1,3-Propanediol Back Catalog number: 73191 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1117.20-200-T Dinaphtho[1,2-b;2',1'-d]furan, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 239-69-0 Price on request 678977 Hydroquinone, 100mg Price on request 2326.12-100-IO Arochlor 5460 , 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 11126-42-4 Price on request