cis-Tramadol HCl Back Catalog number: 96504 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 98537 Hydrocarbon Standard Price on request 673511 Chlorpyrifos-methyl, 10.0 µg/ml, Ethyl acetate, Price on request 30067 EPA Method 502/524 High Conc VOC Mixes Price on request