Eserine salicylate salt
Eserine salicylate salt (CAS: 57-64-7), with the molecular formula C15H21N3O2 · C7H6O3 and a molecular weight of 413.47 g/mol, is a well-established cholinesterase inhibitor. This compound plays a significant role in biochemical research as a tool for studying cholinergic systems and enzyme kinetics. Its specific interactions with acetylcholinesterase and butyrylcholinesterase make it valuable in neurochemical investigations and as a reagent in certain diagnostic assays.
- IUPAC
- Physostigmine salicylate salt

Cholinesterase Inhibition Studies
Eserine salicylate salt is widely employed in laboratory settings to inhibit acetylcholinesterase and butyrylcholinesterase. This allows researchers to investigate the physiological roles of these enzymes and their impact on neurotransmission.
Neurochemical Research
The compound serves as a critical reagent in studies focused on the central and peripheral nervous systems. Its ability to modulate cholinergic activity aids in understanding neurological processes and disorders.
Enzyme Kinetics
Eserine salicylate salt is utilised to determine kinetic parameters of cholinesterases. By observing the effects of this inhibitor, researchers can gain insights into enzyme mechanisms and substrate interactions.
Diagnostic Reagent Development
Its specific inhibitory action has led to its use in the development and validation of diagnostic tests for conditions involving cholinesterase activity.
| Molecular weight | 413.47 |
|---|---|
| Empirical formula | C15H21N3O2 · C7H6O3 |
| Assay | ≥97.0% (N) |
| Optical activity | [α]20/D −77±2°, c = 1% in ethanol |
| Melting point | 181-183 °C |

Hazard statements
- H300Fatal if swallowed
- H330Fatal if inhaled
Precautionary statements
- P260Do not breathe dust, fume, gas, mist, vapours or spray
- P264Wash thoroughly after handling
- P284Wear respiratory protection
- P301IF SWALLOWED
- 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 1544 6.1/PG 1 |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T+ |
| Risk statements (R) | 26/28 |
| Safety statements (S) | 25-45 |
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 Eserine salicylate salt used for?
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Eserine salicylate salt is primarily used as a cholinesterase inhibitor in biochemical research, neurochemical studies, enzyme kinetics, and in the development of diagnostic reagents. It aids in investigating cholinergic systems and enzyme mechanisms.
What are the CAS number and formula for Eserine salicylate salt?
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The CAS number for Eserine salicylate salt is 57-64-7, and its molecular formula is C15H21N3O2 · C7H6O3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Eserine salicylate salt with an assay of ≥97.0% (N). We do not represent this product as USP, BP, EP, or pharmacopoeia grade.
What are the safety considerations when handling Eserine salicylate salt?
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Eserine salicylate salt is classified with GHS06 symbol and 'Danger' signal word, with hazard statements H300 (Fatal if swallowed) and H330 (Fatal if inhaled). Handle with extreme caution, using appropriate personal protective equipment including eyeshields, faceshields, gloves, and a suitable respirator. Strict adherence to safety protocols is mandatory.
Is Eserine salicylate salt a controlled substance?
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The provided data does not indicate that Eserine salicylate salt is a controlled substance under international regulations. However, users should always comply with local and national regulations.
How is Eserine salicylate salt shipped?
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Eserine salicylate salt is shipped according to UN 1544, hazard class 6.1, packing group I regulations for toxic substances. TSS ensures compliant packaging and documentation for international export.
How can I request a sample or quote for Eserine salicylate salt?
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To request a sample or a quotation for Eserine salicylate salt, please contact our sales team through the website or by phone. Provide your contact details and the quantity required.
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