Quinine sulfate

Quinine sulfate (CAS 804-63-7 ) is the sulfate salt form of quinine, also marketed as quinine sulphate, used primarily in pharmaceutical manufacturing and analytical research. Supplied as a stable, water-soluble solid, it offers reliable handling and consistent purity for regulated production environments.

In pharmaceutical manufacturing, this compound serves as the active ingredient in oral dosage forms targeting nocturnal leg cramps and malaria treatment in regulated markets. Analytical and QC laboratories use it as a fluorescence standard for calibrating spectrophotometers.

The material is essential for validating UV detection systems, given its well-characterized emission profile. In the food and beverage industry, it functions as a bittering agent in tonic waters and carbonated drinks under FEMA 2977 .

Precise dosing is required to meet regulatory bitterness thresholds in commercial beverage production. Biotechnology researchers also use it in cell biology assays and as a reference compound in pharmacokinetic studies for drug development.

Quinine sulfate is available as a white to off-white crystalline powder in both anhydrous and dihydrate forms. Standard grades include USP , BP , and Ph. Eur. , supporting use in GMP-regulated pharmaceutical production.

Research and reagent-grade material is also available for laboratory and analytical applications. These high-purity options ensure consistent results across various industrial and scientific workflows while meeting strict international quality benchmarks.

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