Description

D(-)-Allo-Threonine is a specific stereoisomer of the amino acid threonine, distinguished by its unique spatial configuration. This compound is a crucial chiral building block and intermediate in advanced organic synthesis and pharmaceutical research. It is primarily utilized by research institutions, pharmaceutical companies, and fine chemical manufacturers for applications requiring high stereochemical purity, such as in the development of novel therapeutics, peptide synthesis, and biochemical studies.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the research and development of active pharmaceutical ingredients (APIs), especially in peptide-based drugs and enzyme inhibitors.
• Biochemical Research: Used as a standard or reagent in enzymatic studies, metabolic pathway analysis, and as a component in custom cell culture media formulations.
• Peptide Synthesis: Serves as a protected or unprotected amino acid building block in solid-phase and solution-phase peptide synthesis for research purposes.
• Asymmetric Synthesis: Employed as a chiral auxiliary or starting material in stereoselective organic synthesis to induce desired chirality in target molecules.
• Reference Standard: Used in analytical laboratories for method development, calibration, and quality control testing of related substances.
• Nutritional Science Studies: Investigated for its specific metabolic roles and effects in specialized nutritional and physiological research contexts.

Basic Information

Product Name	D(-)-Allo-Threonine
CAS No.	24830-94-2
Molecular Formula	C4H9NO3
Molecular Weight	119.12 g/mol
Synonyms	(2S,3S)-2-Amino-3-hydroxybutanoic acid; D-allo-Threonine; (2S,3S)-Threonine; D-(-)-allo-Threonine; allo-D-Threonine; (S,S)-(-)-Threonine; D-Threo-threonine; H-D-allo-Thr-OH
EINECS	Contact for details

Quality Control

Our D(-)-Allo-Threonine is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including chiral purity verification, to ensure it meets exacting standards for research and development use. A detailed Certificate of Analysis (COA) providing specific results for identity, purity, and related substances is provided with every shipment to guarantee traceability and consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed after use to prevent moisture absorption, which can affect stability and handling properties.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Chiral Purity (HPLC)	≥ 99.0% de
Specific Rotation	-28.0° to -32.0° (c=1 in H2O)
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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