2937.23.50.20/Progesterone Hormone Reference Material NIST/Japan

Progesterone Hormone Reference Material NIST from Japan

NIST-traceable progesterone reference material SRM 2894 for calibration of hormone assays in clinical laboratories. Pure steroidal hormone standard under HTS 2937.23.5020 for its primary hormonal chemical definition.

Duty Rate — Japan → United States

0%

Rate breakdown

9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
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Import Tips

• Include NIST SRM certificate with certified purity value and uncertainty; critical for reference material duty treatment

• Declare as 'Certified Reference Material' with specific analytical certificate numbers for preferential laboratory chemical treatment

• Small package sizes (<100mg); ensure tamper-evident seals and complete chain-of-custody documentation

Progesterone Hormone Reference Material NIST from Japan — Import Duty Rate | HTS 2937.23.50.20