QC Standard 5 Back Catalog number: 56088 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended C16972720 Spectinomycin sulfate hydrate, certified, 0.1g Price on request 673663 Phosmet, 10 µg/ml, Ethyl acetate, 10ml Price on request 3165.18-10K-30HP Methyl heptadecanoate, 10mg/mL, Solvent-heptane, Unit 30mL, # of units-1, Cas.no. 1731-92-6 Price on request