Description

4-Pregnene-3,20-Dione-21-Oic Acid is a key steroid derivative and an important intermediate in organic synthesis. This compound matters for its role as a versatile building block in the research and development of pharmaceutical actives, particularly in the steroid hormone pathway. It is primarily needed by manufacturers and research institutions in the pharmaceutical, biotechnology, and fine chemical sectors for synthesizing more complex steroid-based molecules.

Application

• Pharmaceutical Intermediate: A critical precursor in the synthesis of corticosteroid drugs and other steroid-based pharmaceuticals.
• Biochemical Research: Used as a reference standard or starting material in metabolic pathway studies and steroid hormone research.
• Fine Chemical Synthesis: Serves as a specialized building block for creating novel steroid analogs and derivatives in organic chemistry.
• API Development: Employed in the research and process development stages for new Active Pharmaceutical Ingredients (APIs) within the steroid class.

Basic Information

Product Name	4-Pregnene-3,20-Dione-21-Oic Acid
CAS No.	2681-57-4
Molecular Formula	C22H30O4
Molecular Weight	358.47 g/mol
Synonyms	21-Hydroxyprogesterone; 21-Hydroxy-4-pregnene-3,20-dione; 21-OH-P4; 21-Hydroxypregn-4-ene-3,20-dione; 21-Hydroxyprogesterone (21-OHP); Pregn-4-ene-3,20-dione-21-oic acid; 21-Carboxyprogesterone; 21-Hydroxypregn-4-en-3,20-dione
EINECS	Contact for details

Quality Control

Our 4-Pregnene-3,20-Dione-21-Oic Acid is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets exacting standards for research and synthesis. Certificates of Analysis (COA) detailing all specifications are provided and available upon request to support your quality assurance protocols.

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 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.