Description

Hydroxychloroquine Sulfate is the sulfate salt form of hydroxychloroquine, a well-characterized 4-aminoquinoline compound. This active pharmaceutical ingredient (API) is critical for its antimalarial and immunomodulatory properties, offering a vital therapeutic option. It is primarily required by the pharmaceutical industry for the formulation of prescription medications. Global suppliers and manufacturers rely on consistent, high-purity material to ensure drug efficacy and safety.

Application

• Pharmaceutical API: Primary use as the active ingredient in antimalarial and autoimmune disease treatments.
• Antimalarial Drug Formulation: Manufacture of tablets and other dosage forms for the prophylaxis and treatment of malaria.
• Autoimmune Disease Therapy: Key component in medications for managing conditions such as rheumatoid arthritis and systemic lupus erythematosus (SLE).
• Research & Development: Used in biochemical and pharmacological studies to investigate mechanisms of action and potential new therapeutic applications.
• Reference Standard: Serves as a certified reference material (CRM) for quality control laboratories and regulatory testing.
• Contract Manufacturing: Supplied to CDMOs (Contract Development and Manufacturing Organizations) for generic and branded drug production.

Basic Information

Product Name	Hydroxychloroquine Sulfate
CAS No.	56881-09-5
Molecular Formula	C18H28ClN3O5S
Molecular Weight	433.95 g/mol
Synonyms	Hydroxychloroquine Sulphate; 2-[[4-[(7-Chloro-4-quinolyl)amino]pentyl](ethyl)amino]ethanol Sulfate; Plaquenil Sulfate; Oxychloroquine Sulfate; HCQ Sulfate; Ercoquin Sulfate; Quensyl Sulfate; IUPAC: 2-({4-[(7-Chloroquinolin-4-yl)amino]pentyl}(ethyl)amino)ethanol sulfate (1:1)
EINECS	Contact for details

Quality Control

Our Hydroxychloroquine Sulfate is manufactured and tested to meet stringent pharmacopeial standards, including USP and EP monographs. Every batch undergoes comprehensive analytical testing to ensure identity, potency, purity, and the control of specified impurities. A Certificate of Analysis (COA) documenting all test results against release specifications is provided with each shipment to guarantee traceability and compliance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at controlled room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and must be kept in a dry environment to prevent degradation.

Specification

Item	Specification
Appearance	White to almost white crystalline powder
Identification (IR)	Conforms to standard
Identification (HPLC)	Conforms to standard
Assay (on dried basis)	98.0% - 102.0%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm
Related Substances (HPLC)	Individual impurity: ≤ 0.5% Total impurities: ≤ 1.5%
Chloroquine	≤ 0.5%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.