4,4’-DDD Back Catalog number: 79148 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 676980 D5-Norfloxacin, 100 µg/ml, Acetonitrile, 1ml Price on request 10581.23-100-ME (±)-Chlorophacinone-d4 (indanedione-4,5,6,7-d4) Price on request S-4770-ASS-10T Custom mix of thiophenes,two components in toluene: 0938.8 Benzothiophene 0.2mg/mL 0884.12 Dibenzothiophene 0.4mg/mL Price on request