USD $9.00-99.00 / Kilogram
USD $9.00-99.00 / Kilogram
USD $9.00-99.00 / Kilogram
USD $9.00-99.00 / Kilogram
USD $9.00-99.00 / Kilogram
USD $9.00-99.00 / Kilogram
USD $9.00-99.00 / Kilogram
USD $9.00-99.00 / Kilogram
USD $9.00-99.00 / Kilogram
test items |
specification |
results |
description |
light yellow or almost white crystalline |
light yellow powder |
identification |
ir |
positive |
assay |
97.0~103.0% |
99.37% |
melting point |
70~80°c |
70.5~76.5°c |
specific rotation |
+22~+26° |
+23.09° |
loss on drying |
0.5%max |
0.25% |
residue on ignition |
0.1%max |
0.05% |
heavy metals |
20ppm max |
<20ppm |
organic volatile impurities |
meets the requirement. |
conforms |
related substances |
single impurity: 1.0%max |
<1.0% |
|
total impurities: 2.0%max |