QC Standard 4 Back Catalog number: 52087 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10204.9-100MG Ethyl 4-hydroxybenzoate, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 120-47-8 Price on request 673340 Lufenuron, 10.0 µg/ml, Acetonitrile, 10ml Price on request 675740 cis-Chlordane, 100 µg/ml, Ethyl acetate, 5ml Price on request