Project Description

L-Cysteine CasNo.: 52-90-4


  • CasNo.: 52-90-4

  • Synonyms: Cystein

  • Packing: 25kgs/bag

  • Qty in 20′ FCL: 8MTS(with pallets)

  • Origin: China

  • Chemical Properties: Check More

  • TDS Download
CharacterWhite Crystals with Slight Characteristic Smell
State of Solution95.0% Min
Heavy metals10ppm Max
SolubilityFreely soluble in water, methanol, ethanol, soluble in acetonitrile and chloroform
Clarity of the solutionNot more intensely opalescent than reference suspension II
Color of the solutionNot more intensely colored than reference solution Y1
Package25kg/Fiber Drum with double plastic container inside
StorageStore in a well-closed container Away from moisture.


L-Cysteine CasNo.: 52-90-4 is a semi-essential amino acid found naturally in the human body. Abundant in protein-rich foods, L-cysteine is also sold as a dietary supplement (sometimes just called cysteine). Along with the amino acids glutamine and glycine, cysteine is a building block of the powerful antioxidant glutathione. The body can make cysteine from the amino acids methionine and serine, but if these are in short supply, supplementing with L-cysteine can fill the gaps.


  1. L-Cysteine has effective detoxification.
  2. It can remove the skin melanin itself, change the nature of the skin itself. It can improve the symptoms of inflammation and skin allergies.
  3. It has a function to prevent biological aging.
  4. Cysteine is a kind of natural amino acid, has many uses in food processing, it is mainly used for baking products, as a necessary component of dough improver
  5. Cysteine is a kind of reductant, it can promote the formation of gluten, reduce the time needed for mixing and the energy required for medicinal. CasNo.: 52-90-4

L-Cysteine manufacturer

L-Cysteine manufacturer of China

Q:What’s the Minimum Order Quantity?

Q: How to Get Sample?
A: Sample within 500g could be sent for free once buyer’s DHL account is advised for freight collect or courier cost is paid. The courier cost could be deducted when bulk order is placed.

Q: What is Lead Time?
A: Generally, cargo could be loaded on ship in about two weeks after the date of receiving prepayment or L/C. Sometimes one week earlier or later.

Q: What’s the bulk Packing?
A:25kg/Fiber Drum with double plastic container inside. If pouch packing is in need, it could be customized.