Import Adefovir Dipivoxil — Buy in Bulk from Supplier in China

Adefovir dipivoxil is a nucleoside reverse transcriptase inhibitor used primarily in the treatment of chronic hepatitis B and, in some regions, as part of HIV therapy. This listing offers the active pharmaceutical ingredient with CAS No. 142340-99-6, supplied by Beijing Zhongshuo Pharmaceutical Technology Development Co., Ltd. from its base in Beijing. The compound is delivered as a white to off-white crystalline powder, soluble in water and dimethyl sulfoxide, with a molecular formula of C20H32N5O8P and a molecular weight of 501.43 g/mol.

The product meets pharmaceutical-grade purity standards typical for antiviral APIs, with residual solvents and heavy metals controlled to ICH Q3C and Q3D guidelines. Standard assay purity is 98.0% minimum by HPLC, with related substances limited to 0.5% maximum per USP/EP monographs. Packaging is typically in 25 kg fiber drums with double polyethylene liners, sealed under nitrogen to prevent moisture absorption. Each batch is accompanied by a certificate of analysis and stability data supporting a 24-month shelf life when stored at 2-8°C in a dry, dark environment.

Adefovir dipivoxil is sourced by generic drug manufacturers, research institutions, and contract development organizations for formulation into oral tablets or capsules. Buyers in Africa, Southeast Asia, and Latin America frequently import this API to address regional hepatitis B treatment programs. Trade terms are negotiable, with bulk orders commonly shipped under FOB or CIF Incoterms from Chinese ports such as Tianjin or Shanghai. Confirm minimum order quantities, lead times, and regulatory documentation such as DMF or CEP status directly with the supplier.

Beijing Zhongshuo Pharmaceutical Technology Development Co., Ltd. is based in the Hepingli area of Dongcheng District, Beijing, China, operating from a facility at 2 Floor Npcpi (ciccc), No.16, 7 Area. The company is classified as an imported-tier supplier, indicating it sources or distributes APIs and pharmaceutical intermediates for international markets. Its profile shows a harbor trust tier, reflecting a baseline level of verification for export capabilities.

The supplier’s response rate and average response hours are currently listed as zero, which may indicate limited engagement or a need for direct outreach to confirm availability, technical specifications, or compliance documentation. Buyers are advised to verify the company’s current manufacturing or distribution authorizations, as well as its ability to provide regulatory support such as DMFs or CEPs for specific markets.