Amazon offers the ClosetMaid Pantry Cabinet in White for $41.27 with free shipping. (Target offers it for a similar price.) That's the lowest price we could find by $11. It includes two fixed and two adjustable shelves and measures 59.5" x 24" x 12.5". The laminated wood cabinet is CARB 93120-compliant.
Update: The price has increased at Amazon; however, Target still offers it for $41.49 with free shipping.