SPL Set ID: 60c27d35-7349-4fc6-86ad-70fffdbe3e08
1 drug(s) with this SPL Set ID
Zanaflex ® contains tizanidine hydrochloride as the active ingredient, which is a central alpha 2 -adrenergic agonist. Its chemical name is 5-chloro-4-(2-imidazolin-2-ylamino)-2,1,3-benzothiadiazole monohydrochloride. It has a molecular formula of C 9 H 8 ClN 5 S-HCl and a molecular weight of 290.2. Its structural formula is: Tizanidine hydrochloride is a white to off-white, fine crystalline powder, which is odorless or with a faint characteristic odor. Tizanidine hydrochloride is slightly soluble in water and methanol; solubility in water decreases as the pH increases. Zanaflex capsules are for oral administration and contain 2, 4, or 6 mg tizanidine (equivalent to 2.29 mg, 4.58 mg, and 6.87 mg tizanidine hydrochloride, respectively), and the inactive ingredients colorants, gelatin, hypromellose, silicon dioxide, sugar spheres, and titanium dioxide. Zanaflex tablets are for oral administration and contain 4 mg tizanidine (equivalent to 4.58 mg tizanidine hydrochloride), and the inactive ingredients anhydrous lactose, colloidal silicon dioxide, microcrystalline cellulose, and stearic acid. Structural Formula