11 DESCRIPTION
Sufentanil Citrate Injection, USP is a sterile, nonpyrogenic solution of sufentanil citrate in water for injection. Sufentanil Citrate is a potent opioid analgesic which is administered either epidurally or by intravenous injection.
Each mL contains sufentanil citrate equivalent to 50 mcg of sufentanil. May contain sodium hydroxide and/or hydrochloric acid for pH adjustment. pH 4.2 (3.5 to 6.0).
The solution contains no bacteriostat, antimicrobial agent or added buffer and is intended for use only as a single-use injection. When smaller doses are required, the unused portion should be discarded in an appropriate manner.
Sufentanil Citrate, USP, occurs as a white crystalline powder and is chemically designated as N-[-4-(methyoxymethyl)-1-[2-(2-thienyl)ethyl]-4-piperidinyl]-N-phenylpropanamide 2-hydroxy-1,2,3-propanetricarboxylate (1:1).
The molecular formula of sufentanil citrate is C22H30N2O2S∙C6H8O7 and the molecular weight is 578.69. Sufentanil Citrate has the following structural formula:
