Phthalic acid, bis-n-undecyl ester, certified, 0.1g Back Catalog number: C16177150 Availability: In the manufacturer's stock Price on request - + Recommended 43028 GC/MS Calibration Standard Mix #2 Price on request 70093 o-Cresol Price on request MICQC2B Total, Fecal & E. Coli WP QTA Price on request