Calibration Standard Mix 2 Back Catalog number: 52034 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2123.12-100-T 2-Hydroxydibenzothiophene, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 22439-65-2 Price on request 96573 Betamethasone Price on request 3770.9-K-IO 2-sec-Butyl-3-methoxypyrazine, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no. 24168-70-5 Price on request