Arsenic (As) Back Catalog number: 59785 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10534.28-100-IO 25-Hydroxyvitamin D2 (95%) Price on request 2289.8-1G Phthalic acid, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 88-99-3 Price on request 9354.9-50MG DL-Nornicotine, neat, Solvent-neat, Unit 50mg, # of units-1, Cas.no. 5746-86-1 Price on request