Caffeine Back Catalog number: 96175 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2433.6-K-IPX5 2,4-Dinitrophenol-3,5,6-d3, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-5, Cas.no. 93951-75-8 Price on request 95129 11 VOC Mix, 200µg/ml in MeOH, 1ml Price on request 97297 Deuterated PAH Std., 2000µg/ml in MeChl, 1ml Price on request