L-(-)-Fucose

L-Fucose, abundant in seaweed and breast milk, participates in cellular glycosylation, regulates immunity and repairs intestinal tracts, and is widely applied in food, pharmaceutical and skincare industries.

L-(-)-Fucose

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L-(-)-Fucose

L-(-)-Fucose

Chemical Name:L-(-)-Fucose
CAS Number:2438-80-4
Molecular formula:C6H12O5
Mol. Weight:164.16 g/mol
Application Notes:HPLC≥98.0%
Appearance:White crystalline powder

L-Fucose

CAS No.: 2438-80-4

L-Fucose is a natural rare deoxy monosaccharide, also known as 6-deoxy-L-galactose, widely present in human milk oligosaccharides. It is white crystalline powder, freely soluble in water.


AppearanceWhite powder
Purity98%
Molecular Weight164.16 g/mol
StorageStore at room temperature in sealed container
Shelf Life

36months


1. Food additive to improve food flavor and mouthfeel. 

2. Applied in pharmaceutical R&D. In biopharmaceuticals, L-Fucose plays a vital role in the production of monoclonal antibodies. It can also be used as an excipient in pharmaceutical formulations to improve drug stability, solubility and bioavailability. Additionally, it is of great significance for the early diagnosis of liver cancer and screening of high-risk populations for liver diseases. 

3. It can boost the moisturizing effect and adhesion performance of cosmetic products. 

4. L-Fucose serves as an essential research tool in glycobiology, cell signal transduction, immune response and other fields. It can be used as enzyme substrates or inhibitors to study the activity, structure and functions of enzymes related to L-fucose metabolism.

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