USP Lithium Carbonate for Thyroid Function Tests
Pure USP-grade lithium carbonate used in laboratory reagents for thyroid hormone assays. HTS 2836.91.0010 due to USP specification for this chemically defined inorganic carbonate.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If pre-mixed in diagnostic kits
Ready-to-use lab reagents classify under 3822, excluding pure compounds.
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Import Tips & Compliance
• Label as lab chemical to avoid pharma drug scrutiny
• Include SDS with heavy metal limits
• Pitfall: retail packaging may trigger 3824 diagnostic reclass
Related Products under HTS 2836.91.00.10
USP Grade Lithium Carbonate Powder
High-purity lithium carbonate (Li2CO3) meeting United States Pharmacopeia (USP) standards for use in pharmaceutical manufacturing. Classified under HTS 2836.91.0010 as a USP grade lithium carbonate, which is a carbonate of an inorganic base per Chapter 28 notes, specifically excluded from other chapters like organo-inorganic compounds.
Pharmaceutical Lithium Carbonate USP Capsules Filler
USP-grade lithium carbonate powder used as the active ingredient filler in capsule formulations for bipolar disorder treatment. Falls under HTS 2836.91.0010 due to its status as a chemically defined USP lithium carbonate, distinct from finished medicaments in Chapter 30.
USP Lithium Carbonate for Bipolar Medication API
Ultra-pure USP lithium carbonate serving as the active pharmaceutical ingredient (API) in medications like lithium citrate for mood stabilization. Classified in HTS 2836.91.0010 as it meets USP purity for lithium carbonates of inorganic bases, per Chapter notes.
Battery-Grade USP Lithium Carbonate Precursor
USP-certified lithium carbonate used as a high-purity precursor in lithium-ion battery cathode production, meeting pharma standards for trace impurities. HTS 2836.91.0010 applies as a USP-grade carbonate, not reclassified by end-use per tariff rules.
Medical-Grade Lithium Carbonate USP Monohydrate
Hydrated USP lithium carbonate (Li2CO3·H2O) for pharmaceutical compounding in psychiatric drugs. Classified under HTS 2836.91.0010 for its USP purity as a lithium carbonate, chemically defined per subheading note.
High-Purity USP Lithium Carbonate Crystals
Crystalline USP lithium carbonate for precise pharmaceutical dosing applications. Falls in HTS 2836.91.0010 as USP-grade, per Chapter 28 for carbonates of inorganic bases.