Description

(22R)-3β,22-Dihydroxy-7-Oxostigmasta-5,24(28)-Dien-29-Oic Acid δ-Lactone CAS NO 32212-69-4 is a high-purity, complex steroidal lactone compound of significant interest in advanced research and development. This specialized intermediate is valued for its unique molecular scaffold, which serves as a critical building block for the synthesis of novel bioactive molecules. It is primarily sought by pharmaceutical R&D laboratories, agrochemical innovators, and academic institutions focused on steroid chemistry, medicinal chemistry, and natural product synthesis.

Application

• Pharmaceutical Intermediate: Serves as a key chiral precursor in the research and development of new therapeutic agents, particularly in steroid-based drug discovery.
• Medicinal Chemistry Research: Used as a core scaffold for structure-activity relationship (SAR) studies to develop compounds with targeted biological activity.
• Reference Standard: Employed as an analytical standard in HPLC, LC-MS, and NMR for the identification and quantification of related steroidal compounds in complex matrices.
• Natural Product Synthesis: Acts as a sophisticated starting material or intermediate in the total or semi-synthesis of complex natural products and their analogs.
• Biochemical Research: Utilized in studies investigating enzyme interactions, receptor binding, and other biochemical pathways involving steroidal structures.
• Agrochemical Development: Explored as an intermediate for creating novel plant growth regulators or bioactive agents with specific modes of action.

Basic Information

Product Name	(22R)-3β,22-Dihydroxy-7-Oxostigmasta-5,24(28)-Dien-29-Oic Acid δ-Lactone
CAS No.	32212-69-4
Molecular Formula	C29H40O5
Molecular Weight	468.63 g/mol
Synonyms	7-Oxostigmasta-5,24(28)-dien-29-oic acid, 3,22-dihydroxy-, δ-lactone, (3β,22R)-; (22R)-3β,22-Dihydroxy-7-oxostigmasta-5,24(28)-dien-29-oic acid δ-lactone; 3β,22R-Dihydroxy-7-oxostigmasta-5,24(28)-dien-29-oic acid δ-lactone; Stigmastane lactone derivative; NSC 339524; A steroidal 7-oxo-δ-lactone.
EINECS	Contact for details

Quality Control

Every batch of (22R)-3β,22-Dihydroxy-7-Oxostigmasta-5,24(28)-Dien-29-Oic Acid δ-Lactone is manufactured and analyzed under a strict quality management system. Our products undergo rigorous identity, purity, and impurity profile testing using advanced analytical techniques including HPLC, GC, NMR, and MS to ensure compliance with research-grade specifications. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with each shipment to guarantee traceability and batch-to-batch consistency for your critical research applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). The product is light-sensitive and should be handled under appropriate conditions to maintain stability. For long-term storage, consider inert atmosphere packaging to prevent potential oxidation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (HPLC)	Conforms to reference standard
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm
Specific Rotation	Contact for details

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