Description

(S)-(+)-Norepinephrine L-Bitartrate CAS NO 636-88-4 is the L-bitartrate salt of the (S)-(+)-enantiomer of norepinephrine, a key catecholamine neurotransmitter and hormone. This high-purity chiral compound is essential for research and development where stereochemical specificity is critical, ensuring reliable and reproducible biological activity. It is primarily utilized by pharmaceutical researchers, analytical laboratories, and fine chemical manufacturers working on neurological, cardiovascular, and adrenergic receptor studies.

Application

• Pharmaceutical Reference Standard: Serves as a certified standard for quality control and assay development in drug manufacturing.
• Biochemical Research: Used in studies of adrenergic receptors, neurotransmitter release, and sympathetic nervous system function.
• In-vitro Diagnostics (IVD): A critical component in diagnostic kits for measuring catecholamine levels in clinical samples.
• Metabolic Pathway Analysis: Employed in research investigating catecholamine synthesis, metabolism, and related disorders.
• Cell Signaling Studies: Applied in pharmacological experiments to study cellular responses mediated by alpha and β-adrenergic receptors.
• Fine Chemical Synthesis: Acts as a chiral building block or intermediate in the synthesis of more complex pharmaceutical agents.

Basic Information

Product Name	(S)-(+)-Norepinephrine L-Bitartrate
CAS No.	636-88-4
Molecular Formula	C12H17NO9
Molecular Weight	319.27 g/mol
Synonyms	(S)-(-)-Noradrenaline L-bitartrate; (S)-(-)-Norepinephrine L-bitartrate; L-Norepinephrine bitartrate; (-)-Norepinephrine bitartrate; Levarterenol bitartrate; (R)-4-(2-Amino-1-hydroxyethyl)benzene-1,2-diol (2R,3R)-2,3-dihydroxybutanedioate; Noradrenaline acid tartrate; Arterenol bitartrate
EINECS	211-275-8

Quality Control

Our (S)-(+)-Norepinephrine L-Bitartrate is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including chiral purity verification by HPLC, to ensure it meets stringent specifications for research and pharmaceutical applications. A Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to guarantee traceability and batch-to-batch consistency.

Storage

Preserve in a tightly closed container, protected from light. Store at 2-8°C in a dry, cool place. This material is hygroscopic (moisture-sensitive) and easily oxidized; for long-term storage, consider under an inert atmosphere.

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% (on anhydrous basis)
Chiral Purity (Enantiomeric Excess)	≥99.0%
Water Content (KF)	≤1.0%
Residue on Ignition	≤0.1%
Heavy Metals	≤20 ppm

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