624B Internal / Surrogate Standard Back Catalog number: 98628 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11290.18-100-AN Triphenyl-d15-tin hydroxide,100 µg/mL,acetonitrile,1mL, Price on request 71240 2,3-Benzofluorene, 1000µg/ml in methylene chloride, 1ml Price on request 675025 2-Isopropyl-6-methyl-4-pyrimidinol, 250mg Price on request