Method 508 Calibration Standard Back Catalog number: 94877 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8978.39-K-T 3-Chloro-1,2-propandiol-distearate-d5 Price on request 9269.22-100-ME Vitamin A-d5 acetate,100 µg/mL,MeOH,1mL Price on request 10366.8-100-ME Zonisamide-13C6 (ring-13C6),100 µg/mL,MeOH,1mL, Price on request