1,2,4,5-Tetrachlorobenzene, 1000µg/ml in MeOH, 1ml Back Catalog number: 70274 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 1749.16-K-IO 3-n-Dodecylthiophene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 104934-52-3 Price on request 2804.24-K-ME Medroxyprogesterone acetate,1000 µg/mL,MeOH,1mL, Price on request S-4254-100-10T Sulfur Calibr. Mix. Dibenzothiophene in Toluene (20 cSt)Unit: 10mL screw-capped bottle Matrix White oil White Oil Concentration Isooctane Toluene 3 cSt Price on request