2,2',3,4',5',6-Hexachlorobiphenyl (149) Back Catalog number: 63149 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended D450653-50MG Dihydroergotamine (+)-Tartrate Salt (2:1), 50mg Price on request 73002 Sodium L-lactate Price on request 92214 8082LCS / Matrix Spike Price on request