Last updated: April 23, 2026
Who supplies loratadine and pseudoephedrine sulfate?
Loratadine and pseudoephedrine sulfate are supplied through two distinct sourcing channels: (1) API manufacturers for the active ingredient and (2) regulated intermediates and specialty chemicals for pseudoephedrine-related supply. Below is an actionable supplier map by material, with commercial-grade production players and regulated supply roles aligned to typical industry procurement.
Loratadine: Who supplies the API?
API supplier groups
Loratadine is a mature, widely produced antihistamine API. Supply typically comes from large-scale China-based and India-based API manufacturers, plus niche specialty producers that package or sell technical-grade API.
Documented API manufacturers (common market participants)
The following companies are repeatedly active across loratadine API production and global supply:
- Zhejiang Hisun Pharmaceutical Co., Ltd. (Hisun)
- Hetero Drugs Limited (India)
- Sun Pharmaceutical Industries Ltd. (India)
- Zhejiang Tianyu Pharmaceutical Co., Ltd.
- Luye Pharma Group (China)
These suppliers generally sell loratadine under standard pharmaceutical API specifications (assay, impurities, residual solvents, polymorph/crystal form control where applicable).
Pseudoephedrine sulfate: Who supplies the API?
Regulatory reality
Pseudoephedrine sulfate supply is constrained by precursor controls and national diversion rules because pseudoephedrine is a regulated precursor used for illicit synthesis in some jurisdictions. Procurement normally runs through:
- licensed API manufacturers (sale of pseudoephedrine sulfate or pseudoephedrine base)
- licensed intermediate producers (pseudoephedrine-related chemistry upstream)
- compliant distributors holding jurisdiction-specific permissions
Documented regulated-market suppliers
The following companies are active participants in pseudoephedrine API supply and related regulated sourcing:
- Zhejiang Jingxin Pharmaceutical Co., Ltd. (China)
- Hubei Xinyu Pharmaceutical Co., Ltd. (China)
- Hikma/Teva-linked procurement networks (through licensed channels; pseudoephedrine API typically sourced via contract manufacturing and licensed distribution)
- Aesica / CDMO networks (manufacturing and regulated distribution partnerships for OTC and cold-allergy actives)
In practice, most buyers source pseudoephedrine sulfate through a vendor that can provide regulatory documentation for the destination market (including precursor-use controls and traceability).
How buyers typically structure procurement
What you buy
- Loratadine: loratadine API (often packed in fiber drums or multi-layer packaging under GMP)
- Pseudoephedrine sulfate: pseudoephedrine sulfate API (or pseudoephedrine base converted downstream by the purchaser’s sulfate-formulation step)
What you demand at PO stage
- GMP status and relevant certificates (site manufacturing authorization, GMP compliance)
- CoA and specification pack (assay range, impurity profile, water content, residual solvents if applicable)
- Regulatory dossier readiness (DMF/ASMF availability where used)
- For pseudoephedrine: proof of licensure, precursor documentation support, and shipment traceability
Supplier shortlists by risk and qualification path
Best for fast qualification (loratadine)
- Multi-site API producers with history of exporting loratadine at scale
- Hisun
- Hetero
- Sun Pharma
- Luye
Best for compliance-first sourcing (pseudoephedrine sulfate)
- Vendors with direct regulatory licensure capability and established precursor traceability
- Jingxin
- Xinyu
- Licensed distributor networks tied to major generics and OTC formulators
Key Takeaways
- Loratadine supply is broad and stable; procurement is dominated by established API manufacturers with documented export capacity.
- Pseudoephedrine sulfate supply is constrained by precursor regulation; buyers typically need vendors with licensure, traceability support, and documentation maturity.
- For strategic procurement, shortlisting should separate qualification tracks: general GMP qualification for loratadine versus compliance and precursor controls for pseudoephedrine sulfate.
FAQs
1) Can a single supplier provide both loratadine and pseudoephedrine sulfate?
Yes, but it is uncommon. Loratadine is widely produced; pseudoephedrine sulfate often requires different licensure and supply-chain controls, so most firms source each material from different qualified vendors.
2) Is pseudoephedrine sulfate usually manufactured from pseudoephedrine base by suppliers or by formulators?
Both exist. Many suppliers sell pseudoephedrine sulfate directly; some formulators purchase pseudoephedrine base and convert to the sulfate form in their own processing chain.
3) What documentation matters most for pseudoephedrine sulfate procurement?
Site licensure, precursor-use and shipment traceability documentation, and CoA/specification plus regulatory support for the destination market.
4) Do buyers qualify APIs via DMF/ASMF or by direct CoA plus audit?
Both routes are used. Mature actives like loratadine often allow CoA plus audit qualification; pseudoephedrine sulfate more often needs dossier-aligned compliance documentation.
5) Are there alternative suppliers outside the common China/India API footprint?
Yes, through licensed distributor networks and contract manufacturing arrangements, but direct API manufacturing outside the dominant footprints is less common and depends on jurisdiction and licensure.
References
[1] FDA, Drug Master Files (DMF) guidance and overview. U.S. Food and Drug Administration. https://www.fda.gov/drugs/drug-master-files-dmfs
[2] DEA, Diversion Control Division, List I Chemicals (includes pseudoephedrine-related controls). U.S. Drug Enforcement Administration. https://www.deadiversion.usdoj.gov/
[3] EMA, GMP and API manufacturing expectations (EudraLex, Volume 4). European Medicines Agency. https://www.ema.europa.eu/en/human-regulatory/research-development/guidelines
[4] WHO, WHO Certification Scheme on the Quality of Pharmaceutical Products Moving in International Commerce. World Health Organization. https://www.who.int/teams/regulation-prequalification/effective-medicines/quality-assurance/swissmedic/who-certification-scheme
