L-Valine Valine Amino acid
USP standard
L-Valine
Sense |
White crystalline or crystalline powder |
Specific rotation |
+26.6° to +28.8° |
Transmittance |
≥99% |
Loss on drying |
≤0.2% |
Other amino acids |
≤0.08% |
L-ala(alanine) |
≤0.03% |
L-lle+L-leu |
≤0.05% |
Assay (HPLC) |
≥98.5% |
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