Ammonia as N Back Catalog number: 59254 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3310.9-100 Ametryne, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 834-12-8 Price on request 20006 CLP Semi-Volatile Base/Neutral Surrogate Std Price on request 3282.21-K-IO Methyl 5,8,11,14,17-eicosapentaenoate (all-cis), 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 2734-47-6 Price on request