Description

[2R[2R*(4R*,8R*)]]-3,4-Dihydro-2,5,8-Trimethyl-2-(4,8,12-Trimethyltridecyl)-2H-Benzopyran-6-Ol is a high-purity, stereochemically defined tocopherol derivative, a key member of the vitamin E family. This compound is critical for its potent antioxidant properties, which are essential for protecting sensitive materials from oxidative degradation. It is primarily sought after by manufacturers in the pharmaceutical, nutraceutical, and high-end cosmetic industries for formulating stable, bioactive products.

Application

• Pharmaceutical Intermediates: Used in the synthesis of specialized vitamin E analogs and other active pharmaceutical ingredients (APIs).
• Nutraceutical Formulations: Serves as a premium-grade antioxidant in dietary supplements and functional food products.
• Cosmetic & Personal Care: Incorporated into anti-aging serums, creams, and lotions for its skin-protective and stabilizing effects.
• Research & Development: A valuable reference standard and building block in biochemical and pharmacological research.
• Animal Feed Additives: Used in premium feed formulations to enhance nutritional value and shelf life.
• Polymer Stabilization: Acts as an antioxidant additive in specialty plastics and elastomers to prevent oxidative chain scission.

Basic Information

Product Name	[2R[2R*(4R*,8R*)]]-3,4-Dihydro-2,5,8-Trimethyl-2-(4,8,12-Trimethyltridecyl)-2H-Benzopyran-6-Ol
CAS No.	16698-35-4
Molecular Formula	C29H50O2
Molecular Weight	430.71 g/mol
Synonyms	d-α-Tocopherol; (2R,4'R,8'R)-α-Tocopherol; Vitamin E (d-alpha form); 5,7,8-Trimethyltocol; (R,R,R)-α-Tocopherol; 2,5,7,8-Tetramethyl-2-(4,8,12-trimethyltridecyl)-6-chromanol; all-rac-α-Tocopherol (stereoisomer); E307
EINECS	240-749-1

Quality Control

Our [2R[2R*(4R*,8R*)]]-3,4-Dihydro-2,5,8-Trimethyl-2-(4,8,12-Trimethyltridecyl)-2H-Benzopyran-6-Ol is produced under strict quality management systems. Each batch is tested to ensure it meets stringent specifications for identity, purity, and stereochemical composition. Certificates of Analysis (COA) detailing results from HPLC, optical rotation, and spectroscopic analyses are provided and can be tailored to meet specific pharmacopeial (e.g., USP, Ph. Eur.) or customer requirements.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen) at controlled room temperature (15-25°C) to minimize oxidation. Keep the container in a cool, dry, and well-ventilated area, away from heat and incompatible materials.

Specification

Item	Specification
Appearance	Clear, viscous, pale yellow to yellow-brown oil
Identification (IR)	Conforms to reference spectrum
Identification (Optical Rotation)	[α]20/D: +0.20° to +0.30° (c=1 in Ethanol)
Assay (HPLC)	≥ 96.0% (as d-α-Tocopherol)
Related Substances (HPLC)	Total impurities ≤ 4.0%
Heavy Metals	≤ 10 ppm

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