新疆阜丰生物科技有限公司
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产品名称： L-Leucine Cas No.： 61-90-5 规格:： 98.5-101% 价格： 1元/ 发布日期:： 2015-04-16 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.
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