13C4-Fipronil, 100 µg/ml, Acetonitrile, 1ml Back Catalog number: 681587 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 92368 MA - VPH Surrogate Spike Price on request 2543.20-K-ME Amitriptyline hydrochloride, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 549-18-8 Price on request 9033.12-50-IO 2,2',3,3',4,4',5,5',6-Nonabromodiphenyl ether, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 63387-28-0 Price on request