Caffeine, 100 µg/ml, Methanol, 1ml Back Catalog number: 677301 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended L13120000IO Endosulfan (alpha + beta), 10µg/mL in IO, 10ml Price on request 12131.10-100-AN Chloridazon-d5,100 µg/mL,acetonirile,1mL, Price on request HCPN Hexachloro(phenyl)norbornene, 1.2ml x 50ug/ml, toluene Price on request