NWTPH-HCID - Surrogate Standard Back Catalog number: 51138 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9499.10-100-AN Clofibric acid Price on request N-11638-250MG Dibutyl chlorendate, 250mg Price on request 59426 Hydrazine (N2H4) Price on request