QC Standard 1 Back Catalog number: 52084 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 79040 Endosulfan II Price on request 676161 Ceftiofur sodium, 100mg Price on request 675177 2,3,5-Trimethylphenol, 100 µg/ml, Methanol, 5ml Price on request