-L Group Amino Acids
-DL Group Amino Acids
-D Group Amino Acids
-APIs
-Acetyl Amino Acids
-Alkamines
-Amino Acids Amides
-Other Amino Acids and derivatives
-peptide series products
-Protected Amino Acids
-Amino Acid Esters
Position: Home -> Products -> D Group Amino Acids
D-Histidine CAS:351-50-8 << BACK
ItemLimit
Description White Crystal
IdentificationConforms
State of solution98.0% Max
PH 7.0 to 8.5
Specific Rotation [a]D20o+12.0 to +12.8 degree
Ammonium(NH4) 0.020% Max
Chloride(Cl)0.020% Max
Sulfate (SO4)0.020% Max
Iron(Fe) 10ppm Max
Heavy metals (Pb)10ppm Max
Arsenic (As2O3)1ppm Max
Loss on drying0.20% Max
Residue on ignition0.10% Max
Other amino acids0.5% Max
Assay99.0% to 101.0%

Copyright @ (2000-2008) Donboo Amino Acid Co.,Ltd. All rights reserved.
ADD: RM408 Hui Long Xin Chen Business Center, #106 Mid Zhong Xiu RD, Nantong, Jiangsu, China
TEL:0086-513-85517829 85515040 13063595538 FAX:0086-513-85515040 E-mail:donboo@donboo.com MSN:donboo@hotmail.com