Mass Spectrometry Protein Standard Mix from Japan
Certified mixture of 48 proteins at femtogram/attomole levels for LC-MS/MS instrument calibration and sensitivity testing. Certified reference material under HTS 3822.19.0080.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include digestion protocol and LC gradient recommendations
• Declare peptide mass accuracy and digestion efficiency specifications
• Lyophilized standards require reconstitution stability data