Alfentanil HCl hydrate was discontinued. References: Jaime C, Virgili A, Portillo S, Caparrós A, Burusco KK. Configuration and conformation of alfentanil hydrochloride. Conformational study by NMR and theoretical calculations. Magn Reson Chem. 2014 Aug;52(8):440-7. doi: 10.1002/mrc.4085. Epub 2014 Jun 3. PubMed PMID: 24889875.

纯度：≥98%

CAS：70879-28-6