Custom Mix Back Catalog number: 50098 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended C12721000 3,3´-Dimethoxybenzidine, certified, 0.1g Price on request 679076 Methoprene, 100 µg/ml, Acetonitrile, 1ml Price on request 680783 sec-Butylparaben, 100mg Price on request