D-histidine

We are D-histidine CAS:351-50-8 manufacturer and supplier in China, Pls send inquiry of to info@nbinno.com of visit www.nbinno.com our official website should you have any interests

Solubility in water Colorless & clear (c=3)
Specific rotation [α]D20 -11.8°~-12.8°(c= 11, 6M-HCl)
Loss on drying Not more than 0.3%
Residue on ignition (as sulfate) Not more than 0.1%
Chloride (Cl) Not more than 0.02%
Sulfate (SO4) Not more than 0.03%
Heavy metals (as Pb) Not more than 10ppm
Iron (Fe) Not more than 10ppm
Ammonium (NH4) Not more than 0.02%
Arsenic (As2O3) Not more than 1ppm
Other amino acids Not detected by T.L.C.(The spotted amount, 20μg)
Assay 98.5%~101.0%
L-Isomer Not more than 0.5%


D-histidine


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