Caffeine Back Catalog number: 96175 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10538.8-1G Triethylene glycol dimethyl ether Price on request 9348.17-100-ME Omeprazole, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 73590-58-6 Price on request 1024.18-100-T Chrysene-d12, 100µg/mL in Toluene, 1ml Price on request