Description

(+)-4,4'-Azobis[(R)-4-Cyanopentanoic Acid] CAS NO 23942-62-3 is a chiral, optically active azo initiator of high purity, designed for advanced polymerization processes requiring stereochemical control. This compound matters because it enables the synthesis of polymers with specific tacticity and enhanced material properties, which are critical for high-performance applications. It is primarily needed by R&D scientists and process engineers in the pharmaceutical, specialty polymer, and advanced materials industries for developing novel chiral polymers, surface coatings, and functionalized nanomaterials.

Application

• Chiral Polymer Synthesis: As a stereospecific radical initiator for the polymerization of vinyl monomers to produce isotactic or syndiotactic polymers.
• Pharmaceutical Intermediates: In the research and development of drug delivery systems where polymer chirality affects bioavailability and efficacy.
• Advanced Material Fabrication: For creating functional polymers used in optical devices, liquid crystals, and chiral stationary phases for chromatography.
• Surface-Initiated Polymerization: To graft well-defined chiral polymer brushes onto surfaces for sensors, antifouling coatings, or biocompatible interfaces.
• Block Copolymer Production: Enabling the synthesis of block copolymers with controlled stereochemistry for nanotechnology and self-assembly applications.
• Academic & Industrial Research: A key reagent for investigating structure-property relationships in polymer science and developing new polymerization methodologies.

Basic Information

Product Name	(+)-4,4'-Azobis[(R)-4-Cyanopentanoic Acid]
CAS No.	23942-62-3
Molecular Formula	C14H16N4O4
Molecular Weight	304.30 g/mol
Synonyms	(R,R)-2,2'-Azobis(4-cyano-2-methylbutyric acid); (R,R)-2,2'-Azobis(4-cyanopentanoic acid); (R,R)-ACPA; (R,R)-2,2'-Azobis(2-methyl-4-cyanobutanoic acid); (+)-4,4'-Azobis(4-cyanopentanoic acid) (R,R)-form; Chiral Azo Initiator V-501; Optically Active AIBN Derivative; (2R,2'R)-2,2'-(Diazene-1,2-diyl)bis(4-cyanopentanoic acid)
EINECS	Contact for details

Quality Control

Our (+)-4,4'-Azobis[(R)-4-Cyanopentanoic Acid] is manufactured under strict quality management systems to ensure batch-to-batch consistency and high optical purity. Each lot is supported by a comprehensive Certificate of Analysis (COA) detailing key parameters such as chiral purity, assay, and impurity profile. We adhere to relevant industry standards for fine chemicals, and specifications can be tailored to meet specific research or cGMP requirements upon request.

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). This product is light-sensitive (store away from light). Keep away from heat, sparks, and open flames. For long-term storage, consider inert gas purging to maintain stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Chiral Purity (HPLC)	≥ 99.0% ee
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Heavy Metals	≤ 10 ppm
Residue on Ignition	≤ 0.1%

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