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.
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More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If pure steroid without specific hormone function
Other steroid derivatives not primarily hormonal fall under earlier 2937.19 subheading per numerical order rule
If in bulk medicinal forms for retail packaging
Bulk medicaments containing hormones (not pure) shift to Chapter 30 for mixed preparations
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Import Tips & Compliance
• Verify DEA scheduling (not controlled) but monitor for precursor chemical restrictions; provide pharmacopeia compliance certificates
• Avoid bulk packaging over 25kg to prevent industrial chemical misclassification
Related Products 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.
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.