Diphenhydramine Back Catalog number: 96591 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8860.8-K-IO 2-Methylthio-3-isopropylpyrazine, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no. Price on request 2129.12-K-IO Arochlor 1260 , 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 11096-82-5 Price on request S274982 Serotonin-d4 Hydrochloride, 2,5mg Price on request