Quick view View Item MilliporeSigma Chlorophyll b analytical standard (1mg) SKU: 00538-1MG Now: $374.00 Was: Was: 00538 Sigma-Aldrich Chlorophyll b analytical standard CAS Number 519-62-0 Empirical Formula (Hill Notation) C55H70MgN4O6 Molecular Weight 907.47 EC Number 208-272-4 MDL... SKU: 00538-1MG Weight: 1.00 LBS View Item Now: $374.00 Was: Was: Choose Options Compare Quick view Qty in Cart: 0 Price: Now: $374.00 Was: Was: Subtotal: Choose Options