valerolactone, 4-methyl-; 4-Methyl-dihydro-2(3H)-furanone; 179091-67-9; Pentonic acid γ-lactone
EINECS	Contact for details

Quality Control

Our Pentonic Acid, γ-Lactone (9Ci) is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including chromatography and spectroscopy, to ensure identity, purity, and consistency. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming compliance with agreed specifications. We support cGMP and ISO standards for research and industrial use.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); keep the container tightly sealed to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
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.