Siloxane Standard Back Catalog number: 94248 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9716.12.50-IO 2,2',3,3',4,4',5,5'-Octabromobiphenyl, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. Price on request 20003 EPA Method 8240A/1666 - Purgeable Internal Std Price on request 9287.23-100-ME Ramipril, 100µg base/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 87333-19-5 Price on request