Tizanidine Hydrochloride

We are offering tizanidine hydrochloride.
synonyms : 5-chloro-n-(4,5-dihydro-1h-imidazol-2-yl)-2,1,3-benzothiadiazol-4-amine monohydrochloride; 5-chloro-4-(2-imidazolin-2-ylamino)-2,1,3-benzothiadiazole hydrochloride; sirdalud; ternelin; tizan; zanaflex
cas registry number : 64461-82-1
molecular formula : c9h8cln5s . Clh
molecular weight : 290.17
specification of tizanidine hydrochloride
description :- off white to light yellow color powder
solubility:- soluble in methanol and water
identification:- by ir
melting point:- 285oc to 290oc
acidity: - ph of 5% w/v solution is 3.5 to 5.0
heavy metals :- not more than 20ppm
loss on drying :- not more than 0.5%
sulphate ash :- not more than 0.2%
clarity & color of solution:- a5% w/v solution in water is clear and free from visible foreign particles and absorbance at 420nm is not more than 0.25
related substances by hplc:-1] individual impurity : not more than 0.2 %
2] total impurities : not more than 1.0 %
assay by hpcl:- not less than 98.0 % and not more than 102.0 % w/w of c9h8cin5s. hcl calculated on dried basis.