Silicon (Si) Back Catalog number: 58014 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 70430 1,4-Phenylenediamine Price on request 0351.14-K-T 2-Methylfluorene, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 1430-97-3 Price on request 10581.23-100-ME (±)-Chlorophacinone-d4 (indanedione-4,5,6,7-d4) Price on request