Description

Methyl 4-Mercaptobutyrimidate is a specialized organic compound featuring both a thiol (mercapto) group and an imidate ester functionality. This unique bifunctional structure makes it a valuable intermediate for the synthesis of heterocyclic compounds and for the introduction of thiol-reactive handles in bioconjugation and materials science. It is primarily sought after by research chemists and process development scientists in the pharmaceutical and agrochemical sectors. The compound, with CAS No. 64821-63-2, is essential for creating novel molecular architectures and functionalized materials.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of thiol-containing heterocycles and active pharmaceutical ingredients (APIs).
• Bioconjugation Reagent: Used for introducing thiol-reactive sites onto proteins, peptides, or other biomolecules for labeling and cross-linking applications.
• Polymer Modification: Serves as a functional monomer or cross-linker for creating polymers with specific thiol-responsive or adhesive properties.
• Agrochemical Synthesis: Intermediate in the production of novel herbicides, fungicides, or plant growth regulators.
• Chemical Research: Versatile reagent in organic synthesis for constructing complex molecules via its reactive imidate and thiol groups.
• Material Science: Used in surface functionalization and the development of advanced materials like sensors or coatings.

Basic Information

Product Name	Methyl 4-Mercaptobutyrimidate
CAS No.	64821-63-2
Molecular Formula	C5H9NOS
Molecular Weight	131.20 g/mol
Synonyms	4-Mercaptobutyrimidic Acid Methyl Ester; Methyl 4-Mercaptobutyrimidate Hydrochloride (salt form); 4-Thiobutanimidic Acid Methyl Ester; Butanimidothioic Acid, 4-mercapto-, Methyl Ester; Methyl 4-sulfanylbutanimidate
EINECS	Contact for details

Quality Control

Our Methyl 4-Mercaptobutyrimidate is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including chromatographic purity analysis and identity confirmation, to ensure it meets the high standards required for research and industrial synthesis. A Certificate of Analysis (COA) detailing specific results for purity, assay, and impurity profiles is provided with every shipment to guarantee traceability and consistency.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) at 2-8°C to minimize oxidation and degradation. Keep the container in a cool, dry, and well-ventilated place, away from incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Assay (Titration)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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