Method 1640 Tuning Standard Back Catalog number: 53147 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10029.10-10MG Norpropylhexedrine hydrochloride, , Solvent-, Unit , # of units-, Cas.no. 5471-54-5 Price on request 3496.12-100-AN Propyzamide Price on request 3337.12-100 Chlorfenson, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 80-33-1 Price on request