Phthalic anhydride Back Catalog number: 70431 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended TCDT-83 2,3,7,8-Tetrachlorodibenzothiophene, 1.2ml x 50ug/ml, toluene Price on request 3151.4-K-IO Methyl trianoate (Methyl propionate), 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 554-12-1 Price on request 67015 Sulfa Drugs Price on request