L-Serine Back Catalog number: 72249 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2355.72-100-ME Tetraoctadecylammonium bromide, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 63462-99-7 Price on request XA04000100ME Aromatic Hydrocarbons Mix 11, 200 ng/µl, 1ml Price on request 674591 Fenthion-sulfone, 100 µg/ml, Acetonitrile, 5ml Price on request