Phenolics Standard Back Catalog number: 93732 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended M0220 4,4'-Diaminodiphenylmethane, >98%, 25g Price on request 11191.22-100-ME Sildenafil-d8 (piperazine-d8),100 µg/mL,MeOH,1mL Price on request 1700-0600 Artificial Urine Medium, Stabilized, 200mL Price on request