Prepared culture media for development or maintenance of micro-organisms (including viruses and the like) or of plant, human or animal cells
Prepared culture media for development or maintenance of micro-organisms (including viruses and the like) or of plant, human or animal cells
Duty Rate (from China)
Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Products classified under HTS 3821.00.00
LB Agar Plates for Bacterial Culture
Pre-poured LB (Luria-Bertani) agar plates containing nutrients like tryptone, yeast extract, and sodium chloride, solidified with agar for growing E. coli and other bacteria. Classified under HTS 3821.00.00 as prepared culture media specifically designed for microbial development and maintenance in laboratory settings.
DMEM Cell Culture Medium
Dulbecco's Modified Eagle Medium (DMEM) is a liquid basal medium supplemented with amino acids, vitamins, glucose, and salts for maintaining mammalian cells like HEK293 or fibroblasts in vitro. It qualifies under HTS 3821.00.00 as prepared media for human or animal cell culture in research and biotech applications.
Murashige and Skoog (MS) Basal Medium
MS medium powder or liquid containing macro/micro-nutrients, vitamins, and myo-inositol for plant tissue culture, enabling micropropagation of species like orchids or potatoes. Falls under HTS 3821.00.00 for prepared media supporting plant cell and tissue development.
Sabouraud Dextrose Agar for Fungi
Sterile Sabouraud agar plates with peptones and high dextrose for cultivating yeasts, molds, and dermatophytes like Candida or Aspergillus. Classified in HTS 3821.00.00 as prepared medium for fungal microorganism maintenance.
RPMI-1640 Medium for Lymphocytes
RPMI-1640 is a buffered liquid medium with glutamine, vitamins, and sodium bicarbonate optimized for human lymphocyte and hybridoma cell lines in immunology research. It is prepared culture media under HTS 3821.00.00 for human cell maintenance.
Terrific Broth for Protein Expression
Terrific Broth (TB) is a rich liquid medium with glycerol, yeast extract, and tryptone for high-density E. coli cultures in recombinant protein production. HTS 3821.00.00 covers this as prepared media for microorganism development.
Bacto-Trypsin Soy Agar Plates
Pre-poured Tryptic Soy Agar (TSA) plates for general bacterial growth, sterility testing, and environmental monitoring with casein digest and soy peptone. Prepared for microorganism maintenance under HTS 3821.00.00.
HEK293 Cell Culture Flask Media
Ready-to-use serum-free medium for adherent HEK293 cells in viral vector production, containing lipids, trace elements, and buffers. HTS 3821.00.00 for human cell line maintenance.
Potato Dextrose Agar for Mold Culture
PDA medium from potato infusion and dextrose for mold sporulation and mycotoxin studies, ideal for Penicillium and Fusarium. Prepared culture media per HTS 3821.00.00 for microorganisms.
YM Agar for Yeast and Mold
Yeast Malt (YM) agar with peptone, dextrose, malt extract, and agar for enumerating yeasts and molds in dairy and beverages. HTS 3821.00.00 as prepared microbial culture media.
B27 Supplement for Neural Stem Cells
B27 is a serum-free supplement added to basal media for neural progenitor and stem cell cultures, containing antioxidants, lipids, and trophic factors. While supplemental, complete formulations classify under HTS 3821.00.00 for cell maintenance.
MacConkey Agar for Gram-Negative Bacteria
Selective MacConkey agar with bile salts, lactose, and neutral red for isolating enteric Gram-negative pathogens like Salmonella. Prepared under HTS 3821.00.00 for bacterial culture.
Plant Preservation Tissue Culture Medium
PPM™ is a liquid antibiotic-supplemented medium preventing microbial contamination in plant tissue cultures during shipping and storage. HTS 3821.00.00 for plant cell maintenance media.
CHO-S-SFM Serum-Free Medium
Chemically defined serum-free medium for CHO (Chinese Hamster Ovary) suspension cells in monoclonal antibody production. Prepared for animal cell maintenance under HTS 3821.00.00.
Viral Transport Medium (VTM)
Sterile VTM with Hanks' balanced salt solution, gelatin, and antibiotics for preserving clinical swab samples containing viruses like SARS-CoV-2 during transport. Borderline but classifies under HTS 3821.00.00 for virus maintenance media.