Phthalic acid, mono-n-butyl ester, certified, 0.1g Back Catalog number: C16178700 Availability: In the manufacturer's stock Price on request - + Recommended 53088 QC Standard 5 Price on request 95451 PCB Congeners & Hexachlorobenzene Mix #2 Price on request S-4881-500-WX10 Congener alcohols, 500μg/ml in Water, 10 x1ml Price on request