Description

4-Formylphenyl Methanesulfonate is a high-purity organic synthesis intermediate featuring both a formyl and a methanesulfonate ester functional group. This bifunctional structure makes it a versatile building block for constructing complex molecules in advanced pharmaceutical and agrochemical research. It is primarily sought after by R&D chemists and process development scientists for applications in medicinal chemistry and fine chemical synthesis.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of active pharmaceutical ingredients (APIs), particularly in kinase inhibitor and other targeted therapy research.
• Agrochemical Synthesis: Used in the development of novel herbicides, fungicides, and plant growth regulators.
• Liquid Crystal & OLED Material Precursor: Serves as a starting material for synthesizing advanced functional materials used in electronic displays.
• Cross-coupling Reactions: The methanesulfonate group can act as a leaving group in palladium-catalyzed cross-coupling reactions, such as Suzuki or Heck reactions.
• Polymer Modification: Employed to introduce aldehyde functionality into polymer backbones for further chemical modification or cross-linking.
• Protecting Group Chemistry: The formyl group can be used in temporary protection strategies during multi-step synthetic sequences.

Basic Information

Product Name	4-Formylphenyl Methanesulfonate
CAS No.	69088-97-7
Molecular Formula	C9H10O4S
Molecular Weight	214.24 g/mol
Synonyms	4-Formylphenyl methanesulfonate; p-Formylphenyl methanesulfonate; 4-Hydroxymethylphenyl methanesulfonate (related); Mesylate aldehyde derivative; Benzenemethanol, 4-[(methylsulfonyl)oxy]-, oxidation product; 4-(Methanesulfonyloxy)benzaldehyde; p-(Methanesulfonyloxy)benzaldehyde
EINECS	Contact for details

Quality Control

Our 4-Formylphenyl Methanesulfonate is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure it meets the high standards required for research and development. A detailed Certificate of Analysis (COA) is provided with every shipment, guaranteeing traceability and consistent quality.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. Due to its light-sensitive nature, containers should be kept in opaque packaging or amber glass.

Specification

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

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