USD $10.00-100.00 / Kilogram
USD $10.00-100.00 / Kilogram
USD $1.00-1.00 / Kilogram
USD $1.00-1.00 / Kilogram
USD $10.00-100.00 / Kilogram
USD $11,000.00-12,000.00 / Metric Ton
usp 98.5%min
ropivacaine hydrochloride
appearance |
white powder |
identification (a) (b) |
|
color |
the absorbance at 405nm and at 436nm,the absorbance at 405nm is not more than 0.030,and the absorbance at 436nm is not more than 0.025. |
clarity |
meets the requirements |
ph |
4.5~6.0 |
related substance |
total impurity: ≤0.5% single impurity: ≤0.1% bupivacaine: ≤0.2% |
enantiomeric purity |
r enantiomer ≤0.5% |
water |
5.0%~6.0% |
heavy metals |
≤0.001% |
limit of 2,6-dimethylaniline |
≤10ppm |
specification |
-210.0°~-255.0° |
assay |
98.5%~101.0% |