L-Isoleucine

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1 Kilogram	FOB Price: USD 1.0000

1 Kilogram

FOB Price: USD 1.0000

L-Isoleucine 2-Amino-3-methylvaleric acid CAS:73-32-5

Product Name: L-Isoleucine
Molecular Formula： C6H13NO2
Molecular Weight： 131.17
CAS No： 73-32-5

Testing Item	Standard	Result
Appearance	White crystals or crystalline powder	conforms
Assay/%	98.5%~101%	99.60
Specific Rotation	+38.9~+41.8°	+40.5°
Identification (Infrared Absorption)	Corresponding to Reference Spectrum	conforms
Residue on Ignition/%	≤0.30	0.06
Loss on Drying	≤0.3	0.07
Chloride (Cl)/%	≤0.05	0.016
Iron (Fe)/%	≤0.0030	0.0009
Sulfate ( SO4)/%	≤0.03	0.015
Heavy Metal(Pb)/%	≤0.0015	0.0008
Arsenic(As)/%	≤0.0003	≤0.0001
Cadmium (Cd)/%	≤0.0001	0.00004
Mercury (Hg)/%	≤0.0001	0.00003
Total Plate Count(cfu/g)	≤1000	69
Yeast and Molds(cfu/g)	≤100	11
E.Coli	Negative in 10g	conforms
Staphylococcus Aureus	Negative in 10g	conforms
Salmonella	Negative in 10g	conforms
Loss on Drying/%	≤0.30	0.17
PH	5.5~7.0	6.2