D4-Propyl paraben, 100 µg/ml, Methanol, 1ml Back Catalog number: 678215 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended S-12380A1-1ML Metalaxyl, 100µg/ml in Acetonitrile, 1ml Price on request 673331 Iprovalicarb, 100 µg/ml, Acetonitrile, 5ml Price on request 80810 EPA Method 8081A Mix #2 Price on request