USD $1.00-1.00 / 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
USD $9.00-99.00 / Kilogram
USD $9.00-99.00 / Kilogram
USD $15.00-50.00 / Kilogram
4-hydroxycoumarin
molecular formula: c9h6o3
cas no.: 1076-38-6
structural formula:
molecular weight: 162.14
use: it is a pharmaceutical intermediate used in the production of anticoagulants, it is also the antagonist of vitamine k. anticoagulant; it can also be used as a flavor.
appearance white to light yellow powder meltingpoint 210-216℃ purity ≥98% loss on drying ≤0.01% o-hydroxyacetophenone ≤0.1% 3-acetyl-4-hydroxycoumarin ≤0.2% 4-butoxyconmarin ≤0.15% specified impurity(r.t.28min) ≤0.1% other impurities(each) ≤0.1% |