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Fudosteine is a medication that belongs to the class of drugs known as mucolytics. It is primarily used to treat respiratory diseases characterized by excessive mucus production, such as chronic bronchitis and bronchial asthma. The drug works by breaking down the disulfide bonds in mucoproteins, which helps to reduce the viscosity and adhesiveness of mucus, making it easier to expel.

Fudosteine exerts its effects by cleaving the disulfide bonds in mucoprotein molecules. This action breaks down the mucus, reducing its viscosity and adhesiveness. By making the mucus less sticky and easier to expel, Fudosteine helps to improve respiratory function and alleviate symptoms associated with excessive mucus production.
It is commonly prescribed for the management of chronic bronchitis, bronchial asthma, and other respiratory diseases where there is an accumulation of thick mucus in the airways. In some cases, it may also be used off-label for other conditions under close medical supervision.
English name: | Fudosteine |
English alias: | (R)-2-Amino-3-(3-hydroxypropylthio)propionic acid; S-(3-hydroxypropyl)-L-cysteine; S-(3-hydroxypropyl)cysteine |
CAS Number: | 13189-98-5 |
EINECS Number: | 1592732-453-0 |
Molecular formula: | C6H13NO3S |
Molecular weight: | 179.2373 |
InChI: | InChI=1/C6H13NO3S/c7-5(6(9)10)4-11-3-1-2-8/h5,8H,1-4,7H2,(H,9,10) |
Density: | 1.301g/cm3 |
Boiling point: | 354.5°C at 760 mmHg |
Flash point: | 168.2°C |
Steam pressure: | 1.92E-06mmHg at 25°C |