-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 -> L Group Amino Acids
L-Histidine CAS:71-00-1<< BACK
ItemLimit
AppearanceWhite Crystalline Powder
Specific Rotation [20/D]+12.0º to +12.8º
State of Solution(Transmittance)98.0% Min
Chloride (Cl) 0.020% Max
Ammonium (NH4)0.02% Max
Sulfate (SO4)0.020% Max
Iron (Fe)10 PPM Max
Heavy Metals (Pb) 10 PPM Max
Arsenic (As2O3)1 PPM Max
Other Amino Acids0.5% Max
Loss on Drying 0.20% Max
Residue on Ignition (Sulfated)0.10% Max
pH 7.0 to 8.5

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