Oestrogens and progestogens
Sulphonamides. > Steroidal hormones, their derivatives and structural analogues: > Oestrogens and progestogens > Oestrogens and progestogens
Duty Rate (from China)
Subheadings
Products classified under Tariff item 2937.23.00
Bioidentical Progesterone Micronized Powder
Bioidentical progesterone micronized powder is derived from Mexican yam sterols and processed to mimic human corpus luteum progesterone. It is a separate chemically defined organic compound with progestogenic activity, classified under tariff item 2937.23.00 as a progestogen. This product is used primarily for hormonal therapy.
Conjugated Equine Estrogens (Premarin Active)
Conjugated equine estrogens, similar to Premarin, are natural estrogen sulfates extracted from pregnant mare urine and used in menopausal hormone replacement therapy. This product is a mixture of oestrogens, primarily estrone sulfate and equilin sulfate, and is classified under tariff item 2937.23.00. It is a natural, animal-derived hormone complex.
Diosgenin-Derived Progesterone Powder
Diosgenin-derived progesterone powder is manufactured via marker degradation of diosgenin extracted from Dioscorea species tubers. This product is a separate chemically defined organic compound with progestogenic activity, classified under tariff item 2937.23.00 as a progestogen. It is used primarily for hormonal applications.
Equilin
Equilin is a natural estrogen hormone unique to equine sources, obtained from pregnant mare urine for hormone therapy applications. It is a separate chemically defined organic compound with oestrogenic activity, falling under tariff item 2937.23.00. This product is used primarily for its hormonal effects.
Estradiol (17-beta Estradiol)
Estradiol (17-beta estradiol) is a primary natural estrogen hormone, typically obtained from animal sources or synthesized, and used primarily in hormone replacement therapy. It is a separate chemically defined organic compound with oestrogenic activity, classified under tariff item 2937.23.00. This product is a key oestrogen in medical applications.
Estradiol Benzoate API Crystals
Estradiol benzoate API crystals are an active pharmaceutical ingredient in crystalline form for compounding hormone medications. This product is a steroidal estrogen derivative, specifically an ester of estradiol, and is classified under tariff item 2937.23.00 as an oestrogen. It is used primarily for its hormonal effects.
Estriol (16-alpha-Hydroxyestrone)
Estriol (16-alpha-hydroxyestrone) is a natural estrogen hormone, often derived from animal sources and used in pregnancy-related hormone therapies. It is a separate chemically defined organic compound with oestrogenic activity, classified under tariff item 2937.23.00. This product is used primarily for its hormonal effects.
Estrone (Theelin)
Estrone (Theelin) is a natural estrogen hormone extracted from animal urine sources, serving as a key component in estrogen therapies. It is a separate chemically defined organic compound with oestrogenic activity, classified under tariff item 2937.23.00. This product is used primarily as a hormone.
Natural Estrone from Equine Urine
Natural estrone is a steroidal estrogen hormone extracted directly from pregnant mare urine, a classic animal-derived source. It is a separate chemically defined organic compound that acts primarily as a hormone, meeting the scope of heading 29.37. This product is classified under tariff item 2937.23.00 as an oestrogen.
Natural Progesterone API for Compounding
Natural progesterone API for compounding is an active pharmaceutical ingredient extracted and purified from plant phytosterols. It is a separate chemically defined organic compound with progestogenic activity, classified under tariff item 2937.23.00 as a progestogen. This product is used in custom hormone therapy formulations.
Pharmaceutical Grade Progesterone USP
Pharmaceutical grade progesterone USP is a micronized steroid hormone obtained indirectly from plant sources like diosgenin in wild yams. It is a separate chemically defined organic compound with progestogenic activity, classified under tariff item 2937.23.00 as a progestogen. This product meets USP standards for purity.
Phyto-Progesterone Extract 98%
Phyto-progesterone extract 98% is high-purity progesterone extracted from wild yam (Dioscorea species) through diosgenin conversion processes. This product is a separate chemically defined organic compound with progestogenic activity, classified under tariff item 2937.23.00 as a progestogen. It is used primarily for hormonal applications.
PMU-Derived Conjugated Estrogens
Conjugated equine estrogens are a mixture of natural estrogen sulfates, including estrone sulfate and equilin sulfate, isolated from pregnant mare urine. This complex is used primarily for menopausal hormone therapy and falls under tariff item 2937.23.00 as oestrogens. The product is a mixture of chemically defined organic compounds, each with hormonal activity.
Progesterone Hormone Reference Standard
Progesterone hormone reference standard is a certified reference material derived from vegetable sources, used for analytical calibration in hormone testing labs. It is a separate chemically defined organic compound with progestogenic activity, classified under tariff item 2937.23.00 as a progestogen. This product is used primarily for analytical purposes.
Vegetable-Derived Progesterone Bulk Crystals
Vegetable-derived progesterone bulk crystals are obtained through semi-synthetic processes from diosgenin of fenugreek and yam sources. This product is a separate chemically defined organic compound with progestogenic activity, classified under tariff item 2937.23.00 as a progestogen. It is supplied in bulk for pharmaceutical manufacturing.