Description

5A-Pregnan-21-Ol-3-20-Dione Crystalline is a high-purity steroid derivative, also known as 21-Hydroxy-5α-pregnane-3,20-dione, serving as a critical intermediate in advanced pharmaceutical synthesis. This compound is valued for its defined crystalline structure, which ensures batch-to-batch consistency and reliable performance in sensitive chemical processes. It is primarily utilized by research institutions and manufacturers in the pharmaceutical and fine chemical sectors for the development of steroid-based APIs and other bioactive molecules.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of steroidal active pharmaceutical ingredients (APIs) and hormones.
• Biochemical Research: Used as a reference standard or precursor in metabolic pathway studies and steroid biochemistry research.
• Fine Chemical Synthesis: Serves as a starting material for the production of more complex steroid derivatives and specialty chemicals.
• Reference Standard: Employed in analytical laboratories for method development, calibration, and quality control testing of related compounds.

Basic Information

Product Name	5A-Pregnan-21-Ol-3-20-Dione Crystalline
CAS No.	298-36-2
Molecular Formula	C21H32O3
Molecular Weight	332.48 g/mol
Synonyms	21-Hydroxy-5α-pregnane-3,20-dione; 5α-Pregnane-21-ol-3,20-dione; 21-Hydroxy-5α-pregnan-3,20-dione; 5α-Pregnan-21-ol-3,20-dione; 3,20-Diketo-5α-pregnan-21-ol; 21-Hydroxydihydroprogesterone; NSC 17256
EINECS	Contact for details

Quality Control

Our 5A-Pregnan-21-Ol-3-20-Dione Crystalline is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including identity confirmation, purity assay, and impurity profiling, to ensure it meets the stringent requirements for pharmaceutical intermediates. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and compliance.

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 away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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