Arsenic (As) Back Catalog number: 59565 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended T922700 L-Thyronine, 50mg Price on request 12137.16-100-ME Difenoxuron,100 µg/mL,MeOH,1mL, Price on request 70818 Propargite Price on request