Calcitetrol (Vitamin D Derivative)
Calcitetrol represents specialized Vitamin D derivatives used in research and niche therapeutics, functioning primarily as vitamins. Covered by HTS 2936.29.50.20 for unmixed Vitamin D compounds meeting Chapter 29 chemical definition requirements. High-purity research chemical grade.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If containing organo-metallic structures
Chapter notes direct metal-containing organics to heading 2936.90.
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Import Tips & Compliance
• Small volume specialist imports; use ISF properly for low-value shipments
• Research exemption paperwork if not commercial quantities
Related Products under HTS 2936.29.50.20
Cholecalciferol (Vitamin D3)
Cholecalciferol, also known as Vitamin D3, is a fat-soluble secosteroid derived from 7-dehydrocholesterol and reproduced synthetically for nutritional supplements. It falls under HTS 2936.29.50.20 as a unmixed vitamin D derivative used primarily as a vitamin to support calcium absorption and bone health. This chemically defined organic compound is supplied in pure form for pharmaceutical and dietary applications.
Calcipotriene (Vitamin D3 Analog)
Calcipotriene is a synthetic Vitamin D3 derivative used primarily for its vitamin-like hormonal effects in psoriasis treatment. Under HTS 2936.29.50.20, it qualifies as a Vitamin D derivative per Chapter notes allowing hormone analogues used primarily as vitamins. Provided as high-purity powder for topical pharmaceutical formulations.
Alfacalcidol (1α-Hydroxyvitamin D3)
Alfacalcidol is a hydroxylated Vitamin D3 prodrug used primarily as a vitamin derivative for renal osteodystrophy treatment. It falls under HTS 2936.29.50.20 as a chemically defined Vitamin D derivative meeting chapter requirements for provitamins and vitamin intermediates. Supplied in pure form for oral solution manufacturing.
Vitamin D3 500,000 IU/g Powder
High-potency Vitamin D3 powder standardized at 500,000 International Units per gram, used primarily as a vitamin in supplement manufacturing. Classified under HTS 2936.29.50.20 as cholecalciferol derivative meeting purity standards for unmixed vitamins. The powder form contains minimal stabilizer per Chapter 29 note (f).
Paricalcitol (19-nor-1α,25-Dihydroxyvitamin D2)
Paricalcitol is a synthetic Vitamin D analog used primarily as a vitamin derivative for secondary hyperparathyroidism. HTS 2936.29.50.20 covers this chemically defined compound as it functions primarily as a vitamin per Chapter 29 hormone note (b). Bulk API form for IV and oral pharmaceuticals.
Dihydrotachysterol (Vitamin D4 Analog)
Dihydrotachysterol is a partially activated Vitamin D derivative used primarily for calcium regulation in hypocalcemia treatment. It qualifies under HTS 2936.29.50.20 as a Vitamin D derivative that is a separate organic compound used as a vitamin. Historical use in pharmaceutical compounding.