QC Standard 5 Back Catalog number: 53088 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2026.6-10MG gamma-HCH (BHC),neat,neat,10mg, Price on request CFN99646 Catechin, >98%, 20mg Price on request 682923 1-(4-Chlorophenyl)urea, 100 µg/ml, Acetonitrile, Price on request