Quick view Compare Add to Cart The item has been added 205548-500GM Caffeine - CAS 58-08-2 - Calbiochem MSRP: Price: $304.29 List Price: $338.10 Trimethylated xanthine that acts as a potent central nervous system stimulant. A nonselective phosphodiesterase inhibitor. Hide Expand SKU205548-500GM MFR. NameSigma-Aldrich Catalog No. C15-1250-029 Pack Size 500 GR Price: MSRP: Price: $304.29 List Price: $338.10 Quantity: Decrease Quantity of undefined Increase Quantity of undefined Add to Cart The item has been added Close × Product Information Catalog No. C15-1250-029 Description Trimethylated xanthine that acts as a potent central nervous system stimulant. A nonselective phosphodiesterase inhibitor.