Acyclovir Bulk Mixture
Acyclovir bulk mixture is an antiviral for herpes simplex and zoster treatments, consisting of mixed APIs and excipients for pharmaceutical formulation. Not in retail doses, it classifies under HTS 3003.90.0120 as a bulk antiviral medicament.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If unmixed guanosine nucleoside API
Pure chemical APIs are headed in Chapter 29 by chemical nomenclature, not mixed therapeutic products.
If for retail-packed antiviral tablets
Measured doses or retail forms move to 3004 for consumer medicaments.
If immunological like interferon-based
Immunological products per chapter notes go to 3002, separate from general antivirals.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Submit advance FDA notice via Prior Notice system for pharma bulk imports
• Include bioequivalence data if generic; pitfall is incomplete impurity profiles
• Use tamper-evident bulk drums to demonstrate non-retail intent
Related Products under HTS 3003.90.01.20
Oseltamivir Phosphate Bulk Powder
Oseltamivir phosphate is a bulk antiviral medicament used primarily for the treatment and prophylaxis of influenza A and B viruses. It consists of mixed active pharmaceutical ingredients not in measured doses or retail packaging, qualifying under HTS 3003.90.0120 as an anti-infective antiviral for therapeutic use.
Zanamivir Bulk Active Substance
Zanamivir is a neuraminidase inhibitor antiviral in bulk form for manufacturing influenza treatments like Relenza inhalers. This mixed constituent product for therapeutic use is not retail-packed, fitting HTS 3003.90.0120 for antivirals.
Valacyclovir Hydrochloride Bulk
Valacyclovir hydrochloride bulk is a prodrug antiviral mixed for herpes virus therapy, used in manufacturing tablets like Valtrex. As a non-retail mixed medicament, it falls under HTS 3003.90.0120 for antivirals.
Remdesivir Bulk API Mixture
Remdesivir bulk API mixture is an antiviral for COVID-19 and Ebola treatment, mixed for IV formulation production. Excluded from retail forms, it is classified in HTS 3003.90.0120 as a bulk antiviral.
Ganciclovir Bulk Powder
Ganciclovir bulk powder is an antiviral mixed for cytomegalovirus (CMV) treatment in immunocompromised patients. Not for retail sale, it qualifies under HTS 3003.90.0120 for bulk antivirals.
Ribavirin Bulk Mixture
Ribavirin bulk mixture is a guanosine analog antiviral for hepatitis C and RSV, blended for further processing. As a mixed, non-dosed product, it is under HTS 3003.90.0120.