Pyridine-2-aldoxime methochloride
Pyridine-2-aldoxime methochloride (CAS: 51-15-0; Formula: C7H9N2O · Cl; Molar Mass: 172.61 g/mol) is a chemical reagent with significant applications in biochemical and enzymatic research. Primarily utilised as a cholinesterase reactivator, it plays a crucial role in studies involving organophosphate detection and enzyme inhibition. Its properties make it a valuable tool in laboratory settings for investigating enzymatic mechanisms and developing related analytical methods.
- IUPAC
- 2-PAM chloride,Pralidoxime chloride
- Synonyms
- 2-PAM chloridePralidoxime chloride

Cholinesterase Reactivation
Pyridine-2-aldoxime methochloride is employed as an oxime-based reactivator of cholinesterase. This is particularly relevant in contexts involving organophosphate poisoning research and the development of diagnostic assays.
Enzyme Inhibition Studies
This compound serves as an enzyme inhibitor, useful for researchers studying the mechanisms of enzyme action and for the development of novel enzyme inhibitors.
Biochemical Reagent
As a biochemical reagent, it is used in various laboratory analyses and research concerning enzyme kinetics and substrate analogs.
Organophosphate Detection
Its ability to interact with inhibited cholinesterase makes it a component in the detection and study of organophosphate compounds.
| Molecular weight | 172.61 |
|---|---|
| Empirical formula | C7H9N2O · Cl |
| Melting point | 230 °C(lit.) |

Hazard statements
- H302Harmful if swallowed
- H312Harmful in contact with skin
- H332Harmful if inhaled
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 1 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 20/21/22 |
| Safety statements (S) | 36 |
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 Pyridine-2-aldoxime methochloride used for?
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Pyridine-2-aldoxime methochloride is primarily used as a cholinesterase reactivator, for studies involving organophosphate detection, and as an enzyme inhibitor in biochemical research.
What is the CAS number and chemical formula for Pyridine-2-aldoxime methochloride?
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The CAS number is 51-15-0, and the chemical formula is C7H9N2O · Cl.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Pyridine-2-aldoxime methochloride. The specific grade and purity are available upon request, and we do not represent this product as USP, BP, or EP grade unless explicitly stated.
What are the safety considerations for handling Pyridine-2-aldoxime methochloride?
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Pyridine-2-aldoxime methochloride is classified as harmful if swallowed, in contact with skin, or if inhaled (H302-H312-H332). Appropriate personal protective equipment, including a dust mask type N95, eyeshields, and gloves, should be used. Handle with caution in a well-ventilated area.
How is Pyridine-2-aldoxime methochloride packed, shipped, and exported?
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We offer secure packaging suitable for fine chemicals, adhering to international shipping regulations. Tech Serve Solutions is a global supplier and exporter, ensuring reliable delivery worldwide.
How can I request a quote or sample for Pyridine-2-aldoxime methochloride?
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To request a quote or a sample, please contact our sales team through our website or by phone, providing the product name and CAS number (51-15-0).
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