Description

3-Pentylmethanesulphonate is a versatile organic sulfonate ester with the CAS registry number 4358-72-9. This compound serves as a valuable alkylating agent and key synthetic intermediate in advanced organic synthesis. It is primarily utilized by R&D chemists and process development teams in the pharmaceutical, agrochemical, and specialty chemical industries for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of active pharmaceutical ingredients (APIs) and novel drug candidates.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and other crop protection agents.
• Alkylation Reagent: Employed in organic reactions to introduce the pentyl group or methanesulfonate leaving group.
• Material Science Research: Acts as a monomer or modifier in the development of specialty polymers and functional materials.
• Chemical Standard: Serves as a reference standard for analytical method development and quality control in chemical manufacturing.

Basic Information

Product Name	3-Pentylmethanesulphonate
CAS No.	4358-72-9
Molecular Formula	C7H16O3S
Molecular Weight	180.26 g/mol
Synonyms	Pentyl methanesulfonate; 3-Pentyl methanesulfonate; 1-Methanesulfonyloxypentane; Methanesulfonic acid pentyl ester; Amyl methanesulfonate; n-Pentyl methanesulfonate; 3-Pentyl mesylate; MS-Pent
EINECS	Contact for details

Quality Control

Our 3-Pentylmethanesulphonate is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure high chemical purity and identity. Certificates of Analysis (COA) documenting purity, assay, and impurity profiles are available upon request to support your quality and regulatory requirements.

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 exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%

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