Aromatic Internal Standard Back Catalog number: 92285 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended O245752 Ofloxacin-d8, 1mg Price on request 79681 Mestranol Price on request 678948 Fipronil-desulfinyl, 100 µg/ml, Acetonitrile, 1m Price on request