Estradiol (17-beta Estradiol)
Estradiol is a primary natural estrogen hormone obtained from animal sources like pregnant mare urine, used primarily in hormone replacement therapy. It falls under HTS 2937.23.10.10 as an estrogen derived directly or indirectly from animal materials. This steroidal hormone regulates reproductive functions and alleviates menopausal symptoms.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If fully synthetic/reproduced by synthesis
Synthetic estrogens not derived from natural materials fall under the general estrogens provision later in numerical order.
If formulated as finished dosage forms like tablets
Medicaments in measured doses containing hormones are classified in Chapter 30, taking precedence over Chapter 29.
If in bulk for further pharmaceutical processing
Bulk hormone preparations for medicinal use shift to Chapter 30 provisions.
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Import Tips & Compliance
• Verify Certificate of Pharmaceutical Product (CPP) and FDA registration for hormone imports
• Ensure documentation proves animal/vegetable origin to qualify under this subheading
• Comply with DEA controls if product has controlled substance scheduling
Related Products under HTS 2937.23.10.10
Estrone (Theelin)
Estrone is a natural estrogen hormone extracted indirectly from animal urine sources, serving as a key component in estrogen therapies. Classified under HTS 2937.23.10.10 due to its natural animal-derived origin and primary hormonal use. It converts to estradiol in the body for estrogenic effects.
Estriol (16-alpha-Hydroxyestrone)
Estriol is a natural estrogen produced from animal sources, particularly used in pregnancy-related hormone therapies. It qualifies for HTS 2937.23.10.10 as an animal-derived estrogen used primarily as a hormone. This weak estrogen helps maintain pregnancy and treats vaginal atrophy.
Conjugated Equine Estrogens (Premarin Active)
Conjugated equine estrogens are natural estrogen sulfates extracted from pregnant mare urine, used in menopausal HRT. Falls under HTS 2937.23.10.10 as animal-derived estrogens used primarily as hormones. Contains estrone sulfate, equilin sulfate, and other natural equine estrogens.
Equilin
Equilin is a natural estrogen unique to equine sources, obtained from pregnant mare urine for hormone therapy applications. Classified in HTS 2937.23.10.10 as an animal-derived estrogen hormone. It contributes to the estrogenic activity in conjugated equine estrogen products.