Other
Hormones, prostaglandins, thromboxanes and leukotrienes, natural or reproduced by synthesis; derivatives and structural analogues thereof, including chain modified polypeptides, used primarily as hormones: > Other: > Other
Duty Rate (from China)
Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Products classified under HTS 2937.90.90.00
Melatonin USP Powder
Pure melatonin powder, a synthetic pineal hormone used primarily for regulating sleep-wake cycles. It falls under HTS 2937.90.90.00 as a hormone derivative used primarily as a hormone for therapeutic purposes. This classification covers synthetic reproductions of natural hormones not specified elsewhere in heading 2937.
DHEA (Dehydroepiandrosterone) Micronized Powder
Micronized DHEA powder, a steroid hormone precursor produced by synthesis, used primarily for hormonal supplementation. Classified under HTS 2937.90.90.00 as a structural analogue of hormones used primarily for its hormonal effects. Excludes finished dosage forms.
Progesterone USP Reference Standard
High-purity progesterone reference standard used primarily as a hormone in pharmaceutical quality control. Falls under HTS 2937.90.90.00 as a natural hormone reproduced by synthesis, used primarily as a hormone. Essential for analytical and calibration purposes.
Testosterone Base Powder
Synthetic testosterone base powder, a principal male hormone used primarily for hormone replacement therapy. Classified under HTS 2937.90.90.00 as a hormone reproduced by synthesis, excluding esterified forms specified elsewhere. Bulk form for pharmaceutical compounding.
Pregnenolone Acetate Powder
Pregnenolone acetate, a synthetic steroid hormone precursor used primarily for neurosteroid and hormonal effects. Falls under HTS 2937.90.90.00 as a hormone derivative used primarily as a hormone. Bulk powder for nutraceutical and pharmaceutical applications.
Oxytocin API Powder
Synthetic oxytocin active pharmaceutical ingredient (API) powder, a peptide hormone used primarily for uterine contraction and lactation. Classified under HTS 2937.90.90.00 as chain-modified polypeptide used primarily as a hormone. Bulk form excludes finished injectables.
Calcitonin Salmon Synthetic
Synthetic salmon calcitonin, a polypeptide hormone used primarily for osteoporosis treatment. Falls under HTS 2937.90.90.00 as a chain-modified polypeptide hormone derivative reproduced by synthesis. Bulk API form for nasal spray and injection manufacturing.
Sermorelin Acetate Powder
Sermorelin acetate, a synthetic growth hormone releasing hormone analogue used primarily as a hormone stimulant. Classified under HTS 2937.90.90.00 as a chain-modified polypeptide hormone derivative. Bulk powder for compounding pharmacies.
Thymosin Alpha-1 Powder
Synthetic thymosin alpha-1, a polypeptide hormone used primarily for immune modulation. Falls under HTS 2937.90.90.00 as a hormone derivative used primarily as a hormone. Research-grade bulk powder.
Epitalon (Epithalon) Synthetic
Synthetic epitalon tetrapeptide, a telomerase-activating hormone analogue researched for anti-aging effects. Classified under HTS 2937.90.90.00 as a chain-modified polypeptide used primarily as a hormone. Ultra-pure research chemical.