Group I Elements Starter Kit Back Catalog number: 52253 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 682767 p-Anisidine, 1000mg Price on request 10588.28-100-IO Didecyl phthalate-3,4,5,6-D4 Price on request 11908.20-1G Fluorescein (free acid),neat,neat,1g, Price on request