Description

5α-Cholestan-3β-Ol-D7 is a deuterium-labeled analog of cholestanol, a key sterol metabolite. This high-purity, isotopically labeled standard is essential for ensuring analytical accuracy and traceability in quantitative research. It is primarily used by researchers and quality control laboratories in the pharmaceutical, biotechnology, and diagnostic sectors for applications requiring precise internal standardization.

Application

• Internal Standard for Mass Spectrometry (MS): Used as a quantitative reference in LC-MS/MS and GC-MS analysis of sterols and related metabolites.
• Metabolic Pathway Tracing: Enables detailed studies of cholesterol biosynthesis, absorption, and metabolism in biological systems.
• Clinical Diagnostics: Facilitates the accurate measurement of cholestanol and other sterol biomarkers in serum or plasma for disease research.
• Pharmaceutical R&D: Supports drug discovery and development programs targeting lipid metabolism and related disorders.
• Biomarker Validation: Critical for the development and validation of robust analytical assays in clinical and pre-clinical studies.
• Food and Nutritional Science: Applied in research on sterol fortification, bioavailability, and metabolic fate.

Basic Information

Product Name	5α-Cholestan-3β-Ol-D7
CAS No.	84061-69-8
Molecular Formula	C27H40D7O
Molecular Weight	389.68 g/mol
Synonyms	Cholestanol-d7; 5α-Cholestan-3β-ol-d7; Dihydrocholesterol-d7; 3β-Hydroxy-5α-cholestane-d7; 5α-Cholestanol-d7; 5α-Cholestan-3β-ol (3β,5α)-d7; Coprostanol-d7 (related isomer); Isotopically Labeled Cholestanol
EINECS	Contact for details

Quality Control

Every batch of 5α-Cholestan-3β-Ol-D7 is manufactured under controlled conditions and undergoes rigorous analytical testing to ensure identity, purity, and isotopic enrichment meet the highest standards. Our quality commitment includes comprehensive characterization by NMR, MS, and HPLC. A detailed Certificate of Analysis (COA) specifying batch-specific data, including chemical purity and deuterium incorporation, is provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store at controlled room temperature (15-25°C) in a dry environment. For long-term storage, consider storing at 2-8°C.

Specification

Item	Specification
Appearance	White to off-white solid
Identification (IR)	Conforms to structure
Identification (MS)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Deuterium Incorporation (MS)	≥ 98 atom % D
Chemical Purity (NMR)	Conforms

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