Description

(25R)-3β-Hydroxyspirost-5-En-11-One CAS NO 6877-74-3 is a high-purity steroidal sapogenin derivative, serving as a critical advanced intermediate in pharmaceutical synthesis. This compound is valued for its defined stereochemistry and functional groups, which enable precise chemical transformations. It is primarily required by research institutions and manufacturers in the pharmaceutical and fine chemical industries for the development of novel steroid-based therapeutics and reference standards.

Application

• Pharmaceutical Intermediate: A key building block for the synthesis of complex steroid-based active pharmaceutical ingredients (APIs).
• Reference Standard: Used in analytical laboratories for method development, validation, and quality control testing of related steroid compounds.
• Biochemical Research: Employed in studies investigating steroid biosynthesis, metabolism, and receptor interactions.
• Fine Chemical Synthesis: Serves as a starting material for the preparation of specialized steroidal derivatives with potential biological activity.

Basic Information

Product Name	(25R)-3β-Hydroxyspirost-5-En-11-One
CAS No.	6877-74-3
Molecular Formula	C27H40O4
Molecular Weight	428.61 g/mol
Synonyms	11-Ketotigogenin; (25R)-Spirost-5-en-3β-ol-11-one; 3β-Hydroxy-5α-spirostan-11-one; Tigogenone; 11-Oxotigogenin; Tigogenin-11-one; (25R)-3β-Hydroxy-5α-spirostan-11-one; 5α-Spirostan-3β-ol-11-one
EINECS	Contact for details

Quality Control

Our (25R)-3β-Hydroxyspirost-5-En-11-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 stringent specifications for research and synthesis use. Certificates of Analysis (COA) documenting all test results are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at controlled room temperature (15-25°C). Keep the container tightly sealed in a dry environment to maintain product integrity.

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%
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.