
USP-grade Hydroxychloroquine Sulfate (CAS 747-36-4), 99–101%, supplied wholesale by Zyntex to licensed producers. 4-Aminoquinoline API for film-coated tablets in rheumatology and malaria. CoA and SDS with every lot.
Hydroxychloroquine sulfate (C18H26ClN3O·H2SO4) is a white or almost white crystalline powder that dissolves freely in water. It also differs from Chloroquine phosphate by an additional hydroxyl group.
Pharmaceutical companies use it in film-coated tablets, typically 200 mg, for autoimmune conditions such as rheumatoid arthritis and lupus, and for malaria. Similarly, related antimalarial APIs in our range include Artesunate and Quinine Sulfate.
Notably, Zyntex supplies hydroxychloroquine sulfate from qualified API producers with lot-specific documentation, only to licensed pharmaceutical companies.
Typical uses include, for example:
💊 Tablets
API for 200 mg film-coated tablets.
🦴 Rheumatology Products
API for autoimmune indications.
🌍 Antimalarials
API for malaria products.
🔬 Generic Development
Development as well as reference material.
| Parameter | Standard Value |
|---|---|
| Product Name | Hydroxychloroquine Sulfate |
| CAS Number | 747-36-4 |
| Molecular Formula | C18H26ClN3O · H2SO4 |
| Assay / Purity | 99.0% – 101.0% (Dried Basis) |
| Appearance | White or almost white crystalline powder |
| Documents | CoA as well as SDS with every lot |
⚠️ Safety & Handling: Toxic if swallowed in larger amounts. Avoid inhalation of dust and contact, and also wear gloves, eye protection and dust protection. Store locked in tightly closed, light-resistant containers. Always consult the Safety Data Sheet (SDS), because it contains the full classification and handling instructions.
How does hydroxychloroquine differ from chloroquine?
It has an additional hydroxyl group as well as finds use more widely for autoimmune conditions.
Who can purchase this API?
Only pharmaceutical companies holding the licenses required for API purchase as well as use in their country.
How can I get a price and documents?
Prices depend on quantity, packaging and destination, so please contact us with your required volume. We then send a quotation together with the CoA and SDS.