Trimethoprim, 100 µg/ml, Methanol, 1ml Back Catalog number: 679824 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended S-4050-50-10IO Calibration Mixtures: Di-n-butyl sulfide in Isooctane Unit: 1x10mL screw-capped bottle Isooctane µgS/g (ppm) Wt.% S-4050-0-10IO 0 Blank 0 S-4050-1-10IO 1 0.0001 Etc. S-4050-10Kit Kit of above solutions Price on request 10488.4-10MG Creatinine-d3 (methyl-d3) Price on request 93600 EPA Method 502.2/624Mix Price on request