Description

Tos-Pr-Oh CAS NO 81842-71-9 is a high-purity chemical intermediate, specifically the tosylate ester of propanol. This compound is valued for its role as a versatile protecting group and alkylating agent in sophisticated organic synthesis. It is essential for researchers and manufacturers in the pharmaceutical and fine chemical industries who require reliable, high-quality building blocks for developing active pharmaceutical ingredients (APIs) and complex molecules.

Application

• Pharmaceutical Synthesis: A key intermediate and protecting group reagent in the multi-step synthesis of complex drug molecules and active pharmaceutical ingredients (APIs).
• Fine Chemical Production: Used as a specialized alkylating agent to introduce the propyl group in the manufacture of agrochemicals, dyes, and specialty materials.
• Academic & Industrial Research: Serves as a critical reagent in research laboratories for method development and exploring new synthetic pathways in organic chemistry.
• Peptide Chemistry: Employed in the protection of functional groups during the synthesis of peptides and related biomolecules.

Basic Information

Product Name	Tos-Pr-Oh
CAS No.	81842-71-9
Molecular Formula	C10H14O3S
Molecular Weight	214.28 g/mol
Synonyms	Propyl p-toluenesulfonate; 1-Propanol, 1-(4-methylbenzenesulfonate); p-Toluenesulfonic acid propyl ester; Propyl tosylate; 4-Methylbenzenesulfonic acid propyl ester; Tos-Pr-OH; PTSE
EINECS	Contact for details

Quality Control

Our Tos-Pr-Oh is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for synthetic applications. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame.

Specification

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