Description

(25R)-Spirost-5-Ene-2α,3β-Diol CAS NO 511-97-7 is a high-purity steroidal sapogenin derivative, a key intermediate in the synthesis of various bioactive steroid compounds. Its defined stereochemistry and purity are critical for ensuring the efficacy and consistency of downstream pharmaceutical and research products. This compound is essential for manufacturers and research institutions in the pharmaceutical, nutraceutical, and fine chemical sectors seeking reliable, high-quality raw materials for steroid synthesis.

Application

• Pharmaceutical Intermediate: A crucial starting material for the semi-synthesis of steroidal drugs, including corticosteroids, sex hormones, and diuretic agents.
• Research & Development: Used in academic and industrial laboratories for studying steroid biosynthesis, metabolism, and for developing novel therapeutic agents.
• Nutraceutical Precursor: Serves as a building block in the production of certain plant-derived sterol and sterolin supplements.
• Fine Chemical Synthesis: Employed in custom synthesis and contract manufacturing for creating specialized steroid analogs and reference standards.
• Biochemical Studies: Utilized as a standard or reagent in enzymatic assays and metabolic pathway analysis related to steroid chemistry.

Basic Information

Product Name	(25R)-Spirost-5-Ene-2α,3β-Diol
CAS No.	511-97-7
Molecular Formula	C27H42O4
Molecular Weight	430.62 g/mol
Synonyms	Diosgenin; (25R)-Spirost-5-en-3β-ol; Nitogenin; Dioscorea Sapogenin; (3β,25R)-Spirost-5-en-3-ol; Smilagenin; 511-97-7; Diosgenin (principal synonym)
EINECS	208-134-8

Quality Control

Our (25R)-Spirost-5-Ene-2α,3β-Diol is produced under a strict quality management system. Each batch is tested to ensure it meets high-purity standards suitable for pharmaceutical intermediate and research applications. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to guarantee traceability and batch-to-batch consistency.

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
Assay (HPLC)	≥ 98.0%
Melting Point	204°C - 210°C
Specific Rotation	-129° to -135° (c=1 in CHCl3)
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.