Hydrocortisone 21-Phosphate Disodium Salt from China
Water-soluble disodium salt of hydrocortisone 21-phosphate used in eye drops and nasal sprays as hormonal anti-inflammatory. HTS 2937.29.90.20 includes this phosphate salt ester combination of hydrocortisone.
Duty Rate — China → United States
100%
Rate breakdown
9903.04.60100%Pharmaceuticals Annex IV: patented pharma articles — 100% floor rate
9903.05.860%Universal product exemption (U.S. note 52(b))
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• Quantify phosphate ester via 31P-NMR and sodium content via ICP-OES in CoA
• Ensure <0.1 EU/mg endotoxin level for ocular/nasal applications
• Package under amber glass to protect phosphate ester from photodegradation during import