Description

Dl-Noradrenaline CAS NO 138-65-8 is a synthetic racemic mixture of the critical neurotransmitter and hormone norepinephrine. This compound is essential for research and development in the life sciences, serving as a key reference standard and active pharmaceutical ingredient (API) intermediate. It is primarily utilized by pharmaceutical manufacturers, analytical laboratories, and academic research institutions for neurological, cardiovascular, and biochemical studies.

Application

• Pharmaceutical Research & Development: As a primary reference standard for analytical method development and validation in HPLC, LC-MS, and other chromatographic techniques.
• Active Pharmaceutical Ingredient (API) Synthesis: Serves as a crucial chiral intermediate or starting material in the synthesis of advanced adrenergic drugs and related compounds.
• Biochemical & Pharmacological Studies: Used in receptor binding assays, enzyme studies, and cell-based experiments to investigate adrenergic system function and signaling pathways.
• Diagnostic Reagent Manufacturing: A key component in the formulation of diagnostic kits and reagents for clinical chemistry and in-vitro diagnostics (IVD).
• Academic & Institutional Research: Fundamental tool for neuroscience, physiology, and medicinal chemistry research in university and government laboratories.
• Quality Control & Assurance: Employed as a system suitability standard and for impurity profiling in the quality control of pharmaceutical products containing adrenergic agents.

Basic Information

Product Name	Dl-Noradrenaline
CAS No.	138-65-8
Molecular Formula	C8H11NO3
Molecular Weight	169.18 g/mol
Synonyms	DL-Norepinephrine; (±)-Norepinephrine; DL-Arterenol; (±)-Noradrenaline; DL-2-Amino-1-(3,4-dihydroxyphenyl)ethanol; DL-4-(2-Amino-1-hydroxyethyl)-1,2-benzenediol; DL-β-(3,4-Dihydroxyphenyl)-β-hydroxyethylamine; Racemic Noradrenaline
EINECS	205-350-6

Quality Control

Our Dl-Noradrenaline is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency, meeting the stringent requirements for research and pharmaceutical applications. Certificates of Analysis (COA) detailing specifications such as assay, chiral purity, and related substances are provided and traceable to primary reference standards.

Storage

Preserve in a tightly closed container, protected from light. Store at controlled room temperature (15-25°C) or as specified on the label. Due to its sensitivity to oxidation, the product should be handled under an inert atmosphere for long-term storage of bulk quantities. Keep the container tightly sealed in a dry environment.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥ 98.0%
Chiral Purity (HPLC)	DL-Ratio: 50±2%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm
Related Substances (HPLC)	Total impurities ≤ 2.0% Any single impurity ≤ 0.5%

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