Prepared culture media for the development or maintenance of micro-organisms (including viruses and the like) or of plant, human or animal cells.
Refractory cements, mortars, concretes and similar compositions, including dolomite ramming mix, other than products of heading 38.01. > Refractory cements, mortars, concretes and similar compositions, including dolomite ramming mix, other than products of heading 38.01. > Prepared culture media for the development or maintenance of micro-organisms (including viruses and the like) or of plant, human or animal cells.
Duty Rate (from China)
Subheadings
Products classified under Tariff item 3821.00.00
Bacto-Trypsin Soy Agar Plates
Pre-poured Tryptic Soy Agar (TSA) plates used for general bacterial growth, sterility testing, and environmental monitoring. The medium contains casein digest and soy peptone, and is prepared and ready for inoculation. These plates are prepared culture media for the maintenance of micro-organisms, falling under tariff item 3821.00.00.
Bacto-Tryptone Soy Agar for Yeast Maintenance
Sterile Tryptic Soy Agar (TSA) plates with added yeast extract for maintaining yeast strains like Saccharomyces cerevisiae. This prepared medium supports the growth and maintenance of yeast in brewing and biotech fermentation. It falls under tariff item 3821.00.00 as prepared culture media.
CHO-S-SFM Serum-Free Medium
Chemically defined serum-free medium specifically formulated for Chinese Hamster Ovary (CHO) suspension cells used in monoclonal antibody production. This prepared medium supports the growth and maintenance of animal cells in biopharmaceutical manufacturing. It qualifies as prepared culture media under tariff item 3821.00.00.
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 such as HEK293 or fibroblasts in vitro. This prepared medium is essential for cell culture in research and bioproduction. It falls under tariff item 3821.00.00 as prepared culture media for animal cells.
Fetal Bovine Serum Supplemented Medium
Basal medium kit with 10% fetal bovine serum (FBS) for serum-dependent animal cell lines like CHO cells. This complete prepared medium supports the growth and maintenance of animal cells in biopharmaceutical production. It is classified under tariff item 3821.00.00 as prepared culture media.
HEK293 Cell Culture Flask Media
Ready-to-use serum-free medium for adherent HEK293 cells used in viral vector production. The medium contains lipids, trace elements, and buffers to support human cell line maintenance. This prepared medium is classified under tariff item 3821.00.00 for animal cell culture.
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. These plates are prepared and ready for use in microbiological applications. They are classified under tariff item 3821.00.00 as prepared culture media.
MacConkey Agar for Gram-Negative Bacteria
Selective MacConkey agar with bile salts, lactose, and neutral red for isolating enteric Gram-negative pathogens like Salmonella. This prepared medium is used for the selective cultivation of bacteria in diagnostic laboratories. It falls under tariff item 3821.00.00 as prepared culture media.
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. This prepared medium supports the growth and maintenance of plant cells. It is classified under tariff item 3821.00.00 as prepared culture media.
Potato Dextrose Agar for Mold Culture
PDA medium from potato infusion and dextrose for mold sporulation and mycotoxin studies, ideal for Penicillium and Fusarium. This prepared medium is used for the cultivation and maintenance of fungi. It falls under tariff item 3821.00.00 as prepared culture media for micro-organisms.
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. This prepared medium supports the maintenance of human cells in vitro. It is classified under tariff item 3821.00.00 as prepared culture media.
Sabouraud Dextrose Agar for Fungi
Sterile Sabouraud agar plates with peptones and high dextrose for cultivating yeasts, molds, and dermatophytes like Candida or Aspergillus. This prepared medium is used for the selective growth of fungi in clinical and research settings. It falls under tariff item 3821.00.00 as prepared culture media.
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. This prepared medium supports the growth and maintenance of bacteria in biotechnological applications. It is classified under tariff item 3821.00.00 as prepared culture media.
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. This prepared medium maintains viral viability for diagnostic testing. It falls under tariff item 3821.00.00 as prepared culture media for viruses.
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. This prepared medium is used for the cultivation and maintenance of fungi. It is classified under tariff item 3821.00.00 as prepared culture media.