Brifentanil is a narcotic analgesic and is not available at this time (DEA controlled substance). References: Kvalo LT, Wilhelm JA, Edfort MJ, Venturella VS. Determination of [3H]brifentanil, a potent narcotic analgesic, from rat serum by high-performance liquid chromatography with on-line radioactive detection. J Chromatogr. 1991 Apr 19;565(1-2):391-9. PubMed PMID: 1874883.

纯度：≥98%

CAS：101345-71-5