Estradiol Cypionate USP Grade
United States Pharmacopeia certified estradiol cyclopentylpropionate for injectable hormone therapy. Specifically enumerated in HTS 2937.23.2500 as a steroidal estrogen used primarily as hormone replacement. Qualifies under Chapter 29 for pure chemically defined organic compounds.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If classified as ethinylestradiol instead of cypionate ester
Different specific estrogen compounds have separate subheadings within the same hormone category
If containing sugar esters in the formulation
Sugar-modified hormone derivatives fall under Chapter 29 heading 2940
If imported as research-grade with non-pharmaceutical impurities
Chemical preparations not meeting pharmaceutical purity standards shift to mixtures heading
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Import Tips & Compliance
• Submit FDA Drug Master File and provide batch certificates showing compliance with USP monograph specifications
• Declare exact ester content and include chromatograms; avoid misclassification as general estrogen
• Ensure temperature-controlled shipping documentation for heat-sensitive hormone esters
Related Products under HTS 2937.23.25.00
Estradiol Benzoate Powder
Pure estradiol benzoate in powdered form, a steroidal estrogen hormone derivative used primarily in pharmaceutical formulations. Classified under HTS 2937.23.2500 as it is specifically listed as a steroidal hormone used primarily as a hormone. Meets Chapter 29 requirements for separate chemically defined organic compounds.
Estradiol Cyclopentylpropionate Bulk
Bulk estradiol cypionate powder for large-scale pharmaceutical manufacturing of injectable contraceptives. HTS 2937.23.2500 specifically names this compound as steroidal estrogen hormone. Chemically defined organic compound without excluded additives.
Pharmaceutical Estradiol Benzoate 98% Pure
High-purity (98%+) estradiol benzoate meeting EP/BP/USP standards for hormone replacement therapy production. Classified HTS 2937.23.2500 as named steroidal hormone used primarily as hormone per heading 2937 definition.
Estradiol Benzoate API Crystals
Active pharmaceutical ingredient estradiol benzoate in crystalline form for compounding hormone medications. Falls under HTS 2937.23.2500 as explicitly named steroidal hormone derivative used primarily as hormone. Pure organic compound per Chapter 29 note (a).
Estradiol Cypionate for Compounding
Estradiol cyclopentylpropionate specifically for pharmacy compounding of custom hormone injections. HTS 2937.23.2500 explicitly covers this hormone ester as steroidal estrogen used primarily as hormone replacement.