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L-PHENYLALANINE For Biochemistry

Product Code: 05200


Specifications

Appearance White or almost white crystalline powder
Assay (by HClO4 titration) Min 99%
Specific optical rotation ([α]20/D; 20 g/L; water; calculated on dried substances) -33.0° to -34.7°
Heavy metal (as Pb) Max 0.001%
Ammonium (NH4) Max 0.01%
Foreign amino acids Max 0.3%
Other ninhydrin positive substances (as glycine) Max 0.1%

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