Phthalazone Back Catalog number: 73504 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8996.21-100-ME Corticosterone, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 50-22-6 Price on request 79411 2,4-D, butoxyethanol ester Price on request 59345 Perchlorate (ClO4-) Price on request