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L-Lysine Base

CAS NO. 56-87-1
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Product Name L-Lysine Base (Free Base)
(Synonyms: (S)-2,6-Diaminohexanoic acid)
CAS NO. 56-87-1
Formula & Weight C6H14N2O2 (MW: 146.19)
Chemical Structure L-Lysine Base Structure
Specification (Pharma Grade)
  • Appearance: White crystalline powder

  • Assay (Dry Basis): 98.5% - 101.0%

  • Specific Rotation: +25.0° to +27.0°

  • Loss on Drying: ≤ 1.0%

  • Iron (Fe): ≤ 10 ppm

  • Chloride (Cl): ≤ 0.02% (Strict control)

Key Applications

Unlike standard Feed Grade HCL, L-Lysine Base is used for:

  • Peptide Synthesis: A crucial building block where the presence of Chloride ions is undesirable.

  • Pharmaceutical Intermediates: Used in the synthesis of advanced drug molecules (APIs) and auxins.

  • Nutrition: Used in specialized parenteral nutrition (IV fluids) and high-end infant formulas.

Packaging & Storage Packaging: 25kg Fiber Drum with double PE liner.
Storage: Very Hygroscopic. Store in a cool, dry place tightly sealed. Protect from light and humidity.

Sourcing L-Lysine Free Base?

Don't confuse it with the HCL salt. Royalchem provides genuine L-Lysine Base (CAS 56-87-1) for synthesis and pharma use.

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