|
Product name |
L-Histidine |
|
Brand name |
Chenming |
|
Country of origin |
China |
|
Manufacturer |
Luojiang Chenming biological Co.,Ltd |
|
Appearance |
white crystalline or crystals powder,slightly bitter taste |
|
CAS No. |
71-00-1 |
|
Purity |
99% |
|
Grade standard |
Feed grade,Food grade,Medicine grade |
|
Type |
Vitamins, Amino acids and Coenzymes |
|
Usage |
Pharmaceutical intermediates/ingredient/raw material |
|
MW |
155.1546 |
|
MF |
C6H9N3O2 |
|
Certificate |
AJI;USP;EP;COA; ISO |
|
Shelf Life |
24 months |
|
CERTIFICATE OF ANALYSIS |
||
|
Tests |
Limits |
Test results |
|
Description |
White crystals or crystalline powder |
conforms |
|
assay |
98.5～101.5% |
99.0% |
|
Specific rotation[a]D25 |
+12.6°～+14.0° |
+12.7° |
|
Chloride(Cl) |
≤0.05% |
<0.05% |
|
Sulfate(SO4) |
≤0.03% |
<0.03% |
|
Iron(Fe) |
≤30ppm |
<30ppm |
|
Heavy metals(Pb) |
≤15ppm |
<15ppm |
|
Loss on drying |
≤0.20% |
0.16% |
|
Residue on ignition |
≤0.40% |
0.087% |
|
Chromatographic purity |
conforms |
conforms |
|
Organic volatile impurities |
meets the requirements |
conforms |
|
PH |
7.0-8.5 |
7.85 |
