Cations Std. Level 1 Back Catalog number: 59906 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3178.9-K-IO Ethyl heptanoate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 106-30-9 Price on request 11257.14-100-AN 2,4'-DDE-d8 (dichloropropyl-d4), 100µg/mL in AL, 1ml Price on request 677213 Pyraclostrobin, 100 µg/ml, Cyclohexane, 1ml Price on request