Description

(R)-Sulfinpyrazone is a specific enantiomer of the sulfinpyrazone molecule, a compound of significant interest in advanced pharmaceutical research and development. This high-purity chiral building block is critical for creating stereospecific drug candidates and reference standards. It is primarily utilized by pharmaceutical R&D departments, analytical laboratories, and fine chemical manufacturers focused on cardiovascular and anti-inflammatory therapeutic areas.

Application

• Pharmaceutical Intermediate: A key chiral precursor in the synthesis of enantiomerically pure active pharmaceutical ingredients (APIs).
• Analytical Reference Standard: Used for method development, validation, and quality control in HPLC and chiral separation techniques.
• Metabolite Studies: Employed in pharmacokinetic and metabolic pathway research for uricosuric agents.
• Biochemical Research: Serves as a tool compound for studying enantioselective interactions with biological targets like organic anion transporters.
• Process Chemistry: Used in the development and scale-up of stereoselective synthetic routes.

Basic Information

Product Name	(R)-Sulfinpyrazone
CAS No.	159000-47-2
Molecular Formula	C23H20N2O3S
Molecular Weight	404.48 g/mol
Synonyms	(R)-1,2-Diphenyl-4-[2-(phenylsulfinyl)ethyl]pyrazolidine-3,5-dione; (R)-Enantiomer of Sulfinpyrazone; (R)-Sulfinpyrazone; (R)-G-28315; (R)-Anturan; (R)-Anturane; (R)-Enturen; (R)-Zynol
EINECS	Contact for details

Quality Control

Our (R)-Sulfinpyrazone is manufactured under strict quality management systems. Each batch is subjected to comprehensive analytical testing, including chiral purity determination by HPLC, to ensure it meets the high standards required for research and development. A detailed Certificate of Analysis (COA) specifying identity, purity, enantiomeric excess, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). The compound should be handled in a manner that minimizes exposure to moisture and air to maintain stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥ 98.0%
Enantiomeric Excess (Chiral HPLC)	≥ 99.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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