Description

S-Methylmethionine is a naturally occurring sulfonium compound, also known as Vitamin U, with the CAS registry number 13065-25-3. This versatile intermediate is valued for its role in biochemical pathways and its applications in promoting health and wellness. It is primarily sought by manufacturers in the pharmaceutical, nutraceutical, and dietary supplement industries for its beneficial properties.

Application

• Pharmaceutical Intermediates: Used in the synthesis of specialized active pharmaceutical ingredients (APIs) and therapeutic compounds.
• Nutraceuticals & Dietary Supplements: Incorporated into formulations for gastrointestinal health support and as a source of bioavailable methyl groups.
• Biochemical Research: Serves as a crucial reagent and standard in metabolic studies, enzymology, and nutritional science research.
• Animal Nutrition: Applied in premium feed additives to support animal gut health and overall well-being.
• Cosmeceuticals: Utilized in advanced skincare products for its potential soothing and protective benefits.

Basic Information

Product Name	S-Methylmethionine
CAS No.	13065-25-3
Molecular Formula	C6H13NO2S
Molecular Weight	163.24 g/mol
Synonyms	S-Methyl-L-methionine; Vitamin U; (3-Amino-3-carboxypropyl)dimethylsulfonium; L-Methionine S-methylsulfonium; Methylmethionine sulfonium; SMethylmethionine; Dimethylsulfonium methionine; SMM
EINECS	235-965-9

Quality Control

Our S-Methylmethionine is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets exacting standards for pharmaceutical and nutraceutical use. Certificates of Analysis (COA) documenting all critical parameters are available upon request.

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). Due to its hygroscopic nature, the container must be kept tightly sealed to exclude moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference standard
Assay (HPLC)	≥ 98.0%
Optical Rotation	-30.0° to -35.0° (c=1 in H2O)
Loss on Drying	≤ 1.0%
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.