USD $100.00-100.00 / Kilogram
USD $10.00-90.00 / Kilogram
USD $8.80-8.80 / Gram
USD $10.00-90.00 / Kilogram
USD $2.00-2.00 / Gram
USD $1.00-10.00 / Kilogram
USD $2.00-2.00 / Gram
USD $2.00-2.00 / Gram
good quality
competitive price
on time delivery
specification:
test items | specifications | results | |||
characters | white or practically white,crystalline powder | white crystalline powder | |||
identification | ir conform | conform | |||
solubility | freely soluble in water, in dimethylformamide, and in methanol;soluble in alcohol;practically insoluble in acetone | conform | |||
crystallinity | conform | conform | |||
ph | 3.0~5.5 | 3.9 | |||
water | 3.0%~6.0% | 4.0% | |||
related compounds | ≤2.0% clindamycin b | 0.87% | |||
≤4.0% 7-epiclindamycin | 0.66% | ||||
≤1.0% any other individual related compound | 0.19% | ||||
≤6.0% total of all related compound | 2.2% | ||||
residual solvents | acetone ≤5000ppm | 91ppm | |||
ethanol ≤5000ppm | no detected | ||||
n,n-dimethylformamide≤880ppm | no detected | ||||
chloroform≤60ppm | no detected | ||||
assay | not less than 800μg of clindamycin (c18h33cln2o5s)per mg | 862 μg/mg |
package:25kg/drum or as your request.
storage situation: stored in a cool and dry well-closed container. keep away from moisture and strong light/heat.
shelf life: two years when properly stored.
delivery: within two weeks after receiving your prepayment.