L-(−)-Norepinephrine (+)-bitartrate salt monohydrate
L-(−)-Norepinephrine (+)-bitartrate salt monohydrate (CAS: 108341-18-0) is a white, solid chemical compound with the formula C8H11NO3 · C4H6O6 · H2O and a molecular weight of 337.28 g/mol. This substance is primarily recognised for its role in biological systems, particularly within neuroscience and cell signalling research. It functions as a neurotransmitter and hormone, playing a critical part in the body's stress response and sympathetic nervous system activity. It is supplied by TSS with an assay of ≥99%.
- IUPAC
- L-(−)-Noradrenaline (+)-bitartrate salt monohydrate

Neuroscience Research
Utilised in studies investigating neurotransmission, adrenergic receptor function, and the physiological effects of the sympathetic nervous system. It serves as a vital tool for understanding neurological pathways and disorders.
Cell Signalling Studies
Employed as a signalling molecule in research to explore cellular responses mediated by G protein-coupled receptors (GPCRs). Its use facilitates the understanding of cellular communication mechanisms.
Adrenergic System Research
Investigates the role of adrenergic agonists in various physiological processes. This compound helps researchers elucidate the complex mechanisms of the adrenergic system.
| Molecular weight | 337.28 |
|---|---|
| Empirical formula | C8H11NO3 · C4H6O6 · H2O |
| Assay | ≥99% |
| Form | solid |
| Colour | white |
| Solubility | H2O: soluble46 mg/mL |

Hazard statements
- H300Fatal if swallowed
- H310Fatal in contact with skin
- H330Fatal if inhaled
Precautionary statements
- P260Do not breathe dust, fume, gas, mist, vapours or spray
- P264Wash thoroughly after handling
- P280Wear protective gloves, clothing and eye/face protection
- P284Wear respiratory protection
- P302IF ON SKIN
- P310Immediately call a POISON CENTER or doctor
| Protective equipment | Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges |
|---|---|
| Transport (UN / ADR) | UN 2811 6.1 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T+ |
| Risk statements (R) | 26/27/28 |
| Safety statements (S) | 22-26-36/37/39-45 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is L-(−)-Norepinephrine (+)-bitartrate salt monohydrate used for?
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L-(−)-Norepinephrine (+)-bitartrate salt monohydrate is primarily used in research settings, particularly in neuroscience, cell signalling studies, and investigations into the adrenergic system due to its role as a neurotransmitter and hormone.
What are the CAS number and chemical formula for this product?
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The CAS number is 108341-18-0 and the chemical formula is C8H11NO3 · C4H6O6 · H2O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies L-(−)-Norepinephrine (+)-bitartrate salt monohydrate with an assay of ≥99%. We do not represent this product as USP, BP, or EP grade unless explicitly stated in the specifications.
How should L-(−)-Norepinephrine (+)-bitartrate salt monohydrate be handled safely?
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This compound is classified as Danger with hazards including H300 (Fatal if swallowed), H310 (Fatal in contact with skin), and H330 (Fatal if inhaled). Strict adherence to safety protocols, including the use of full personal protective equipment such as eyeshields, gloves, and appropriate respiratory protection (type N100 or P3 filters), is essential. Consult the safety data sheet for comprehensive handling instructions.
Is L-(−)-Norepinephrine (+)-bitartrate salt monohydrate a controlled substance?
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The provided data does not indicate that L-(−)-Norepinephrine (+)-bitartrate salt monohydrate (CAS: 108341-18-0) is a controlled substance. However, users should always verify local regulations.
How is this chemical packed and exported by TSS?
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Tech Serve Solutions professionally packs and exports chemicals globally, adhering to all necessary regulations for safe transportation and international trade. Specific packaging details are confirmed at the time of order.
How can I request a quote or sample?
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To request a quote or a sample of L-(−)-Norepinephrine (+)-bitartrate salt monohydrate, please contact our sales team through the TSS website or by calling our direct line, referencing the product name and CAS number.
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