4,4’-DDD Back Catalog number: 79290 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 674640 Folpet, 250mg Price on request 8596.34 5 alpha(H),14ß(H),17ß(H),20R-3ß-Benzyloxycholestane, , Solvent-, Unit , # of units-, Cas.no. Price on request 11319.13-K-ME Melatonin,1000 µg/mL,MeOH,1mL, Price on request