Methylarsonic acid (As) Back Catalog number: 50668 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 70214 2-Methylnaphthalene Price on request 0316.21-200-T Dibenz[c,h]acridine, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 224-53-3 Price on request IBPO002 Indigotine (E 132), 1g Price on request