4,4’-DDD Back Catalog number: X9054 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1339.31-50-IO 17 alpha(H),21ß(H)-(22R)-Homohopane, 50µg/mL in isooctane, 1ml Price on request 70363 Dimethoate, 1000µg/ml in MeOH, 1ml Price on request 10772.21-K-T Bisphenol A Bis(2-hydroxypropyl) ether Price on request