Amino Acids for Culture Medium L-Valine L-Valine
L-Valine
CP2020
EP11
USP2023
Assay
≥98.5%
98.5-101.0%
98.5-101.5%
PH
5.5-6.5
/
5.5-7.0
Specific rotation[a]D20
+26.6°-+28.8°
+26.5°-+29.0°
/
Specific rotation[a]D25
/
/
+26.6°-+28.8°
Transmittance(T430)
≥98.0%
/
/
Appearance of solution
/
clear & colorless ≤BY6
/
Chloride(Cl)
≤0.02%
≤0.02%
≤0.05%
Ammonium(NH4)...