Description

16-Allopregnen-3Beta-Ol-20-One is a high-purity steroid intermediate with the CAS registry number 566-61-0. This compound is a critical building block in the synthesis of more complex steroid hormones and active pharmaceutical ingredients (APIs). It is essential for research and production facilities in the pharmaceutical, biotechnology, and fine chemical sectors requiring a reliable and consistent supply of key intermediates.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of steroidal drugs, including corticosteroids, progestogens, and other hormone-based therapeutics.
• Biochemical Research: Used as a reference standard and starting material in metabolic pathway studies and steroidogenesis research.
• Fine Chemical Synthesis: Serves as a versatile chiral building block for the development of novel chemical entities and specialty compounds.
• API Development: Employed in the research, development, and scale-up manufacturing processes for new Active Pharmaceutical Ingredients.
• Reference Material: Utilized in analytical laboratories for method development, calibration, and quality control testing of related steroid products.

Basic Information

Product Name	16-Allopregnen-3Beta-Ol-20-One
CAS No.	566-61-0
Molecular Formula	C21H32O2
Molecular Weight	316.48 g/mol
Synonyms	16-Allopregnenolone; 3β-Hydroxy-5α-pregnan-20-one; 5α-Pregnane-3β-ol-20-one; Allopregnan-3β-ol-20-one; 20-Oxo-5α-pregnan-3β-ol; 5α-Pregnan-3β-ol-20-one
EINECS	209-295-9

Quality Control

Our 16-Allopregnen-3Beta-Ol-20-One is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure it meets the high standards required for pharmaceutical intermediates. Certificates of Analysis (COA) detailing all specifications are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Any single unknown impurity	≤ 0.5%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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