Description

(3β,5β,17α)-19-Norpregnane-3,17-Diol CAS NO 31658-51-2 is a high-purity steroid derivative and a key intermediate in organic synthesis. This compound is valued for its defined stereochemistry and structural framework, which are critical for the development of more complex bioactive molecules. It is primarily utilized by research institutions and pharmaceutical companies engaged in the synthesis of novel steroid-based compounds, hormone analogs, and other fine chemicals.

Application

• Pharmaceutical Intermediate: A crucial building block in the multi-step synthesis of active pharmaceutical ingredients (APIs), particularly for steroid-based therapies.
• Research & Development: Used in academic and industrial R&D laboratories for exploring new synthetic pathways and creating novel chemical entities for biological screening.
• Reference Standard: Serves as a high-purity analytical standard for quality control and method development in pharmaceutical analysis.
• Biochemical Research: Employed in studies investigating steroid hormone metabolism, receptor interactions, and related biochemical pathways.
• Fine Chemical Synthesis: A versatile starting material for the preparation of specialized fine chemicals and advanced intermediates with specific stereochemical requirements.

Basic Information

Product Name	(3β,5β,17α)-19-Norpregnane-3,17-Diol
CAS No.	31658-51-2
Molecular Formula	C20H34O2
Molecular Weight	306.48 g/mol
Synonyms	19-Norpregnane-3β,17α-diol; 3β,17α-Dihydroxy-5β,19-norpregnane; 5β,19-Norpregnane-3β,17α-diol; 17α-Hydroxy-19-norpregnane-3β-ol; (3β,5β,17α)-19-Norpregnane-3,17-diol; 3β,17α-Dihydroxy-5β-estrane; Norpregnane diol intermediate
EINECS	Contact for details

Quality Control

Our (3β,5β,17α)-19-Norpregnane-3,17-Diol is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and spectroscopic identification (IR, NMR), to ensure it meets exacting standards for research and synthesis. Certificates of Analysis (COA) with detailed specifications are provided for 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 hygroscopic (moisture-sensitive) and should be handled in a dry environment to prevent degradation. For long-term storage, consider using desiccants.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Single Unknown Impurity (HPLC)	≤ 0.5%
Total Impurities (HPLC)	≤ 2.0%

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