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.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If single unmixed API form
Unmixed products of Chapter 29 are classified by chemistry, not therapeutic intent.
If other anti-infective but not antiviral
Antivirals have specific subheading; other anti-infectives use broader 3003.90.01.
If prepared as chemical mixture without therapeutic claim
Non-medicinal mixtures may fall outside Chapter 30 to Chapter 38.
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Import Tips & Compliance
• Register with FDA's Drug Registration and Listing system before import
• Test for related substances per USP; common issue is solvent residue limits
• Declare therapeutic use explicitly to confirm Chapter 30 status
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.
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.
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.