Isobutylparaben, 100mg Back Catalog number: 680172 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended S-4027-ASS-IO CPI (1) Control Standard 3 Isooctane solutions S-4025 (mg/mL) S-4026 (mg/mL) S-4027 (mg/mL) C22 1.0 1.0 1.0 C23 0.9 1.0 1.1 C24 0.8 Price on request 52319 Multi-Element Internal Std., 10ug/ml, 4x25ml Price on request 90345 Hexachlorophene Price on request