Description

Activated Ester Styrene is a specialized, high-purity monomer derivative designed for advanced polymer synthesis and bioconjugation chemistry. This compound matters for its highly reactive ester functionality, which enables efficient, site-specific coupling under mild conditions, a critical requirement in the development of sophisticated materials and biopharmaceuticals. It is essential for R&D and production teams in the pharmaceutical, diagnostics, and advanced materials sectors who require reliable, high-quality building blocks for creating functional polymers, hydrogels, and antibody-drug conjugates (ADCs).

Application

• Pharmaceutical Linker Chemistry: A key intermediate in the synthesis of cleavable linkers for Antibody-Drug Conjugates (ADCs) and other targeted therapeutics.
• Functional Polymer Synthesis: Used to incorporate reactive ester groups into co-polymers for subsequent modification with amines, enabling the creation of smart hydrogels, drug delivery systems, and surface coatings.
• Bioconjugation and Probe Development: Facilitates the labeling of proteins, peptides, and oligonucleotides with dyes, tags, or other functional molecules for diagnostic assays and imaging.
• Cross-linking Agent: Serves as a reactive cross-linker in the formulation of resins, adhesives, and composite materials requiring tailored mechanical properties.
• Material Science Research: Employed in academic and industrial R&D to develop novel stimuli-responsive materials and advanced functional surfaces.

Basic Information

Product Name	Activated Ester Styrene
CAS No.	864069-04-5
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	4-Vinylbenzoic Acid N-Hydroxysuccinimide Ester; NHS-Activated 4-Vinylbenzoate; p-Vinylbenzoyloxy Succinimide; STY-NHS; N-Succinimidyl 4-Vinylbenzoate; 4-Vinylbenzoyl NHS Ester; N-(4-Vinylbenzoyloxy)succinimide; Activated Styrene Monomer
EINECS	Contact for details

Quality Control

Every batch of Activated Ester Styrene CAS NO 864069-04-5 is manufactured under strict quality management systems. Our products undergo rigorous quality testing, including chromatographic purity analysis and identity confirmation, to ensure compliance with exacting industry standards for research and production use. Certificates of Analysis (COA) documenting purity, assay, and impurity profiles are available upon request to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at 2-8°C or as indicated on the label or COA. This product is hygroscopic (moisture-sensitive) and should be handled under anhydrous conditions to maintain stability and reactivity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Solubility	Soluble in DMF, DMSO, Acetonitrile

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