UCMR4 - Method 525.3 - Surrogate Mix Back Catalog number: 98747 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1578.23-100MG Pholcodine-N-oxide 1, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 433308-89-5 Price on request 2804.24-100MG Medroxyprogesterone acetate, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 71-58-9 Price on request 72598 Napthol Yellow Price on request