Other
Hormones, prostaglandins, thromboxanes and leukotrienes, natural or reproduced by synthesis; derivatives and structural analogues thereof, including chain modified polypeptides, used primarily as hormones: > Steroidal hormones, their derivatives and structural analogues: > Estrogens and progestins: > 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 2937.23.50
Estradiol Valerate
Estradiol valerate is a synthetic ester of the natural estrogen hormone estradiol, used primarily in hormone replacement therapy and contraception. It falls under HTS 2937.23.50 as a steroidal estrogen derivative and structural analogue used primarily as a hormone. This classification applies to its chemically defined organic structure per Chapter 29 notes.
Norethindrone Acetate
Norethindrone acetate is a progestin derivative used in oral contraceptives and menopausal hormone therapy. Classified under HTS 2937.23.50 as a synthetic progestin structural analogue used primarily as a hormone, meeting Chapter 29 requirements for separate chemically defined organic compounds.
Levonorgestrel
Levonorgestrel is a synthetic progestogen used in emergency contraception and intrauterine devices. It qualifies for HTS 2937.23.50 as a chain-modified polypeptide analogue of progesterone used primarily as a hormone, consistent with Chapter 29 hormone definitions.
Medroxyprogesterone Acetate
Medroxyprogesterone acetate is a synthetic progestin used for contraception, endometriosis treatment, and cancer therapy. This bulk active pharmaceutical ingredient is classified in HTS 2937.23.50 as an estrogen/progestin derivative used primarily as a hormone.
Ethinyl Estradiol
Ethinyl estradiol is a synthetic estrogen with ethinyl substitution, widely used in combination oral contraceptives. It falls under HTS 2937.23.50 as a structural analogue of estradiol used primarily as a hormone, per Chapter 29 notes on derivatives.
Norgestimate
Norgestimate is a third-generation progestin used in low-dose oral contraceptives with reduced androgenic effects. Classified under HTS 2937.23.50 as a progestin structural analogue used primarily as a hormone.
Desogestrel
Desogestrel is a synthetic progestogen with high selectivity for progesterone receptors, used in contraceptive pills. It is imported as bulk API under HTS 2937.23.50 for its classification as a steroidal progestin hormone derivative.
Gestodene
Gestodene is a synthetic progestin with 19-nor structure, used in combined oral contraceptives for cycle control. Falls under HTS 2937.23.50 as a progestin derivative used primarily as a hormone.
Drospirenone
Drospirenone is a synthetic spironolactone analogue with progestogenic and antimineralocorticoid activity, used in contraceptives. Classified in HTS 2937.23.50 as a steroidal progestin structural analogue used primarily as hormone.
Cyproterone Acetate
Cyproterone acetate is a synthetic steroidal antiandrogen with progestogenic properties, used in hormone therapy for prostate cancer and transgender treatment. HTS 2937.23.50 covers it as a progestin derivative used primarily as hormone.
Megestrol Acetate
Megestrol acetate is a progestational steroid used for appetite stimulation in cancer/AIDS patients and breast cancer treatment. It is classified under HTS 2937.23.50 as a synthetic progestin used primarily as a hormone.
Dydrogesterone
Dydrogesterone is a synthetic progestogen with structure closest to natural progesterone, used for infertility and menstrual disorders. HTS 2937.23.50 applies as a progestin structural analogue used primarily as hormone.