2,3,5,6-Tetrachlorophenol, 1000µg/ml in MeChl, 1ml Back Catalog number: 70315 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 1899.17-K-ME Norcodeine hydrochloride, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 14648-14-7 Price on request 79339 Naled Price on request 1579.4-K-ME Metformin hydrochloride, 1000µg base/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 1115-70-4 Price on request