Tizanidine Hydrochloride is the hydrochloride salt form of tizanidine, an imidazoline derivative structurally similar to clonidine and an adrenergic agonist with muscle relaxant property. Tizanidine’s molecular formula is CHClNS.HCl, its molecular weight is 290.2 and its structural formula is: Tizanidine tablets USP, is supplied as 2 mg and 4 mg tablets for oral administration. Page 3 of 27 PrTIZANIDINE Tizanidine Hydrochloride Tablets USP PART I: HEALTH PROFESSIONAL INFORMATION SUMMARY PRODUCT INFORMATION Route of Administration Tizanidine's molecular formula is C H CIN S-HCl, its molecular weight is 290.2 and its structural formula is: Tizanidine tablets USP are supplied as 2 and 4 mg tablets for oral administration. Analysis Note These products are for test and assay use only. They are not meant for administration to humans or animals and cannot be used to diagnose, treat, or cure diseases of any kind. Page 4 of 28 WARNINGS AND PRECAUTIONS General Hypotension Tizanidine HCl is an α2-adrenergic agonist (like clonidine) and can produce hypotension. We are ISO 9001:2008 & GMP Certified manufacturer and exporter of Tizanidine HCL - USP. View All Manufacturers & Suppliers of TIZANIDINE HCL API with Drug Master Files (DMF), CEP/COS, Japanese DMFs, Written Confirmation (WC) details listed on PharmaCompass.com List of all Manufacturers, Suppliers & Exporters of TIZANIDINE HCL API listed on PharmaCompass with details of regulatory filings Taking tizanidine with other drugs that make you sleepy or slow your breathing can cause dangerous side effects or death. Ask your doctor before taking a sleeping pill, narcotic pain medicine, prescription cough medicine, a muscle relaxer, or medicine for anxiety, depression, or seizures. Tizanidine’s molecular formula is C 9 H 8 ClN 5 S-HCl, its molecular weight is 290.2 and its structural formula is: Tizanidine tablets are supplied as 2 mg and 4 mg tablets for oral administration.