515.4 Stock Standard Back Catalog number: 96890 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 96501 Fentanyl-D5 Price on request 2502.15-K-IP 4-Ethylphenol-d9-PFB, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. Price on request 681511 2,4,5-T-methyl ester, 250mg Price on request