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Name: L-Leucine

Chemical Name: (S)-2-Amino-4-methylpentanoic acid 

Molecular Structure:

Molecular Formula:C 6 H 13 NO

Molecular Weight:131.17 

CAS No:61-90-5 Characteristics: White crystals or crystalline powder. Odorless, slightly bitter taste. Freely soluble in formic acid, sparingly soluble in water, very slightly soluble in ethanol or in ether, dissolves in dilute hydrochloric acid. 
Specification:
Product name L-Leucine
Item Specification (USP25)
Specific rotation + 14.9º-  +17.3º
Chloride (Cl) 0.05% Max.
Sulfate (SO4) 0.03% Max.
Iron (Fe) 30 ppm Max.
Heavy metals (Pb) 15 ppm Max.
Loss on drying 0.2% Max.
Residue on ignition 0.4% Max.
Assay 98.5-101.5%
PH 5.5-7.0
Organic volatile impurities Meets the requirements

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