USD $1.00-1.00 / Kilogram
USD $10.00-10.00 / Gram
USD $20.00-40.00 / Kilogram
USD $3.00-10.00 / 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
specification
items |
specifications |
results |
appearance |
white powder |
white powder |
identification |
h-nmr spectrum |
conforms |
assay(hplc) |
≥95% |
99.69% |
maximum single impurity |
≤2% |
0.31% |
total impurity |
≤5% |
0.31% |
water content |
≤2% |
0.4% |
specific rotation |
+55°~+59° |
+57.5° |
heavy metals |
≤10ppm |
conforms |
residual solvents |
|
|
methanol |
≤1000ppm |
80ppm |
conclusion: the product conforms to the above specifications |