Description

Carboxymethyl Methanethiosulfonate is a specialized organosulfur compound with a reactive methanethiosulfonate group. This chemical matters as a versatile intermediate and reagent, particularly valuable for introducing thiol-reactive groups or for use in click chemistry and bioconjugation applications. Industries that need it include pharmaceutical research, agrochemical synthesis, and materials science for developing novel polymers and functional surfaces.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs) and prodrugs, particularly those requiring targeted sulfur-based functionalization.
• Bioconjugation Reagent: Serves as a key reagent for modifying proteins, peptides, and antibodies, enabling the attachment of probes, drugs, or polymers.
• Polymer Chemistry: Acts as a functional monomer or cross-linking agent in the production of specialty polymers with tailored properties.
• Agrochemical Synthesis: Employed as a building block in the development of novel herbicides, fungicides, and plant growth regulators.
• Chemical Research: Utilized in organic synthesis as a protected thiol equivalent or for creating disulfide bonds under controlled conditions.
• Surface Modification: Applied to modify material surfaces to introduce specific chemical functionalities for improved adhesion or biocompatibility.

Basic Information

Product Name	Carboxymethyl Methanethiosulfonate
CAS No.	13700-15-7
Molecular Formula	C3H6O4S2
Molecular Weight	170.21 g/mol
Synonyms	Carboxymethyl methylthiosulfonate; (Carboxymethylsulfanyl)methanesulfonic acid; S-(Carboxymethyl) methanethiosulfonate; Acetic acid, 2-[(methylsulfonyl)thio]-; 2-[(Methylsulfonyl)thio]acetic acid; MTSEA-acid; MTS-acetic acid; Sodium carboxymethyl methanethiosulfonate (salt form)
EINECS	Contact for details

Quality Control

Our Carboxymethyl Methanethiosulfonate is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation by IR and NMR spectroscopy, to ensure it meets the high standards required for research and industrial synthesis. Certificates of Analysis (COA) detailing all specifications are available upon request.

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). Keep away from heat, sparks, and open flame. Due to its light-sensitive nature, handling and storage should minimize exposure to light.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Water Content (KF)	≤ 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.