Hewitt, M.; Madden, J.C.; Rowe, P.H.; Cronin, M.T.D. Structure-based modelling in reproductive toxicology: (Q)SARs for the placental barrier. SAR QSAR Environ. Res. 2007, 18, 57-76.

Compound

	ID:	11
	Name:	Alfentanil
	Description:
	Labels:
	CAS:	71195-58-9
	InChi Code:	InChI=1S/C21H32N6O3/c1-4-19(28)27(18-9-7-6-8-10-18)21(17-30-3)11-13-24(14-12-21)15-16-26-20(29)25(5-2)22-23-26/h6-10H,4-5,11-17H2,1-3H3

Properties

CI: Clearance Index

Value	Source or prediction
0.75	experimental value
0.80669	Eq.3: QSAR model to predict placental transfer (Training set)