BTEX Standard Back Catalog number: 98418 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended C16405200 1,2-Propanediol, certified, 1ml Price on request 9839.19-K-ME Phenylbutazon, 1000ug/ml, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 50-33-9 Price on request 72297 Dimethyl ether Price on request