Description

(25R)-Spirost-4-En-3,12-Dion CAS NO 6875-60-1 is a high-purity steroidal dione compound, a key synthetic intermediate in advanced organic chemistry. This compound matters for its role as a versatile building block in the synthesis of complex bioactive molecules, offering precise stereochemistry and functional group reactivity. It is primarily needed by research institutions and pharmaceutical manufacturers engaged in the development of steroid-based drugs, novel chemical entities, and fine chemical synthesis.

Application

• Pharmaceutical Intermediate: A critical precursor in the multi-step synthesis of steroidal active pharmaceutical ingredients (APIs) and hormone analogs.
• Research & Development: Used in academic and industrial R&D labs for exploring new synthetic pathways and studying structure-activity relationships (SAR).
• Fine Chemical Synthesis: Serves as a specialized starting material for the production of high-value, complex organic compounds.
• Reference Standard: Employed as an analytical standard in quality control laboratories for method development and compound identification via HPLC, GC-MS, or NMR.

Basic Information

Product Name	(25R)-Spirost-4-En-3,12-Dion
CAS No.	6875-60-1
Molecular Formula	C27H38O4
Molecular Weight	426.59 g/mol
Synonyms	(25R)-Spirost-4-ene-3,12-dione; 12-Oxotigogenone; (25R)-12-Oxospirost-4-en-3-one; Tigogenone; (25R)-3,12-Dioxospirost-4-ene; 6875-60-1; Spirostan-3,12-dione, (25R)-
EINECS	Contact for details

Quality Control

Our (25R)-Spirost-4-En-3,12-Dion is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure it meets exacting standards for research and synthesis. A Certificate of Analysis (COA) detailing all test results is provided with each shipment and is available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (typically 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 reference spectrum
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
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.