Sulfisoxazole, 100 µg/ml, Methanol, 1ml Back Catalog number: 679822 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 675178 2,3,5-Trichlorophenol, 100 µg/ml, Methanol, 1ml Price on request 81212 EPA Method 8121 Analytes, 1000µg/ml in HE:TO [1:1], 1ml Price on request 92515 L D R Mix #2 Price on request