Phthalic anhydride Back Catalog number: 70431 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 93061 Phenanthrene - 80% Price on request 55062 WP & DMRQA Total Residual Chlorine Price on request 9246.12-50-IO 2,4-Dibromodiphenyl ether, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 171977-44-9 Price on request