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%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
Import Tips
• Include digestion protocol and LC gradient recommendations
• Declare peptide mass accuracy and digestion efficiency specifications
• Lyophilized standards require reconstitution stability data