Method 1640 Tuning Standard Back Catalog number: 52147 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 96061 4-(tert-Octyl)phenol, 100µg/ml in MeOH, 1ml Price on request MKEP (13C10)Kepone, 1.2mL x 100ug/mL, nonane Price on request C225403-1MG Catharanthine-d3 Tartrate Salt, 1mg Price on request