Description

19-Carboxy Cholesterol is a high-purity sterol derivative featuring a carboxylic acid functional group at the C-19 position. This specific modification makes it a valuable intermediate and reference standard in advanced pharmaceutical research and fine chemical synthesis. It is primarily utilized by research institutions and manufacturers in the life sciences sector for developing novel therapeutic agents and diagnostic tools. Its defined structure is critical for studies involving cholesterol metabolism, steroid hormone biosynthesis, and the development of targeted drug delivery systems.

Application

• Pharmaceutical Intermediate: A key building block for the synthesis of novel steroid-based drugs and active pharmaceutical ingredients (APIs).
• Biochemical Research: Used as a reference standard and probe in studies of cholesterol metabolism, enzyme inhibition, and receptor binding assays.
• Diagnostic Reagent Development: Serves as a precursor for labeled compounds used in clinical diagnostics and immunoassays.
• Fine Chemical Synthesis: An important intermediate for creating specialized surfactants, liquid crystals, and other high-value sterol derivatives.
• Academic & Industrial R&D: Employed in metabolic pathway analysis and the development of new therapeutic strategies targeting lipid-related disorders.

Basic Information

Product Name	19-Carboxy Cholesterol
CAS No.	26319-96-0
Molecular Formula	C28H46O3
Molecular Weight	430.67 g/mol
Synonyms	19-Carboxycholesterol; 3β-Hydroxy-19-carboxy-5-cholestene; 19-Carboxy-5-cholesten-3β-ol; 19-Carboxy-3β-hydroxycholest-5-ene; 19-Carboxycholest-5-en-3β-ol; 19-Carboxylic Acid Cholesterol Derivative; 19-COOH Cholesterol
EINECS	Contact for details

Quality Control

Every batch of 19-Carboxy Cholesterol is manufactured under a strict quality management system and undergoes comprehensive analytical testing to ensure identity, purity, and consistency. Our products are suitable for research and development applications, with specifications tailored to meet project-specific requirements. A detailed Certificate of Analysis (COA) documenting purity, assay, and impurity profiles 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, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from strong oxidizing agents and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Specific Rotation	Contact for details

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