Description

5-Pregnene-3B,17A,20B-Triol is a high-purity steroid intermediate, also known as 5-Pregnenetriol, with the CAS registry number 2204-13-9. This compound serves as a critical building block in the synthesis of more complex steroid hormones and active pharmaceutical ingredients (APIs). It is essential for pharmaceutical R&D laboratories and manufacturers specializing in steroid-based therapeutics, diagnostic agents, and fine chemical synthesis.

Application

• Pharmaceutical Intermediate: Key starting material or intermediate in the synthesis of corticosteroids, progestogens, and other steroid-based APIs.
• Research & Development: Used in biochemical research to study steroid metabolism, enzyme pathways, and receptor interactions.
• Reference Standard: Serves as a certified reference material (CRM) or analytical standard for quality control and method validation in pharmaceutical analysis.
• Fine Chemical Synthesis: Employed in custom synthesis and the production of specialized steroid derivatives for various industrial applications.

Basic Information

Product Name	5-Pregnene-3B,17A,20B-Triol
CAS No.	2204-13-9
Molecular Formula	C21H34O3
Molecular Weight	334.49 g/mol
Synonyms	5-Pregnenetriol; 3β,17α,20β-Trihydroxypregn-5-ene; 20β-Hydroxypregnenolone; Pregnenetriol; (3β,17α,20β)-Pregn-5-ene-3,17,20-triol; 17α,20β-Dihydroxypregn-5-en-3β-ol
EINECS	Contact for details

Quality Control

Our 5-Pregnene-3B,17A,20B-Triol is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation (IR, NMR), to ensure it meets the stringent requirements for pharmaceutical intermediates and research chemicals. A detailed Certificate of Analysis (COA) is provided with every shipment, guaranteeing traceability and consistent batch-to-batch quality.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at controlled room temperature (15-25°C). The product is light-sensitive and should be handled accordingly to maintain stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Related Substances (HPLC)	Total impurities ≤ 2.0%

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