L-Leucine 98.5-101.5%



Leucine is a branched-chain α-amino acid . Leucine is classified as a hydrophobic amino acid due to its aliphatic isobutyl side chain.

  • amino acid
  • organic synthesis

Minimum Assay: 98.5-101.5% (dried basis)
Molecular Formula: C6H13NO2
Molecular Weight: 131.18
Melting Point: >300 deg C
Specific Rotation [0]D20: 14.9-17.3 deg
pH; 5.5 – 7.0
Chloride (Cl): <0.05%
Heavy Metals (as Pb): <15ppm
Sulfate (SO4): <0.03%
Chromatographic Purity: Conforms to standard
Loss onf drying (105 deg for 3h): <0.2%
Residue on Ignition: <0.4%
Mesh Size: 95% through 80 mesh
50% through 100 mesh
Iron (Fe): <30ppm
Allegerns: None


Coliforms: <10cfu/g
Total Plate Count: <1000cfu/g
Yeasts: <100cfu/g
Staphylococcus aureu: negative/25g
Salmonella: negative/375g
Escherichia Coli: negative/25g

Hazard Phrases: Not considered harmful under normal laboratory conditions

Cas No: 61-90-5
Einecs No: 200-522-0


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Additional information

Weight N/A
Pack Size

25gm, 100gm, 500gm