Top quality Betahistine dihydrochloride 5579-84-0 with reasonable price and fast delivery on hot selling !! CAS NO.5579-84-0

item

specifications

results

characteristies

a white or almost crystalline powder

pass

idenrification

ir similar to reference stand

pass

solubility

very soluble in water, soluble in ethar (96 per cent), penetically insoluble in 2 proparol

pass

related substarce 2-(2-hydroxyethyl)pyridine

not moer than 0.2%

0.03%

2-vinyly

not moer than 0.2%

0.04%

n-methyl-n,n-bis(2-pyridin-2-ylethyl) amine

not moer than 0.2%

0.16%

any other impurity

not moer than 0.1%

pass

total impurities

not moer than 0.5%

0.30%

clarity of solution (0.1g in 1µm) carbon dioxide free water

clear

pass

ph

2.0-3.0

2.5

loss on drying

not more than 1.0%

0.16%

residue on ignition

not more than 0.1%

0.05%

residue solvents

isopropanol: not more than 0.5%

undetected

assay

99.0%-101.0%

99.53%

conclusion

the results conforms with usp32