8260 Surrogates / Internals Standard Back Catalog number: 91515 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 672837 Diafenthiuron, 250mg Price on request 682801 alpha-Terpineol, 5ml Price on request A15644950AL-100 Norethisterone, 100µg/mL in Acetonitrile, 1ml Price on request