Metals Mix Back Catalog number: 59518 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 50764 Multi-Component Mix Price on request 10207.11-100MG n-Butyl 4-hydroxybenzoate, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 94-26-8 Price on request 9280.16-100-ME DL-Propranolol hydrochloride, 100µg base/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 318-98-9 Price on request