Thiofentanil is discontinued (DEA controlled substance). Thiofentanil is a synthetic analgesic with pharmacological effects similar to etorphine hydrochloride. References: Li M, Zheng JW, Liu YH, Zhang JL, Liu LN, Cai ZJ. [Experimental study on the principal effects and dependence potential of thiofentanil]. Yao Xue Xue Bao. 1991;26(4):241-5. Chinese. PubMed PMID: 1683505.

纯度：≥98%

CAS：60771-38-2