ASTM D-3230-89 Back Catalog number: 50223 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3355.11-100-AN 2,4-DB methyl ester Price on request X9024 delta-BHC Price on request 0743.11-K-IO 6-Methyltetraline, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1680-51-9 Price on request