13C3-Caffeine, 100 µg/ml, Methanol, 1ml Back Catalog number: 681491 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 680609 Fluopyram-benzamide, 100mg Price on request 70080 Chloromethyl methyl ether Price on request 2494.13-K-IO Mono-n-heptyltriethyltin, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 51283-39-7 Price on request