Description

(25S)-3β,26-Dihydroxycholest-5-Ene-16,22-Dione CAS NO 64161-55-3 is a high-purity, synthetic steroid derivative characterized by its specific hydroxyl and ketone functional groups. This compound serves as a critical advanced pharmaceutical intermediate and a valuable reference standard for analytical and research purposes. It is primarily required by pharmaceutical R&D laboratories, contract research organizations (CROs), and manufacturers of fine chemicals for the synthesis of novel therapeutic agents.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of complex steroid-based drugs and bioactive molecules.
• Reference Standard: Used for method development, calibration, and quality control in analytical chemistry (HPLC, LC-MS).
• Biochemical Research: Probe for studying steroid metabolism, enzyme inhibition, and receptor binding activities.
• Process Development: Serves as a starting material or intermediate in scaling up production processes for new chemical entities.
• Academic Research: Utilized in university and institutional labs for chemical and pharmacological studies.

Basic Information

Product Name	(25S)-3β,26-Dihydroxycholest-5-Ene-16,22-Dione
CAS No.	64161-55-3
Molecular Formula	C₂₇H₄₂O₄
Molecular Weight	430.63 g/mol
Synonyms	(25S)-3β,26-Dihydroxycholest-5-ene-16,22-dione; 16,22-Dioxo-3β,26-dihydroxycholest-5-ene; 3β,26-Dihydroxy-5-cholestene-16,22-dione; Steroid derivative 64161-55-3; Cholest-5-ene-3β,26-diol-16,22-dione, (25S)-; (25S)-16,22-Diketocholest-5-ene-3β,26-diol
EINECS	Contact for details

Quality Control

Our (25S)-3β,26-Dihydroxycholest-5-Ene-16,22-Dione is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC purity analysis, spectroscopic identification (IR, NMR), and residual solvent screening, to ensure it meets stringent specifications for research and pharmaceutical use. A detailed Certificate of Analysis (COA) 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). This product is light-sensitive and should be handled under appropriate conditions to maintain stability.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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