USD $6.00-9.00 / Gram
USD $5.00-10.00 / Gram
USD $6.00-9.00 / Gram
USD $6.00-9.00 / Gram
USD $5.00-10.00 / Gram
USD $6.00-9.00 / Gram
USD $5.00-10.00 / Gram
USD $5.00-10.00 / Gram
USD $5.00-10.00 / Gram
items |
specification |
results |
---|---|---|
appearance |
white or almost white crystalline powder |
conforms |
identification |
ir,hplc |
conforms |
melting point |
198-203℃ |
198.4-200.3℃ |
specific rotation (10mg/ml methanol) |
-186°to -196°
|
-187.2° |
heavy metals |
≤20ppm |
conforms |
water |
≤0.5% |
0.1% |
sulphated ash |
≤0.1% |
0.06% |
limit of 1.2-dimethoxyethane limit of isopropyl ether |
≤0.2% ≤0.1% |
conforms conforms |
related substance(hplc) |
single impurity≤0.1% total inpurities≤0.4% |
0.05% 0.13% |
assay (anhydrous) |
98.0%-102.0% |
99.8% |
items |
specification |
results |
---|---|---|
appearance |
white or almost white crystalline powder |
conforms |
identification |
ir,hplc |
conforms |
melting point |
198-203℃ |
198.4-200.3℃ |
specific rotation (10mg/ml methanol) |
-186°to -196°
|
-187.2° |
heavy metals |
≤20ppm |
conforms |
water |
≤0.5% |
0.1% |
sulphated ash |
≤0.1% |
0.06% |
limit of 1.2-dimethoxyethane limit of isopropyl ether |
≤0.2% ≤0.1% |
conforms conforms |
related substance(hplc) |
single impurity≤0.1% total inpurities≤0.4% |
0.05% 0.13% |
assay (anhydrous) |
98.0%-102.0% |
99.8% |