4,4’-DDD Back Catalog number: X9054 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 12135.12-100-ME Chlorfenvinfos-Z,100 µg/mL,MeOH,1mL, Price on request 94926 BNA LCS Spike Solution Price on request C-CCSEC-R PCB Calibration Solution, 100µg/ml in Acetone, 1ml Price on request