Caffeine Back Catalog number: 79397 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10938.20-K-ME EDDP-d3 perchlorate,1000 µg/mL (as pyrrolinium) ,MeOH,1mL, Price on request 675273 Pyrimidifen, 10mg Price on request 676371 Heptadecafluorononanoic acid, 100mg Price on request