Method 504.1LFB Mix Back Catalog number: 94019 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 73637 d,l-MDEA Price on request 2126.12-K-IO Arochlor 1242 , 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 53469-21-9 Price on request 72334 2-(Methylthio)benzothiazole Price on request