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
gn chemicals co., ltd. is a fast growing pharmaceutical raw materials company in china. we are bulk drugs researcher, supplier, distributor & exporter. we specialize in vitamin series products, antibiotic products and plant extracts. it is remarkable that we are now one of the largest exporters of vitamin b12&vitamin c in china. relying on our own r&d center in shijiazhuang city, we try to satisfy strict demands from customers and also provide good suggestions based on own technology.
moreover, in order to support the continuous growth of our customers, we have strategically set up warehouses in new york, hamburg & hong kong for just-in-time deliveries.
metformin hcl 1115-70-4 1.1-dimethylbiguanide hydrochloride usp standard
metformin hydrochloride
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detail:
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specification:
test item |
standards required |
characters appearance identification a:ir-spectrum b identification test
test related compounds cyanogunadine(imp.a) any other impurity total impurities heavy metals loss on drying residue on ignition residual solvent methanol assay |
white crystal
complies with reference spectrum it meets the requirements of the test for chloride
<621> ≤0.02% ≤0.1% ≤0.5% ≤0.001% ≤0.5% ≤0.1% ≤3000ppm 98.5 - 101.0% |