USD $10.00-100.00 / Kilogram
USD $2.00-10.00 / Kilogram
USD $70.00-90.00 / Kilogram
USD $70.00-90.00 / Kilogram
USD $70.00-90.00 / Kilogram
USD $5.00-10.00 / Gram
USD $5.00-10.00 / Gram
USD $70.00-90.00 / Kilogram
items
|
specifications
|
results
|
appearance | white crystalline powder | white crystalline powder |
identification | the rt is same with standard sample in hplc system | conforms |
ph | 4.5 ~ 7.0 | 5.10 |
melting point | 153℃ ~ 158℃ | 154.5℃~155.5℃ |
optical rotation | -15° ~ -20° | -17.8° |
loss on drying | ≤ 0.50% | 0.10% |
heavy metal | ≤ 0.002% | conforms |
total impurities | ≤ 2.0% | 0.70% |
max impurity | ≤ 0.50% | 0.24% |
assay (anhydrous) | 98% min | 99.3% |
conclusion | this conforms to enterprise standard |
items
|
specifications
|
results
|
appearance | white crystalline powder | white crystalline powder |
identification | the rt is same with standard sample in hplc system | conforms |
ph | 4.5 ~ 7.0 | 5.10 |
melting point | 153℃ ~ 158℃ | 154.5℃~155.5℃ |
optical rotation | -15° ~ -20° | -17.8° |
loss on drying | ≤ 0.50% | 0.10% |
heavy metal | ≤ 0.002% | conforms |
total impurities | ≤ 2.0% | 0.70% |
max impurity | ≤ 0.50% | 0.24% |
assay (anhydrous) | 98% min | 99.3% |
conclusion | this conforms to enterprise standard |