Description

5B-Androstane-3Alpha,11B-Diol-17-One is a high-purity steroid derivative and key pharmaceutical intermediate. This compound is valued for its specific stereochemistry, which is critical for research and development in synthetic organic chemistry and endocrinology. It is primarily utilized by manufacturers and research institutions in the pharmaceutical, biotechnology, and fine chemical sectors for the synthesis of more complex steroid-based active pharmaceutical ingredients (APIs) and reference standards.

Application

• Pharmaceutical Intermediate: A key building block in the multi-step synthesis of specialized steroid hormones and therapeutic agents.
• Biochemical Research: Used as a reference standard or precursor in metabolic pathway studies and endocrine research.
• Fine Chemical Synthesis: Serves as a chiral starting material for the production of complex, high-value organic molecules in custom synthesis projects.
• API Development: Employed in the research and development phase of new steroid-based active pharmaceutical ingredients.
• Laboratory Reagent: Utilized in analytical and research laboratories for method development and calibration.

Basic Information

Item	Detail
Product Name	5B-Androstane-3Alpha,11B-Diol-17-One
CAS No.	3272-49-9
Molecular Formula	C19H30O3
Molecular Weight	306.44 g/mol
Synonyms	11β-Hydroxy-5β-androstane-3α,17-dione; 3α,11β-Dihydroxy-5β-androstan-17-one; 5β-Androstane-3α,11β-diol-17-one; 17-Oxo-5β-androstane-3α,11β-diol; 11β-Hydroxyetiocholane-3α,17-dione
EINECS	Contact for details

Quality Control

Our 5B-Androstane-3Alpha,11B-Diol-17-One is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure it meets exacting standards for research and synthesis. A detailed Certificate of Analysis (COA) is provided with each shipment, guaranteeing traceability and consistent quality.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). Keep the container sealed to protect the product from moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Specific Rotation	Contact for details

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