BTEX Standard Back Catalog number: 92975 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 53093 Trace Metals 2 Price on request 2693.6-K-IO 3,4-Dimethylthiophene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 632-15-5 Price on request 11990.21-100-AN 16alpha-Hydroxyprednisolone,100 µg/mL,acetonitrile,1mL, Price on request