Description

4-(4-Hydroxymethyl-3-Methoxyphenoxy)-Butyric Acid is a high-purity organic acid derivative with a versatile phenoxy butyric acid structure. This compound is valued for its role as a key synthetic intermediate in the development of advanced pharmaceutical and fine chemical products. It is primarily sought by research and development teams, as well as production chemists, in the pharmaceutical, agrochemical, and specialty chemical industries for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: A crucial building block in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for compounds targeting specific receptor sites.
• Agrochemical Synthesis: Used in the research and production of advanced herbicides, fungicides, and plant growth regulators.
• Liquid Crystal & Polymer Chemistry: Serves as a monomer or precursor for specialty polymers and liquid crystal materials due to its rigid aromatic core and flexible linker.
• Bioconjugation & Linker Chemistry: The hydroxymethyl and carboxylic acid functional groups make it suitable for creating cleavable linkers in antibody-drug conjugates (ADCs) and prodrugs.
• Organic Synthesis & Research: Employed in academic and industrial R&D for exploring new synthetic pathways and creating complex organic molecules.
• Fine Chemical Production: Acts as a precursor for flavors, fragrances, and other high-value specialty chemicals.

Basic Information

Product Name	4-(4-Hydroxymethyl-3-Methoxyphenoxy)-Butyric Acid
CAS No.	136849-75-7
Molecular Formula	C12H16O5
Molecular Weight	240.25 g/mol
Synonyms	4-(4-(Hydroxymethyl)-3-methoxyphenoxy)butanoic Acid; 4-(4-Hydroxymethyl-3-methoxyphenoxy)butyric Acid; Butanoic acid, 4-[4-(hydroxymethyl)-3-methoxyphenoxy]-; 4-(3-Methoxy-4-(hydroxymethyl)phenoxy)butyric Acid; Vanillyloxybutyric Acid; HMPBA; Contact for additional synonyms.
EINECS	Contact for details

Quality Control

Our 4-(4-Hydroxymethyl-3-Methoxyphenoxy)-Butyric Acid is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via IR and NMR, to ensure it meets exacting standards for research and production use. A Certificate of Analysis (COA) detailing all specifications 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 strong acids and incompatible organic solvents. For long-term storage, consider an inert atmosphere to preserve stability.

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%
Heavy Metals	≤ 10 ppm

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