Internal & Surrogate Standard Back Catalog number: 97790 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673364 Fenbuconazole, 10 µg/ml, Acetonitrile, 10ml Price on request 10676.2-1G Pentachloroethane Price on request 674890 Norfloxacin, 100mg Price on request