L-Cystine dihydrochloride 30925-07-6

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Key Properties & Advantages ofL-Cystine dihydrochloride

1. Solubility Boost
   • Free L‑cystine: ~0.11 mg/mL in water (25 °C)
   • L‑cystine dihydrochloride: ~50 mg/mL in 0.5 M HCl
   • Critical for preparing concentrated stock solutions in cell culture.
2. Stability
   • Less prone to oxidation and degradation than free cysteine.
   • Maintains activity during long‑term storage and sterilization.
3. Biological Activity
   • Serves as a source of cysteine for protein synthesis and glutathione (GSH) production.
   • Acts as an Nrf2 inducer, reducing reactive oxygen species (ROS) and protecting cells from oxidative stress.
   • Supports disulfide bond formation, essential for protein folding and stability.

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