L-Histidine HCl CAS 645-35-2 High Quality Good Price
Product Description
Chemical Name: L-Histidine hydrochloride monohydrate
CAS No.: 5934-29-2
Molecular Fomula:C6H12ClN3O3
|
Analysis tests |
Standard |
Results |
|
Appearance |
White crystals or crystalline powder |
Conforms |
|
Specific rotation [α]D 25 |
+8.5°~+10.5° |
+9.0° |
|
Chloride(Cl) |
16.7~17.1% |
16.9% |
|
Sulfate(SO4) |
0.030% max |
0.03% max |
|
Ammonium(NH4) |
0.030% max |
0.03% max |
|
Iron(Fe) |
15ppm max |
15ppm max |
|
Heavy metals(Pb) |
15ppm max |
15ppm max |
|
Arsenic(As2O3) |
1ppm max |
1ppm max |
|
Loss on drying |
0.20% max |
0.15% |
|
Residue on ignition |
0.10% max |
0.05% |
|
Other amino acids |
No Spot |
Conforms |
|
Assay |
98.5~100.5% |
99.3% |
|
pH |
3.5~4.5 |
3.5~4.5 |
|
Conclusion :This Batch Is Conforming With The Standard Of USP32 |
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