Description

Fudosteine is a synthetic amino acid derivative with mucolytic and antioxidant properties, primarily used as an active pharmaceutical ingredient (API). Its core value lies in its ability to effectively reduce the viscosity of mucus, making it a critical component in the formulation of respiratory therapeutics. This compound is essential for manufacturers in the global pharmaceutical industry developing treatments for chronic obstructive pulmonary disease (COPD), bronchitis, and other respiratory conditions characterized by excessive or thick mucus.

Application

• Primary Active Pharmaceutical Ingredient (API) in prescription cough suppressants and expectorants.
• Key component in the formulation of mucolytic drugs for treating chronic bronchitis and COPD.
• Used in clinical research for investigating new therapeutic agents for cystic fibrosis and other respiratory disorders.
• Incorporated into combination drug therapies for enhanced efficacy in clearing airway secretions.
• Potential raw material for developing novel antioxidant formulations due to its thiol group chemistry.
• Reference standard in analytical laboratories for quality control and pharmaceutical research.

Basic Information

Product Name	Fudosteine
CAS No.	13189-98-5
Molecular Formula	C5H11NO3S
Molecular Weight	165.21 g/mol
Synonyms	(-)-Fudosteine; (R)-2-Amino-3-(3-hydroxypropylsulfanyl)propanoic acid; (R)-2-Amino-3-(3-hydroxypropylthio)propionic acid; S-3-Hydroxypropyl-L-cysteine; L-Cysteine, S-(3-hydroxypropyl)-; FDX; FUSTEIN; Cleanal
EINECS	Contact for details

Quality Control

Our Fudosteine is manufactured under strict quality management systems. We provide material that meets high-purity standards suitable for pharmaceutical applications, with comprehensive testing to ensure identity, purity, and strength. Certificates of Analysis (COA) are available for each batch, detailing results against relevant pharmacopeial specifications (such as USP/EP) or custom client requirements.

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). This material is hygroscopic (moisture-sensitive) and must be kept in a dry environment to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to standard
Assay (HPLC)	98.0% - 102.0%
Specific Rotation	-18.0° to -22.0° (c=1 in H2O)
Related Substances (HPLC)	Total impurities ≤ 2.0%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm
Water Content (KF)	≤ 1.0%

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