Description

Preza-D3 is a high-purity chemical intermediate with the CAS registry number 219533-68-3. This compound is valued for its specific reactivity and role in the synthesis of advanced pharmaceutical and agrochemical actives. It is primarily sought by research and development teams and production chemists in the fine chemical industry. Its consistent quality and reliable supply are critical for ensuring the integrity of downstream manufacturing processes.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel active pharmaceutical ingredients (APIs), particularly in therapeutic areas requiring complex molecular architectures.
• Agrochemical Synthesis: Used in the research and production of advanced crop protection agents, including herbicides and fungicides.
• Material Science Research: Serves as a precursor or monomer in the development of specialty polymers and advanced functional materials.
• Organic Synthesis: Employed in academic and industrial laboratories for constructing complex organic molecules, leveraging its specific functional groups.
• Bioconjugation Chemistry: Potential use in the development of linker molecules for antibody-drug conjugates (ADCs) and other biopharmaceuticals.

Basic Information

Product Name	Preza-D3
CAS No.	219533-68-3
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Preza-D3; 219533-68-3; (3R,5R)-7-[2-(4-Fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)-1H-pyrrol-1-yl]-3,5-dihydroxyheptanoic acid; Rosuvastatin Impurity; Rosuvastatin Related Compound D3; (3R,5R)-7-[2-(4-Fluorophenyl)-5-(1-methylethyl)-3-phenyl-4-[(phenylamino)carbonyl]-1H-pyrrol-1-yl]-3,5-dihydroxyheptanoic acid
EINECS	Contact for details

Quality Control

Every batch of Preza-D3 is manufactured and tested under a strict quality management system. Our products undergo rigorous quality testing, including advanced chromatographic methods, to ensure compliance with industry standards and customer-specific requirements. Certificates of Analysis (COA) with detailed chromatographic purity and impurity profiles are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (typically 15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed and under dry conditions to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (HPLC)	Conforms to reference standard
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0% Any single unknown impurity ≤ 0.5%
Residual Solvents (GC)	Complies with ICH Q3C guidelines
Water Content (KF)	≤ 1.0%

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