Description

A-Spinasterol CAS NO 481-18-5 is a naturally occurring phytosterol belonging to the class of tetracyclic triterpenoids, structurally related to stigmasterol. This compound is valued for its role as a key intermediate in the synthesis of bioactive steroids and as a reference standard for analytical and research purposes. It is primarily utilized by manufacturers and research institutions in the pharmaceutical, nutraceutical, and advanced chemical synthesis sectors.

Application

• Pharmaceutical Intermediate: Serves as a crucial starting material or intermediate in the synthesis of various steroid-based active pharmaceutical ingredients (APIs).
• Reference Standard: Used as a high-purity analytical standard in quality control laboratories for HPLC, GC, and TLC methods to identify and quantify spinasterol in complex matrices.
• Nutraceutical Research: Investigated for its potential biological activities and incorporated into research-grade formulations for studies on cholesterol metabolism and plant sterol benefits.
• Biochemical Research: Employed in academic and industrial R&D to study plant biochemistry, membrane fluidity, and the biological effects of specific sterols.
• Cosmetic Ingredient Development: Explored for use in advanced skincare formulations due to the stabilizing and bioactive properties of phytosterols.

Basic Information

Product Name	A-Spinasterol
CAS No.	481-18-5
Molecular Formula	C29H48O
Molecular Weight	412.70 g/mol
Synonyms	Spinasterol; α-Spinasterol; (22E,24S)-Stigmasta-7,22-dien-3β-ol; Stigmasta-7,22-dien-3-ol, (3β,22E,24S)-; 7,22-Stigmastadien-3β-ol; Chondrillasterol; δ7,22-Stigmastadien-3β-ol
EINECS	207-564-4

Quality Control

Our A-Spinasterol is produced under strict quality management systems. Each batch undergoes comprehensive analytical testing, including identification by spectroscopic methods (IR, NMR) and purity determination by HPLC, to ensure it meets stringent specifications for research and industrial use. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and compliance.

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 accordingly to maintain stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Identification (HPLC)	Retention time corresponds to reference standard
Assay (HPLC)	≥ 95.0%
Melting Point	168°C - 172°C
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%

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