Description

Peg7-o-Ms CAS NO 1217601-12-1 is a specialized polyethylene glycol (PEG) derivative, specifically a heptaethylene glycol monomethyl ether mesylate. This compound is a high-value chemical intermediate designed for advanced synthesis, offering a reactive mesylate (Ms) group for efficient functionalization. It is essential for researchers and manufacturers requiring precise control over molecular architecture and surface properties. Key applications span pharmaceutical development, advanced material science, and the creation of functional polymers and bioconjugates.

Application

• Pharmaceutical Intermediate: Used in the synthesis of prodrugs, linker molecules for antibody-drug conjugates (ADCs), and solubility-enhancing agents for active pharmaceutical ingredients (APIs).
• Polymer & Material Science: Serves as a key monomer or functionalization agent for creating PEG-based hydrogels, smart materials, and surface coatings with tailored properties.
• Bioconjugation & Proteomics: Acts as a versatile linker for attaching peptides, proteins, or fluorescent dyes, modifying biomolecules for research, diagnostics, and therapeutic purposes.
• Liquid Crystal & Electronic Materials: Employed in the synthesis of organic semiconductors and liquid crystal compounds where a hydrophilic PEG spacer is required.
• Cosmetic & Personal Care Formulations: Utilized as a building block for synthesizing novel, high-performance surfactants and emulsifiers.
• Cross-linking Agent: Functions as a reactive cross-linker in the production of specialty resins and polymers with controlled network structures.

Basic Information

Product Name	Peg7-o-Ms
CAS No.	1217601-12-1
Molecular Formula	C16H34O9S
Molecular Weight	402.50 g/mol
Synonyms	Heptaethylene glycol monomethyl ether mesylate; 2-[2-[2-[2-[2-[2-(2-Methoxyethoxy)ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethyl methanesulfonate; mPEG7-OMs; Methoxy-PEG7-mesylate; Poly(ethylene glycol) methyl ether mesylate (n≈7); Mesyl-PEG7-OMe; PEG7 monomethyl ether mesylate; 1-Methoxy-3,6,9,12,15,18,21-heptaoxatricos-22-yl methanesulfonate
EINECS	Contact for details

Quality Control

Our Peg7-o-Ms is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation (NMR, IR), to ensure it meets stringent specifications for advanced synthetic applications. We provide a detailed Certificate of Analysis (COA) with every shipment, documenting critical parameters such as assay, water content, and residual solvents. Our quality commitment supports compliance with cGMP and ISO standards for reliable supply to regulated industries.

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 hygroscopic (moisture-sensitive). Keep the container tightly sealed under an inert atmosphere (e.g., nitrogen or argon) to prevent moisture absorption and degradation. Store away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 0.5%
Residual Solvents (GC)	Meets ICH guidelines

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