PCB 99, 5mg Back Catalog number: 680853 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 1538.18-K-T Triphenylene-d12, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 17777-56-9 Price on request 1087.18-100-TX5 Benz[a]anthracene-d12, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-5, Cas.no. 1718-53-2 Price on request M324685 1-Methyl-4-nitro-5-thioimidazole, 1g Price on request