17beta-Ethynylestradiol,neat,neat,1mg, Back Catalog number: 2903.20-1MG Manufacturer: CHIRON AS Availability: In the manufacturer's stock Price on request - + Recommended P48-W-ES WHO PCB Extraction Standard, 100pg/µl in nonane, 1,2ml Price on request S-4502-5-25IO Phosphorous Standards Phosphorus in Isooctane Tri-n-butylphosphate, 99+% (Chiron product nr. 1399.19) CAS [126-73-8] Matrix: Isooctane , 20cSt Units: 1x25mL, 1x100mL Isooctane Price on request 2531.13-100MG (6-Methoxy-2-naphthyl)acetic acid, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 23981-47-7 Price on request