Norbuprenorphine Back Catalog number: 96507 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3807.12-K-IO Mono-n-butyl phthalate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 131-70-4 Price on request 8966.25-100-T 3-Chloro-1,2-propandiol-2-monoerucidate Price on request 2900.27-600-HX Cholest-5-en-3ß-ol , 600µg/mL, Solvent-n-hexane, Unit 1mL, # of units-1, Cas.no. 57-88-5 Price on request