Promecarb Back Catalog number: 31641 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10561.19-50-T 9-Methylbenz[a]anthracene Price on request 684142 1-Nitrosopyrrolidine, 100mg Price on request BB-37 3,4,4'-Tribromobiphenyl, 1.2ml x 50ug/ml, nonane Price on request