Description

Alpha,Alpha,β-Trimethylphenethylammonium [R-(R*,R*)]-Hydrogen Tartrate is a high-purity chiral ammonium salt derivative, serving as a critical intermediate in advanced organic synthesis. Its value lies in providing a defined stereochemical center for the production of optically active compounds, ensuring batch-to-batch consistency and high enantiomeric purity. This product is essential for pharmaceutical R&D, agrochemical synthesis, and fine chemical manufacturing where precise molecular architecture is required.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of chiral active pharmaceutical ingredients (APIs), particularly in neurological and cardiovascular drug candidates.
• Asymmetric Catalyst Precursor: Used in the development and preparation of phase-transfer catalysts (PTCs) for enantioselective synthesis.
• Agrochemical Synthesis: Intermediate in the production of advanced, stereospecific pesticides and herbicides.
• Fine Chemical Production: Serves as a chiral template or resolving agent in the manufacture of specialty flavors, fragrances, and performance chemicals.
• Academic & Industrial Research: Valuable reagent for methodological development in organic chemistry and process chemistry optimization.
• Liquid Crystal & Advanced Material Precursor: Potential use in the synthesis of chiral dopants and organic electronic materials.

Basic Information

Item	Details
Product Name	Alpha,Alpha,β-Trimethylphenethylammonium [R-(R*,R*)]-Hydrogen Tartrate
CAS No.	2731-42-2
Molecular Formula	C15H23NO6
Molecular Weight	313.35 g/mol
Synonyms	(R)-(-)-α,α,β-Trimethylphenethylammonium Hydrogen Tartrate; (R)-(-)-N,N,β-Trimethylphenethylammonium Bitartrate; (R)-1-Phenyl-2-methylaminopropane Hydrogen Tartrate; (R)-(-)-N-Methylamphetamine Hydrogen Tartrate; Dexamphetamine intermediate; (R)-N,α-Dimethylphenethylammonium Hydrogen Tartrate; (2R)-1-Phenylpropan-2-aminium 2,3-dihydroxybutanedioate
EINECS	Contact for details

Quality Control

Our Alpha,Alpha,β-Trimethylphenethylammonium [R-(R*,R*)]-Hydrogen Tartrate is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and chiral integrity. We provide full traceability and Certificates of Analysis (COA) detailing assay, enantiomeric excess, and impurity profiles. Specifications are designed to meet the rigorous demands of pharmaceutical and fine chemical applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed after opening to prevent moisture absorption. 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%
Enantiomeric Excess (Chiral HPLC)	≥ 99.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 1.5%

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