Description

5B-Pregnane-3A-17A-20B-Triol*Crystalline is a high-purity, crystalline steroid derivative of significant interest in advanced pharmaceutical research and development. This compound serves as a crucial intermediate or reference standard for the synthesis and analytical characterization of more complex steroid hormones and their metabolites. It is primarily sought after by research institutions and pharmaceutical companies engaged in steroid chemistry, metabolic pathway studies, and the development of novel therapeutic agents. The crystalline form ensures consistent purity and stability, which are paramount for reliable experimental and manufacturing outcomes.

Application

• Pharmaceutical Intermediate: A key building block in the multi-step synthesis of complex steroid-based active pharmaceutical ingredients (APIs).
• Analytical Reference Standard: Used in High-Performance Liquid Chromatography (HPLC), Gas Chromatography (GC), and Mass Spectrometry (MS) for the qualitative and quantitative analysis of steroid metabolites in biological samples.
• Biochemical Research: Employed in studies investigating steroid hormone biosynthesis, metabolism, and enzymatic conversion pathways.
• Metabolite Standard: Serves as an authentic standard for identifying and quantifying specific pregnane triol metabolites in clinical and diagnostic research.
• Process Development & Validation: Utilized in the development and validation of manufacturing processes for steroid drugs to ensure consistency and regulatory compliance.

Basic Information

Product Name	5B-Pregnane-3A-17A-20B-Triol*Crystalline
CAS No.	1165-28-2
Molecular Formula	C21H36O3
Molecular Weight	336.51 g/mol
Synonyms	5β-Pregnane-3α,17α,20β-triol; (3α,5β,17α,20β)-Pregnane-3,17,20-triol; 3α,17α,20β-Trihydroxy-5β-pregnane; 20β-Hydroxy-5β-pregnane-3α,17α-diol; Pregnane-3α,17α,20β-triol (5β-); Allopregnanetriol
EINECS	Contact for details

Quality Control

Our 5B-Pregnane-3A-17A-20B-Triol*Crystalline is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity, IR and NMR for structural confirmation, and specific tests for residual solvents and related substances. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all critical quality attributes to support your regulatory and research requirements.

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); ensure the container is sealed after each use to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Specific Rotation	Contact for details
Heavy Metals	≤ 20 ppm

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