L(+)-Cysteine, white powder Cell Culture Reagent

Supplier: MP BIOMEDICALS (FKA ICN BIOMED
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Synonyms: H-Cys-OH(R)-(+)-Cysteine(R)-2-Amino-3-mercaptopropanoic acid

0219464680 0219464625
76177-774EA 166.58 USD
76177-774 76177-772
L(+)-Cysteine, white powder Cell Culture Reagent
L(+)-Cysteine

Storage: Store at Room Temperature (15-30 °C). Store Desiccated. Store under nitrogen.
L-Cysteine is a proteinogenic amino acid incorporated into proteins as directed by the genetic code. The thiol-side chain participates in a variety of oxidation/reduction reactions within the cell. The side chain participates in the formation of β bonds that modulate the secondary and ternary structure of proteins. Cysteine is essential and limiting for the formation of glutathione, an important antioxidant, within the cell.
Cysteine has been used in pulse-chase experiments to study protein expression from an inducible promoter. L-Cysteine is used to supplement cell culture media.
NMDA glutamatergic receptor agonist.


  • Cell Culture Reagent Grade
  • Presentation: White Powder
  • Soluble in water: 25 mg/mL - Clear, Colorless Solution.

Formula: HSCH₂CH(NH₂)CO₂H
MW: 121.16 g/mol
Melting Pt: 200…235 °C (dec.)
Storage Temperature: Ambient
MDL Number: MFCD00064306
CAS Number: 52-90-4

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Specification Test Results

Identity Test Passes
FTIR Conforms to Standard
Optical Rotation (c=2, 1N HCl)
7 - 13° pH (5% aq soln)
4-8

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