Pseudoephedrine Back Catalog number: 96587 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 71218 2-Ethylnaphthalene Price on request S-4072-05-10MEX10 Sulfur Standard 1 Unit: 10mL screw cap bottle Chiron No. Matrix: Methanol Compound Concentration S-4072 Diethyl sulfide 0.5 ppm (w/w) Di-n-butyl sulfide 0.5 ppm (w/w) Price on request 93060 Phenanthrene - 100% Price on request