Base/Neutral Standard Back Catalog number: 93175 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended LGC2609 Tin - DSC calibration standard, 500mg Price on request 675720 Heptachlor-exo-epoxide, 100 µg/ml, Ethyl acetate, Price on request 673429 Pymetrozine, 100 µg/ml, Acetonitrile, 5ml Price on request