Multi-Element Solution 1 Back Catalog number: 53133 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2700.8-25MG Isocaffeine (1,3,9-Trimethylxanthine), neat, Solvent-neat, Unit 25mg, # of units-1, Cas.no. 519-32-4 Price on request 678965 Pyrene, 100 µg/ml, Cyclohexane, 1ml Price on request 684291 Hexachlorobenzene, 10.0 µg/ml, Acetonitrile, 10m Price on request