Description

α-Biotol CAS NO 19902-26-2 is a high-purity, synthetic organic compound of significant interest in advanced chemical synthesis and life science research. This material serves as a crucial chiral building block and intermediate for the production of complex molecules, offering precise stereochemical control. It is primarily utilized by the pharmaceutical, agrochemical, and fine chemical industries for developing active ingredients and novel materials.

Application

• Pharmaceutical Intermediate: A key chiral synthon in the synthesis of active pharmaceutical ingredients (APIs), particularly for drugs targeting metabolic and neurological pathways.
• Agrochemical Synthesis: Used in the research and development of advanced pesticides and herbicides, where its specific stereochemistry can influence biological activity.
• Fine Chemical Production: Serves as a versatile building block for creating specialty chemicals, flavors, and fragrances requiring high enantiomeric purity.
• Biochemical Research: Employed as a standard or reagent in enzymatic studies and metabolic pathway analysis within academic and industrial R&D laboratories.
• Material Science: Investigated for the development of chiral polymers and liquid crystals with unique optical properties.

Basic Information

Item	Details
Product Name	α-Biotol
CAS No.	19902-26-2
Molecular Formula	C10H20O2S
Molecular Weight	204.33 g/mol
Synonyms	(R)-α-Lipoic Acid; (R)-(+)-α-Lipoic Acid; (R)-Thioctic Acid; (R)-1,2-Dithiolane-3-pentanoic Acid; (R)-5-(1,2-Dithiolan-3-yl)pentanoic Acid; R-ALA; RLA; Tiotic Acid
EINECS	243-395-1

Quality Control

Our α-Biotol is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including chiral purity determination by HPLC, to ensure it meets the high standards required for pharmaceutical and research applications. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming identity, purity, and conformance to agreed specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and should be handled under dry conditions to prevent degradation.

Specification

Item	Specification
Appearance	Yellow to light yellow crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.5%
Enantiomeric Purity (Chiral HPLC)	≥ 99.0% (R-isomer)
Melting Point	46 - 49 °C
Specific Rotation [α]20/D	+ 47° to + 52° (c=1, in ethanol)
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.