Caffeine Back Catalog number: 95602 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10635.12-50-NN 1,2,3,7,8,9-Hexachlorodibenzofuran ,50 µg/mL,n-nonane,1mL, Price on request 1569.18-K-ME Norcodeine, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 467-15-2 Price on request 9941.27-10MG Cholest-5-en-3ß-ol-d6 , neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 92543-08-3 Price on request