Description

3β-Hydroxycholest-5-En-19-Al 4-Methylbenzenesulfonate is a high-purity steroid derivative and a key synthetic intermediate in advanced organic chemistry. This compound is valued for its defined molecular structure, which is critical for research and development in pharmaceutical synthesis. It is primarily utilized by R&D chemists and process development scientists in the life sciences sector for the production of novel steroid-based therapeutics and as a reference standard in analytical studies.

Application

• Pharmaceutical Intermediate: A crucial building block in the multi-step synthesis of complex steroid-based active pharmaceutical ingredients (APIs) and drug candidates.
• Biochemical Research: Used as a precursor or substrate in metabolic pathway studies and enzymatic reaction investigations related to cholesterol and steroid hormones.
• Reference Standard: Serves as a high-purity analytical standard for method development, validation, and quality control in HPLC, GC, or LC-MS analysis within pharmaceutical and contract research organizations.
• Process Chemistry: Employed in route scouting and optimization for the scalable production of specialized steroid derivatives in pilot plants and kilo-labs.
• Academic Research: Utilized in university and institutional laboratories for fundamental studies in organic synthesis, medicinal chemistry, and steroid biochemistry.

Basic Information

Product Name	3β-Hydroxycholest-5-En-19-Al 4-Methylbenzenesulfonate
CAS No.	3865-49-4
Molecular Formula	C35H54O4S
Molecular Weight	570.87 g/mol
Synonyms	19-Oxo-3β-hydroxycholest-5-en-4-methylbenzenesulfonate; 3β-Hydroxy-19-oxocholest-5-en-4-methylbenzenesulfonate; Cholest-5-en-3β-ol-19-al 4-methylbenzenesulfonate; 19-Formyl-3β-hydroxycholest-5-ene tosylate; 19-Oxocholesterol tosylate derivative; 3865-49-4; 3β-Hydroxy-19-oxo-5-cholestene tosylate
EINECS	Contact for details

Quality Control

Our 3β-Hydroxycholest-5-En-19-Al 4-Methylbenzenesulfonate is produced under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure it meets the stringent requirements for research and synthesis. A detailed Certificate of Analysis (COA) documenting purity, physical characteristics, and test results 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 product is light-sensitive and should be handled under appropriate conditions to maintain stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Specific Rotation	Contact for details

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