Amino Acid L-Leucine

Post Date:
Apr 29,2015
Expiry Date:
Oct 26,2015
Detailed Description:
Cas No. :61-90-5 Quantity: 50Kilograms
Specs:25 Kg per Drum
Price:0.1 USD Metric Tons
Payment Method: T/T before shipment, or L/C at sight
Xinjiang Fufeng Biological Technology Co.,Ltd.
Specification of L-Leucine

[CAS No.]: 61-90-5
[Molecular Weight]: 131
[Chemical Formula]: C6H13NO2

Items Specification
Description White crystals or crystalline powder
Assay 98.5%-101%
Identification(IR absorption) Corresponding to Reference Spectrum
PH 5.5-7.0
Specific Rotation[α]D20 +14.9°～+17.3°
Residue on Ignition ≤0.4%
Loss on Drying ≤0.2%
Chloride (Cl) ≤500ppm
Iron(Fe) ≤30ppm
Sulfate ( SO4) ≤300ppm
Heavy Metals ≤15ppm
Lead (Pb) ≤5ppm
Arsenic（As） ≤3ppm
Cadmium (Cd) ≤1ppm
Mercury (Hg) ≤1ppm
Total Plate Count ≤5000cfu/g
Yeast and Molds ≤100cfu/g
E.Coli Negative in 10g
Staphylococcus Aureus Negative in 10g
Salmonella Negative in 10g
Organic Volatile Impurities Meets the requirements.
CAS Registry Number:
61-90-5
Synonyms:
;(S)-2-Amino-4-methylpentanoic acid;H-Leu-OH;L-Leu;L(+)LEUCINE;Leucine;
Molecular Formula:
C₆H₁₃NO₂
Molecular Weight:
131.17
Molecular Structure:
Safety Description:
S24/25:;

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