L-Leucine

Product Name: L-Leucine

Product Number: FL182

SIZE: 10G, 25G,100G ,500G

Molecular Formula: C6H13NO2                               

Molecular Weight: 131.17    

CAS: 61-90-5

TEST
SPECIFICATION
Appearance
White crystal or crystalline powder
Infrared spectrometry
Conforms
Purity
98.5 - 101.5 %
Loss on drying
<0.2 %
Heavy metals
<10 ppm
Sulfated ash
<0.1 %
Other amino acids
<0.5 % (TLC)
Specific rotation [a]20/D
+14.9° - +16° (c=4, 6 N HCl
Cl
< 200 ppm
SO4
< 200 ppm
NH4
< 200 ppm
Fe
< 10 ppm
Transmittance
>95 % (c=10, 2 N HCl, 430 nm) 1 cm cell
pH
5.5-6.5

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