EPA Method 1666Labeled Standard Back Catalog number: 82491 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 66029 PCB No. 29, 100µg/ml in Isooctane, 1ml Price on request 55140 CWA Color Price on request 9811.15-10MG 4-Acetylpsilocin fumarate, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. Price on request